Groove Patents (Class 257/622)
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Patent number: 12133328Abstract: A circuit board having an insulating layer containing a low-temperature sintering ceramic material and wiring. The wiring includes a thermal via having an area of 0.0025 mm2 or more in top view thereof, the thermal via is a stack of layers of tapered conductors, each having tapered end faces, and each end face of the tapered conductors are in direct contact with the insulating layer.Type: GrantFiled: May 11, 2022Date of Patent: October 29, 2024Assignee: MURATA MANUFACTURING CO., LTD.Inventor: Tomoki Kato
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Patent number: 12107030Abstract: Provided is a semiconductor device including: a laminated substrate in which a circuit layer, an insulating layer, and a metal layer are sequentially laminated. A slit is formed in the circuit layer. A recess recessed from one surface side facing the insulating layer toward the other surface side is formed in the metal layer. The recess of the metal layer has a relaxation portion at least partially overlapping the slit of the circuit layer in a planar view.Type: GrantFiled: January 23, 2022Date of Patent: October 1, 2024Assignee: FUJI ELECTRIC CO., LTD.Inventor: Sho Takano
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Patent number: 12009310Abstract: A conductive plate includes a first slit formed in the space between a first chip area and a second chip area, a second slit formed in the space between the first chip area and a terminal area, and a third slit formed in the space between the second chip area and the terminal area. The first slit is a continuous line that penetrates through the conductive plate, whereas the second and third slits are continuous lines that do not penetrate through the conductive plate.Type: GrantFiled: December 29, 2021Date of Patent: June 11, 2024Assignee: FUJI ELECTRIC CO., LTD.Inventor: Kenshi Terashima
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Patent number: 11551973Abstract: A method for manufacturing a semiconductor device includes providing an adhesive film over a first surface of a semiconductor wafer on which a semiconductor device layer and a bump electrically connected to the semiconductor device layer are formed, forming a slit in the adhesive film, fragmenting the semiconductor wafer into semiconductor chips along the slit, and connecting the bump to a wiring of a circuit board within the adhesive film.Type: GrantFiled: March 1, 2021Date of Patent: January 10, 2023Assignee: KIOXIA CORPORATIONInventors: Takanobu Ono, Keisuke Tokubuchi, Akira Tomono
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Patent number: 11502044Abstract: In a method of manufacturing a semiconductor device, a first interlayer dielectric (ILD) layer is formed over a substrate, a CMP stop layer is formed over the first ILD layer, a trench opening is formed by patterning the CMP stop layer and the first ILD layer, an underlying first process mark is formed by forming a first conductive layer in the trench opening, a lower dielectric layer is formed over the underlying first process mark, a middle dielectric layer is formed over the lower dielectric layer, an upper dielectric layer is formed over the middle dielectric layer, a planarization operation is performed on the upper, middle and lower dielectric layers so that a part of the middle dielectric layer remains over the underlying first process mark, and a second process mark by the lower dielectric layer is formed by removing the remaining part of the middle dielectric layer.Type: GrantFiled: June 30, 2021Date of Patent: November 15, 2022Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Ying-Hua Chen, Feng-Jia Shiu, Wen-Chen Lu
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Patent number: 11424123Abstract: In certain embodiments, a method of forming a semiconductor device includes forming a patterned resist layer over a hard mask layer using an extreme ultraviolet (EUV) lithography process. The hard mask layer is disposed over a substrate. The method includes patterning the hard mask layer using the patterned resist layer as an etch mask. The method includes smoothing the hard mask layer by forming, using a first atomic layer etch step, a first layer by converting a first portion of the hard mask layer, and by removing, using a second atomic layer etch step, the first layer.Type: GrantFiled: April 17, 2020Date of Patent: August 23, 2022Assignee: Tokyo Electron LimitedInventors: Eric Chih-Fang Liu, Akiteru Ko, Angelique Raley, Henan Zhang, Shan Hu, Subhadeep Kal
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Patent number: 11358858Abstract: A method of manufacturing a semiconductor device includes providing a semiconductor layer having a first-type region and a second-type region that are stacked and interface with each other to form a p-n junction, the first-type region defining a first side of the semiconductor layer and the second-type region defining a second side of the semiconductor layer. The method further includes providing an insulating layer on the second side of the semiconductor layer and etching the semiconductor layer from the first side of the semiconductor layer toward the second side of the semiconductor layer to form a trench. The first-type region corresponds to one of a n-type region and a p-type region, and the second-type region corresponds to the other of the n-type region and the p-type region.Type: GrantFiled: January 24, 2020Date of Patent: June 14, 2022Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Amir Rahafrooz, Thomas Kieran Nunan, Diego Emilio Serrano, Ijaz Jafri
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Patent number: 11315831Abstract: A method for fabricating a dual redistribution layer (RDL) interposer structure is provided. The method includes etching a semiconductor substrate to expose natural crystallographic planes to form trenches. The method also includes depositing conductive material within the trenches of the etched semiconductor substrate to form vias for an interposer structure. The method includes placing back end of line (BEOL) inter-chip wiring on a top side of the interposer structure using a first RDL. The method includes exposing the vias on a back side of the interposer structure. The method further includes forming power RDLs on a back side of the interposer structure using conductive lines in a dielectric layer.Type: GrantFiled: July 22, 2019Date of Patent: April 26, 2022Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Mukta G. Farooq, James J. Kelly
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Patent number: 11276788Abstract: An optoelectronic semiconductor chip may include a semiconductor layer sequence provided for generating and/or receiving radiation. The chip may further include a first trench structure and a second trench structure formed in the semiconductor layer sequence. A first contact finger structure may electrically conductively connect the second trench structure to a first semiconductor layer of the semiconductor layer sequence. The first contact finger structure may adjoin a first side surface and/or a second side surface of the second trench structure at least in places. A second contact finger structure may electrically conductively connect to a second semiconductor layer of the semiconductor layer sequence where the second contact finger may be arranged in the first trench structure.Type: GrantFiled: July 20, 2018Date of Patent: March 15, 2022Assignee: OSRAM OLED GMBHInventors: Fabian Kopp, Attila Molnar
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Patent number: 11251112Abstract: A dual side cooling power module includes: a lower substrate including a recessed portion on at least one surface thereof, a semiconductor chip formed in the recessed portion, lead frames formed at both ends of the lower substrate, and an upper substrate formed on the semiconductor chip, a portion of the lead frames, and the lower substrate.Type: GrantFiled: November 27, 2019Date of Patent: February 15, 2022Assignee: HYUNDAI MOBIS CO., LTD.Inventor: HanSin Cho
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Patent number: 11211466Abstract: Disclosed is a semiconductor device for improving a gate induced drain leakage and a method for fabricating the same, and the method may include forming a trench in a substrate, lining a surface of the trench with an initial gate dielectric layer, forming a gate electrode to partially fill the lined trench, forming a sacrificial material spaced apart from a top surface of the gate electrode and to selectively cover a top corner of the lined trench, removing a part of the initial gate dielectric layer of the lined trench which is exposed by the sacrificial material in order to form an air gap, and forming a capping layer to cap a side surface of the air gap, over the gate electrode.Type: GrantFiled: March 24, 2020Date of Patent: December 28, 2021Assignee: SK hynix Inc.Inventors: Se-Han Kwon, Dong-Soo Kim
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Patent number: 11198792Abstract: The present invention relates to a method for preparing a patterned polyimide coverlay on a substrate. The method includes: providing a polyimide dry film including a carrier and a non-photosensitive polyimide layer on the carrier, the non-photosensitive polyimide layer containing (i) a polyimide precursor or soluble polyimide and (ii) a solvent; forming a predetermined pattern in the polyimide dry film; laminating the patterned polyimide dry film onto a substrate in such a manner that the non-photosensitive polyimide layer faces the substrate; and forming a patterned polyimide coverlay by heating.Type: GrantFiled: July 14, 2017Date of Patent: December 14, 2021Assignee: ETERNAL MATERIALS CO., LTD.Inventors: Chung-Kai Cheng, Chung-Jen Wu, Meng-Yen Chou, Chang-Hong Ho, Po-Yu Huang, Shun-Jen Chiang
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Patent number: 11171193Abstract: A semiconductor device includes a base substrate, a first transistor disposed on the base substrate, the first transistor including a first input electrode, a first output electrode, a first control electrode, and a first semiconductor pattern including a crystalline semiconductor, a second transistor disposed on the base substrate, the second transistor including a second input electrode, a second output electrode, a second control electrode, and a second semiconductor pattern including an oxide semiconductor, a plurality of insulating layers disposed on the base substrate, and an upper electrode disposed on the first control electrode with at least one insulating layer of the plurality of insulating layers interposed between the upper electrode and the first control electrode. The upper electrode overlaps the first control electrode and forms a capacitor with the first control electrode.Type: GrantFiled: March 31, 2020Date of Patent: November 9, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kyoungseok Son, Dohyun Kwon, Jonghan Jeong, Jonghyun Choi, Eoksu Kim, Jaybum Kim, Junhyung Lim, Jihun Lim
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Patent number: 11139285Abstract: A semiconductor package includes a first package component include a first side, a second side opposite to the first side, and a plurality of recessed corners over the first side. The semiconductor package further includes a plurality of first stress buffer structures disposed at the recessed corners, and each of the first stress buffer structures has a curved surface. The semiconductor package further includes a second package component connected to the first package component and a plurality of connectors disposed between the first package component and the second package component. The connectors are electrically coupled the first package component and the second package component. The semiconductor package further includes an underfill material between the first package component and the second package component, and at least a portion of the curved surface of the first stress buffer structures is in contact with and embedded in the underfill material.Type: GrantFiled: November 20, 2019Date of Patent: October 5, 2021Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventors: Hsien-Ju Tsou, Chih-Wei Wu, Pu Wang, Ying-Ching Shih, Szu-Wei Lu, Jing-Cheng Lin
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Patent number: 11101167Abstract: A semiconductor device manufacturing method of an embodiment includes forming a first layer in a region of a first substrate excluding an outer peripheral portion thereof; forming a first semiconductor circuit above the first layer; forming a second semiconductor circuit on a second substrate; forming a second layer with a predetermined width at an outer peripheral portion of the second substrate; bonding a surface of the first substrate on a side provided with the first semiconductor circuit and a surface of the second substrate on a side provided with the second semiconductor circuit; and applying tensile stress to the first layer and the second layer to debond the first layer and the second layer, thereby forming the second substrate including the first semiconductor circuit and the second semiconductor circuit.Type: GrantFiled: September 10, 2019Date of Patent: August 24, 2021Assignee: TOSHIBA MEMORY CORPORATIONInventor: Mie Matsuo
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Patent number: 11081475Abstract: An embodiment integrated circuit structure includes a substrate, a metal pad over the substrate, a post-passivation interconnect (PPI) structure over the substrate and electronically connected to the metal pad, a first polymer layer over the PPI structure, an under bump metallurgy (UBM) extending into an opening in the first polymer layer and electronically connected to the PPI structure, and a barrier layer on a top surface of the first polymer layer adjacent to the UBM.Type: GrantFiled: February 27, 2017Date of Patent: August 3, 2021Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Jing-Cheng Lin, Jui-Pin Hung, Hsien-Wen Liu, Min-Chen Lin
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Patent number: 11069789Abstract: A method to fabricate a non-planar memory device including forming a multi-layer silicon nitride structure substantially perpendicular to a top surface of the substrate. There may be multiple non-stoichiometric silicon nitride layers, each including a different or same silicon richness value from one another.Type: GrantFiled: May 4, 2020Date of Patent: July 20, 2021Assignee: MONTEREY RESEARCH, LLCInventors: Yi Ma, Shenqing Fang, Robert Ogle
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Patent number: 10985151Abstract: The present disclosure relates to a semiconductor package and a method for preparing the same. The semiconductor package includes a lower semiconductor layer, an upper semiconductor layer, a fixturing structure, and a molding layer. The lower semiconductor layer includes an attached region and a fixturing region adjacent to the attached region. The upper semiconductor layer is disposed over the attached region. The fixturing structure is disposed adjacent to the upper semiconductor layer. The fixturing structure has at least one fixturing hole, the fixturing hole has an opening corresponding to the fixturing region, and the opening has a first width. The molding layer covers side walls of the upper semiconductor layer. The molding layer has at least one fixturing protrusion extending into the fixturing hole, the fixturing protrusion has a first expanding portion below the opening, and the first expanding portion has a second width greater than the first width.Type: GrantFiled: April 19, 2019Date of Patent: April 20, 2021Assignee: NANYA TECHNOLOGY CORPORATIONInventor: Kuo-Hui Su
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Patent number: 10957543Abstract: A method includes forming an interlayer dielectric (ILD) and a gate structure over a substrate. The gate structure is surrounded by the ILD. The gate structure is etched to form a recess. A first dielectric layer is deposited over sidewalls and a bottom of the recess and over a top surface of the ILD using a first Si-containing precursor. A second dielectric layer is deposited over and in contact with the first dielectric layer using a second Si-containing precursor different from the first Si-containing precursor. A third dielectric layer is deposited over and in contact with the second dielectric layer using the first Si-containing precursor. Portions of the first, second, and third dielectric layer over the top surface of the ILD are removed.Type: GrantFiled: June 22, 2018Date of Patent: March 23, 2021Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Yu-Yun Peng, Chung-Chi Ko, Keng-Chu Lin
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Patent number: 10937946Abstract: A semiconductor structure is provided in the present invention, including a substrate having a device region and an alignment mark region defined thereon, a dielectric layer disposed on the substrate, a conductive via formed in the dielectric layer on the device region, a first trench formed in the dielectric layer on the alignment mark, a plurality of second trenches formed in the dielectric layer directly under the first trench and exposed from a bottom surface of the first trench, and a memory stacked structure disposed on the dielectric layer, directly covering a top surface of the conductive via and filling into the first trench and the second trench.Type: GrantFiled: August 15, 2019Date of Patent: March 2, 2021Assignee: UNITED MICROELECTRONICS CORP.Inventors: Hui-Lin Wang, Chia-Chang Hsu, Rai-Min Huang
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Patent number: 10937689Abstract: In one embodiment, a trench may be formed in a dielectric surface, and the trenched may be lined with a liner. The trench may be filled with a metal, and the metal may be recessed below an opening of the trench. The liner may be converted into a dielectric, and a hard mask may be deposited into the trench.Type: GrantFiled: December 30, 2016Date of Patent: March 2, 2021Assignee: INTEL CORPORATIONInventors: Manish Chandhok, Satyarth Suri, Tristan A. Tronic, Christopher J. Jezewski, Richard E. Schenker
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Patent number: 10818584Abstract: A package substrate including a redistribution structure and a core is provided. The redistribution structure has a first redistribution surface and a bonding pad disposed on the first redistribution surface. The core is disposed on the redistribution structure and has a first core surface facing towards the first redistribution surface of the redistribution structure. The core has a first core pad disposed on the first core surface and directly bonded to the bonding pad, and the first core pad is offset from the bonding pad. A package structure is also provided.Type: GrantFiled: November 13, 2017Date of Patent: October 27, 2020Inventor: Dyi-Chung Hu
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Patent number: 10811385Abstract: A wafer-level system-in-package structure and an electronic apparatus are provided. The wafer-level system-in-package structure includes a substrate having a plurality of first chips formed therein. A first chip is formed by being grown on the substrate through a semiconductor process. The wafer-level system-in-package structure also includes an encapsulation layer having a plurality of second chips embedded therein. The encapsulation layer covers the substrate and the first chips. At least one of the plurality of second chips is electrically connected to at least one of the plurality of first chips through a conductive bump, and electrically-connected first and second chips have an overlapping portion.Type: GrantFiled: October 12, 2018Date of Patent: October 20, 2020Assignee: Ningbo Semiconductor International CorporationInventor: Mengbin Liu
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Patent number: 10804360Abstract: A semiconductor layer has a first face, a second face, and a first side face. A silicon carbide substrate has a third face facing the second face, a fourth face, and a second side face. A first electrode layer forms an interface with part of the first face. An insulation film is provided around the first electrode layer on the first face of the semiconductor layer. A second electrode layer is provided on the fourth face and extends outward of the interface between the first face and the first electrode layer in an in-plane direction. A crush layer is provided on the first side face of the semiconductor layer and on the second side face of the silicon carbide substrate. The thickness of the crush layer on the second side face is greater than the thickness of the crush layer on the first side face.Type: GrantFiled: April 4, 2018Date of Patent: October 13, 2020Assignee: MITSUBISHI ELECTRIC CORPORATIONInventor: Kazunari Nakata
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Patent number: 10790154Abstract: Methods and systems for line cut by multi-color patterning techniques are presented. In an embodiment, a method may include providing a substrate. The method may also include forming a first feature on the substrate, the first feature having a cap formed of a first material. Additionally, the method may include forming a second feature on the substrate, the second feature having a cap formed of a second material. In still a further embodiment, the method may include selectively removing the second feature using an etch process that etches the first material at a first etch rate and etches the second material at a second etch rate, wherein the second etch rate is higher than the first etch rate.Type: GrantFiled: February 6, 2019Date of Patent: September 29, 2020Assignee: Tokyo Electron LimitedInventors: Eric Chih-Fang Liu, Akiteru Ko
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Patent number: 10682523Abstract: A semiconductor device comprises a first chip bonded on a second chip. The first chip comprises a first substrate and first interconnection components formed in first IMD layers. The second chip comprises a second substrate and second interconnection components formed in second IMD layers. The device further comprises a first conductive plug formed within the first substrate and the first IMD layers, wherein the first conductive plug is coupled to a first interconnection component and a second conductive plug formed through the first substrate and the first IMD layers and formed partially through the second IMD layers, wherein the second conductive plug is coupled to a second interconnection component.Type: GrantFiled: October 8, 2018Date of Patent: June 16, 2020Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Shu-Ting Tsai, Jeng-Shyan Lin, Chun-Chieh Chuang, Dun-Nian Yaung, Jen-Cheng Liu, Feng-Chi Hung
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Patent number: 10685964Abstract: A semiconductor structure for preventing row hammering issue in DRAM cell is provided in the present invention. The structure includes a trench with a gate dielectric, an n-type work function metal layer, a TiN layer conformally formed within, and a buried word line filled in the trench.Type: GrantFiled: July 5, 2018Date of Patent: June 16, 2020Assignees: UNITED MICROELECTRONICS CORP., Fujian Jinhua Integrated Circuit Co., Ltd.Inventors: Chih-Chieh Tsai, Pin-Hong Chen, Tzu-Chieh Chen, Tsun-Min Cheng, Yi-Wei Chen, Hsin-Fu Huang, Chi-Mao Hsu, Shih-Fang Tzou
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Patent number: 10664019Abstract: This is directed to connecting two or more elements using an intermediate element constructed from a material that changes between states. An electronic device can include one or more components constructed by connecting several elements. To provide a connection having a reduced or small size or cross-section and construct a component having high tolerances, a material can be provided in a first state in which it flows between the elements before changing to a second state in which it adheres to the elements and provides a structurally sound connection. For example, a plastic can be molded between the elements. As another example, a composite material can be brazed between the elements. In some cases, internal surfaces of the elements can include one or more features for enhancing a bond between the elements and the material providing the interface between the elements.Type: GrantFiled: May 14, 2019Date of Patent: May 26, 2020Assignee: APPLE INC.Inventors: Scott A. Myers, Mattia Pascolini, Richard Hung Minh Dinh, Trent Weber, Robert Schlub, Josh Nickel, Robert Hill, Nanbo Jin, Tang Yew Tan
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Patent number: 10658252Abstract: A semiconductor structure with a stop layer for planarization process therein and a method for forming the same is disclosed. The method includes the steps of: forming a trench in a substrate and between active areas; filling the trench with isolation layer; doping the isolation layer with an element to form a doped isolation region; annealing the doped isolation region; and planarizing the annealed and doped isolation region and measuring a planarization depth thereof. The coefficients of thermal expansion (CTEs) of the stop layer, the dielectric layer, and the active area are different.Type: GrantFiled: April 22, 2019Date of Patent: May 19, 2020Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Jia-Ming Lin, Wei-Ken Lin, Shiu-Ko JangJian, Chun-Che Lin
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Patent number: 10658175Abstract: A semiconductor device and a manufacturing method therefor are provided. The semiconductor device includes a semiconductor substrate including a trench used for a source/drain region; and a SiGe seed layer formed simultaneously on the sidewall and bottom of the trench, and the SiGe seed layer on the sidewall of the trench has an uneven thickness with a maximum thickness at a location corresponding to the channel region in the semiconductor substrate. The semiconductor device and the manufacturing method therefor according to the present disclosure enable the SiGe seed layer to block diffusion of elements such as boron more effectively.Type: GrantFiled: June 10, 2013Date of Patent: May 19, 2020Assignee: Semiconductor Manufacturing International Corporation (Shanghai)Inventor: Ajin Tu
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Patent number: 10636798Abstract: A method for fabricating semiconductor device includes the steps of: providing a substrate having a memory region and a periphery region; forming a first trench and a second trench in substrate on the memory region, wherein a width of the second trench is greater than a width of the first trench; forming a first liner, a second liner, and a third liner in the first trench and the second trench; performing a surface treatment process to lower stress of the third liner; and planarizing the third liner, the second liner, and the first liner to form a first isolation structure and a second isolation structure.Type: GrantFiled: October 21, 2019Date of Patent: April 28, 2020Assignees: UNITED MICROELECTRONICS CORP., Fujian Jinhua Integrated Circuit Co., Ltd.Inventors: Yu-Shan Su, Chia-Wei Wu, Ting-Pang Chung
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Patent number: 10580656Abstract: A semiconductor wafer having a main surface is provided. A first etch resistant mask is provided on the main surface. A first reactive ion etching step that forms a first group of trenches using the first etch resistant mask is performed. Each of the trenches in the first group is covered with a second etch resistant mask after performing the first reactive ion etching step. A second reactive ion etching step that forms a second group of trenches using one or both of the first etch resistant mask and the second etch resistant mask is performed. The trenches in the second group are laterally offset from the trenches in the first group. The first and second reactive ion etching processes are performed such that a depth of the trenches of the first group is substantially equal to a depth of the trenches in the second group.Type: GrantFiled: July 6, 2018Date of Patent: March 3, 2020Assignee: Infineon Technologies AGInventors: Marija Borna Tutuc, Daniel Tutuc, Andrew Christopher Graeme Wood
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Patent number: 10546923Abstract: Some embodiments include an integrated assembly having a region of first semiconductor material. The region has an upper surface along a cross-section. The upper surface has a flat-topped peak and a concavity adjacent the flat-topped peak. A pillar of second semiconductor material is over the region and directly against the region. The pillar extends vertically from the upper surface. Some embodiments include a method of forming an integrated assembly. A construction is formed to have a semiconductor region, and to have an insulative region extending over the semiconductor region and alongside the semiconductor region. A combination of three etches is utilized to expose an upper surface of the semiconductor region and to modify the upper surface of the semiconductor region to form said upper surface to include, along a cross-section, a flat-topped peak portion and an adjacent concavity portion.Type: GrantFiled: June 20, 2019Date of Patent: January 28, 2020Assignee: Micron Technology, Inc.Inventors: Pranav P. Sharma, Vinay Nair, Sanjeev Sapra
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Patent number: 10541205Abstract: Fabrication methods for monolithic dies that integrate multiple integrated circuits, such as System-on-Chips are described. A substrate having an interconnect may be coupled via electrical terminations to the integrated circuits. Fabrication methods provide multiple electrical termination regions on a surface, with each region having geometrical properties that are appropriate for the coupled integrated circuit. Electrical terminations with different directions may be produced employing a single reactive ion etching process under conditions that enhance micro loading effects during fabrication.Type: GrantFiled: February 14, 2017Date of Patent: January 21, 2020Assignee: INTEL CORPORATIONInventors: Ning Cheng, Fangyun Richter, Andy Louie Lee
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Patent number: 10527954Abstract: A system for measuring overlay from a multi-layer overlay target for use in imaging based metrology is disclosed. The system is configured for measuring overlay from a multi-layer overly target that includes three or more target structures, wherein a first target structure is disposed in a first process layer, a second target structure is disposed in a second process layer, and at least a third target structure is disposed in at least a third process layer. The system includes an illumination source configured to illuminate the target structures of the multi-layer overlay target, a detector configured to collect light reflected from the target structures, and one or more processors configured to execute a set of program instructions to determine overlay error between two or more structures based on the collected light from the plurality of targets.Type: GrantFiled: March 19, 2018Date of Patent: January 7, 2020Assignee: KLA-Tencor CorporationInventors: Daniel Kandel, Vladimir Levinski, Guy Cohen
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Patent number: 10490556Abstract: A method for fabricating semiconductor device includes the steps of: providing a substrate having a memory region and a periphery region; forming a first trench and a second trench in substrate on the memory region, wherein a width of the second trench is greater than a width of the first trench; forming a first liner, a second liner, and a third liner in the first trench and the second trench; performing a surface treatment process to lower stress of the third liner; and planarizing the third liner, the second liner, and the first liner to form a first isolation structure and a second isolation structure.Type: GrantFiled: July 29, 2018Date of Patent: November 26, 2019Assignees: UNITED MICROELECTRONICS CORP., Fujian Jinhua Integrated Circuit Co., Ltd.Inventors: Yu-Shan Su, Chia-Wei Wu, Ting-Pang Chung
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Patent number: 10490694Abstract: A method of manufacturing a plurality of light emitting elements, the method includes: providing a semiconductor wafer; dividing the p-side nitride semiconductor layer into a plurality of demarcated element regions; forming a protective layer on regions including an outer periphery of an upper surface of the p-side nitride semiconductor layer of each of the plurality of demarcated element regions and exposed side surfaces in the semiconductor structure that are formed by the selectively removing the portion of the p-side nitride semiconductor layer; reducing a resistance of regions of the p-side nitride semiconductor layer; and dividing the semiconductor wafer into a plurality of light emitting elements.Type: GrantFiled: March 30, 2018Date of Patent: November 26, 2019Assignee: NICHIA CORPORATIONInventors: Kazuhiro Nagamine, Yoshiki Inoue, Susumu Toko, Junya Narita
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Patent number: 10446480Abstract: A through-substrate vias structure includes a substrate having opposing first and second major surfaces. One or more conductive via structures are disposed extending from the first major surface to a first vertical distance within the substrate. A recessed region extends from the second major surface to a second vertical distance within the substrate and adjoining a lower surface of the conductive via. In one embodiment, the second vertical distance is greater than the first vertical distance. A conductive region is disposed within the recessed region and is configured to be in electrical and/or thermal communication with the conductive via.Type: GrantFiled: August 10, 2018Date of Patent: October 15, 2019Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLCInventors: Michael J. Seddon, Francis J. Carney
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Patent number: 10395927Abstract: The present application relates to the field of semiconductor technologies, and discloses methods for manufacturing a semiconductor device. The manufacturing method includes: forming an etchable material layer on a substrate; forming multiple openings on the etchable material layer by means of patterning processing to determine a position of a core; etching the substrate at bottoms of the multiple openings, so that the bottoms of the multiple openings extend into the substrate; depositing a material of the core to fill the multiple openings; etching the material of the core so as to expose the etchable material layer; removing the etchable material layer to leave multiple cores; depositing spacers; over etching the spacers so as to expose the multiple cores, and etching a part of the substrate, where an etching depth of the substrate is the same as a depth to which the openings extend into the substrate; and removing the multiple cores.Type: GrantFiled: June 29, 2018Date of Patent: August 27, 2019Assignees: SEMICONDUCTOR MFG. INTL. (SHANGHAI) CORP., SEMICONDUCTOR MFG. INTL. (BEIJING) CORP.Inventor: Cheng Long Zhang
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Patent number: 10396150Abstract: Various improvements in vertical transistors, such as IGBTs, are disclosed. The improvements include forming periodic highly-doped p-type emitter dots in the top surface region of a growth substrate, followed by growing the various transistor layers, followed by grounding down the bottom surface of the substrate, followed by a wet etch of the bottom surface to expose the heavily doped p+ layer. A metal contact is then formed over the p+ layer. In another improvement, edge termination structures utilize p-dopants implanted in trenches to create deep p-regions for shaping the electric field, and shallow p-regions between the trenches for rapidly removing holes after turn-off. In another improvement, a dual buffer layer using an n-layer and distributed n+ regions improves breakdown voltage and saturation voltage. In another improvement, p-zones of different concentrations in a termination structure are formed by varying pitches of trenches. In another improvement, beveled saw streets increase breakdown voltage.Type: GrantFiled: May 16, 2017Date of Patent: August 27, 2019Assignee: MaxPower Semiconductor, Inc.Inventor: Hamza Yilmaz
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Patent number: 10389090Abstract: A method of forming a pair of edge-emitting lasers is provided. The method includes forming a mesa from a substrate, forming a cover layer on the substrate around the mesa, and forming a first barrier layer on each of opposite sidewalls of the mesa. The method further includes forming a quantum well layer on each of the barrier layers, forming a second barrier layer on each of the quantum well layers, and forming a cladding layer on each of the second barrier layers.Type: GrantFiled: November 21, 2017Date of Patent: August 20, 2019Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Effendi Leobandung, Ning Li, Tak H. Ning
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Patent number: 10381035Abstract: Methods for magnetic recording are provided. The method can include: assembling a plurality of nanoparticles into a pattern on a disc; applying a polymer composition onto the pattern of nanoparticles; curing the polymer composition to form a polymer film on the disc, wherein the plurality of nanoparticles are immobilized in the pattern within the polymer film upon curing; and removing the polymer film containing the plurality of nanoparticles in the pattern. Diffraction gratings are also provided that can include a polymeric film comprising a plurality of nanoparticles immobilized in a pattern, wherein the polymer film defines a curvature.Type: GrantFiled: April 14, 2014Date of Patent: August 13, 2019Assignee: University of South CarolinaInventors: Thomas M. Crawford, Longfei Ye, Jason Ryan Henderson
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Patent number: 10381403Abstract: A method for forming a MRAM device free of seal ring peeling defect, and the resulting device, are provided. Embodiments include forming magnetic tunnel junction (MTJ) over a metallization layer in a seal ring region of an MRAM device; forming a metal filled via connecting the MTJ and the metallization layer; forming a tunnel junction via over the MTJ; and forming a top electrode over the tunnel junction via.Type: GrantFiled: June 21, 2018Date of Patent: August 13, 2019Assignee: GLOBALFOUNDRIES SINGAPORE PTE. LTD.Inventors: Yi Jiang, Bharat Bhushan, Curtis Chun-I Hsieh, Mahesh Bhatkar, Wanbing Yi, Juan Boon Tan
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Patent number: 10374033Abstract: Some embodiments include an integrated assembly having a region of first semiconductor material. The region has an upper surface along a cross-section. The upper surface has a flat-topped peak and a concavity adjacent the flat-topped peak. A pillar of second semiconductor material is over the region and directly against the region. The pillar extends vertically from the upper surface. Some embodiments include a method of forming an integrated assembly. A construction is formed to have a semiconductor region, and to have an insulative region extending over the semiconductor region and alongside the semiconductor region. A combination of three etches is utilized to expose an upper surface of the semiconductor region and to modify the upper surface of the semiconductor region to form said upper surface to include, along a cross-section, a flat-topped peak portion and an adjacent concavity portion.Type: GrantFiled: March 8, 2018Date of Patent: August 6, 2019Assignee: Micron Technology, Inc.Inventors: Pranav P. Sharma, Vinay Nair, Sanjeev Sapra
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Patent number: 10332791Abstract: A semiconductor device includes an insulating interlayer disposed on a substrate, a first protection pattern, a first barrier pattern, a first adhesion pattern, and a first conductive pattern. The insulating interlayer includes a via hole and a first trench. The via hole extends through a lower portion of the insulating interlayer. The first trench is connected to the via hole and extends through an upper portion of the insulating interlayer. The first protection pattern covers a lower surface and sidewalls of the via hole and a portion of a lower surface and a lower sidewall of the first trench, and includes a conductive material. The first barrier pattern covers the protection pattern and an upper sidewall of the first trench. The first adhesion pattern covers the first barrier pattern. The first conductive pattern is disposed on the first adhesion pattern, and fills the via hale and the first trench.Type: GrantFiled: November 7, 2017Date of Patent: June 25, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Ho-Yun Jeon, Rak-Hwan Kim, Byung-Hee Kim, Kyoung-Hee Nam, Jong-Jin Lee, Jae-Won Hwang
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Patent number: 10325804Abstract: In accordance with an embodiment of the present invention, a method of fabricating a semiconductor device includes forming openings partially filled with a sacrificial material, where the openings extend into a semiconductor substrate from a first side. A void region is formed in a central region of the openings. An epitaxial layer is formed over the first side of the semiconductor substrate and the openings, where the epitaxial layer covers the void region. From a second side of the semiconductor substrate opposite to the first side, the semiconductor substrate is thinned to expose the sacrificial material. The sacrificial material in the openings is removed and the epitaxial layer is exposed. A conductive material is deposited on the exposed surface of the epitaxial layer.Type: GrantFiled: December 29, 2017Date of Patent: June 18, 2019Assignee: INFINEON TECHNOLOGIES AGInventors: Oliver Hellmund, Johannes Baumgartl, Iris Moder, Ingo Muri, Thomas Christian Neidhart, Hans-Joachim Schulze
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Patent number: 10256149Abstract: A semiconductor base substrate having a substantially planar growth surface is provided. A first type III-V semiconductor layer is epitaxially grown on the growth surface. First and second trenches that vertically extend from an upper surface of the first type III-V semiconductor layer at least to the growth surface are formed. The first and second trenches are filled with a filler material that is different from material of the type III-V semiconductor layer. A cut that separates the first type III-V semiconductor layer and the base substrate into two discrete semiconductor chips is formed. The cut is formed in a lateral section of the first type III-V semiconductor layer that is between the first and second trenches.Type: GrantFiled: February 28, 2017Date of Patent: April 9, 2019Assignee: Infineon Technologies Austria AGInventors: Arno Zechmann, Gianmauro Pozzovivo
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Patent number: 10204843Abstract: A semiconductor device structure and a method of fabricating the same are provided. The method for manufacturing a semiconductor structure includes forming a dielectric layer over a substrate and forming a first structure through the dielectric layer such that a first portion of the dielectric layer is disposed in between the first structure. The method for manufacturing a semiconductor structure further includes forming a first via hole and a second via hole through the first portion of the dielectric layer and forming a trench connecting the first via hole and the second via hole in the dielectric layer. The method for manufacturing a semiconductor structure further includes forming a conductive feature in the first via hole, the second via hole, and the trench. In addition, the first structure and the dielectric layer are made of different materials from each other.Type: GrantFiled: November 9, 2017Date of Patent: February 12, 2019Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Yi-Ruei Lin, Yen-Ming Peng, Han-Wei Yang, Chen-Chung Lai
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Patent number: 10170461Abstract: Some embodiments relate to a semiconductor device on a substrate. An interconnect structure is disposed over the substrate, and a first conductive pad is disposed over the interconnect structure. A second conductive pad is disposed over the interconnect structure and is spaced apart from the first conductive pad. A third conductive pad is disposed over the interconnect structure and is spaced apart from the first and second conductive pads. A fourth conductive pad is disposed over the interconnect structure and is spaced apart from the first, second, and third conductive pads. A first ESD protection element is electrically coupled between the first and second pads; and a second ESD protection element is electrically coupled between the third and fourth pads. A first device under test is electrically coupled between the first and third conductive pads; and a second device under test is electrically coupled between the second and fourth pads.Type: GrantFiled: September 21, 2016Date of Patent: January 1, 2019Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Jen-Chou Tseng, Ming-Fu Tsai, Tzu-Heng Chang
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Patent number: RE49203Abstract: The present disclosure provides a static random access memory (SRAM) cell. The SRAM cell includes a plurality of fin active regions foamed on a semiconductor substrate, wherein the plurality of fin active regions include a pair adjacent fin active regions having a first spacing and a fin active region having a second spacing from adjacent fin active regions, the second spacing being greater than the first spacing; a plurality of fin field-effect transistors (FinFETs) formed on the plurality of fin active regions, wherein the plurality of FinFETs are configured to a first and second inverters cross-coupled for data storage and at least one port for data access; a first contact disposed between the first and second the fin active regions, electrically contacting both of the first and second the fin active regions; and a second contact disposed on and electrically contacting the third fin active region.Type: GrantFiled: May 24, 2019Date of Patent: September 6, 2022Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Jhon Jhy Liaw, Jeng-Jung Shen