Tapered Via Holes (epo) Patents (Class 257/E21.578)
  • Patent number: 12243805
    Abstract: An integrated circuit (IC) with through-circuit vias (TCVs) and methods of forming the same are disclosed. The IC includes a semiconductor device, first and second interconnect structures disposed on first and second surfaces of the semiconductor device, respectively, first and second inter-layer dielectric (ILD) layers disposed on front and back surfaces of the substrate, respectively, and a TCV disposed within the first and second interconnect structures, the first and second ILD layers, and the substrate. The TCV is spaced apart from the semiconductor device by a portion of the substrate and portions of the first and second ILD layers. A first end of the TCV, disposed over the front surface of the substrate, is connected to a conductive line of the first interconnect structure and a second end of the TCV, disposed over the back surface of the substrate, is connected to a conductive line of the second interconnect structure.
    Type: Grant
    Filed: July 29, 2022
    Date of Patent: March 4, 2025
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Jian-Hong Lin, Hsin-Chun Chang, Ming-Hong Hsieh, Ming-Yih Wang, Yinlung Lu
  • Patent number: 12217962
    Abstract: A semiconductor manufacturing system includes a calculation unit that calculates an inclination degree of an incidence direction of an etchant in an etching device according to a worn state of a part of the etching device. A correction unit corrects a second exposure pattern so that an edge position in the second exposure pattern including an edge is shifted from a first exposure pattern according to the calculated inclination degree. An exposure device exposes a second resist film formed on the substrate from which a first resist pattern is removed with the second exposure pattern. A development device develops the second resist film and forms a second resist pattern on the substrate. The etching device performs etching processing on the substrate by using the second resist pattern as a mask.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: February 4, 2025
    Assignee: KIOXIA CORPORATION
    Inventor: Shingo Honda
  • Patent number: 12002748
    Abstract: A contact window structure, a metal plug and a forming method thereof, a method of forming the contact window structure and a semiconductor structure are provided. In the method of forming the contact window, an annular pad is formed on a surface of a target layer. A central via, from which partial surface of the target layer is exposed, is formed in the middle part of the annular pad. A dielectric layer covering a substrate, the target layer and the annular pad is formed. The dielectric layer is etched to form an etch hole connected to the central via in the dielectric layer. The annular pad is removed along the etch hole and the central via to enlarge a size of the central via, so as to form the contact window structure by the etch hole and the central via with the enlarged size.
    Type: Grant
    Filed: August 13, 2021
    Date of Patent: June 4, 2024
    Assignee: Changxin Memory Technologies, Inc.
    Inventors: Jie Liu, Ping-Heng Wu, Zhan Ying
  • Patent number: 12002743
    Abstract: An electronic carrier and a method of manufacturing an electronic carrier are provided. The electronic carrier includes a first interconnection structure and a second interconnection structure. The first interconnection structure includes a first patterned conductive layer having a first pattern density. The second interconnection structure is laminated to the first interconnection structure and includes a second patterned conductive layer having a second pattern density higher than the first pattern density. The first interconnection structure is electrically coupled to the second interconnection structure through a first non-soldering joint between and outside of the first interconnection structure and the second interconnection structure.
    Type: Grant
    Filed: August 13, 2021
    Date of Patent: June 4, 2024
    Assignee: ADVANCED SEMICONDUCTOR ENGINEERING, INC.
    Inventors: You-Lung Yen, Bernd Karl Appelt
  • Patent number: 11948835
    Abstract: A device comprises a first metal structure, a dielectric structure, a dielectric residue, and a second metal structure. The dielectric structure is over the first metal structure. The dielectric structure has a stepped sidewall structure. The stepped sidewall structure comprises a lower sidewall and an upper sidewall laterally set back from the lower sidewall. The dielectric residue is embedded in a recessed region in the lower sidewall of the stepped sidewall structure of the dielectric structure. The second metal structure extends through the dielectric structure to the first metal structure.
    Type: Grant
    Filed: April 14, 2021
    Date of Patent: April 2, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Che-Cheng Chang, Chih-Han Lin
  • Patent number: 11854975
    Abstract: A three-dimensional (3D) semiconductor device includes a stack structure including first and second stacks stacked on a substrate. Each of the first and second stacks includes a first electrode and a second electrode on the first electrode. A sidewall of the second electrode of the first stack is horizontally spaced apart from a sidewall of the second electrode of the second stack by a first distance. A sidewall of the first electrode is horizontally spaced apart from the sidewall of the second electrode by a second distance in each of the first and second stacks. The second distance is smaller than a half of the first distance.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: December 26, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Hun Lee, Seokjung Yun, Chang-Sup Lee, Seong Soon Cho, Jeehoon Han
  • Patent number: 11776844
    Abstract: The embodiments herein relate to contact via structures of semiconductor devices and methods of forming the same. A semiconductor device is provided. The semiconductor device includes a substrate, a conductive feature over the substrate, and a contact via structure over and electrically coupling to the conductive feature. The contact via structure has a concave profile.
    Type: Grant
    Filed: March 24, 2021
    Date of Patent: October 3, 2023
    Assignee: GLOBALFOUNDRIES SINGAPORE PTE. LTD.
    Inventors: Yung Fu Chong, Rui Tze Toh, Fangyue Liu
  • Patent number: 11594633
    Abstract: The present disclosure relates to a semiconductor device including a substrate and first and second spacers on the substrate. The semiconductor device also includes a gate stack between the first and second spacers. The gate stack includes a gate dielectric layer having a first portion formed on the substrate and a second portion formed on the first and second spacers; an internal gate formed on the first and second portions of the gate dielectric layer; a ferroelectric dielectric layer formed on the internal gate and in contact with the gate dielectric layer; and a gate electrode on the ferroelectric dielectric layer.
    Type: Grant
    Filed: May 24, 2021
    Date of Patent: February 28, 2023
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Cheng-Ming Lin, Sai-Hooi Yeong, Ziwei Fang, Chi On Chui, Huang-Lin Chao
  • Patent number: 11588106
    Abstract: In some embodiments, the present disclosure relates to a method of forming an integrated chip that includes depositing a phase change material layer over a bottom electrode. The phase change material is configured to change its degree of crystallinity upon temperature changes. A top electrode layer is deposited over the phase change material layer, and a hard mask layer is deposited over the top electrode layer. The top electrode layer and the hard mask layer are patterned to remove outer portions of the top electrode layer and to expose outer portions of the phase change material layer. An isotropic etch is performed to remove portions of the phase change material layer that are uncovered by the top electrode layer and the hard mask layer. The isotropic etch removes the portions of the phase change material layer faster than portions of the top electrode layer and the hard mask layer.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: February 21, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yu Chao Lin, Jui-Ming Chen, Shao-Ming Yu, Tung Ying Lee, Yu-Sheng Chen
  • Patent number: 11532560
    Abstract: In a semiconductor process, a seamless tungsten plug is formed in an inter-layer dielectric by forming the inter-layer dielectric from multiple oxide layers having different wet etch rates, from lowest wet-etch rate for the lowest layer to highest wet-etch rate for the highest layer, forming a hole or trench in the inter-layer dielectric using a dry etch process, reconfiguring the hole or trench to have sloped side walls by performing a wet etch step, and filling the hole or trench with tungsten and etching back the tungsten to form a seamless tungsten plug.
    Type: Grant
    Filed: November 3, 2014
    Date of Patent: December 20, 2022
    Assignee: Texas Instruments Incorporated
    Inventors: Yunlong Liu, Yufei Xiong, Hong Yang
  • Patent number: 11114818
    Abstract: A photonic chip includes an optical layer bonded, at a bonding interface, to an interconnection layer, the thickness of the optical layer being smaller than 15 ?m, a primary via that extends through the interconnection layer solely between a lower face and the bonding interface, an electrical terminal chosen from the group consisting of an electrical contact embedded in the interior of the optical layer and of an electrical track produced on an upper face, a second via that extends the primary via into the interior of the optical layer in order to electrically connect the primary via to the electrical terminal, this secondary via extending in the interior of the optical layer from the bonding interface to the electrical terminal, the maximum diameter of this secondary via being smaller than 3 ?m.
    Type: Grant
    Filed: June 6, 2019
    Date of Patent: September 7, 2021
    Assignee: Commissariat a l'energie atomique et aux energies alternatives
    Inventors: Sylvie Menezo, Severine Cheramy
  • Patent number: 11081522
    Abstract: A semiconductor device includes a plurality of first selection lines extending in a first direction and disposed side by side in a second direction, the second direction intersecting with the first direction, a first metal wiring line formed in a layer above the first selection line layer, a first through wiring line penetrating an insulating layer formed on the first selection line layer, and coupling a first line of the plurality of first selection lines and the first metal wiring line to each other, a second through wiring line penetrating the first selection line layer, the second through wiring line having one end coupled to the first metal wiring line, a first storage element having a first terminal, and a second terminal coupled to the first line, and a first drive circuit coupled to another end of the second through wiring line, and drives the plurality of first selection lines.
    Type: Grant
    Filed: April 17, 2018
    Date of Patent: August 3, 2021
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventor: Haruhiko Terada
  • Patent number: 10950478
    Abstract: A method includes forming a first polymer layer to cover a metal pad of a wafer, and patterning the first polymer layer to form a first opening. A first sidewall of the first polymer layer exposed to the first opening has a first tilt angle where the first sidewall is in contact with the metal pad. The method further includes forming a metal pillar in the first opening, sawing the wafer to generate a device die, encapsulating the device die in an encapsulating material, performing a planarization to reveal the metal pillar, forming a second polymer layer over the encapsulating material and the device die, and patterning the second polymer layer to form a second opening. The metal pillar is exposed through the second opening. A second sidewall of the second polymer layer exposed to the second opening has a second tilt angle greater than the first tilt angle.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: March 16, 2021
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hsi-Kuei Cheng, Ching Fu Chang, Chih-Kang Han, Hsin-Chieh Huang
  • Patent number: 10847359
    Abstract: The present disclosure provides a method for forming an integrated circuit (IC) structure. The method includes providing a metal gate (MG), an etch stop layer (ESL) formed on the MG, and a dielectric layer formed on the ESL. The method further includes etching the ESL and the dielectric layer to form a trench. A surface of the MG exposed in the trench is oxidized to form a first oxide layer on the MG. The method further includes removing the first oxide layer using a H3PO4 solution.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: November 24, 2020
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Shich-Chang Suen, Li-Chieh Wu, Chi-Jen Liu, He Hui Peng, Liang-Guang Chen, Yung-Chung Chen
  • Patent number: 10784151
    Abstract: The present disclosure provides a method for forming an interconnect structure, including forming an Nth metal line principally extending in a first direction, forming a sacrificial bilayer over the Nth metal line, forming a dielectric layer over the sacrificial bilayer, removing a portion of the sacrificial bilayer, forming a conductive post in the sacrificial bilayer, wherein the conductive post having a top pattern coplanar with a top surface of the sacrificial bilayer and a bottom pattern in contact with a top surface of the Nth metal line, and forming an Nth metal via over the sacrificial bilayer.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: September 22, 2020
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Hsiang-Wei Liu, Wei-Chen Chu, Chia-Tien Wu, Tai-I Yang
  • Patent number: 10615194
    Abstract: The present disclosure relates to an array substrate, a manufacturing method thereof and a liquid crystal display (LCD). The manufacturing method of array substrates includes forming a first metal layer on a substrate, etching the first metal layer via a first mask to form a gate and a common electrode, forming a gate insulation layer, an active layer, and a second metal layer on the first metal layer in sequence, etching the second metal layer and the active layer via a second mask to form a source, a drain, and a pixel electrode. As such, the manufacturing process of the array substrate may only require two masks, the productivity may be improved, and the costs may be reduced.
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: April 7, 2020
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd
    Inventor: Qiming Gan
  • Patent number: 10269624
    Abstract: An embodiment method includes patterning an opening through a dielectric layer, depositing an adhesion layer along sidewalls and a bottom surface of the opening, depositing a first mask layer in the opening over the adhesion layer, etching back the first mask layer below a top surface of the dielectric layer, and widening an upper portion of the opening after etching back the first mask layer. The first mask layer masks a bottom portion of the opening while widening the upper portion of the opening. The method further includes removing the first mask layer after widening the upper portion of the opening and after removing the first mask layer, forming a contact in the opening by depositing a conductive material in the opening over the adhesion layer.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: April 23, 2019
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Xi-Zong Chen, Y. H. Kuo, Cha-Hsin Chao, Yi-Wei Chiu, Li-Te Hsu
  • Patent number: 10170472
    Abstract: A semiconductor device includes a substrate first through fourth active fins on the substrate, extending in a first direction, and spaced apart from one another in a second direction that intersects the first direction, a first gate electrode extending in the second direction and on the first active fin to overlap with the first active fin but not with the second through fourth active fins, a second gate electrode extending in the second direction and on the second and third active fins to overlap with the second active fin but not with the first and fourth active fins, a first contact on the first gate electrode and connected to a first wordline, and a second contact on the second gate electrode and connected to a second wordline. The first through third active fins are between the first and second contacts. Related devices are also discussed.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: January 1, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Lak Gyo Jeong, Yong Rae Cho, Kyo Wook Lee, Hee Bum Hong
  • Patent number: 10163778
    Abstract: A structure and a formation method of a semiconductor device structure are provided. The semiconductor device structure includes a semiconductor substrate and a conductive feature over the semiconductor substrate. The semiconductor device structure also includes a dielectric layer over the conductive feature and the semiconductor substrate. The semiconductor device structure further includes a conductive via surrounded by the dielectric layer and electrically connected to the conductive feature. The conductive via has a lower end and an upper end larger than the lower end, and the conductive via has a side surface curved inward.
    Type: Grant
    Filed: August 14, 2014
    Date of Patent: December 25, 2018
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventor: Tai-Yen Peng
  • Patent number: 10090392
    Abstract: A semiconductor device includes a metal oxide semiconductor device disposed over a substrate and an interconnect plug. The metal oxide semiconductor device includes a gate structure located on the substrate and a raised source/drain region disposed adjacent to the gate structure. The raised source/drain region includes a top surface above a surface of the substrate by a distance. The interconnect plug connects to the raised source/drain region. The interconnect plug includes a doped region contacting the top surface of the raised source/drain region, a metal silicide region located on the doped region, and a metal region located on the metal silicide region.
    Type: Grant
    Filed: January 17, 2014
    Date of Patent: October 2, 2018
    Assignee: Taiwan Semiconductor Manufacturing Company Ltd.
    Inventors: I-Chih Chen, Chih-Mu Huang, Ling-Sung Wang, Ying-Hao Chen, Wen-Chang Kuo, Jung-Chi Jeng
  • Patent number: 10090320
    Abstract: A semiconductor device according to an embodiment, includes a stacked body, a plurality of first terraces, a second terrace, a plurality of interconnects, a plurality of conductive bodies. The stacked body includes a plurality of electrode layers. The stacked body includes a stairstep portion at an end portion of the stacked body. The plurality of first terraces are provided in the stairstep portion. The second terrace is provided in the stairstep portion. The plurality of interconnects are provided from the second terrace to the plurality of first terraces. The plurality of interconnects contact one of the plurality of electrode layers at the stairstep portion. The plurality of conductive bodies are provided above the second terrace. The plurality of conductive bodies extend in a stacking direction of the stacked body. The conductive bodies contact the interconnects above the second terrace.
    Type: Grant
    Filed: September 16, 2016
    Date of Patent: October 2, 2018
    Assignee: Toshiba Memory Corporation
    Inventors: Jun Nogami, Gaku Sudo
  • Patent number: 9939586
    Abstract: A photodetector includes a germanium layer evanescently coupled to a ring resonator. The ring resonator increases the interaction length between light guided by the ring resonator and the germanium layer without increasing the size of the photodetector, thereby keeping the photodetector's dark current at a low level. The germanium layer absorbs the guided light and converts the absorbed light into electrical signals for detection. The increased interaction length in the resonator allows efficient transfer of light from the resonator to the germanium layer via evanescently coupling. In addition, the internal and external quality factors (Q) of the ring resonator can be matched to achieve (nearly) full absorption of light in the germanium with high quantum efficiency.
    Type: Grant
    Filed: January 30, 2017
    Date of Patent: April 10, 2018
    Assignee: Massachusetts Institute of Technology
    Inventors: Erman Timurdogan, Michael R. Watts, Zhan Su, Ehsan Shah Hosseini, Jie Sun
  • Patent number: 9929716
    Abstract: There are provided an acoustic resonator and a method of manufacturing the same. The acoustic resonator includes a resonance part including a first electrode, a second electrode, and a piezoelectric layer disposed between the first and second electrodes. The acoustic resonator also includes a substrate disposed below the resonance part and including a via hole penetrating through the substrate and a connection conductor disposed in the via hole and connected to at least one of the first and second electrodes.
    Type: Grant
    Filed: November 4, 2015
    Date of Patent: March 27, 2018
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Moon Chul Lee, Duck Hwan Kim, Yeong Gyu Lee, Chul Soo Kim, Jie Ai Yu, Sang Uk Son
  • Patent number: 9899304
    Abstract: A wiring substrate includes a first wiring layer that is an uppermost wiring layer, a protective insulation layer that covers the first wiring layer, and a first through hole that extends through the protective insulation layer in a thickness-wise direction to partially expose an upper surface of the first wiring layer. The first through hole includes a recess defined in an upper surface of the protective insulation layer by a curved wall surface and an opening that extends from the upper surface of the first wiring layer to a bottom of the recess and is in communication with the recess. The opening is smaller than the recess in a plan view.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: February 20, 2018
    Assignee: Shinko Electric Industries Co., Ltd.
    Inventors: Kei Imafuji, Keiji Yoshizawa, Hirokazu Yoshino, Kenta Uchiyama
  • Patent number: 9853064
    Abstract: A manufacture method of a via hole for a display panel, a manufacture method of a display panel, and a display panel are provided. During forming the via hole, a top film layer in an area to be formed with a via hole over a circuit pattern is etched under a first etching condition according to a slope angle as required; and a remaining portion in the area to be formed with a via hole is etched under a second etching condition according to a selection ratio as required, so as to form the via hole finally. A problem in one-step etching process that the slope angle and the selection ratio cannot be set flexibly is avoided.
    Type: Grant
    Filed: November 18, 2013
    Date of Patent: December 26, 2017
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Tiansheng Li, Zhenyu Xie
  • Patent number: 9768163
    Abstract: A semiconductor device includes a first gate pattern and a second gate pattern on a substrate, the first gate pattern having a first height and the second gate pattern having a second height, an insulating pattern on the substrate covering the first and second gate patterns, the insulating pattern including a trench exposing the substrate between the first and second gate patterns, a spacer contacting at least a portion of a sidewall of the insulating pattern within the trench, the spacer spaced apart from the first and second gate patterns and having a third height larger than the first and second heights, and a contact structure filling the trench.
    Type: Grant
    Filed: June 19, 2015
    Date of Patent: September 19, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Doo-Young Lee, Sang-Hyun Lee, Myung-Hoon Jung, Do-Hyoung Kim
  • Patent number: 9676193
    Abstract: A substrate processing method includes forming a first hole in a first surface of a silicon substrate to have a depth that it does not extend through the substrate and forming a second hole in a second surface to make the second hole to communicate with the first hole, so that a through hole formed of the first and second holes is formed in the substrate. The process of forming the second hole includes forming a communication portion wider than an opening of the first hole between the first and second holes after the second hole has been made to communicate with the first hole by dry etching.
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: June 13, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masataka Kato, Hiroshi Higuchi, Yoshinao Ogata, Seiko Minami, Masaya Uyama, Toshiyasu Sakai
  • Patent number: 9666479
    Abstract: Semiconductor fabrication techniques and associated semiconductor devices are provided in which conductive lines are separated by a low dielectric constant (low-k) material such as low-k film portions or air. An insulation layer such as SiO2 is etched to form raised structures. The structures are slimmed and a low-k material or sacrificial material is deposited. A further etching removes the material except for portions on sidewalls of the slimmed structures. A metal barrier layer and seed layer are then deposited, followed by a metal filler such as copper. Chemical mechanical polishing (CMP) removes portions of the metal above the raised structures, leaving only portions of the metal between the raised structures as spaced apart conductive lines. The sacrificial material can be removed by a thermal process, leaving air gaps. The raised structures provide strength while the air gap or other low-k material reduces capacitance.
    Type: Grant
    Filed: June 22, 2016
    Date of Patent: May 30, 2017
    Assignee: SanDisk Technologies LLC
    Inventor: Noritaka Fukuo
  • Patent number: 9627247
    Abstract: Provided is a method of fabricating a semiconductor device, including the following. A first material layer, a second material layer and a mask layer are formed on a substrate. A portion of the second material layer is removed by performing a first etching process with the mask layer as a mask, so as to expose the first material layer and form a first pattern layer and a second pattern layer. A portion of the first material layer is removed by performing a second etching process with the mask layer as a mask, so as to expose a portion of the substrate. A portion of the substrate is removed by performing a third etching process with the mask layer as a mask, so as to form first trenches and second trenches. Sidewalls of the second trenches and a surface of the substrate form at least two different angles.
    Type: Grant
    Filed: June 3, 2015
    Date of Patent: April 18, 2017
    Assignee: MACRONIX International Co., Ltd.
    Inventors: Fang-Hao Hsu, Hong-Ji Lee
  • Patent number: 9536826
    Abstract: A semiconductor device structure is provided. The semiconductor device structure includes a first metal layer formed over a substrate and an interconnect structure formed over the first metal layer. The interconnect structure includes an upper portion, a middle portion and a lower portion, the middle portion is connected between the upper portion and the lower portion. The upper portion and the lower portion each have a constant width, and the middle portion has a tapered width which is gradually tapered from the upper portion to the lower portion.
    Type: Grant
    Filed: July 14, 2015
    Date of Patent: January 3, 2017
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Che-Cheng Chang, Chih-Han Lin
  • Patent number: 9431345
    Abstract: According to one embodiment, a semiconductor device includes a metal interconnect and a graphene interconnect which are stacked to one another.
    Type: Grant
    Filed: September 10, 2013
    Date of Patent: August 30, 2016
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Atsuko Sakata, Masayuki Kitamura, Makoto Wada, Masayuki Katagiri, Yuichi Yamazaki, Akihiro Kajita
  • Patent number: 8956969
    Abstract: A hole formation method including applying a pillar-forming liquid to a base material, to thereby form a pillar; applying an insulating film-forming material to the base material on which the pillar has been formed, to thereby form an insulating film; removing the pillar to form an opening in the insulating film; and heat treating the insulating film in which the opening has been formed.
    Type: Grant
    Filed: February 14, 2012
    Date of Patent: February 17, 2015
    Assignees: Ricoh Company, Ltd., Sijtechnology, Inc.
    Inventors: Yuji Sone, Naoyuki Ueda, Yuki Nakamura, Yukiko Abe, Kazuhiro Murata, Kazuyuki Masuda
  • Patent number: 8896127
    Abstract: An integrated circuit structure includes a semiconductor substrate and a hard mask layer formed on the semiconductor substrate. The integrated circuit structure further includes at least a conductive layer formed in the hard mask layer and a via extending from the hard mask layer to at least a portion of the semiconductor substrate, wherein the via has a round corner and a tapered sidewall.
    Type: Grant
    Filed: November 8, 2012
    Date of Patent: November 25, 2014
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hung-Pin Chang, Wen-Chih Chiou, Chen-Hua Yu
  • Patent number: 8822331
    Abstract: An anchored conductive damascene buried in a multi-density dielectric layer and method for forming the same, the anchored conductive damascene including a dielectric layer with an opening extending through a thickness of the dielectric layer; wherein the dielectric layer comprises at least one relatively higher density portion and a relatively lower density portion, the relatively lower density portion forming a contiguous major portion of the dielectric layer; and, wherein the opening in the relatively lower density portion has a lateral dimension relatively larger compared to the relatively higher density portion to form anchoring steps.
    Type: Grant
    Filed: March 2, 2011
    Date of Patent: September 2, 2014
    Assignee: Taiwan Semiconductor Manufacturing Co. Ltd.
    Inventors: David Lu, Horng-Huei Tseng, Syun-Ming Jang
  • Patent number: 8815734
    Abstract: A gas cluster ion beam process is used to reduce and/or even eliminate metal void formation in an interconnect structure. In one embodiment, gas cluster ion beam etching forms a chamfer opening in an interconnect dielectric material. In another embodiment, gas cluster ion beam etching reduces the overhang profile of a diffusion barrier or a multilayered stack of a diffusion barrier and a plating seed layer that is formed within an opening located in an interconnect dielectric material. In yet another embodiment, a gas cluster ion beam process deactivates a surface of an interconnect dielectric material that is located at upper corners of an opening that is formed therein. In this embodiment, the gas cluster ion beam process deposits a material that deactivates the upper corners of each opening that is formed into an interconnect dielectric material.
    Type: Grant
    Filed: November 7, 2011
    Date of Patent: August 26, 2014
    Assignee: International Business Machines Corporation
    Inventors: Kangguo Cheng, Junli Wang, Keith Kwong Hon Wong, Chih-Chao Yang
  • Patent number: 8716124
    Abstract: A semiconductor device fabrication process includes forming insulating mandrels over replacement metal gates on a semiconductor substrate with first gates having sources and drains and at least one second gate being isolated from the first gates. Mandrel spacers are formed around each insulating mandrel. The mandrels and mandrel spacers include the first insulating material. A second insulating layer of the second insulating material is formed over the transistor. One or more first trenches are formed to the sources and drains of the first gates by removing the second insulating material between the insulating mandrels. A second trench is formed to the second gate by removing portions of the first and second insulating materials above the second gate. The first trenches and the second trench are filled with conductive material to form first contacts to the sources and drains of the first gates and a second contact to the second gate.
    Type: Grant
    Filed: November 14, 2011
    Date of Patent: May 6, 2014
    Assignee: Advanced Micro Devices
    Inventor: Richard T. Schultz
  • Patent number: 8716127
    Abstract: A metal interconnect structure, which includes metal alloy capping layers, and a method of manufacturing the same. The originally deposited alloy capping layer element within the interconnect features will diffuse into and segregate onto top surface of the metal interconnect. The metal alloy capping material is deposited on a reflowed copper surface and is not physically in contact with sidewalls of the interconnect features. The metal alloy capping layer is also reflowed on the copper. Thus, there is a reduction in electrical resistivity impact from residual alloy elements in the interconnect structure. That is, there is a reduction, of alloy elements inside the features of the metal interconnect structure. The metal interconnect structure includes a dielectric layer with a recessed line, a liner material on sidewalls, a copper material, an alloy capping layer, and a dielectric cap.
    Type: Grant
    Filed: May 11, 2013
    Date of Patent: May 6, 2014
    Assignee: International Business Machines Corporation
    Inventors: Chih-Chao Yang, Marc A. Bergendahl, Steven J. Holmes, David V. Horak, Charles W. Koburger, Shom Ponoth
  • Patent number: 8685861
    Abstract: A integrated circuit system including providing an integrated circuit device, forming an undoped insulating layer over the integrated circuit device, forming a thin insulating layer over the undoped insulating layer, forming a doped insulating layer over the thin insulating layer, and forming a contact in the undoped insulating layer, thin insulating layer and the doped insulating layer.
    Type: Grant
    Filed: August 2, 2006
    Date of Patent: April 1, 2014
    Assignee: GLOBALFOUNDRIES Singapore Pte. Ltd.
    Inventors: Chih Ping Yong, Peter Chew, Chuin Boon Yeap, Hoon Lian Yap, Ranbir Singh, Nace Rossi, Jovin Lim
  • Patent number: 8664114
    Abstract: A method for fabricating an image sensor includes at least one of: (1) Forming a gate on a semiconductor substrate; (2) Forming spacers on both side walls of the gate and forming a dummy pattern on an upper portion of the semiconductor substrate; and (3) Forming a metal pad for an electrical connection on an upper portion of the dummy pattern. The method may include at least one of: (1) Forming an interlayer dielectric layer covering the entire semiconductor substrate, (2) Etching portions of the interlayer dielectric layer and the semiconductor substrate to form a super-contact hole; and (3) forming an insulation film on the entire surface of the interlayer dielectric layer. The method may include forming normal contact holes such that a portion of an upper portion of the gate and a partial region of the metal pad for an electrical connection are exposed and filling up the normal contact holes with a conductive material to form normal contacts.
    Type: Grant
    Filed: January 16, 2013
    Date of Patent: March 4, 2014
    Assignee: Dongbu HiTek Co., Ltd.
    Inventor: Ki-Jun Yun
  • Patent number: 8628984
    Abstract: A package system includes a substrate having at least one first thermally conductive structure through the substrate. At least one second thermally conductive structure is disposed over the at least one first thermally conductive structure. At least one light-emitting diode (LED) is disposed over the at least one second thermally conductive structure.
    Type: Grant
    Filed: February 15, 2013
    Date of Patent: January 14, 2014
    Assignee: TSMC Solid State Lighting Ltd.
    Inventor: Chung Yu Wang
  • Publication number: 20130341802
    Abstract: Integrated circuit packages comprise vias, each of which extends from a pad in communication with an integrated circuit on a semiconductor chip through insulating material overlying the semiconductor chip to an attachment surface facing a substrate. The portion of each via proximate the attachment surface is laterally offset from the portion proximate the pad from which it extends in a direction away from the centre of the semiconductor chip. Metallic material received in the vias mechanically and electrically interconnects the semiconductor chip to the substrate.
    Type: Application
    Filed: June 25, 2012
    Publication date: December 26, 2013
    Applicant: ADVANCED MICRO DEVICES, INC.
    Inventors: Michael Z. Su, Fu Lei, Frank Kuechenmeister
  • Publication number: 20130313720
    Abstract: A packaging substrate includes a high reliability via structure that extends through multiple layers of the packaging substrate. The via structure includes an opening formed through multiple layers of the packaging substrate and an electrically conductive layer that is deposited in the opening. The opening is formed in a single material removal process and the conductive layer is formed in a single deposition process. Because the conductive layer is formed in a single deposition process, the conductive layer provides an interface-free conductive path between the multiple layers.
    Type: Application
    Filed: May 25, 2012
    Publication date: November 28, 2013
    Inventors: Leilei ZHANG, Zuhair Bokharey
  • Patent number: 8586470
    Abstract: A multilevel interconnect structure for a semiconductor device includes an intermetal dielectric layer with funnel-shaped connecting vias. The funnel-shaped connecting vias are provided in connection with systems exhibiting submicron spacings. The architecture of the multilevel interconnect structure provides a low resistance connecting via.
    Type: Grant
    Filed: April 21, 2011
    Date of Patent: November 19, 2013
    Assignee: STMicroelectronics S.r.l.
    Inventors: Antonio Di Franco, Silvio Cristofalo, Marco Bonifacio
  • Patent number: 8569167
    Abstract: Methods of forming a Ni material on a bond pad are disclosed. The methods include forming a dielectric material over a bond pad, forming an opening within the dielectric material to expose the bond pad, curing the dielectric material to form a surface of the dielectric material having a steep curvilinear profile, and forming a nickel material over the at least one bond pad. The dielectric material having a steep curvilinear profile may be formed by altering at least one of a curing process of the dielectric material and a thickness of the dielectric material. The dielectric material may be used to form a relatively thick Ni material on bond pads smaller than about 50 ?m. Semiconductor structures formed by such methods are also disclosed.
    Type: Grant
    Filed: March 29, 2011
    Date of Patent: October 29, 2013
    Assignee: Micron Technology, Inc.
    Inventors: Jaspreet S. Ghandi, Don L. Yates, Yangyang Sun
  • Patent number: 8492274
    Abstract: A metal interconnect structure, which includes metal alloy capping layers, and a method of manufacturing the same. The originally deposited alloy capping layer element within the interconnect features will diffuse into and segregate onto top surface of the metal interconnect. The metal alloy capping material is deposited on a reflowed copper surface and is not physically in contact with sidewalls of the interconnect features. The metal alloy capping layer is also reflowed on the copper. Thus, there is a reduction in electrical resistivity impact from residual alloy elements in the interconnect structure. That is, there is a reduction, of alloy elements inside the features of the metal interconnect structure. The metal interconnect structure includes a dielectric layer with a recessed line, a liner material on sidewalls, a copper material, an alloy capping layer, and a dielectric cap.
    Type: Grant
    Filed: October 17, 2012
    Date of Patent: July 23, 2013
    Assignee: International Business Machines Corporation
    Inventors: Chih-Chao Yang, Marc A. Bergendahl, Steven J. Holmes, David V. Horak, Charles W. Koburger, III, Shom Ponoth
  • Patent number: 8450850
    Abstract: Provided are a thin-film transistor (TFT) substrate and a method of manufacturing the same. The method includes: forming a passivation film by forming an insulating film on a substrate; forming a photoresist pattern by forming a photoresist film on the passivation film, exposing the photoresist film to light, and developing the photoresist film; performing a first dry-etching by dry-etching the passivation film using the photoresist pattern as an etch mask; performing a baking to reduce a size of the photoresist pattern; performing a second dry-etching to form a contact hole by dry-etching the passivation film again using the photoresist pattern as a mask; removing the photoresist pattern; and forming a pixel electrode of a carbon composition that includes carbon nanotubes and/or graphene on a top surface of the passivation film.
    Type: Grant
    Filed: July 28, 2011
    Date of Patent: May 28, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hong Long Ning, Chang-Oh Jeong, Ji-Young Park, Sang-Gab Kim, Sung-Haeng Cho, Yeon-Hong Kim, Jin-Su Byun
  • Patent number: 8421238
    Abstract: A semiconductor device includes a semiconductor substrate including a first surface and a second surface opposite to the first surface, and a through-via penetrating the semiconductor substrate. The through-via has a stacked structure of a first conductive film formed in a portion of the semiconductor substrate closer to the first surface, and a second conductive film formed in a portion of the semiconductor substrate closer to the second surface. An insulating layer is buried inside the semiconductor substrate. The first conductive film is electrically connected to the second conductive film in the insulating layer.
    Type: Grant
    Filed: August 25, 2011
    Date of Patent: April 16, 2013
    Assignee: Panasonic Corporation
    Inventor: Daisuke Inagaki
  • Patent number: 8415804
    Abstract: A semiconductor chip, a method of fabricating the same, and a stack module and a memory card including the semiconductor chip include a first surface and a second surface facing the first surface is provided. At least one via hole including a first portion extending in a direction from the first surface of the substrate to the second surface of the substrate and a second portion that is connected to the first portion and has a tapered shape. At least one via electrode filling the at least one via hole is provided.
    Type: Grant
    Filed: December 16, 2009
    Date of Patent: April 9, 2013
    Assignee: SAMSUNG Electronics Co., Ltd.
    Inventors: Ho-jin Lee, Dong-hyun Jang, In-young Lee, Min-seung Yoon, Son-kwan Hwang
  • Patent number: 8409956
    Abstract: Methods of forming integrated circuit devices include forming first and second gate electrodes at side-by-side locations on a substrate and forming first and second sidewall spacers on sidewalls of the first gate electrode and the second gate electrode, respectively. The first and second gate electrodes are covered with a first electrically insulating layer of a first material. A second electrically insulating layer of a second material is deposited on the first electrically insulating layer. The second electrically insulating layer is patterned to define a first opening therein that exposes an underlying first portion of the first electrically insulating layer.
    Type: Grant
    Filed: October 27, 2011
    Date of Patent: April 2, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Hong Seong Kang
  • Publication number: 20130069244
    Abstract: A rectangular via extending between interconnects in different metallization levels can have a planform with a width equal to the width of the interconnects and a length equal to twice the width and can be aligned along a long dimension with a length of the upper interconnect. In an integrated circuit layout, the planform can be centered over the width of the lower interconnect, allowing for misalignment during fabrication while maintaining a robust electrical connection. The bottom of the via may be aligned with an upper surface of the lower interconnect or may include portions below the lower interconnect's upper surface. Fewer adjacent routing tracks are blocked by use of the rectangular via than would be blocked using redundant square vias, while ensuring reliability of the electrical connection despite potential misalignment during fabrication.
    Type: Application
    Filed: June 21, 2012
    Publication date: March 21, 2013
    Applicant: Texas Instruments Incorporated
    Inventor: James Walter Blatchford