Patents Examined by Mohammed Shamsuzzaman
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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: 11251083Abstract: A method of processing a workpiece includes: a frame unit preparing step of preparing a frame unit including a tape affixed to an undersurface of the workpiece; a protective film forming step of forming a protective film on a top surface of the workpiece; a cutting step of cutting the workpiece by applying a laser beam; an interval expanding step of widening intervals between chips formed in the cutting step by expanding the tape outward in a radial direction; and an etching step of removing altered regions formed in the respective chips.Type: GrantFiled: December 5, 2019Date of Patent: February 15, 2022Assignee: DISCO CORPORATIONInventors: Kenta Nakano, Hideyuki Kawaguchi, Yuki Ikeda, Toshiyuki Yoshikawa, Senichi Ryo
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Patent number: 11244843Abstract: The present disclosure provides a fixing device and a method of manufacturing a display panel, the fixing device including a carrier plate provided with a fixing member, wherein the fixing member includes at least two opening regions, an area of the opening region is adjustable, the opening region is configured for accommodating the display panel.Type: GrantFiled: November 13, 2019Date of Patent: February 8, 2022Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTDInventor: Hao Chen
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Patent number: 11239234Abstract: Provided is a semiconductor device having transistor and diode sections. The semiconductor device comprises: a gate metal layer provided above the upper surface of a semiconductor substrate; an emitter electrode provided above the upper surface of the semiconductor substrate; a first conductivity-type emitter region provided on the semiconductor substrate upper surface side in the transistor section; a gate trench section, which is provided on the semiconductor substrate upper surface side in the transistor section, is electrically connected to the gate metal layer, and is in contact with the emitter region; an emitter trench section, which is provided on the semiconductor substrate upper surface side in the diode section, and is electrically connected to the emitter electrode; and a dummy trench section, which is provided on the semiconductor substrate upper surface side, is electrically connected to the gate metal layer, and is not in contact with the emitter region.Type: GrantFiled: November 24, 2019Date of Patent: February 1, 2022Assignee: FUJI ELECTRIC CO., LTD.Inventors: Tomoyuki Obata, Soichi Yoshida, Tetsutaro Imagawa, Seiji Momota
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Patent number: 11239256Abstract: A display substrate includes a first substrate, a first sub-pixel layer and a second sub-pixel layer positioned on the first substrate; the first sub-pixel layer includes a plurality of first sub-pixels, the second sub-pixel layer includes a plurality of second sub-pixels, and a first orthographic projection of the first sub-pixel on the first substrate does not overlap with a second orthographic projection of the second sub-pixel on the first substrate. A display panel, a display device and a method for manufacturing the display substrate are also disclosed.Type: GrantFiled: November 28, 2018Date of Patent: February 1, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Dongni Liu, Can Wang, Minghua Xuan, Lei Wang, Li Xiao, Liang Chen, Shengji Yang, Pengcheng Lu, Xiaochuan Chen
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Patent number: 11222945Abstract: Described examples include a microelectronic device with a high voltage capacitor that includes a high voltage node, a low voltage node, a first dielectric disposed between the low voltage node and the high voltage node, a first conductive plate disposed between the first dielectric and the high voltage node, and a second dielectric disposed between the first conductive plate and the high voltage node.Type: GrantFiled: December 29, 2017Date of Patent: January 11, 2022Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Thomas Dyer Bonifield, Kannan Soundarapandian
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Patent number: 11222970Abstract: A transistor structure, according to one embodiment, includes: an epitaxially grown vertical channel, a word line which surrounds a middle portion of the vertical channel, and a p-MTJ sensor coupled to a first end of the vertical channel. The second side of the vertical channel is opposite the first side of the vertical channel along a plane perpendicular to a deposition direction. A magnetic device, according to another embodiment, includes: a plurality of transistor structures, each of the transistor structures comprising: an epitaxially grown vertical channel, a word line which surrounds a middle portion of the vertical channel, and a p-MTJ sensor coupled to a first end of the vertical channel.Type: GrantFiled: December 28, 2017Date of Patent: January 11, 2022Assignee: Integrated Silicon Solution, (Cayman) Inc.Inventors: Kuk-Hwan Kim, Dafna Beery, Amitay Levi, Andrew J. Walker
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Patent number: 11222853Abstract: An integrated circuit chip includes an SOI substrate having a structure in which a bulk substrate, a buried insulating film, and a semiconductor body layer are sequentially stacked, a conductive ion implantation region formed at a position adjacent to the buried insulating film in the bulk substrate, an integrated circuit portion formed on an active surface of the semiconductor body layer, and a penetrating electrode portion arranged at a position spaced apart from the integrated circuit portion in a horizontal direction, the penetrating electrode portion penetrating the semiconductor body layer and the buried insulating layer in a vertical direction, and the penetrating electrode portion connected to the conductive ion implantation region. An integrated circuit package and a display device include the integrated circuit chip.Type: GrantFiled: October 1, 2019Date of Patent: January 11, 2022Assignee: Samsung Electronics Co., Ltd.Inventors: Jun-gu Kang, Young-mok Kim, Woon-bae Kim, Dae-cheol Seong, Yune-seok Chung
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Patent number: 11217753Abstract: A method of fabricating a carbon nanotube based device, including forming a trench having a bottom surface and sidewalls on a substrate, selectively depositing a bifunctional compound having two reactive moieties in the trench, wherein a first of the two reactive moieties selectively binds to the bottom surface, converting a second of the two reactive moieties to a diazonium salt; and reacting the diazonium salt with a dispersion of carbon nanotubes to form a carbon nanotube layer bound to the bottom surface of the trench.Type: GrantFiled: February 1, 2019Date of Patent: January 4, 2022Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Ali Afzali-Ardakani, Bharat Kumar, George S. Tulevski
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Patent number: 11211461Abstract: A semiconductor device having favorable electrical characteristics is provided. The semiconductor device includes an oxide semiconductor, a first insulator in contact with the oxide semiconductor, and a second insulator in contact with the first insulator. The first insulator includes excess oxygen. The second insulator has a function of trapping or fixing hydrogen. Hydrogen in the oxide semiconductor is bonded to the excess oxygen. The hydrogen bonded to the excess oxygen passes through the first insulator and is trapped or fixed in the second insulator. The excess oxygen bonded to the hydrogen remains in the first insulator as the excess oxygen.Type: GrantFiled: November 25, 2019Date of Patent: December 28, 2021Inventors: Shunpei Yamazaki, Daisuke Yamaguchi, Shinobu Kawaguchi, Yoshihiro Komatsu, Toshikazu Ohno, Yasumasa Yamane, Tomosato Kanagawa
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Patent number: 11211495Abstract: A semiconductor device may include first and second channel patterns on a substrate, first and second source/drain patterns in contact respectively with the first and second channel patterns, and first and second gate electrodes respectively overlapping the first and second channel patterns. The first gate electrode may include a first segment between first and second semiconductor patterns of the first channel pattern. The first segment may include a first convex portion protruding toward the first source/drain pattern. The second gate electrode may include a second segment between third and fourth semiconductor patterns of the second channel pattern. The second segment may include a concave portion recessed toward a center of the second segment.Type: GrantFiled: July 7, 2020Date of Patent: December 28, 2021Inventors: Soojin Jeong, Dong Il Bae, Geumjong Bae, Seungmin Song, Junggil Yang
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Patent number: 11211402Abstract: A three-dimensional semiconductor memory device includes a peripheral logic structure on a semiconductor substrate. A horizontal semiconductor layer is on the peripheral logic structure and includes a cell array region and a connection region. Electrode structures extend in a first direction on the horizontal semiconductor layer and are spaced apart in a second direction intersecting the first direction. A pair of the electrode structures adjacent to each other are symmetrically disposed to define a contact region partially exposing the horizontal semiconductor layer. A through via structure is on the contact region and connects the electrode structures to the peripheral logic structure. Each of the electrode structures includes a plurality of gate insulation regions extending along the first direction on the connection region. The gate insulation regions have different lengths from each other in the first direction.Type: GrantFiled: January 23, 2020Date of Patent: December 28, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kohji Kanamori, Seo-Goo Kang, Younghwan Son, Kwonsoon Jo
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Patent number: 11211322Abstract: A plurality of lands is formed apart from each other on a surface of a package substrate. Another plurality of lands is formed apart from each other on a surface of a printed wiring board. The surface of the package substrate and the surface of the printed wiring board face each other. The plurality of lands and another plurality of lands are bonded to each other with solder having a height of 30% or less of a diameter of a solder bonding portion at the corresponding land. A ratio of a solder bonded area of at least each of lands, among another plurality of the lands, of which distance value to a corresponding one of the lands is larger than an average distance value between the lands and another lands, to a solder bonded area of the corresponding one of the lands is 56% or more and 81% or less.Type: GrantFiled: July 25, 2019Date of Patent: December 28, 2021Assignee: Canon Kabushiki KaishaInventor: Kunihiko Minegishi
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Patent number: 11205754Abstract: A method of fabricating a carbon nanotube based device, including forming a trench having a bottom surface and sidewalls on a substrate, selectively depositing a bi-functional compound having two reactive moieties in the trench, wherein a first of the two reactive moieties selectively binds to the bottom surface, converting a second of the two reactive moieties to a diazonium salt; and reacting the diazonium salt with a dispersion of carbon nanotubes to form a carbon nanotube layer bound to the bottom surface of the trench.Type: GrantFiled: February 1, 2019Date of Patent: December 21, 2021Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Ali Afzali-Ardakani, Bharat Kumar, George S. Tulevski
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Patent number: 11195884Abstract: An organic light emitting display is provided. The organic light emitting display includes a first base substrate; a plurality of organic light emitting diodes disposed on the first base substrate; an encapsulation layer disposed on the organic light emitting diodes; and a plurality of first color conversion filters disposed on the encapsulation layer. The encapsulation layer includes: a first sub-inorganic layer disposed on the organic light emitting diodes; a second sub-inorganic layer disposed on the first sub-inorganic layer and having a refractive index different from that of the first sub-inorganic layer; an organic layer disposed on the second sub-inorganic layer; and a third sub-inorganic layer disposed on the organic layer.Type: GrantFiled: December 6, 2019Date of Patent: December 7, 2021Assignee: Samsung Display Co., Ltd.Inventors: Yo Han Kim, Yong Tack Kim, Yoon Hyeung Cho, Jong Jin Park, Deok Chan Yoon, Yun Kyu Lee, Dong Uk Choi
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Patent number: 11189495Abstract: A semiconductor structure and a method for forming the semiconductor structure are provided. The method includes: providing a to-be-etched layer including a first region; forming a first pattern material layer on the to-be-etched layer; forming a sacrificial layer on the first pattern material layer; forming a first opening in the sacrificial layer over the first region, where the first opening exposes a first portion of the first pattern material layer; forming a first doped region in the first pattern material layer using the sacrificial layer as a mask; forming a second opening in the sacrificial layer over the first region, where the second opening exposes a second portion of the first pattern material layer; and forming a second doped region in the first pattern material layer using the sacrificial layer as a mask, where the second doped region is connected with the first doped region.Type: GrantFiled: September 29, 2020Date of Patent: November 30, 2021Assignees: Semiconductor Manufacturing International (Shanghai) Corporation, Semiconductor Manufacturing International (Beijing) CorporationInventors: Yafeng Qian, Ying Li, Lihua Ding, Jiaxi Li, Wendong Liu
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Patent number: 11189798Abstract: A method of fabricating a carbon nanotube based device, including forming a trench having a bottom surface and sidewalls on a substrate, selectively depositing a bi-functional compound having two reactive moieties in the trench, wherein a first of the two reactive moieties selectively binds to the bottom surface, converting a second of the two reactive moieties to a diazonium salt; and reacting the diazonium salt with a dispersion of carbon nanotubes to form a carbon nanotube layer bound to the bottom surface of the trench.Type: GrantFiled: May 29, 2019Date of Patent: November 30, 2021Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Ali Afzali-Ardakani, Bharat Kumar, George S. Tulevski
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Patent number: 11189504Abstract: The present disclosure provides a photoresist stripping device and a photoresist stripping method. The photoresist stripping device including a conveyor belt, a liquid storage tank, a filtering device, a lighting device and a stripping tank. Through disposing a metal-organic framework (MOF) material in a filter element, the MOF material is configured to adsorb a dissolved oxygen of the stripping solution in a visible light environment, thereby reducing the difference in oxygen concentration between the inside and outside of the gap, and alleviating hollowing out phenomenon of copper caused by stripping the photoresist of the substrate. Further, when reaching a saturation step, can heat or emit ultraviolet light to release the dissolved oxygen to make the filter material recyclable.Type: GrantFiled: March 24, 2020Date of Patent: November 30, 2021Inventor: Yuehong Zhang
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Patent number: 11189518Abstract: A method of processing a semiconductor wafer is provided. The method includes providing a semiconductor wafer having a front side and a back side, the semiconductor wafer provided with a circuit layer at the front side and a patterned surface at the back side, forming a sacrificial layer on the back side, mounting a tape on the sacrificial layer, the sacrificial layer isolating the patterned surface from the tape, wherein adhesion strength between the sacrificial layer and the patterned surface is larger than that between the sacrificial layer and the tape, dicing the semiconductor wafer at the back side through the tape, defining individual chips on the semiconductor wafer, and expanding the tape to separate the chips from each other.Type: GrantFiled: November 15, 2019Date of Patent: November 30, 2021Assignee: ADVANCED SEMICONDUCTOR ENGINEERING, INC.Inventors: Yan Ting Shen, Bo Hua Chen, Fu Tang Chu, Wen Han Yang
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Patent number: 11189599Abstract: A package includes a first device die, and a second device die bonded to the first device die through hybrid bonding. The second device die is larger than the first device die. A first isolation region encapsulates the first device die therein. The first device die, the second device die, and the first isolation region form parts of a first package. A third device die is bonded to the first package through hybrid bonding. The third device die is larger than the first package. A second isolation region encapsulates the first package therein. The first package, the third device die, and the second isolation region form parts of a second package.Type: GrantFiled: October 1, 2019Date of Patent: November 30, 2021Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chen-Hua Yu, Sung-Feng Yeh, Ming-Fa Chen