Patents Examined by Nilufa Rahim
  • Patent number: 12713606
    Abstract: A method of making a memory device includes forming an alternating stack of insulating layers and sacrificial material layers, where a silicon oxycarbide liner is interposed between a first sacrificial material layer and a first insulating layer, and the first sacrificial material layer is direct contact with a second insulating layer or a dielectric material layer composed of a silicon oxide material, forming a memory opening through the alternating stack, forming a memory opening fill structure in the memory opening, forming backside recesses by removing the sacrificial material layers selective to the silicon oxycarbide liner, and forming electrically conductive layers in the backside recesses.
    Type: Grant
    Filed: July 21, 2023
    Date of Patent: August 18, 2026
    Assignee: Sandisk Technologies, Inc.
    Inventors: Masanori Tsutsumi, Naohiro Hosoda, Takumi Moriyama, Ryota Suzuki, Takashi Kudo, Nobuyuki Fujimura
  • Patent number: 12704427
    Abstract: The present invention provides a MEMS pressure sensor and a manufacturing method. The pressure is formed by a top cap wafer, a MEMS wafer and a bottom cap wafer. The MEMS wafer comprises a frame and a membrane, the frame defining a cavity. The membrane is suspended by the frame over the cavity. The bottom cap wafer closes the cavity. The top cap wafer has a recess defining with the membrane a capacitance gap. The top cap wafer comprises a top cap electrode located over the membrane and forming, together with the membrane, a capacitor to detect a deflection of the membrane. Electrical contacts on the top cap wafer are connected to the top cap electrode. A vent extends from outside of the sensor into the cavity or the capacitance gap. The pressure sensor can include two cavities and two capacitance gaps to form a differential pressure sensor.
    Type: Grant
    Filed: February 13, 2023
    Date of Patent: August 11, 2026
    Assignee: MEI Micro, Inc.
    Inventors: Robert Mark Boysel, Louis Ross
  • Patent number: 12701828
    Abstract: A solution for fabricating a semiconductor structure and the corresponding semiconductor structure are provided. The semiconductor structure includes a plurality of semiconductor layers grown over a substrate using a set of epitaxial growth periods. During each epitaxial growth period, a first semiconductor layer having one of: a tensile stress or a compressive stress is grown followed by growth of a second semiconductor layer having the other of: the tensile stress or the compressive stress directly on the first semiconductor layer.
    Type: Grant
    Filed: March 16, 2023
    Date of Patent: August 4, 2026
    Assignee: Sensor Electronic Technology, Inc.
    Inventors: Rakesh B. Jain, Mohamed Lachab, Joseph Dion, Brandon Alexander Robinson, Devendra Diwan, Mark Geppert
  • Patent number: 12701776
    Abstract: A power device comprising a substrate, a first wide bandgap semiconductor material positioned over the substrate, wherein the substrate comprises a second wide bandgap semiconductor material different from the first bandgap semiconductor material, a high voltage transistor formed in the first wide bandgap semiconductor material, and a high voltage diode associated with the substrate, wherein at least part of the high voltage diode is positioned below at least part of the high voltage transistor. The high voltage diode comprises a drift region, the drift region formed in the second-wide bandgap material.
    Type: Grant
    Filed: May 26, 2023
    Date of Patent: August 4, 2026
    Assignee: CAMBRIDGE GAN DEVICES LIMITED
    Inventors: Florin Udrea, Loizos Efthymiou
  • Patent number: 12701976
    Abstract: A method of forming a semiconductor structure includes forming an etch stop layer on a substrate, forming a metal oxide layer over the etch stop layer, and forming an interlayer dielectric (ILD) layer on the metal oxide layer. The method further includes forming a trench etch opening over the ILD layer, forming a capping layer over the trench etch opening, and forming a via etch opening over the capping layer.
    Type: Grant
    Filed: July 31, 2023
    Date of Patent: August 4, 2026
    Inventors: Yu Lun Ke, Yu-Wei Kuo, Yi-Wei Chiu, Hung Jui Chang
  • Patent number: 12696744
    Abstract: Photolithography overlay errors are a source of patterning defects, which contribute to low wafer yield. An interconnect formation process that employs a patterning photolithography/etch process with self-aligned interconnects is disclosed herein. The interconnection formation process, among other things, improves a photolithography overlay (OVL) margin since alignment is accomplished on a wider pattern. In addition, the patterning photolithography/etch process supports multi-metal gap fill and low-k dielectric formation with voids.
    Type: Grant
    Filed: November 20, 2023
    Date of Patent: July 28, 2026
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Tai-I Yang, Wei-Chen Chu, Hsiang-Wei Liu, Shau-Lin Shue, Li-Lin Su, Yung-Hsu Wu
  • Patent number: 12696566
    Abstract: An image sensor includes a substrate having a plurality of first pixel regions configured to generate image information and a plurality of second pixel regions configured to detect phase information, a grid pattern on the substrate and dividing a plurality of spaces corresponding to each of the plurality of first pixel regions and the plurality of second pixel regions. The image sensor also includes a plurality of color filters respectively in first spaces of the plurality of spaces, excluding second spaces corresponding to the plurality of second pixel regions, a plurality of polarization patterns respectively in the second spaces and partitioning the second spaces, and a microlens layer including a plurality of first microlenses respectively on the plurality of color filters.
    Type: Grant
    Filed: June 9, 2023
    Date of Patent: July 28, 2026
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sanghoon Kim, Jonguk Kim, Heegeun Jeong
  • Patent number: 12690294
    Abstract: An epitaxial structure including a first epitaxial layer, a second epitaxial layer, and an interface treatment layer is provided. The first epitaxial layer is an ohmic contact layer. The second epitaxial layer is disposed on the first epitaxial layer and is a phosphide compound layer, where a material of the second epitaxial layer is different from a material of the first epitaxial layer. The interface treatment layer contacts the first epitaxial layer and the second epitaxial layer and is located between the first epitaxial layer and the second epitaxial layer. An image contrast ratio of a transmission electron microscope (TEM) of the interface treatment layer to the first epitaxial layer and an image contrast ratio of the TEM of the interface treatment layer to the second epitaxial layer are both greater than 1.005. A method for forming an epitaxial structure is also provided.
    Type: Grant
    Filed: November 18, 2022
    Date of Patent: July 21, 2026
    Assignee: PlayNitride Display Co., Ltd.
    Inventors: Hsin-Chiao Fang, Shen-Jie Wang, Yen-Lin Lai
  • Patent number: 12684899
    Abstract: A III-nitride LED with simultaneous visible and ultraviolet (UV) emission, in which the visible emission is due to conventional InGaN active region mechanisms and the UV emission occurs due to Auger carrier injection into a UV light emitting region, such as impurity-doped AlGaN. The primary application for the III-nitride LED is general airborne pathogen inactivation to prevent the transmission of airborne-mediated pathogens while being safe for humans.
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: July 14, 2026
    Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Vincent Rienzi, Christian J. Zollner, Steven P. DenBaars, Shuji Nakamura
  • Patent number: 12677544
    Abstract: A display device includes an active layer, a gate electrode on the active layer, a conductive layer on the gate electrode and connected to the active layer, a pixel electrode which is on the conductive layer and connected to the conductive layer, and a connection electrode which connects the conductive layer connected to the active layer, to the pixel electrode. The connection electrode which connects the conductive layer connected to the active layer, to the pixel electrode, has a tensile strength less than or equal to a tensile strength of the active layer.
    Type: Grant
    Filed: May 18, 2023
    Date of Patent: July 7, 2026
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Sungeun Lee
  • Patent number: 12672407
    Abstract: A method for manufacturing a display device is provided. The method includes: placing a light emitting element on a substrate including cell areas; placing an insulating layer on the light emitting element; and separating the cell areas from each other. Light emitting panels are located on the substrate, correspond to each of the cell areas, and include the light emitting element. The separating of the cell areas from each other includes electrically separating the light emitting panels from each other. The electrically separating the light emitting panels from each other is performed after the placing of the insulating layer.
    Type: Grant
    Filed: January 17, 2023
    Date of Patent: June 30, 2026
    Assignee: Samsung Display Co., Ltd.
    Inventors: Myeong Su So, Myeong Hee Kim, Ji Eun Park
  • Patent number: 12660577
    Abstract: Methods of forming line-end extensions and devices having line-end extensions are provided. In some embodiments, a method includes forming a patterned photoresist on a first region of a hard mask layer. A line-end extension region is formed in the hard mask layer. The line-end extension region extends laterally outward from an end of the first region of the hard mask layer. The line-end extension region may be formed by changing a physical property of the hard mask layer at the line-end extension region.
    Type: Grant
    Filed: November 21, 2023
    Date of Patent: June 16, 2026
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Chih-Min Hsiao, Chien-Wen Lai, Ru-Gun Liu, Chih-Ming Lai, Shih-Ming Chang, Yung-Sung Yen, Yu-Chen Chang
  • Patent number: 12652877
    Abstract: An image sensor includes a first unit. The first unit includes a first photodiode having a first dimension, a second photodiode disposed adjacent the first photodiode and having a second dimension that is greater than the first dimension, a first color filter overlapping the first photodiode and the second photodiode, and a first internal reflector disposed in the first color filter and overlapping the first photodiode. The first internal reflector has an inclined light receiving surface inclined from a top surface of the first color filter toward the second photodiode, and a refraction index of the first internal reflector is smaller than a refraction index of the first color filter.
    Type: Grant
    Filed: February 14, 2023
    Date of Patent: June 9, 2026
    Assignee: VisEra Technologies Company Ltd.
    Inventors: Hao-Wei Liu, Sheng-Chuan Cheng, Ching-Chiang Wu
  • Patent number: 12638492
    Abstract: A semiconductor package includes a base film having a first mount section, a first folding section, a second folding section, and a second mount section. A first semiconductor chip is disposed on the first mount section of the base film. A second semiconductor chip is disposed on the second mount section of the base film. Test pads are disposed on the first or second folding sections of the base film and is connected to each of the first and second semiconductor chips. Connection pads are disposed on the first or second mount sections of the base film and are connected to each of the first and second semiconductor chips. The first and second folding sections vertically overlap each other. The test pads are interposed between and buried by the first and second folding sections.
    Type: Grant
    Filed: August 1, 2022
    Date of Patent: May 26, 2026
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seunghyun Cho, Kwanjai Lee, Jae-Min Jung, Jeong-Kyu Ha, Sang-Uk Han
  • Patent number: 12641898
    Abstract: An imaging element, includes a pixel array in which a plurality of pixels including photoelectric conversion elements are arranged in a two-dimensional array, and an optical element array in which optical elements composed of a plurality of columnar structure bodies arranged opposite to a pixel array and guiding incident light to a corresponding photoelectric conversion element are arranged in a two-dimensional array, wherein the plurality of columnar structure bodies are formed in a width having a phase characteristic for guiding light to a photoelectric conversion element directly below a columnar structure body in accordance with an incident angle of the incident light of each columnar structure body when viewed in a plan view and are formed at a same height when viewed in a side view.
    Type: Grant
    Filed: October 12, 2020
    Date of Patent: May 26, 2026
    Assignee: NTT, Inc.
    Inventors: Masashi Miyata, Naru Nemoto, Mitsumasa Nakajima, Toshikazu Hashimoto
  • Patent number: 12635279
    Abstract: An image sensor includes a color unit pixel comprising sub-pixels arranged in an m×n matrix on a substrate, and a pixel isolation structure isolating the sub-pixels from each other in the color unit pixel. The pixel isolation structure includes an outer isolation film surrounding the color unit pixel, at least one inner isolation film including a portion between two sub-pixels, which are adjacent to each other, among the sub-pixels, a doped isolation liner covering opposite sidewalls of the at least one inner isolation film, and at least one doped isolation pillar contacting at least two sub-pixels selected from the sub-pixels. The at least one doped isolation pillar and the at least one inner isolation film are arranged to define a size of a partial region of each of the sub-pixels.
    Type: Grant
    Filed: April 17, 2023
    Date of Patent: May 19, 2026
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Munhwan Kim, Kyungho Lee
  • Patent number: 12628508
    Abstract: Provided is a display substrate. The display substrate includes a base substrate which includes a first surface; a first transistor which includes a first active layer and a first gate insulative layer; a first insulative layer; and a second transistor which includes a second active layer and an orthographic projection of the second active layer on the first surface is staggered from an orthographic projection of the first active layer on the first surface.
    Type: Grant
    Filed: October 12, 2021
    Date of Patent: May 12, 2026
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yuanzheng Guo, Peng Huang, Tao Gao
  • Patent number: 12622179
    Abstract: Disclosed is a magnetic field-free spin-orbit torque switching device including a sapphire miscut substrate. More particularly, a spin-orbit torque switching device according to an embodiment includes a substrate having a step-terrace structure; and an input device formed on the substrate and provided with a heavy metal layer HM and a ferromagnetic layer FM.
    Type: Grant
    Filed: October 19, 2022
    Date of Patent: May 5, 2026
    Assignee: Daegu Gyeongbuk Institute of Science and Technology
    Inventors: Chun Yeol You, Jin A Kim, Su Hyeok An
  • Patent number: 12610796
    Abstract: A structure includes a first air gap including a first opening defined in a first dielectric layer and a second dielectric layer over the first opening and closing an end portion of the first opening. A second air gap may be over at least a portion of the first air gap. The second air gap includes a second opening defined in the second dielectric layer and a third dielectric layer over the second opening and closing an end portion of the second opening. The second air gap has a pointed lower end portion. In another version, the structure includes a first air gap in a first dielectric layer, a second dielectric layer over the first air gap, and a discrete dielectric member positioned in the second dielectric layer and aligned over the first air gap.
    Type: Grant
    Filed: June 9, 2022
    Date of Patent: April 21, 2026
    Assignee: GLOBALFOUNDRIES SINGAPORE PTE LTD
    Inventors: Curtis Chun-I Hsieh, Wei-Hui Hsu, Wanbing Yi, Juan Boon Tan
  • Patent number: 12610817
    Abstract: An integrated circuit assembly may be fabricated to include an integrated circuit device having a backside surface and a metal matrix composite layer on the backside surface, wherein the metal matrix composite layer has a filler material disposed therein to reduce the coefficient of thermal expansion thereof. The filler material may be a plurality of graphitic carbon filler particles, wherein the plurality of graphitic carbon filler particles has an average aspect ratio of greater than about 10, or the filler material may be a plurality of diamond particles, wherein the filler material is clad with a metal material.
    Type: Grant
    Filed: March 2, 2022
    Date of Patent: April 21, 2026
    Assignee: Intel Corporation
    Inventors: Wenhao Li, Feras Eid, Yoshihiro Tomita