Patents Examined by Allen L Parker
  • Patent number: 11542156
    Abstract: A method for forming a microscale device may include growing, by a chemical vapor deposition, a patterned forest of vertically aligned carbon nanotubes, wherein the patterned forest defines a component of the microscale device, and applying a conformal non-metal coating to the vertically aligned carbon nanotubes throughout the patterned forest, wherein the conformal non-metal coating comprises a substantially uniform thickness along a length of the vertically aligned carbon nanotubes.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: January 3, 2023
    Assignee: CNT Holdings, LLC
    Inventors: Robert C. Davis, Richard Vanfleet
  • Patent number: 11538824
    Abstract: Embodiments of a three-dimensional (3D) memory device and method for forming the 3D memory device are provided. In an example, the 3D memory device includes a plurality of conductor layers extending over a substrate, a channel structure vertically extending through the conductor layers to the substrate, and a source structure extending through the conductor layers to the substrate. The channel structure may include a blocking layer having a plurality of blocking portions disconnected from one another. Each of the blocking portions may include (i) a vertical blocking portion under a respective conductor layer, and (ii) at least one lateral blocking portion covering a respective lateral surface of the respective conductor layer. The channel structure may also include a memory layer having a plurality of memory portions disconnected from one another, each of the memory portions under and in contact with the respective vertical blocking portion.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: December 27, 2022
    Assignee: YANGTZE MEMORY TECHNOLOGIES CO., LTD.
    Inventors: Lei Xue, Lan Yao, Chia-Chann Shiue, Xiaoxin Liu
  • Patent number: 11521903
    Abstract: The present disclosure provides a method of measuring a plurality of voids in an underfill material of an underfill package. The method includes operations of obtaining a welding angle profile of the underfill package; obtaining a simulated void profile of the underfill package according to the welding angle profile; determining a plurality of high-risk void regions according to the simulated void profile; simulating, according to a selected pressure and a selected temperature of the underfill material, a first high-risk void region of the plurality of high-risk void regions to generate an updated void profile; and determining whether the updated void profile meets a void requirement of the underfill package.
    Type: Grant
    Filed: December 29, 2021
    Date of Patent: December 6, 2022
    Assignee: CORETECH SYSTEM CO., LTD.
    Inventors: Chien-Ting Wu, Ching-Kai Chou, Kai-Yi Bai, Wei-Yu Lin, Li-Hsuan Shen, Chia-Peng Sun, Chih-Chung Hsu, Rong-Yeu Chang, Chia-Hsiang Hsu
  • Patent number: 11515281
    Abstract: There is provided a bonding material which forms a bonding portion between two objects, which material contains (1) first metal particles comprising a first metal and having a median particle diameter in the range of 20 nm to 1 ?m, and (2) second metal particles comprising, as a second metal, at least one alloy of Sn and at least one selected from Bi, In and Zn and having a melting point of not higher than 200° C.
    Type: Grant
    Filed: April 13, 2020
    Date of Patent: November 29, 2022
    Assignee: PANASONIC HOLDINGS CORPORATION
    Inventors: Akio Furusawa, Shinji Ishitani, Kiyohiro Hine
  • Patent number: 11515326
    Abstract: A memory device includes an alternating stack of insulating layers and electrically conductive layers located over a substrate, a memory opening vertically extending through the alternating stack, and a memory opening fill structure located in the memory opening and including a vertical semiconductor channel and a memory material layer. A vertical stack of insulating material portions can be provided at levels of the insulating layers to provide a laterally-undulating profile to the memory material layer. Alternatively, a combination of inner insulating spacers and outer insulating spacers can be employed to provide a laterally-undulating profile to the memory material layer.
    Type: Grant
    Filed: March 4, 2021
    Date of Patent: November 29, 2022
    Assignee: SANDISK TECHNOLOGIES LLC
    Inventors: Zhixin Cui, Tatsuya Hinoue
  • Patent number: 11515386
    Abstract: A display panel, including a main display area and a light-transmitting display area; wherein the main display area surrounds the light-transmitting display area; the display panel includes: a substrate; an organic electroluminescent element array, including a plurality of organic electroluminescent elements disposed on the substrate; the driving circuit array is disposed on the substrate and is adapted to be matched with a high voltage source and a low voltage source for driving each of the organic light-emitting electroluminescent elements; wherein in the light-transmitting display area, the driving circuit array includes a passive driving circuit array; the passive driving circuit array is configured to drive the organic electroluminescent element of the light-transmitting display area to display.
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: November 29, 2022
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Guowei Zha
  • Patent number: 11515282
    Abstract: Electromagnetic shields for electronic devices, and particularly electromagnetic shields with bonding wires for sub-modules of electronic devices are disclosed. Electronic modules are disclosed that include multiple sub-modules arranged on a substrate with an electromagnetic shield arranged on or over the sub-modules. Bonding wires are disclosed that form one or more bonding wire walls along the substrate. The one or more bonding wire walls may be located between sub-modules of a module and about peripheral boundaries of the module. The electromagnetic shield may be electrically coupled to ground by way of the one or more bonding wire walls. Portions of the electromagnetic shield and the one or more bonding wire walls may form divider walls that are configured to reduce electromagnetic interference between the sub-modules or from external sources.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: November 29, 2022
    Assignee: Qorvo US, Inc.
    Inventors: Kelly M. Lear, Jeffrey Miller, Joseph Edward Geniac, Rommel Quintero
  • Patent number: 11508749
    Abstract: A semiconductor structure includes a first-conductivity-type well located in a semiconductor substrate, a semiconductor active area region located adjacent to the a first-conductivity-type well, a first transistor including a source region, a drain region, a channel region located between the source region and the drain region, a gate dielectric layer located over the channel region and a gate electrode located over the gate dielectric layer, such that the transistor is located on the semiconductor active area region, and a cutoff gate electrode located over the semiconductor active area region, and between the first transistor and the first-conductivity-type well.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: November 22, 2022
    Assignee: SANDISK TECHNOLOGIES LLC
    Inventors: Takuma Takimoto, Masayuki Hiroi, Akira Inoue
  • Patent number: 11502098
    Abstract: Embodiments of structures and methods for forming three-dimensional (3D) memory devices are provided. In an example, a 3D memory device includes a core region and a staircase region. The staircase region includes a plurality of stairs each has at least a conductor/dielectric pair extending in a lateral direction. The staircase region includes a drain-select-gate (DSG) cut structure extending along the lateral direction and a vertical direction, and a plurality of support structures extending in the DSG structure along the vertical direction. Of at least one of the support structures, a dimension along the lateral direction is greater than a dimension along a second lateral direction perpendicular to the lateral direction.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: November 15, 2022
    Assignee: YANGTZE MEMORY TECHNOLOGIES CO., LTD.
    Inventors: Jianzhong Wu, Zongke Xu, Jingjing Geng
  • Patent number: 11476269
    Abstract: Embodiments described herein relate to a method for manufacturing a 1.5T SONOS flash memory. First, a first polysilicon gate layer is deposited and formed on a semiconductor substrate, then a formation area of a memory gate is defined on the first polysilicon gate layer, polysilicon in the formation area of the memory gate is etched away, and etching is stopped on a gate oxide layer. Next, an ONO layer and a second polysilicon gate layer are sequentially deposited, chemical mechanical polishing is performed on the second polysilicon gate layer, the ONO layer remaining on the top of the first polysilicon gate layer is cleaned away, and then gate structures of a logic device and a 1.5T SONOS device are formed at the same time.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: October 18, 2022
    Assignee: Shanghai Huali Integrated Circuit Corporation
    Inventor: Shugang Dai
  • Patent number: 11462554
    Abstract: A semiconductor memory device is disclosed. The device includes a peripheral circuit structure on a substrate, a semiconductor layer on the peripheral circuit structure, an electrode structure on the semiconductor layer, the electrode structure including electrodes stacked on the semiconductor layer, a vertical channel structure penetrating the electrode structure and being connected to the semiconductor layer, a separation structure penetrating the electrode structure, extending in a first direction, and horizontally dividing the electrode of the electrode structure into a pair of electrodes, an interlayered insulating layer covering the electrode structure, and a through contact penetrating the interlayered insulating layer and being electrically connected to the peripheral circuit structure.
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: October 4, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong-Hoon Son, Jae Hoon Kim, Kwang-ho Park, Hyunji Song, Gyeonghee Lee, Seungjae Jung
  • Patent number: 11454820
    Abstract: Disclosed is a cost-effective method to fabricate a multifunctional collimator structure for contact image sensors to filter ambient infrared light to reduce noises. In one embodiment, an optical collimator, includes: a dielectric layer; a substrate; a plurality of via holes; and a conductive layer, wherein the dielectric layer is formed over the substrate, wherein the plurality of via holes are configured as an array along a lateral direction of a first surface of the dielectric layer, wherein each of the plurality of via holes extends through the dielectric layer and the substrate from the first surface of the dielectric layer to a second surface of the substrate in a vertical direction.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: September 27, 2022
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Hsin-Yu Chen, Yen-Chiang Liu, Jiun-Jie Chiou, Jia-Syuan Li, You-Cheng Jhang, Shin-Hua Chen, Lavanya Sanagavarapu, Han-Zong Pan, Chun-Peng Li, Chia-Chun Hung, Ching-Hsiang Hu, Wei-Ding Wu, Jui-Chun Weng, Ji-Hong Chiang, Hsi-Cheng Hsu
  • Patent number: 11456314
    Abstract: A semiconductor device may comprise a stack structure on a substrate, the stack structure including a plurality of dielectric layers and a plurality of transparent conductive oxide layers, the dielectric layers and the transparent conductive oxide layers are alternately stacked, each of the dielectric layers and a corresponding one of the transparent conductive oxide layer adjacent to each other in a vertical direction have equal horizontal widths, and a channel structure extending through the stack structure, the channel structure including an information storage layer, a channel layer inside the information storage layer, and a buried dielectric layer inside the channel layer.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: September 27, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Changsoo Lee, Jongmyeong Lee, Iksoo Kim, Jiwoon Im
  • Patent number: 11456219
    Abstract: A technique relates to a semiconductor device. An N-type field effect transistor (NFET) and a P-type field effect transistor (PFET) each include an inner work function metal, an outer work function metal, a first nanosheet including an inner channel surface having a first threshold voltage, and a second nanosheet including an outer channel surface having a second threshold voltage. The outer work function metal is modified so as to cause the outer channel surface for the second nanosheet to have the second threshold voltage within a predefined amount of the first threshold voltage for the inner channel surface of the first nanosheet, the predefined amount being within about 20 millivolts (mV).
    Type: Grant
    Filed: April 15, 2020
    Date of Patent: September 27, 2022
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Ruqiang Bao, Dechao Guo, Junli Wang, Heng Wu
  • Patent number: 11456382
    Abstract: A transistor device disclosed herein includes, among other things, a gate electrode positioned above a semiconductor material region, a sidewall spacer positioned adjacent the gate electrode, a gate insulation layer having a first portion positioned between the gate electrode and the semiconductor material region and a second portion positioned between a lower portion of the sidewall spacer and the gate electrode along a portion of a sidewall of the gate electrode, an air gap cavity located between the sidewall spacer and the gate electrode and above the second portion of the gate insulation layer, and a gate cap layer positioned above the gate electrode, wherein the gate cap layer seals an upper end of the air gap cavity so as to define an air gap positioned adjacent the gate electrode.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: September 27, 2022
    Assignee: GlobalFoundries U.S. Inc.
    Inventors: Laertis Economikos, Shesh Mani Pandey, Hui Zang, Haiting Wang, Jinping Liu
  • Patent number: 11456411
    Abstract: A method for fabricating a magnetic tunneling junction (MTJ) element is disclosed. A substrate is provided. A reference layer is formed on the substrate. A tunnel barrier layer is formed on the reference layer. A free layer is formed on the tunnel barrier layer. A composite capping layer is formed on the free layer. The composite capping layer comprises an amorphous layer, a light-element sink layer, and/or a diffusion-stop layer. The reference layer, the tunnel barrier layer, the free layer, and the composite capping layer constitute an MTJ stack.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: September 27, 2022
    Assignee: HeFeChip Corporation Limited
    Inventors: Qinli Ma, Wei-Chuan Chen, Youngsuk Choi, Shu-Jen Han
  • Patent number: 11456368
    Abstract: A semiconductor device structure is provided. The semiconductor device structure includes a fin structure formed over a substrate, and a hard mask layer formed over the fin structure. The semiconductor device structure also includes a gate structure formed surrounding the hard mask layer and the fin structure, and a portion of the gate structure is interposed between the fin structure and the hard mask layer. The semiconductor device structure further includes a source/drain (S/D) structure formed adjacent to the gate structure.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: September 27, 2022
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Kuo-Cheng Chiang, Kuan-Ting Pan, Huan-Chieh Su, Shi-Ning Ju, Chih-Hao Wang
  • Patent number: 11437284
    Abstract: Methods of forming and processing semiconductor devices which utilize a three-color hardmask process are described. Certain embodiments relate to the formation of self-aligned contacts for metal gate applications. More particularly, certain embodiments relate to the formation of self-aligned gate contacts through the selective deposition of a fill material.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: September 6, 2022
    Assignee: Applied Materials, Inc.
    Inventors: Wenhui Wang, Huixiong Dai, Christopher S. Ngai
  • Patent number: 11417643
    Abstract: Embodiments relate to packages and methods of forming packages. A package includes a package substrate, a first device die, first electrical connectors, an encapsulant, a redistribution structure, and a second device die. The first device die is attached to a side of the package substrate, and the first electrical connectors are mechanically and electrically coupled to the side of the package substrate. The encapsulant at least laterally encapsulates the first electrical connectors and the first device die. The redistribution structure is on the encapsulant and the first electrical connectors. The redistribution structure is directly coupled to the first electrical connectors. The first device die is disposed between the redistribution structure and the package substrate. The second device die is attached to the redistribution structure by second electrical connectors, and the second electrical connectors are directly coupled to the redistribution structure.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: August 16, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Yu-Chih Liu, Kuan-Lin Ho, Wei-Ting Lin, Chin-Liang Chen, Jing Ruei Lu
  • Patent number: 11387212
    Abstract: The present application discloses a method for transferring a plurality of micro light emitting diodes (micro LEDs) to a target substrate. The method includes providing a first substrate having an array of the plurality of micro LEDs; providing a target substrate having a bonding layer having a plurality of bonding contacts; applying the plurality of bonding contacts with an electrical potential; aligning the plurality of micro LEDs with the plurality of bonding contacts having the electrical potential; and transferring the plurality of micro LEDs in the first substrate onto the target substrate.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: July 12, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Guan Huang, Yijie Huo, Fang Liu