Patents by Inventor CHENG HUNG WANG

CHENG HUNG WANG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240145867
    Abstract: A separator for a lithium battery and a method for manufacturing the same are provided. The separator includes a substrate layer and a coating layer. The substrate layer is a polyolefin porous film and has a substrate thickness ranging from 10 to 30 micrometers. The coating layer is coated on the substrate layer, and has a coating layer thickness ranging from 1 to 5 micrometers. The coating layer includes a heat-resistant resin material and a plurality of inorganic ceramic particles glued in the heat-resistant resin material. The heat-resistant resin material has a melting point (Tm) or a glass transition temperature (Tg) of not less than 150° C. An average particle size of the inorganic ceramic particles is 10% to 40% of the coating layer thickness of the coating layer. The inorganic ceramic particles are stacked in the coating layer with a height of at least three layers.
    Type: Application
    Filed: January 17, 2023
    Publication date: May 2, 2024
    Inventors: TE-CHAO LIAO, CHUN-CHE TSAO, CHENG-HUNG CHEN, LI-TING WANG
  • Patent number: 11969236
    Abstract: A wearable device for measuring blood pressure comprises a housing with through-holes formed thereon, a processing unit disposed in the housing, a display connected to the processing unit, a plurality of sensors connected to the processing unit, the sensors being configured to transmit at least one physiological signal to the processing unit via the through-holes, and a time delay structure connected between one of the through-holes and one of the sensors and configured to lengthen a path distance between the skin surface and the sensor, wherein the processing unit is configured to determine a systolic arterial pressure and a diastolic arterial pressure by the at least one physiological signal and a Moens-Korteweg (MK) function, and to control the display to display the systolic arterial pressure and the diastolic arterial pressure to be read by the user.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: April 30, 2024
    Assignee: Accurate Meditech Inc
    Inventors: Kuan Jen Wang, Cheng Yan Guo, Ching-Hung Huang
  • Publication number: 20240103641
    Abstract: In one example, a keyboard housing may include a chassis, a plurality of keys exposed through a top surface of the chassis, and an input device assembly connected to the chassis. The input device assembly may include a flexible touch sensing component to receive a touch input and a support structure. The support structure may include a first portion and a second portion foldable onto the first portion. The first portion and the second portion may support the flexible touch sensing component.
    Type: Application
    Filed: November 6, 2019
    Publication date: March 28, 2024
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Cheng-Han Tsai, Midas Wu, Wen-Hung Wang
  • Patent number: 11935795
    Abstract: Disclosed is a method for forming a crystalline protective polysilicon layer which does not create defective voids during subsequent processes so as to provide effective protection to devices underneath. In one embodiment, a method for forming a semiconductor device, includes: depositing a protective coating on a first polysilicon layer; forming an epitaxial layer on the protective coating; and depositing a second polysilicon layer over the epitaxial layer, wherein the protective coating comprises a third polysilicon layer, wherein the third polysilicon layer is deposited at a first temperature in a range of 600-700 degree Celsius, and wherein the third polysilicon layer in the protect coating is configured to protect the first polysilicon layer when the second polysilicon layer is etched.
    Type: Grant
    Filed: July 28, 2022
    Date of Patent: March 19, 2024
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Cheng-Hung Wang, Tsung-Lin Lee, Wen-Chih Chiang, Kuan-Jung Chen
  • Patent number: 11916131
    Abstract: According to an exemplary embodiment, a method of forming a vertical device is provided. The method includes: providing a protrusion over a substrate; forming an etch stop layer over the protrusion; laterally etching a sidewall of the etch stop layer; forming an insulating layer over the etch stop layer; forming a film layer over the insulating layer and the etch stop layer; performing chemical mechanical polishing on the film layer and exposing the etch stop layer; etching a portion of the etch stop layer to expose a top surface of the protrusion; forming an oxide layer over the protrusion and the film layer; and performing chemical mechanical polishing on the oxide layer and exposing the film layer.
    Type: Grant
    Filed: November 4, 2020
    Date of Patent: February 27, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: De-Fang Chen, Teng-Chun Tsai, Cheng-Tung Lin, Li-Ting Wang, Chun-Hung Lee, Ming-Ching Chang, Huan-Just Lin
  • Patent number: 11916314
    Abstract: A mobile device includes a housing, a first radiation element, a second radiation element, a third radiation element, a first switch element, and a second switch element. The first radiation element has a first feeding point. The second radiation element has a second feeding point. The first radiation element, the second radiation element, and the third radiation element are distributed over the housing. The first switch element is closed or open, so as to selectively couple the first radiation element to the third radiation element. The second switch element is closed or open, so as to selectively couple the second radiation element to the third radiation element. An antenna structure is formed by the first radiation element, the second radiation element, and the third radiation element.
    Type: Grant
    Filed: May 12, 2022
    Date of Patent: February 27, 2024
    Assignee: HTC Corporation
    Inventors: Cheng-Hung Lin, Szu-Po Wang, Chia-Te Chien, Chun-Chieh Wang, Kang-Ling Li, Chun-Hsien Lee, Yu-Chieh Chiu
  • Patent number: 11894381
    Abstract: Structures and methods for trench isolation are disclosed. In one example, a silicon-on-insulator (SOI) structure is disclosed. The SOI structure includes: a substrate, a dielectric layer and a polysilicon region. The substrate includes: a handle layer, an insulation layer arranged over the handle layer, a buried layer arranged over the insulation layer, and a trench extending downward from an upper surface of the buried layer and terminating in the handle layer. The dielectric layer is located on a bottom surface of the trench and contacting the handle layer. The polysilicon region is located in the trench and contacting the dielectric layer.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: February 6, 2024
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Kuan-Jung Chen, Tsung-Lin Lee, Chung-Ming Lin, Wen-Chih Chiang, Cheng-Hung Wang
  • Publication number: 20230282552
    Abstract: Structures and methods for reducing process charging damages are disclosed. In one example, a silicon-on-insulator (SOI) structure is disclosed. The SOI structure includes: a substrate, a polysilicon region and an etch stop layer. The substrate includes: a handle layer, an insulation layer arranged over the handle layer, and a buried layer arranged over the insulation layer. The polysilicon region extends downward from an upper surface of the buried layer and terminates in the handle layer. The etch stop layer is located on the substrate. The etch stop layer is in contact with both the substrate and the polysilicon region.
    Type: Application
    Filed: May 12, 2023
    Publication date: September 7, 2023
    Inventors: Kuan-Jung CHEN, Cheng-Hung Wang, Tsung-Lin Lee, Shiuan-Jeng Lin, Chun-Ming Lin, Wen-Chih Chiang
  • Patent number: 11688666
    Abstract: Structures and methods for reducing process charging damages are disclosed. In one example, a silicon-on-insulator (SOI) structure is disclosed. The SOI structure includes: a substrate, a polysilicon region and an etch stop layer. The substrate includes: a handle layer, an insulation layer arranged over the handle layer, and a buried layer arranged over the insulation layer. The polysilicon region extends downward from an upper surface of the buried layer and terminates in the handle layer. The etch stop layer is located on the substrate. The etch stop layer is in contact with both the substrate and the polysilicon region.
    Type: Grant
    Filed: June 1, 2021
    Date of Patent: June 27, 2023
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Kuan-Jung Chen, Cheng-Hung Wang, Tsung-Lin Lee, Shiuan-Jeng Lin, Chun-Ming Lin, Wen-Chih Chiang
  • Patent number: 11508628
    Abstract: Disclosed is a method for forming a crystalline protective polysilicon layer which does not create defective voids during subsequent processes so as to provide effective protection to devices underneath. In one embodiment, a method for forming a semiconductor device, includes: depositing a protective coating on a first polysilicon layer; forming an epitaxial layer on the protective coating; and depositing a second polysilicon layer over the epitaxial layer, wherein the protective coating comprises a third polysilicon layer, wherein the third polysilicon layer is deposited at a first temperature in a range of 600-700 degree Celsius, and wherein the third polysilicon layer in the protect coating is configured to protect the first polysilicon layer when the second polysilicon layer is etched.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: November 22, 2022
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Cheng-Hung Wang, Tsung-Lin Lee, Wen-Chih Chiang, Kuan-Jung Chen
  • Publication number: 20220367523
    Abstract: Structures and methods for trench isolation are disclosed. In one example, a silicon-on-insulator (SOI) structure is disclosed. The SOI structure includes: a substrate, a dielectric layer and a polysilicon region. The substrate includes: a handle layer, an insulation layer arranged over the handle layer, a buried layer arranged over the insulation layer, and a trench extending downward from an upper surface of the buried layer and terminating in the handle layer. The dielectric layer is located on a bottom surface of the trench and contacting the handle layer. The polysilicon region is located in the trench and contacting the dielectric layer.
    Type: Application
    Filed: July 28, 2022
    Publication date: November 17, 2022
    Inventors: Kuan-Jung CHEN, Tsung-Lin LEE, Chung-Ming LIN, Wen-Chih CHIANG, Cheng-Hung WANG
  • Publication number: 20220367276
    Abstract: Disclosed is a method for forming a crystalline protective polysilicon layer which does not create defective voids during subsequent processes so as to provide effective protection to devices underneath. In one embodiment, a method for forming a semiconductor device, includes: depositing a protective coating on a first polysilicon layer; forming an epitaxial layer on the protective coating; and depositing a second polysilicon layer over the epitaxial layer, wherein the protective coating comprises a third polysilicon layer, wherein the third polysilicon layer is deposited at a first temperature in a range of 600-700 degree Celsius, and wherein the third polysilicon layer in the protect coating is configured to protect the first polysilicon layer when the second polysilicon layer is etched.
    Type: Application
    Filed: July 28, 2022
    Publication date: November 17, 2022
    Inventors: Cheng-Hung WANG, Tsung-Lin LEE, Wen-Chih CHIANG, Kuan-Jung CHEN
  • Publication number: 20220084887
    Abstract: Disclosed is a method for forming a crystalline protective polysilicon layer which does not create defective voids during subsequent processes so as to provide effective protection to devices underneath. In one embodiment, a method for forming a semiconductor device, includes: depositing a protective coating on a first polysilicon layer; forming an epitaxial layer on the protective coating; and depositing a second polysilicon layer over the epitaxial layer, wherein the protective coating comprises a third polysilicon layer, wherein the third polysilicon layer is deposited at a first temperature in a range of 600-700 degree Celsius, and wherein the third polysilicon layer in the protect coating is configured to protect the first polysilicon layer when the second polysilicon layer is etched.
    Type: Application
    Filed: September 15, 2020
    Publication date: March 17, 2022
    Inventors: Cheng-Hung WANG, Tsung-Lin Lee, Wen-Chih Chiang, Kuan-Jung Chen
  • Publication number: 20210287963
    Abstract: Structures and methods for reducing process charging damages are disclosed. In one example, a silicon-on-insulator (SOI) structure is disclosed. The SOI structure includes: a substrate, a polysilicon region and an etch stop layer. The substrate includes: a handle layer, an insulation layer arranged over the handle layer, and a buried layer arranged over the insulation layer. The polysilicon region extends downward from an upper surface of the buried layer and terminates in the handle layer. The etch stop layer is located on the substrate. The etch stop layer is in contact with both the substrate and the polysilicon region.
    Type: Application
    Filed: June 1, 2021
    Publication date: September 16, 2021
    Inventors: Kuan-Jung Chen, Cheng-Hung Wang, Tsung-Lin Lee, Shiuan-Jeng Lin, Chun-Ming Lin, Wen-Chih Chiang
  • Patent number: 11031320
    Abstract: Structures and methods for reducing process charging damages are disclosed. In one example, a silicon-on-insulator (SOI) structure is disclosed. The SOI structure includes: a substrate, a polysilicon region and an etch stop layer. The substrate includes: a handle layer, an insulation layer arranged over the handle layer, and a buried layer arranged over the insulation layer. The polysilicon region extends downward from an upper surface of the buried layer and terminates in the handle layer. The etch stop layer is located on the substrate. The etch stop layer is in contact with both the substrate and the polysilicon region.
    Type: Grant
    Filed: November 6, 2019
    Date of Patent: June 8, 2021
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Kuan-Jung Chen, Cheng-Hung Wang, Tsung-Lin Lee, Shiuan-Jeng Lin, Chun-Ming Lin, Wen-Chih Chiang
  • Publication number: 20200176359
    Abstract: Structures and methods for reducing process charging damages are disclosed. In one example, a silicon-on-insulator (SOI) structure is disclosed. The SOI structure includes: a substrate, a polysilicon region and an etch stop layer. The substrate includes: a handle layer, an insulation layer arranged over the handle layer, and a buried layer arranged over the insulation layer. The polysilicon region extends downward from an upper surface of the buried layer and terminates in the handle layer. The etch stop layer is located on the substrate. The etch stop layer is in contact with both the substrate and the polysilicon region.
    Type: Application
    Filed: November 6, 2019
    Publication date: June 4, 2020
    Inventors: Kuan-Jung Chen, Cheng-Hung Wang, Tsung-Lin Lee, Shiuan-Jeng Lin, Chun-Ming Lin, Wen-Chih Chiang
  • Publication number: 20200161335
    Abstract: Structures and methods for trench isolation are disclosed. In one example, a silicon-on-insulator (SOI) structure is disclosed. The SOI structure includes: a substrate, a dielectric layer and a polysilicon region. The substrate includes: a handle layer, an insulation layer arranged over the handle layer, a buried layer arranged over the insulation layer, and a trench extending downward from an upper surface of the buried layer and terminating in the handle layer. The dielectric layer is located on a bottom surface of the trench and contacting the handle layer. The polysilicon region is located in the trench and contacting the dielectric layer.
    Type: Application
    Filed: October 28, 2019
    Publication date: May 21, 2020
    Inventors: Kuan-Jung CHEN, Tsung-Lin LEE, Chung-Ming LIN, Wen-Chih CHIANG, Cheng-Hung WANG
  • Patent number: 10395997
    Abstract: The present disclosure relates to a semiconductor process, which includes: (a) providing a semiconductor element; (b) attaching the semiconductor element to a carrier by an adhesive layer, so that the adhesive layer is sandwiched between the semiconductor element and the carrier; and (c) cutting the semiconductor element to form a plurality of semiconductor units. Thereby, the gaps between the semiconductor units are fixed after the cutting process, so as to facilitate testing the semiconductor units.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: August 27, 2019
    Assignee: ADVANCED SEMICONDUCTOR ENGINEERING, INC.
    Inventors: Yu-Cheng Tsao, Cheng-Hung Wang, Chun-Chieh Lin, Hsiu-Hsiung Yang, Yu-Pin Tsai
  • Publication number: 20170125310
    Abstract: The present disclosure relates to a semiconductor process, which includes: (a) providing a semiconductor element; (b) attaching the semiconductor element to a carrier by an adhesive layer, so that the adhesive layer is sandwiched between the semiconductor element and the carrier; and (c) cutting the semiconductor element to form a plurality of semiconductor units. Thereby, the gaps between the semiconductor units are fixed after the cutting process, so as to facilitate testing the semiconductor units.
    Type: Application
    Filed: January 18, 2017
    Publication date: May 4, 2017
    Applicant: ADVANCED SEMICONDUCTOR ENGINEERING, INC.
    Inventors: Yu-Cheng TSAO, Cheng-Hung WANG, Chun-Chieh LIN, Hsiu-Hsiung YANG, Yu-Pin TSAI
  • Patent number: D1021220
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: April 2, 2024
    Assignee: Radiant Opto-Electronics Corporation
    Inventors: Cheng-Ang Chang, Guo-Hao Huang, Chun-Yi Sun, Chih-Hung Ju, Pin-Tsung Wang