Patents by Inventor Tsung-Hung Chang

Tsung-Hung Chang 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).

  • Patent number: 11978570
    Abstract: An antioxidant conductive thermal paste and a method of manufacturing the same are provided. The antioxidant conductive thermal paste includes a reactive monomer, a thermosetting resin, a polymerization inhibitor, an electrically conductive filler, and a thixotropic agent. The method consists of the steps of mixing a reactive monomer, a thermosetting resin, and a polymerization inhibitor evenly to get a first polymer mixture, and adding an electrically conductive filler and a thixotropic agent into the first polymer mixture in turn and blending the mixture evenly to obtain an antioxidant conductive thermal paste with good adherence, high electrical conductivity, high thermal conductivity, improved thermal-mechanical fatigue resistance or mechanical fatigue resistance.
    Type: Grant
    Filed: August 21, 2023
    Date of Patent: May 7, 2024
    Assignee: Geckos Technology Corp.
    Inventors: Wei-Chen Chang, Chen-Yen Fan, Ping-Hung Chen, Tsung-Huan Sheng
  • Publication number: 20240142664
    Abstract: Two types of blue light blocking contact lenses are provided and are formed by curing different compositions. The first composition includes a blue light blocking component formed by mixing or reacting a first hydrophilic monomer and a yellow dye, a first colored dye component formed by mixing or reacting a second hydrophilic monomer and a first colored dye, at least one third hydrophilic monomer, a crosslinker, and an initiator. The first colored dye includes a green dye, a cyan dye, a blue dye, an orange dye, a red dye, a black dye, or combinations thereof. The second composition includes a blue light blocking component, at least one hydrophilic monomer, a crosslinker, and an initiator. The blue light blocking component is formed by mixing or reacting glycerol monomethacrylate and a yellow dye. Further, methods for preparing the above contact lenses are provided.
    Type: Application
    Filed: February 12, 2023
    Publication date: May 2, 2024
    Inventors: Han-Yi CHANG, Chun-Han CHEN, Tsung-Kao HSU, Wei-che WANG, Yu-Hung LIN, Wan-Ying GAO, Li-Hao LIU
  • Patent number: 11961629
    Abstract: An antioxidant conductive thermal paste and a method of manufacturing the same are provided. The antioxidant conductive thermal paste includes a reactive monomer, a thermosetting resin, a polymerization inhibitor, an electrically conductive filler, and a thixotropic agent. The method consists of the steps of mixing a reactive monomer, a thermosetting resin, and a polymerization inhibitor evenly to get a first polymer mixture, and adding an electrically conductive filler and a thixotropic agent into the first polymer mixture in turn and blending the mixture evenly to obtain an antioxidant conductive thermal paste with good adherence, high electrical conductivity, high thermal conductivity, improved thermal-mechanical fatigue resistance or mechanical fatigue resistance.
    Type: Grant
    Filed: December 8, 2022
    Date of Patent: April 16, 2024
    Assignee: Geckos Technology Corp.
    Inventors: Wei-Chen Chang, Chen-Yen Fan, Ping-Hung Chen, Tsung-Huan Sheng
  • Publication number: 20240107691
    Abstract: A display device includes first and second display modules and first and second turning pieces that include a first coupling piece, a first turning piece, a second turning piece, and a third turning piece, a second coupling piece and a guiding device. When the first and second display modules are switched between folding and unfolding, the first turning piece pivots relative to the first coupling piece and the second turning piece, and the third turning piece pivots relative to the second coupling piece and the second turning piece. When the display module is switched from folded to unfolded, the other side of the first display module relative to the side is pulled, the side of the first display module is guided by one end of the guiding device and slides to the other end, the first and second display modules are symmetrically unfolded with the side edge as the center.
    Type: Application
    Filed: December 8, 2023
    Publication date: March 28, 2024
    Inventors: CHIEN-FENG CHANG, TSUNG-HUAI LEE, YU-HUNG HSIAO, CHAN-PENG LIN, SHANG-CHIEN WU
  • Publication number: 20240077914
    Abstract: A foldable electronic device includes a first body having an end and a first inclined surface, a second body having a second inclined surface, and a hinge module. The end includes an accommodating area. A virtual shaft line exists between sides of the first inclined surface and the second inclined surface that are closest to each other. The second body rotates relative to the first body through the virtual shaft line. The hinge module includes a first bracket adjacent to the first inclined surface, connected to the first body, and located in the accommodating area, a second bracket adjacent to the second inclined surface and connected to the second body, and a third bracket including a first end and a second end. The first bracket is connected to the first end through a first torsion assembly. The second bracket is connected to the second end through a second torsion assembly.
    Type: Application
    Filed: April 27, 2023
    Publication date: March 7, 2024
    Applicant: ASUSTeK COMPUTER INC.
    Inventors: Chih-Han Chang, Tsung-Ju Chiang, Chi-Hung Lin, Yen-Ting Liu
  • Patent number: 9984974
    Abstract: A method for fabricating semiconductor device first includes providing a substrate and a shallow trench isolation (STI) in the substrate, in which the substrate includes a first metal gate and a second metal gate thereon, a first hard mask on the first metal gate and a second hard mask on the second metal gate, and a first interlayer dielectric (ILD) layer around the first metal gate and the second metal gate. Next, the first hard mask and the second hard mask as mask are utilized to remove part of the first ILD layer for forming a recess, and a patterned metal layer is formed in the recess and on the STI.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: May 29, 2018
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Ching-Ling Lin, Chih-Sen Huang, Ching-Wen Hung, Jia-Rong Wu, Tsung-Hung Chang, Yi-Hui Lee, Yi-Wei Chen
  • Publication number: 20180130742
    Abstract: A method for fabricating semiconductor device first includes providing a substrate and a shallow trench isolation (STI) in the substrate, in which the substrate includes a first metal gate and a second metal gate thereon, a first hard mask on the first metal gate and a second hard mask on the second metal gate, and a first interlayer dielectric (ILD) layer around the first metal gate and the second metal gate. Next, the first hard mask and the second hard mask as mask are utilized to remove part of the first ILD layer for forming a recess, and a patterned metal layer is formed in the recess and on the STI.
    Type: Application
    Filed: January 8, 2018
    Publication date: May 10, 2018
    Inventors: Ching-Ling Lin, Chih-Sen Huang, Ching-Wen Hung, Jia-Rong Wu, Tsung-Hung Chang, Yi-Hui Lee, Yi-Wei Chen
  • Patent number: 9899322
    Abstract: A method for fabricating semiconductor device is disclosed. First, a substrate is provided, in which the substrate includes a first metal gate and a second metal gate thereon, a first hard mask on the first metal gate and a second hard mask on the second metal gate, and a first interlayer dielectric (ILD) layer around the first metal gate and the second metal gate. Next, the first hard mask and the second hard mask are used as mask to remove part of the first ILD layer for forming a recess, and a patterned metal layer is formed in the recess, in which the top surface of the patterned metal layer is lower than the top surfaces of the first hard mask and the second hard mask.
    Type: Grant
    Filed: September 7, 2016
    Date of Patent: February 20, 2018
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Ching-Ling Lin, Chih-Sen Huang, Ching-Wen Hung, Jia-Rong Wu, Tsung-Hung Chang, Yi-Hui Lee, Yi-Wei Chen
  • Patent number: 9564371
    Abstract: A manufacturing method for forming a semiconductor device includes: first, a substrate is provided, a fin structure is formed on the substrate, and a plurality of gate structures are formed on the fin structure, next, a hard mask layer and a first photoresist layer are formed on the fin structure, an first etching process is then performed on the first photoresist layer, afterwards, a plurality of patterned photoresist layers are formed on the remaining first photoresist layer and the remaining hard mask layer, where each patterned photoresist layer is disposed right above each gate structure, and the width of each patterned photoresist is larger than the width of each gate structure, and the patterned photoresist layer is used as a hard mask to perform an second etching process to form a plurality of second trenches.
    Type: Grant
    Filed: October 14, 2014
    Date of Patent: February 7, 2017
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Ching-Wen Hung, Tsung-Hung Chang, Jia-Rong Wu, Ching-Ling Lin, Yi-Hui Lee, Chih-Sen Huang, Yi-Wei Chen
  • Publication number: 20160379931
    Abstract: A method for fabricating semiconductor device is disclosed. First, a substrate is provided, in which the substrate includes a first metal gate and a second metal gate thereon, a first hard mask on the first metal gate and a second hard mask on the second metal gate, and a first interlayer dielectric (ILD) layer around the first metal gate and the second metal gate. Next, the first hard mask and the second hard mask are used as mask to remove part of the first ILD layer for forming a recess, and a patterned metal layer is formed in the recess, in which the top surface of the patterned metal layer is lower than the top surfaces of the first hard mask and the second hard mask.
    Type: Application
    Filed: September 7, 2016
    Publication date: December 29, 2016
    Inventors: Ching-Ling Lin, Chih-Sen Huang, Ching-Wen Hung, Jia-Rong Wu, Tsung-Hung Chang, Yi-Hui Lee, Yi-Wei Chen
  • Patent number: 9466521
    Abstract: A semiconductor device is disclosed. The semiconductor device includes: a substrate; a first metal gate on the substrate; a first hard mask on the first metal gate; an interlayer dielectric (ILD) layer on top of and around the first metal gate; and a patterned metal layer embedded in the ILD layer, in which the top surface of the patterned metal layer is lower than the top surface of the first hard mask.
    Type: Grant
    Filed: September 24, 2014
    Date of Patent: October 11, 2016
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Ching-Ling Lin, Chih-Sen Huang, Ching-Wen Hung, Jia-Rong Wu, Tsung-Hung Chang, Yi-Hui Lee, Yi-Wei Chen
  • Publication number: 20160260613
    Abstract: The present invention provides a semiconductor structure, comprising at least two gate electrodes disposed on a substrate, wherein each gate electrode is mushroom-shaped and respectively has a salicide region on a top of the gate electrode, wherein the width of the salicide region is larger than the width of the gate electrode. A recess is disposed between each gate electrode, wherein the recess has a recess extension disposed under the salicide region. A spacer fills the extension of the recess, wherein the profile of each gate electrode is a tapered surface, and a contact etching stop layer (CESL) covers the gate electrodes.
    Type: Application
    Filed: May 15, 2016
    Publication date: September 8, 2016
    Inventors: Yi-Wei Chen, Tsung-Hung Chang, I-Ming Tseng
  • Patent number: 9324610
    Abstract: A method for fabricating semiconductor device is disclosed. The method includes the steps of: providing a substrate having at least one metal gate thereon, a source/drain region adjacent to two sides of the at least one metal gate, and an interlayer dielectric (ILD) layer around the at least one metal gate; forming a plurality of contact holes in the ILD layer to expose the source/drain region; forming a first metal layer in the contact holes; performing a first thermal treatment process; and performing a second thermal treatment process.
    Type: Grant
    Filed: August 10, 2014
    Date of Patent: April 26, 2016
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Ching-Wen Hung, Jia-Rong Wu, Tsung-Hung Chang, Ching-Ling Lin, Yi-Hui Lee, Chih-Sen Huang, Yi-Wei Chen, Chun-Hsien Lin
  • Patent number: 9318571
    Abstract: A gate structure includes a gate disposed on a substrate, a first spacer disposed on the substrate and surrounding the gate and a second spacer disposed on the first spacer and surrounding the gate, the second spacer is lower than the first spacer.
    Type: Grant
    Filed: February 23, 2009
    Date of Patent: April 19, 2016
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: I-Chang Wang, Ming-Tsung Chen, Ling-Chun Chou, Po-Chao Tsao, Tsung-Hung Chang, Hui-Ling Chen, Cheng-Yen Wu, Chieh-Te Chen, Shin-Chi Chen
  • Publication number: 20160104646
    Abstract: A manufacturing method for forming a semiconductor device includes: first, a substrate is provided, a fin structure is formed on the substrate, and a plurality of gate structures are formed on the fin structure, next, a hard mask layer and a first photoresist layer are formed on the fin structure, an first etching process is then performed on the first photoresist layer, afterwards, a plurality of patterned photoresist layers are formed on the remaining first photoresist layer and the remaining hard mask layer, where each patterned photoresist layer is disposed right above each gate structure, and the width of each patterned photoresist is larger than the width of each gate structure, and the patterned photoresist layer is used as a hard mask to perform an second etching process to form a plurality of second trenches.
    Type: Application
    Filed: October 14, 2014
    Publication date: April 14, 2016
    Inventors: Ching-Wen Hung, Tsung-Hung Chang, Jia-Rong Wu, Ching-Ling Lin, Yi-Hui Lee, Chih-Sen Huang, Yi-Wei Chen
  • Publication number: 20160104612
    Abstract: The method for cleaning a contact hole and forming a contact plug therein is provided. The method includes steps of: providing a silicon substrate; forming a contact hole in the silicon substrate; performing a pre-cleaning process to clean the contact hole; and forming a contact plug in the contact hole. The pre-cleaning process includes steps of: performing an oxide dry etching process; performing a first thermal annealing process with a temperature which is equal to or greater than 300° C.; performing a degassing process with a temperature which is equal to or greater than 300° C.; and performing an Ar-plasma etching process.
    Type: Application
    Filed: October 9, 2014
    Publication date: April 14, 2016
    Applicant: UNITED MICROELECTRONICS CORPORATION
    Inventors: YI-HUI LEE, TSUNG-HUNG CHANG, CHING-WEN HUNG, JIA-RONG WU, CHING-LING LIN, CHIH-SEN HUANG, YI-WEI CHEN, CHIA-CHANG HSU, SHU-MIN HUANG, HSIN-FU HUANG
  • Patent number: 9312121
    Abstract: The method for cleaning a contact hole and forming a contact plug therein is provided. The method includes steps of: providing a silicon substrate; forming a contact hole in the silicon substrate; performing a pre-cleaning process to clean the contact hole; and forming a contact plug in the contact hole. The pre-cleaning process includes steps of: performing an oxide dry etching process; performing a first thermal annealing process with a temperature which is equal to or greater than 300° C.; performing a degassing process with a temperature which is equal to or greater than 300° C.; and performing an Ar-plasma etching process.
    Type: Grant
    Filed: October 9, 2014
    Date of Patent: April 12, 2016
    Assignee: UNITED MICROELECTRONICS CORPORATION
    Inventors: Yi-Hui Lee, Tsung-Hung Chang, Ching-Wen Hung, Jia-Rong Wu, Ching-Ling Lin, Chih-Sen Huang, Yi-Wei Chen, Chia-Chang Hsu, Shu-Min Huang, Hsin-Fu Huang
  • Publication number: 20160071800
    Abstract: A semiconductor structure including a dielectric layer, a titanium layer, a titanium nitride layer and a metal is provided. The dielectric layer is disposed on a substrate, wherein the dielectric layer has a via. The titanium layer covers the via, wherein the titanium layer has tensile stress lower than 1500 Mpa. The titanium nitride layer conformally covers the titanium layer. The metal fills the via. The present invention also provides a semiconductor process for forming said semiconductor structure. The semiconductor process includes the following steps. A dielectric layer is formed on a substrate, wherein the dielectric has a via. A titanium layer conformally covers the via, wherein the titanium layer has compressive stress lower than 500 Mpa. A titanium nitride layer is formed to conformally cover the titanium layer. A metal fills the via.
    Type: Application
    Filed: October 14, 2014
    Publication date: March 10, 2016
    Inventors: Ching-Wen Hung, Tsung-Hung Chang, Yi-Hui Lee, Chih-Sen Huang, Yi-Wei Chen, Chia Chang Hsu, Hsin-Fu Huang, Chun-Yuan Wu, Shih-Fang Tzou
  • Publication number: 20160064327
    Abstract: A semiconductor device is disclosed. The semiconductor device includes: a substrate; a first metal gate on the substrate; a first hard mask on the first metal gate; an interlayer dielectric (ILD) layer on top of and around the first metal gate; and a patterned metal layer embedded in the ILD layer, in which the top surface of the patterned metal layer is lower than the top surface of the first hard mask.
    Type: Application
    Filed: September 24, 2014
    Publication date: March 3, 2016
    Inventors: Ching-Ling Lin, Chih-Sen Huang, Ching-Wen Hung, Jia-Rong Wu, Tsung-Hung Chang, Yi-Hui Lee, Yi-Wei Chen
  • Patent number: 9263392
    Abstract: A method for fabricating semiconductor device is disclosed. The method includes the steps of: providing a substrate having a metal gate thereon and an interlayer dielectric (ILD) layer around the metal gate; removing part of the metal gate to form a recess; and depositing a mask layer in the recess and on the ILD layer while forming a void in the recess.
    Type: Grant
    Filed: October 30, 2014
    Date of Patent: February 16, 2016
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Ching-Ling Lin, Chih-Sen Huang, Ching-Wen Hung, Jia-Rong Wu, Tsung-Hung Chang, Yi-Hui Lee, Yi-Wei Chen