Patents by Inventor Chang Wen

Chang Wen 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: 20210242090
    Abstract: A device includes a substrate; semiconductor fins extending from the substrate; a liner layer on sidewalls of the semiconductor fins; an etch stop layer over the substrate and extending laterally from a first portion of the liner layer on a first one of the semiconductor fins to a second portion of the line layer on a second one of the semiconductor fins; an isolation structure over the etch stop layer, wherein the etch stop layer and the isolation structure include different materials; a gate dielectric layer over a top surface of the isolation structure; and a dielectric feature extending through the gate dielectric layer and into the isolation structure, wherein the isolation structure and the dielectric feature collectively extend laterally from the first portion of the liner layer to the second portion of the line layer.
    Type: Application
    Filed: April 26, 2021
    Publication date: August 5, 2021
    Inventors: Ming-Chang Wen, Chang-Yun Chang, Hsien-Chin Lin, Hung-Kai Chen
  • Patent number: 11075159
    Abstract: Integrated fan-out packages and methods of forming the same are disclosed. An integrated fan-out package includes two dies, an encapsulant, a first metal line and a plurality of dummy vias. The encapsulant is disposed between the two dies. The first metal line is disposed over the two dies and the encapsulant, and electrically connected to the two dies. The plurality of dummy vias is disposed over the encapsulant and aside the first metal line.
    Type: Grant
    Filed: July 16, 2018
    Date of Patent: July 27, 2021
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ching-Yu Huang, Han-Ping Pu, Ming-Kai Liu, Ting-Chu Ko, Yung-Ping Chiang, Chang-Wen Huang, Yu-Sheng Hsieh
  • Publication number: 20210202320
    Abstract: The present disclosure describes fabricating devices with tunable gate height and effective capacitance. A method includes forming a first metal gate stack in a dummy region of a semiconductor substrate, the first metal gate stack including a first work function metal (WFM) layer; forming a second metal gate stack in an active device region of the semiconductor substrate, the second metal gate stack including a second WFM layer different than the first WFM layer; and performing a CMP process using a slurry including a charged abrasive nanoparticles. The charged abrasive nanoparticles include a first concentration in the active device region different from a second concentration in the dummy region causing different polish rates in the active device region and dummy region. After the performing of the CMP process, the first metal gate stack has a first height greater different from a second height of the second metal gate stack.
    Type: Application
    Filed: December 17, 2020
    Publication date: July 1, 2021
    Inventors: Ming-Chang Wen, Chang-Yun Chang, Keng-Yao Chen, Chen-Yu Tai, Yi-Ting Fu
  • Publication number: 20210193530
    Abstract: The embodiments described herein are directed to a method for mitigating the fringing capacitances generated by patterned gate structures. The method includes forming a gate structure on fin structures disposed on a substrate; forming an opening in the gate structure to divide the gate structure into a first section and a second section, where the first and second sections are spaced apart by the opening. The method also includes forming a fill structure in the opening, where forming the fill structure includes depositing a silicon nitride liner in the opening to cover sidewall surfaces of the opening and depositing silicon oxide on the silicon nitride liner.
    Type: Application
    Filed: December 18, 2019
    Publication date: June 24, 2021
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Keng-Yao CHEN, Chang-Yun CHANG, Ming-Chang WEN
  • Patent number: 10991628
    Abstract: A device includes a substrate; semiconductor fins extending from the substrate; an isolation structure over the substrate and laterally between the semiconductor fins; a liner layer between sidewalls of the semiconductor fins and the isolation structure; and an etch stop layer between the substrate and the isolation structure and laterally between the semiconductor fins. The etch stop layer includes a material different than that of the isolation structure and the liner layer.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: April 27, 2021
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Ming-Chang Wen, Chang-Yun Chang, Hsien-Chin Lin, Hung-Kai Chen
  • Patent number: 10978351
    Abstract: A device that includes a substrate; semiconductor fins extending from the substrate; an isolation structure over the substrate and laterally between the semiconductor fins; a liner layer between sidewalls of the semiconductor fins and the isolation structure; and an etch stop layer between the substrate and the isolation structure and laterally between the semiconductor fins. The etch stop layer includes a material different than that of the isolation structure and the liner layer.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: April 13, 2021
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Ming-Chang Wen, Chang-Yun Chang, Hsien-Chin Lin, Hung-Kai Chen
  • Patent number: 10879170
    Abstract: A semiconductor package and a manufacturing method thereof are provided. The semiconductor package includes a semiconductor die, a molding compound, a polymer layer, a conductive trace, a conductive via and an inductor. The semiconductor die is laterally surrounded by the molding compound. The polymer layer covers the semiconductor die and the molding compound. The conductive trace, the conductive via and the inductor are embedded in the polymer layer. The conductive via extends from a top surface of the conductive trace to a top surface of the polymer layer. The inductor has a body portion extending horizontally and a protruding portion protruded from the body portion. A total height of the body and protruding portions is substantially equal to a sum of a thickness of the conductive trace and a height of the conductive via. The height of the body portion is greater than the thickness of the conductive trace.
    Type: Grant
    Filed: April 21, 2019
    Date of Patent: December 29, 2020
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yung-Ping Chiang, Chung-Shi Liu, Han-Ping Pu, Ming-Kai Liu, Ting-Chu Ko, Chang-Wen Huang, Yu-Sheng Hsieh, Ching-Yu Huang
  • Patent number: 10868003
    Abstract: A semiconductor device includes first and second transistors each having a high-k metal gate disposed over a respective channel region of the transistors. The semiconductor device further includes first and second dielectric features in physical contact with an end of the respective high-k metal gates. The first and second transistors are of a same conductivity type. The two high-k metal gates have a same number of material layers. The first transistor's threshold voltage is different from the second transistor's threshold voltage, and at least one of following is true: the two high-k metal gates have different widths, the first and second dielectric features have different distances from respective channel regions of the two transistors, and the first and second dielectric features have different dimensions.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: December 15, 2020
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Ming-Chang Wen, Chang-Yun Chang, Hsien-Chin Lin, Bone-Fong Wu, Ya-Hsiu Lin
  • Publication number: 20200365465
    Abstract: A method of forming a semiconductor device includes forming a gate structure over first and second fins over a substrate; forming an interlayer dielectric layer surrounding first and second fins; etching a first trench in the interlayer dielectric layer between the first and second fins uncovered by the gate structure; forming a helmet layer lining the first trench; and forming a dielectric feature in the first trench.
    Type: Application
    Filed: August 4, 2020
    Publication date: November 19, 2020
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Chang-Yun CHANG, Bone-Fong WU, Ming-Chang WEN, Ya-Hsiu LIN
  • Publication number: 20200355956
    Abstract: A display panel including a first substrate, a second substrate, and a display medium layer, a pixel array structure, and a first spacer that are disposed between the first substrate and the second substrate is provided. The pixel array structure includes a first signal line, and has a first platform region located on the first signal line, a first display region and a first support region located between the first platform region and the first display region. A first platform top surface of the first platform region and the first substrate are spaced by a first distance. A support top surface of the first support region and the first substrate are spaced by a second distance. A display top surface of the first display region and the first substrate are spaced by a third distance. A terminal surface of the first spacer contacts the first platform top surface.
    Type: Application
    Filed: November 20, 2019
    Publication date: November 12, 2020
    Applicant: Au Optronics Corporation
    Inventors: Chi-Ho Chang, An-Cheng Chou, Yu-Chang Wen
  • Publication number: 20200335439
    Abstract: A semiconductor package and a manufacturing method thereof are provided. The semiconductor package includes a semiconductor die, a molding compound, a polymer layer, a conductive trace, a conductive via and an inductor. The semiconductor die is laterally surrounded by the molding compound. The polymer layer covers the semiconductor die and the molding compound. The conductive trace, the conductive via and the inductor are embedded in the polymer layer. The conductive via extends from a top surface of the conductive trace to a top surface of the polymer layer. The inductor has a body portion extending horizontally and a protruding portion protruded from the body portion. A total height of the body and protruding portions is substantially equal to a sum of a thickness of the conductive trace and a height of the conductive via. The height of the body portion is greater than the thickness of the conductive trace.
    Type: Application
    Filed: April 21, 2019
    Publication date: October 22, 2020
    Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Yung-Ping Chiang, Chung-Shi Liu, Han-Ping Pu, Ming-Kai Liu, Ting-Chu Ko, Chang-Wen Huang, Yu-Sheng Hsieh, Ching-Yu Huang
  • Publication number: 20200286887
    Abstract: The alignment mark and method for making the same are described. In one embodiment, a semiconductor structure includes a plurality of gate stacks formed on the semiconductor substrate and configured as an alignment mark; doped features formed in the semiconductor substrate and disposed on sides of each of the plurality of gate stacks; and channel regions underlying the plurality of gate stacks and free of channel dopant.
    Type: Application
    Filed: May 22, 2020
    Publication date: September 10, 2020
    Inventors: Ming-Chang Wen, Chun-Kuang Chen, Hsien-Cheng Wang
  • Patent number: 10741450
    Abstract: A method of forming a semiconductor device includes forming a gate structure over first and second fins over a substrate; forming an interlayer dielectric layer surrounding first and second fins; etching a first trench in the interlayer dielectric layer between the first and second fins uncovered by the gate structure; forming a helmet layer in the first trench; and filling the first trench with a dielectric feature.
    Type: Grant
    Filed: February 9, 2018
    Date of Patent: August 11, 2020
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Chang-Yun Chang, Bone-Fong Wu, Ming-Chang Wen, Ya-Hsiu Lin
  • Publication number: 20200251325
    Abstract: A semiconductor structure includes a substrate, a pair of first fins extending from the substrate, a pair of second fins extending from the substrate, an isolation feature over the substrate and separating bottom portions of the first and the second fins, a pair of first epitaxial semiconductor features over the pair of first fins respectively, a pair of second epitaxial semiconductor features over the pair of second fins respectively, and a first dielectric feature sandwiched between and separating the pair of first epitaxial semiconductor features. The pair of second epitaxial semiconductor features merge with each other.
    Type: Application
    Filed: April 21, 2020
    Publication date: August 6, 2020
    Inventors: Ming-Chang Wen, Chang-Yun Chang, Hsien-Chin Lin, Hung-Kai Chen
  • Patent number: 10665585
    Abstract: The alignment mark and method for making the same are described. In one embodiment, a semiconductor structure includes a plurality of gate stacks formed on the semiconductor substrate and configured as an alignment mark; doped features formed in the semiconductor substrate and disposed on sides of each of the plurality of gate stacks; and channel regions underlying the plurality of gate stacks and free of channel dopant.
    Type: Grant
    Filed: April 6, 2015
    Date of Patent: May 26, 2020
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Ming-Chang Wen, Chun-Kuang Chen, Hsien-Cheng Wang
  • Patent number: 10651030
    Abstract: A semiconductor structure includes a substrate; first and second fins extending from the substrate and oriented lengthwise generally along a first direction; an isolation feature over the substrate and separating bottom portions of the first and the second fins; first and second epitaxial semiconductor features over the first and the second fins, respectively; and a first dielectric feature sandwiched between the first and the second epitaxial semiconductor features. A maximum width of the first dielectric feature is smaller than a width of the isolation feature between the first and the second fins along a second direction perpendicular to the first direction.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: May 12, 2020
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Ming-Chang Wen, Chang-Yun Chang, Hsien-Chin Lin, Hung-Kai Chen
  • Publication number: 20200091008
    Abstract: A device includes a substrate; semiconductor fins extending from the substrate; an isolation structure over the substrate and laterally between the semiconductor fins; a liner layer between sidewalls of the semiconductor fins and the isolation structure; and an etch stop layer between the substrate and the isolation structure and laterally between the semiconductor fins. The etch stop layer includes a material different than that of the isolation structure and the liner layer.
    Type: Application
    Filed: November 21, 2019
    Publication date: March 19, 2020
    Inventors: Ming-Chang Wen, Chang-Yun Chang, Hsien-Chin Lin, Hung-Kai Chen
  • Publication number: 20200075526
    Abstract: Provided are a package structure and a method of manufacturing the same. The method includes the following processes. A die is provided. An encapsulant is formed laterally aside the die. A first dielectric layer is formed on the encapsulant and the die. A first redistribution layer is formed to penetrate through the first dielectric layer to connect to the die, the first redistribution layer includes a first via embedded in the first dielectric layer and a first trace on the first dielectric layer and connected to the first via. The first via and the first trace of the first redistribution layer are formed separately.
    Type: Application
    Filed: November 7, 2019
    Publication date: March 5, 2020
    Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Ming-Kai Liu, Han-Ping Pu, Ting-Chu Ko, Yung-Ping Chiang, Chang-Wen Huang, Yu-Sheng Hsieh
  • Publication number: 20200058650
    Abstract: A semiconductor device includes first and second transistors each having a high-k metal gate disposed over a respective channel region of the transistors. The semiconductor device further includes first and second dielectric features in physical contact with an end of the respective high-k metal gates. The first and second transistors are of a same conductivity type. The two high-k metal gates have a same number of material layers. The first transistor's threshold voltage is different from the second transistor's threshold voltage, and at least one of following is true: the two high-k metal gates have different widths, the first and second dielectric features have different distances from respective channel regions of the two transistors, and the first and second dielectric features have different dimensions.
    Type: Application
    Filed: October 25, 2019
    Publication date: February 20, 2020
    Inventors: Ming-Chang Wen, Chang-Yun Chang, Hsien-Chin Lin, Bone-Fong Wu, Ya-Hsiu Lin
  • Publication number: 20200020628
    Abstract: Integrated fan-out packages and methods of forming the same are disclosed. An integrated fan-out package includes two dies, an encapsulant, a first metal line and a plurality of dummy vias. The encapsulant is disposed between the two dies. The first metal line is disposed over the two dies and the encapsulant, and electrically connected to the two dies. The plurality of dummy vias is disposed over the encapsulant and aside the first metal line.
    Type: Application
    Filed: July 16, 2018
    Publication date: January 16, 2020
    Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Ching-Yu Huang, Han-Ping Pu, Ming-Kai Liu, Ting-Chu Ko, Yung-Ping Chiang, Chang-Wen Huang, Yu-Sheng Hsieh