Patents by Inventor Ku-Feng Yang

Ku-Feng Yang 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: 9059262
    Abstract: An integrated circuit includes a substrate having a first surface and a second surface. At least one conductive structure continuously extends through the substrate. At least one sidewall of the at least one conductive structure is spaced from a sidewall of the substrate by an air gap.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: June 16, 2015
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Yuan-Hung Liu, Ku-Feng Yang, Pei-Ching Kuo, Ming-Tsu Chung, Hsin-Yu Chen, Tsang-Jiuh Wu, Wen-Chih Chiou
  • Publication number: 20150137360
    Abstract: A device includes a substrate having a front side and a backside, a through-via extending from the backside to the front side of the substrate, and a conductive pad on the backside of the substrate and over the through-via. The conductive pad has a substantially planar top surface. A conductive bump has a non-planar top surface over the substantially planar top surface and aligned to the through-via. The conductive bump and the conductive pad are formed of a same material. No interface is formed between the conductive bump and the conductive pad.
    Type: Application
    Filed: January 28, 2015
    Publication date: May 21, 2015
    Inventors: Yung-Chi Lin, Hsin-Yu Chen, Wen-Chih Chiou, Ku-Feng Yang, Tsang-Jiuh Wu, Jing-Cheng Lin
  • Publication number: 20150137382
    Abstract: An apparatus comprising a substrate with multiple electronic devices. An interconnect structure formed on a first side of the substrate interconnects the electronic devices. Dummy TSVs each extend through the substrate and form an alignment mark on a second side of the substrate. Functional TSVs each extend through the substrate and electrically connect to the electronic devices. A redistribution layer (RDL) formed on the second side of the substrate interconnects ones of the dummy TSVs with ones of the functional TSVs. Step heights of the RDL over the functional TSVs are less than a predetermined value, whereas step heights of the RDL over the dummy TSVs are greater than the predetermined value.
    Type: Application
    Filed: November 15, 2013
    Publication date: May 21, 2015
    Inventors: Ku-Feng Yang, Ming-Tsu Chung, Hong-Ye Shih, Jiung Wu, Chen-Yu Tsai, Hsin-Yu Chen, Tsang-Jiuh Wu, Wen-Chih Chiou
  • Patent number: 9006101
    Abstract: An apparatus comprises an interlayer dielectric layer formed on a first side of a substrate, a first metallization layer formed over the interlayer dielectric layer, wherein the first metallization layer comprises a first metal line and a dielectric layer formed over the first metallization layer, wherein the dielectric layer comprises a metal structure having a bottom surface coplanar with a top surface of the first metal line.
    Type: Grant
    Filed: August 31, 2012
    Date of Patent: April 14, 2015
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hsin-Yu Chen, Ku-Feng Yang, Tasi-Jung Wu, Lin-Chih Huang, Yuan-Hung Liu, Tsang-Jiuh Wu, Wen-Chih Chiou
  • Publication number: 20150061147
    Abstract: A device including a first dielectric layer on a semiconductor substrate, a gate electrode formed in the first dielectric layer, and a through-substrate via (TSV) structure penetrating the first dielectric layer and extending into the semiconductor substrate. The TSV structure includes a conductive layer, a diffusion barrier layer surrounding the conductive layer and an isolation layer surrounding the diffusion barrier layer. A capping layer including cobalt is formed on the top surface of the conductive layer of the TSV structure.
    Type: Application
    Filed: August 28, 2013
    Publication date: March 5, 2015
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yung-Chi Lin, Yen-Hung Chen, Yin-Hua Chen, Ebin Liao, Ku-Feng Yang, Tsang-Jiuh Wu, Wen-Chih Chiou
  • Patent number: 8956966
    Abstract: A device includes a substrate having a front side and a backside, a through-via extending from the backside to the front side of the substrate, and a conductive pad on the backside of the substrate and over the through-via. The conductive pad has a substantially planar top surface. A conductive bump has a non-planar top surface over the substantially planar top surface and aligned to the through-via. The conductive bump and the conductive pad are formed of a same material. No interface is formed between the conductive bump and the conductive pad.
    Type: Grant
    Filed: July 30, 2014
    Date of Patent: February 17, 2015
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yung-Chi Lin, Hsin-Yu Chen, Wen-Chih Chiou, Ku-Feng Yang, Tsang-Jiuh Wu, Jing-Cheng Lin
  • Publication number: 20150035159
    Abstract: A semiconductor device includes a through-substrate via extending from a frontside to a backside of a semiconductor substrate. The through-substrate via includes a concave or a convex portion adjacent to the backside of the semiconductor substrate. An isolation film is formed on the backside of the semiconductor substrate. A conductive layer includes a first portion formed on the concave or convex portion of the through substrate via and a second portion formed on the isolation film. A passivation layer partially covers the conductive layer.
    Type: Application
    Filed: July 31, 2013
    Publication date: February 5, 2015
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yung-Chi Lin, Hsin-Yu Chen, Ming-Tsu Chung, HsiaoYun Lo, Hong-Ye Shih, Chia-Yin Chen, Ku-Feng Yang, Tsang-Jiuh Wu, Wen-Chih Chiou
  • Publication number: 20140342547
    Abstract: A device includes a substrate having a front side and a backside, a through-via extending from the backside to the front side of the substrate, and a conductive pad on the backside of the substrate and over the through-via. The conductive pad has a substantially planar top surface. A conductive bump has a non-planar top surface over the substantially planar top surface and aligned to the through-via. The conductive bump and the conductive pad are formed of a same material. No interface is formed between the conductive bump and the conductive pad.
    Type: Application
    Filed: July 30, 2014
    Publication date: November 20, 2014
    Inventors: Yung-Chi Lin, Hsin-Yu Chen, Wen-Chih Chiou, Ku-Feng Yang, Tsang-Jiuh Wu, Jing-Cheng Lin
  • Publication number: 20140327151
    Abstract: A structure includes a substrate, and an interconnect structure over the substrate. The structure further includes a through-substrate-via (TSV) extending through the interconnect structure and into the substrate, the TSV comprising a conductive material layer. The structure further includes a dielectric layer having a first portion over the interconnect structure and a second portion within the TSV, wherein the first portion and the second portion comprise a same material. The conductive material layer includes a first section separated from substrate by the second portion of the dielectric layer. The conductive material layer further includes a second section over a top surface of the second portion of the dielectric layer. The conductive material layer further includes a third section over the second section, wherein the third section has a width greater than a width of the second section.
    Type: Application
    Filed: July 17, 2014
    Publication date: November 6, 2014
    Inventors: Ku-Feng YANG, Tsang-Jiuh WU, Yi-Hsiu CHEN, Ebin LIAO, Yuan-Hung LIU, Wen-Chih CHIOU
  • Patent number: 8836085
    Abstract: A device includes a substrate having a first surface, and a second surface opposite the first surface. A through-substrate via (TSV) extends from the first surface to the second surface of the substrate. A dielectric layer is disposed over the substrate. A metal pad is disposed in the dielectric layer and physically contacting the TSV, wherein the metal pad and the TSV are formed of a same material, and wherein no layer formed of a material different from the same material is between and spacing the TSV and the metal pad apart from each other.
    Type: Grant
    Filed: September 4, 2013
    Date of Patent: September 16, 2014
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ku-Feng Yang, Yung-Chi Lin, Hung-Pin Chang, Tsang-Jiuh Wu, Wen-Chih Chiou
  • Publication number: 20140232013
    Abstract: A wafer thinning system and method are disclosed that includes grinding away substrate material from a backside of a semiconductor device. A current change is detected in a grinding device responsive to exposure of a first set of device structures through the substrate material, where the grinding is stopped in response to the detected current change. Polishing repairs the surface and continues to remove an additional amount of the substrate material. Exposure of one or more additional sets of device structures through the substrate material is monitored to determine the additional amount of substrate material to remove, where the additional sets of device structures are located in the semiconductor device at a known depth different than the first set.
    Type: Application
    Filed: April 28, 2014
    Publication date: August 21, 2014
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Weng-Jin Wu, Ku-Feng Yang, Hung-Pin Chang, Wen-Chih Chiou, Chen-Hua Yu
  • Patent number: 8803322
    Abstract: The embodiments of forming a through substrate via (TSV) structure described enable reducing risk of damaging gate structures due to over polishing of an inter-level dielectric layer (ILD) layer. The TSV structure with a wider opening near one end also enables better gapfill.
    Type: Grant
    Filed: October 13, 2011
    Date of Patent: August 12, 2014
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ku-Feng Yang, Tsang-Jiuh Wu, Yi-Hsiu Chen, Ebin Liao, Yuan-Hung Liu, Wen-Chih Chiou
  • Patent number: 8803316
    Abstract: A device includes a substrate having a front side and a backside, a through-via extending from the backside to the front side of the substrate, and a conductive pad on the backside of the substrate and over the through-via. The conductive pad has a substantially planar top surface. A conductive bump has a non-planar top surface over the substantially planar top surface and aligned to the through-via. The conductive bump and the conductive pad are formed of a same material. No interface is formed between the conductive bump and the conductive pad.
    Type: Grant
    Filed: December 6, 2011
    Date of Patent: August 12, 2014
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yung-Chi Lin, Hsin-Yu Chen, Wen-Chih Chiou, Ku-Feng Yang, Tsang-Jiuh Wu, Jing-Cheng Lin
  • Publication number: 20140131884
    Abstract: A device include a substrate and an interconnect structure over the substrate. The interconnect structure comprising an inter-layer dielectric (ILD) and a first inter-metal dielectric (IMD) formed over the ILD. A through-substrate via (TSV) is formed at the IMD extending a first depth through the interconnect structure into the substrate. A metallic pad is formed at the IMD adjoining the TSV and extending a second depth into the interconnect structure, wherein the second depth is less than the first depth. Connections to the TSV are made through the metallic pad.
    Type: Application
    Filed: November 15, 2012
    Publication date: May 15, 2014
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Yung-Chi Lin, Yi-Hsiu Chen, Ku-Feng Yang, Wen-Chih Chiou
  • Publication number: 20140110862
    Abstract: A device includes a substrate having a front side and a backside, the backside being opposite the front side. An isolation layer is disposed on the front side of the substrate, wherein first portions of isolation layer and the substrate are in physical contact. A through substrate via (TSV) extends from the front side to the backside of the substrate. An oxide liner is on a sidewall of the TSV. The oxide liner extends between second portions of the substrate and the isolation layer. A dielectric layer having a metal pad is disposed over the isolation layer on the front side of the substrate. The metal pad and the TSV are formed of a same material.
    Type: Application
    Filed: December 31, 2013
    Publication date: April 24, 2014
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Shin-Puu Jeng, Wen-Chih Chiou, Ku-Feng Yang
  • Patent number: 8691664
    Abstract: A method of forming a semiconductor device is presented. A conductor is embedded within a substrate, wherein the substrate contains a non-conducting material. The backside of the substrate is ground to a thickness wherein at least 1 ?m of the non-conducting material remains on the backside covering the conductor embedded within the substrate. Chemical mechanical polishing (CMP) is employed with an undiscerning slurry to the backside of the substrate, thereby planarizing the substrate and exposing the conductive material. A spin wet-etch, with a protective formulation, is employed to remove a thickness y of the non-conducting material from the backside of the substrate, thereby causing the conductive material to uniformly protrude from the backside of the substrate.
    Type: Grant
    Filed: January 11, 2010
    Date of Patent: April 8, 2014
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ku-Feng Yang, Weng-Jin Wu, Wen-Chih Chiou, Jung-Chih Hu
  • Patent number: 8673775
    Abstract: In a method of forming a semiconductor structure, a through-silicon-via (TSV) opening is formed in a substrate. A dielectric layer is formed to continuously extend over the substrate and into the TSV opening. At least one conductive material is formed over the dielectric layer and in the TSV opening. A portion of the at least one conductive material that is over the dielectric layer is removed to form a TSV structure in the substrate. A metallic line is formed in the dielectric layer. A portion of the substrate is removed, such that the TSV structure continuously extends through the substrate and the dielectric layer.
    Type: Grant
    Filed: May 30, 2013
    Date of Patent: March 18, 2014
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Wen-Chih Chiou, Tsang-Jiuh Wu, Ku-Feng Yang, Hsin-Yu Chen
  • Publication number: 20140061924
    Abstract: An apparatus comprises an interlayer dielectric layer formed on a first side of a substrate, a first metallization layer formed over the interlayer dielectric layer, wherein the first metallization layer comprises a first metal line and a dielectric layer formed over the first metallization layer, wherein the dielectric layer comprises a metal structure having a bottom surface coplanr with a top surface of the first metal line.
    Type: Application
    Filed: August 31, 2012
    Publication date: March 6, 2014
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Hsin-Yu Chen, Ku-Feng Yang, Tasi-Jung Wu, Lin-Chih Huang, Yuan-Hung Liu, Tsang-Jiuh Wu, Wen-Chih Chiou
  • Patent number: 8664749
    Abstract: A method of forming integrated circuits includes laminating a patterned film including an opening onto a wafer, wherein a bottom die in the wafer is exposed through the opening. A top die is placed into the opening. The top die fits into the opening with substantially no gap between the patterned film and the top die. The top die is then bonded onto the bottom die, followed by curing the patterned film.
    Type: Grant
    Filed: April 11, 2011
    Date of Patent: March 4, 2014
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Weng-Jin Wu, Hung-Jung Tu, Ku-Feng Yang, Jung-Chih Hu, Wen-Chih Chiou
  • Patent number: 8629565
    Abstract: A thin wafer protection device includes a wafer having a plurality of semiconductor chips. The wafer has a first side and an opposite second side. A plurality of dies is over the first side of the wafer, and at least one of the plurality of dies is bonded to at least one of the plurality of semiconductor chips. A wafer carrier is over the second side of the wafer. An encapsulating layer is over the first side of the wafer and the plurality of dies, and the encapsulating layer has a planar top surface. An adhesive tape is over the planar top surface of the encapsulating layer.
    Type: Grant
    Filed: March 13, 2012
    Date of Patent: January 14, 2014
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ku-Feng Yang, Weng-Jin Wu, Wen-Chih Chiou, Tsung-Ding Wang