Patents by Inventor Yi-Feng Chang

Yi-Feng 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).

  • Publication number: 20160133619
    Abstract: A semiconductor arrangement includes a well region and a first region disposed within the well region. The first region includes a first conductivity type. The semiconductor arrangement includes a first gate disposed above the well region on a first side of the first region. The first gate includes a first top surface facing away from the well region. The first top surface has a first top surface area. The semiconductor arrangement includes a first gate contact disposed above the first gate. The first gate contact includes a first bottom surface facing towards the well region. The first bottom surface has a first bottom surface area. The first bottom surface area covers at least about two thirds of the first top surface area.
    Type: Application
    Filed: December 30, 2015
    Publication date: May 12, 2016
    Inventors: Ming-Hsiang Song, Jam-Wem Lee, Yi-Feng Chang, Wun-Jie Lin
  • Publication number: 20160093705
    Abstract: A method of forming an integrated circuit device includes forming a gate stack covering a middle portion of a semiconductor fin, forming a gate spacer layer over the gate stack and the semiconductor fin, and patterning the gate spacer layer. The resulting spacers include a gate spacer on a sidewall of the gate stack, and a fin spacer on a sidewall of an end portion of the semiconductor fin. The fin spacer is then etched. When the etching is finished, a height of the fin spacer is smaller than about a half of the height of the semiconductor fin.
    Type: Application
    Filed: December 7, 2015
    Publication date: March 31, 2016
    Inventors: Jam-Wem Lee, Tsung-Che Tsai, Yi-Feng Chang
  • Patent number: 9230961
    Abstract: A semiconductor arrangement includes a well region and a first region disposed within the well region. The first region includes a first conductivity type. The semiconductor arrangement includes a first gate disposed above the well region on a first side of the first region. The first gate includes a first top surface facing away from the well region. The first top surface has a first top surface area. The semiconductor arrangement includes a first gate contact disposed above the first gate. The first gate contact includes a first bottom surface facing towards the well region. The first bottom surface has a first bottom surface area. The first bottom surface area covers at least about two thirds of the first top surface area.
    Type: Grant
    Filed: November 14, 2013
    Date of Patent: January 5, 2016
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Ming-Hsiang Song, Jam-Wem Lee, Yi-Feng Chang, Wun-Jie Hung Lin
  • Patent number: 9224727
    Abstract: An ESD protection apparatus comprises an n-type substrate with a first doping density, a low voltage n-type well in the substrate, a low voltage p-type well in the substrate, a first n-type semiconductor region over the low voltage n-type well and a second n-type semiconductor region over the low voltage p-type well, wherein the first semiconductor region and the second semiconductor region are separated by a first isolation region.
    Type: Grant
    Filed: September 3, 2014
    Date of Patent: December 29, 2015
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Jam-Wem Lee, Yi-Feng Chang
  • Patent number: 9209302
    Abstract: A method of forming an integrated circuit device includes forming a gate stack covering a middle portion of a semiconductor fin, forming a gate spacer layer over the gate stack and the semiconductor fin, and patterning the gate spacer layer. The resulting spacers include a gate spacer on a sidewall of the gate stack, and a fin spacer on a sidewall of an end portion of the semiconductor fin. The fin spacer is then etched. When the etching is finished, a height of the fin spacer is smaller than about a half of the height of the semiconductor fin.
    Type: Grant
    Filed: November 26, 2013
    Date of Patent: December 8, 2015
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Tsung-Che Tsai, Yi-Feng Chang, Jam-Wem Lee
  • Patent number: 9209265
    Abstract: A device includes a semiconductor substrate, and an insulation region extending from a top surface of the semiconductor substrate into the semiconductor substrate. The device further includes a first node and a second node, and an Electro-Static Discharge (ESD) device coupled between the first node and the second node. The ESD device includes a semiconductor fin adjacent to and over a top surface of the insulation region. The ESD device is configured to, in response to an ESD transient on the first node, conduct a current from the first node to the second node.
    Type: Grant
    Filed: November 15, 2012
    Date of Patent: December 8, 2015
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Tsung-Che Tsai, Yi-Feng Chang, Jam-Wem Lee
  • Publication number: 20150295088
    Abstract: An embodiment integrated circuit (e.g., diode) and method of making the same. The embodiment integrated circuit includes a well having a first doping type formed over a substrate having the first doping type, the well including a fin, a source formed over the well on a first side of the fin, the source having a second doping type, a drain formed over the well on a second side of the fin, the drain having the first doping type, and a gate oxide formed over the fin, the gate oxide laterally spaced apart from the source by a back off region of the fin. The integrated circuit is compatible with a FinFET fabrication process.
    Type: Application
    Filed: June 26, 2015
    Publication date: October 15, 2015
    Inventors: Tsung-Che Tsai, Yi-Feng Chang, Jam-Wem Lee
  • Patent number: 9129809
    Abstract: In a silicon-controlled rectifier, an anode region includes p-type anode well regions which are laterally surrounded by an n-type well region. A length of a p-type anode well region, as measured in a first direction, is greater than a width of the p-type anode well region, as measured in a second direction perpendicular to the first direction. A p-type well region meets the n-type well region at a junction, wherein the junction extends between the p-type well region and n-type well region in the second direction. A cathode region includes a plurality of n-type cathode well regions which are formed in the p-type well region. A length of an n-type cathode well region, as measured in the first direction, is greater than a width of the n-type cathode well region, as measured in the second direction.
    Type: Grant
    Filed: August 5, 2013
    Date of Patent: September 8, 2015
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventor: Yi-Feng Chang
  • Patent number: 9093492
    Abstract: An embodiment integrated circuit (e.g., diode) and method of making the same. The embodiment integrated circuit includes a well having a first doping type formed over a substrate having the first doping type, the well including a fin, a source formed over the well on a first side of the fin, the source having a second doping type, a drain formed over the well on a second side of the fin, the drain having the first doping type, and a gate oxide formed over the fin, the gate oxide laterally spaced apart from the source by a back off region of the fin. The integrated circuit is compatible with a FinFET fabrication process.
    Type: Grant
    Filed: November 29, 2012
    Date of Patent: July 28, 2015
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Tsung-Che Tsai, Yi-Feng Chang, Jam-Wem Lee
  • Publication number: 20150206814
    Abstract: A fabrication method of a layer structure for mounting a semiconductor device is provided, which includes the steps of: providing a base material, wherein the base material has a conductive layer having a first surface having a plurality of first conductive elements and an opposite second surface having a plurality of second conductive elements, and a first encapsulant formed on the first surface of the conductive layer for encapsulating the first conductive elements; partially removing the conductive layer to form a circuit layer that electrically connects the first conductive elements and the second conductive elements; and forming a second encapsulant on a bottom surface of the first encapsulant for encapsulating the circuit layer and the second conductive elements, thus reducing the fabrication difficulty and increasing the product yield.
    Type: Application
    Filed: May 29, 2014
    Publication date: July 23, 2015
    Applicant: SILICONWARE PRECISION INDUSTRIES CO., LTD.
    Inventors: Fang-Lin Tsai, Yi-Feng Chang, Cheng-Jen Liu, Yi-Min Fu, Hung-Chi Chen
  • Patent number: 9064720
    Abstract: A decoupling capacitor formed from a fin field-effect transistor (FinFET) and method of using the same are provided. An embodiment decoupling capacitor includes a fin field-effect transistor (FinFET) having a semiconductor substrate supporting a gate stack, a source, and a drain, a first terminal coupled to the semiconductor substrate and to the gate stack, the first terminal configured to couple with a first power rail, and a second terminal coupled to the source and to the drain, the second terminal configured to couple with a second power rail having a higher potential than the first power rail.
    Type: Grant
    Filed: January 29, 2013
    Date of Patent: June 23, 2015
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Jam-Wem Lee, Yi-Feng Chang
  • Publication number: 20150129971
    Abstract: A semiconductor arrangement includes a well region and a first region disposed within the well region. The first region includes a first conductivity type. The semiconductor arrangement includes a first gate disposed above the well region on a first side of the first region. The first gate includes a first top surface facing away from the well region. The first top surface has a first top surface area. The semiconductor arrangement includes a first gate contact disposed above the first gate. The first gate contact includes a first bottom surface facing towards the well region. The first bottom surface has a first bottom surface area. The first bottom surface area covers at least about two thirds of the first top surface area.
    Type: Application
    Filed: November 14, 2013
    Publication date: May 14, 2015
    Applicant: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Ming-Hsiang Song, Jam-Wem Lee, Yi-Feng Chang, Wun-Jie Hung Lin
  • Publication number: 20150102484
    Abstract: A package structure is disclosed, which includes: a first substrate; a build-up layer formed on and electrically connected to the first substrate and having a cavity; at least an electronic element disposed in the cavity and electrically connected to the first substrate; a stack member disposed on the build-up layer so as to be stacked on the first substrate; and an encapsulant formed between the build-up layer and the stack member. The build-up layer facilitates to achieve a stand-off effect and prevent solder bridging.
    Type: Application
    Filed: December 20, 2013
    Publication date: April 16, 2015
    Applicant: SILICONWARE PRECISION INDUSTRIES CO., LTD
    Inventors: Chia-Cheng Chen, Ming-Chen Sun, Tzu-Chieh Shen, Liang-yi Hung, Wei-chung Hsiao, Yu-cheng Pai, Shih-Chao Chiu, Don-Son Jiang, Yi-Feng Chang, Lung-Yuan Wang
  • Publication number: 20150044821
    Abstract: A multi-chip stack structure and a method for fabricating the same are provided.
    Type: Application
    Filed: October 27, 2014
    Publication date: February 12, 2015
    Inventors: Chung-Lun Liu, Jung-Pin Huang, Yi-Feng Chang, Chin-Huang Chang
  • Publication number: 20150035007
    Abstract: In a silicon-controlled rectifier, an anode region includes p-type anode well regions which are laterally surrounded by an n-type well region. A length of a p-type anode well region, as measured in a first direction, is greater than a width of the p-type anode well region, as measured in a second direction perpendicular to the first direction. A p-type well region meets the n-type well region at a junction, wherein the junction extends between the p-type well region and n-type well region in the second direction. A cathode region includes a plurality of n-type cathode well regions which are formed in the p-type well region. A length of an n-type cathode well region, as measured in the first direction, is greater than a width of the n-type cathode well region, as measured in the second direction.
    Type: Application
    Filed: August 5, 2013
    Publication date: February 5, 2015
    Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventor: Yi-Feng Chang
  • Publication number: 20140367829
    Abstract: An ESD protection apparatus comprises an n-type substrate with a first doping density, a low voltage n-type well in the substrate, a low voltage p-type well in the substrate, a first n-type semiconductor region over the low voltage n-type well and a second n-type semiconductor region over the low voltage p-type well, wherein the first semiconductor region and the second semiconductor region are separated by a first isolation region.
    Type: Application
    Filed: September 3, 2014
    Publication date: December 18, 2014
    Inventors: Jam-Wem Lee, Yi-Feng Chang
  • Patent number: 8896130
    Abstract: A multi-chip stack structure and a method for fabricating the same are provided.
    Type: Grant
    Filed: November 7, 2008
    Date of Patent: November 25, 2014
    Assignee: Siliconware Precision Industries Co., Ltd.
    Inventors: Chung-Lun Liu, Jung-Pin Huang, Yi-Feng Chang, Chin-Huang Chang
  • Patent number: 8860168
    Abstract: An integrated circuit structure includes a substrate, a semiconductor device supported by the substrate, and a guard ring structure disposed around the semiconductor device, the guard ring structure forming a Schottky junction. In an embodiment, the Schottky junction is formed from a p-type metal contact and an n-type guard ring. In an embodiment, the guard ring structure is electrically coupled to a positive or negative supply voltage.
    Type: Grant
    Filed: September 4, 2012
    Date of Patent: October 14, 2014
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yi-Feng Chang, Jam-Wem Lee
  • Patent number: 8853825
    Abstract: An ESD protection apparatus comprises a substrate, a low voltage p-type well and a low voltage n-type well formed on the substrate. The ESD protection device further comprises a first P+ region formed on the low voltage p-type well and a second P+ region formed on the low voltage n-type well. The first P+ region and the second P+ region are separated by a first isolation region. The breakdown voltage of the ESD protection apparatus is tunable by adjusting the length of the first isolation region.
    Type: Grant
    Filed: September 27, 2011
    Date of Patent: October 7, 2014
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Jam-Wem Lee, Yi-Feng Chang
  • Patent number: 8841696
    Abstract: An SCR includes a first doped region of a first type having a first doping concentration. A first well of the first type and a first well of a second type are disposed in upper areas of the first doped region of the first type such that the first well of the second type is laterally spaced from the first well of the first type by a non-zero distance. A second doped region of the first type has a second doping concentration that is greater than the first doping concentration and is disposed in the first well of the second type to form an anode of the SCR. A first doped region of the second type is disposed in the first well of the first type and forms a cathode of the SCR.
    Type: Grant
    Filed: April 30, 2012
    Date of Patent: September 23, 2014
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Jam-Wem Lee, Yi-Feng Chang