Patents by Inventor Chuan-Cheng Cheng

Chuan-Cheng Cheng 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: 20240097619
    Abstract: An apparatus is disclosed for reducing parasitic capacitance. In an example aspect, an apparatus includes an amplifier having a differential cascode configuration. Each stack of the amplifier includes a first transistor configured to operate as an input stage and a second transistor configured to operate as a cascode stage. The first and second transistors each include two channel terminal regions having a doping type that is uniform across the two channel terminal regions. Surfaces of first channel terminal regions of the first and second transistors abut a first and second quantity of electrical contacts, respectively. Second channel terminal regions of the first and second transistors form a floating region at a floating node. Each of the first quantity of electrical contacts and the second quantity of electrical contacts is greater than a third quantity of electrical contacts abutting a surface of the floating region.
    Type: Application
    Filed: September 15, 2022
    Publication date: March 21, 2024
    Inventors: Ranadeep Dutta, Abdellatif Bellaouar, Chuan-Cheng Cheng
  • Patent number: 10784167
    Abstract: In an embodiment, a method comprises: forming a fin feature on a portion of a surface of a substrate; forming a first region of polycrystalline silicon over a first portion of the fin feature; forming a second region of polycrystalline silicon over a second portion of the fin feature; forming a third region of polycrystalline silicon over a third portion of the fin feature, wherein the third region of polycrystalline silicon is disposed between (i) the first region and (ii) the second region; forming a first spacer region between the first region and the third region; forming a second spacer region between the second region and the third region; removing the third region and at least a portion of the fin feature formed under the third region to thereby form a gap; and disposing a second dielectric material into the gap to form an isolation component.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: September 22, 2020
    Assignee: MARVELL ASIA PTE, LTD.
    Inventors: Runzi Chang, Chuan-Cheng Cheng
  • Patent number: 10622491
    Abstract: A metal oxide semiconductor (MOS) varactor includes a first diffusion region of a first polarity and a second diffusion region of the first polarity on a semiconductor substrate. The MOS varactor further includes a channel between the first diffusion region and the second diffusion region on the semiconductor substrate. The channel has a surface dopant concentration less than 4e1017.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: April 14, 2020
    Assignee: QUALCOMM Incorporated
    Inventors: Chuan-Hsing Chen, Chuan-cheng Cheng, Yun Yue, Ye Lu
  • Publication number: 20190393359
    Abstract: A metal oxide semiconductor (MOS) varactor includes a first diffusion region of a first polarity and a second diffusion region of the first polarity on a semiconductor substrate. The MOS varactor further includes a channel between the first diffusion region and the second diffusion region on the semiconductor substrate. The channel has a surface dopant concentration less than 4 e1017.
    Type: Application
    Filed: August 31, 2018
    Publication date: December 26, 2019
    Inventors: Chuan-Hsing CHEN, Chuan-cheng CHENG, Yun YUE, Ye LU
  • Publication number: 20190148236
    Abstract: In an embodiment, a method comprises: forming a fin feature on a portion of a surface of a substrate; forming a first region of polycrystalline silicon over a first portion of the fin feature; forming a second region of polycrystalline silicon over a second portion of the fin feature; forming a third region of polycrystalline silicon over a third portion of the fin feature, wherein the third region of polycrystalline silicon is disposed between (i) the first region and (ii) the second region; forming a first spacer region between the first region and the third region; forming a second spacer region between the second region and the third region; removing the third region and at least a portion of the fin feature formed under the third region to thereby form a gap; and disposing a second dielectric material into the gap to form an isolation component.
    Type: Application
    Filed: December 21, 2018
    Publication date: May 16, 2019
    Applicant: Marvell World Trade Ltd.
    Inventors: Runzi Chang, Chuan-Cheng Cheng
  • Patent number: 10217669
    Abstract: In an embodiment, a method comprises: forming a fin feature on a portion of a surface of a substrate; forming a first region of polycrystalline silicon over a first portion of the fin feature; forming a second region of polycrystalline silicon over a second portion of the fin feature; forming a third region of polycrystalline silicon over a third portion of the fin feature, wherein the third region of polycrystalline silicon is disposed between (i) the first region and (ii) the second region; forming a first spacer region between the first region and the third region; forming a second spacer region between the second region and the third region; removing the third region and at least a portion of the fin feature formed under the third region to thereby form a gap; and disposing a second dielectric material into the gap to form an isolation component.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: February 26, 2019
    Assignee: Marvell World Trade Ltd.
    Inventors: Runzi Chang, Chuan-Cheng Cheng
  • Patent number: 9768144
    Abstract: Embodiments of the present disclosure provide an apparatus comprising a semiconductor substrate having a first surface, a second surface that is disposed opposite to the first surface, wherein at least a portion of the first surface is recessed to form a recessed region of the semiconductor substrate, and one or more vias formed in the recessed region of the semiconductor substrate to provide an electrical or thermal pathway between the first surface and the second surface of the semiconductor substrate, and a die coupled to the semiconductor substrate, the die being electrically coupled to the one or more vias formed in the recessed region of the semiconductor substrate. Other embodiments may be described and/or claimed.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: September 19, 2017
    Assignee: Marvell World Trade Ltd.
    Inventors: Albert Wu, Roawen Chen, Chung Chyung (Justin) Han, Shiann-Ming Liou, Chien-Chuan Wei, Runzi Chang, Scott Wu, Chuan-Cheng Cheng
  • Publication number: 20160329249
    Abstract: In an embodiment, a method comprises: forming a fin feature on a portion of a surface of a substrate; forming a first region of polycrystalline silicon over a first portion of the fin feature; forming a second region of polycrystalline silicon over a second portion of the fin feature; forming a third region of polycrystalline silicon over a third portion of the fin feature, wherein the third region of polycrystalline silicon is disposed between (i) the first region and (ii) the second region; forming a first spacer region between the first region and the third region; forming a second spacer region between the second region and the third region; removing the third region and at least a portion of the fin feature formed under the third region to thereby form a gap; and disposing a second dielectric material into the gap to form an isolation component.
    Type: Application
    Filed: July 15, 2016
    Publication date: November 10, 2016
    Inventors: Runzi Chang, Chuan-Cheng Cheng
  • Patent number: 9397218
    Abstract: Embodiments include a semiconductor device comprising: a gate layer comprising (i) a first section and (ii) a second section, wherein the gate layer is non-linear such that the first section of the gate layer is offset with respect to the second section of the gate layer; and a first contact and a second contact, wherein the first section of the gate layer is at (i) a first distance from the first contact and (ii) a second distance from the second contact, wherein the first distance is different from the second distance.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: July 19, 2016
    Assignee: Marvell World Trade Ltd.
    Inventors: Chuan-Cheng Cheng, Runzi Chang
  • Patent number: 9391045
    Abstract: Embodiments of the present disclosure provide a method, comprising providing a semiconductor substrate having (i) a first surface and (ii) a second surface that is disposed opposite to the first surface, forming one or more vias in the first surface of the semiconductor substrate, the one or more vias initially passing through only a portion of the semiconductor substrate without reaching the second surface, forming a dielectric film on the first surface of the semiconductor substrate, forming a redistribution layer on the dielectric film, the redistribution layer being electrically coupled to the one or more vias, coupling one or more dies to the redistribution layer, forming a molding compound to encapsulate at least a portion of the one or more dies, and recessing the second surface of the semiconductor substrate to expose the one or more vias. Other embodiments may be described and/or claimed.
    Type: Grant
    Filed: May 18, 2015
    Date of Patent: July 12, 2016
    Assignee: Marvell World Trade Ltd.
    Inventors: Albert Wu, Roawen Chen, Chung Chyung (Justin) Han, Shiann-Ming Liou, Chien-Chuan Wei, Runzi Chang, Scott Wu, Chuan-Cheng Cheng
  • Publication number: 20160155732
    Abstract: Embodiments of the present disclosure provide an apparatus comprising a semiconductor substrate having a first surface, a second surface that is disposed opposite to the first surface, wherein at least a portion of the first surface is recessed to form a recessed region of the semiconductor substrate, and one or more vias formed in the recessed region of the semiconductor substrate to provide an electrical or thermal pathway between the first surface and the second surface of the semiconductor substrate, and a die coupled to the semiconductor substrate, the die being electrically coupled to the one or more vias formed in the recessed region of the semiconductor substrate. Other embodiments may be described and/or claimed.
    Type: Application
    Filed: February 5, 2016
    Publication date: June 2, 2016
    Inventors: Albert Wu, Roawen Chen, Chung Chyung (Justin) Han, Shiann-Ming Liou, Chien-Chuan Wei, Runzi Chang, Scott Wu, Chuan-Cheng Cheng
  • Patent number: 9275985
    Abstract: An apparatus including a resistor capacitor network that includes an integrated high resistance resistor on top of a MOS capacitor. The resistor capacitor network includes a metal oxide semiconductor capacitor portion that includes a high-k gate oxide layer. The value of k is in a range of 4.0 to 100.0. The resistor capacitor network further includes a high resistance polysilicon gate layer formed over the high-k gate oxide layer. The resistance of the polysilicon gate layer is in a range of 100 to 2000 ohms per square.
    Type: Grant
    Filed: June 29, 2012
    Date of Patent: March 1, 2016
    Assignee: Marvell International Ltd.
    Inventors: Chuan-Cheng Cheng, Runzi Chang, Bo Wang
  • Patent number: 9275929
    Abstract: Embodiments of the present disclosure provide a method that includes providing a semiconductor substrate comprising a semiconductor material, forming a dielectric layer on the semiconductor substrate, forming an interconnect layer on the dielectric layer, attaching a semiconductor die to the semiconductor substrate, and electrically coupling an active side of the semiconductor die to the interconnect layer, the interconnect layer to route electrical signals of the semiconductor die. Other embodiments may be described and/or claimed.
    Type: Grant
    Filed: April 3, 2015
    Date of Patent: March 1, 2016
    Assignee: Marvell World Trade Ltd.
    Inventors: Shiann-Ming Liou, Sehat Sutardja, Albert Wu, Chuan-Cheng Cheng, Chien-Chuan Wei
  • Patent number: 9257410
    Abstract: Embodiments of the present disclosure provide an apparatus comprising a semiconductor substrate having a first surface, a second surface that is disposed opposite to the first surface, wherein at least a portion of the first surface is recessed to form a recessed region of the semiconductor substrate, and one or more vias formed in the recessed region of the semiconductor substrate to provide an electrical or thermal pathway between the first surface and the second surface of the semiconductor substrate, and a die coupled to the semiconductor substrate, the die being electrically coupled to the one or more vias formed in the recessed region of the semiconductor substrate. Other embodiments may be described and/or claimed.
    Type: Grant
    Filed: January 24, 2011
    Date of Patent: February 9, 2016
    Assignee: Marvell World Trade Ltd.
    Inventors: Albert Wu, Roawen Chen, Chung Chyung Han, Shiann-Ming Liou, Chien-Chuan Wei, Runzi Chang, Scott Wu, Chuan-Cheng Cheng
  • Publication number: 20150279806
    Abstract: Embodiments of the present disclosure provide a method, comprising providing a semiconductor substrate having (i) a first surface and (ii) a second surface that is disposed opposite to the first surface, forming one or more vias in the first surface of the semiconductor substrate, the one or more vias initially passing through only a portion of the semiconductor substrate without reaching the second surface, forming a dielectric film on the first surface of the semiconductor substrate, forming a redistribution layer on the dielectric film, the redistribution layer being electrically coupled to the one or more vias, coupling one or more dies to the redistribution layer, forming a molding compound to encapsulate at least a portion of the one or more dies, and recessing the second surface of the semiconductor substrate to expose the one or more vias. Other embodiments may be described and/or claimed.
    Type: Application
    Filed: May 18, 2015
    Publication date: October 1, 2015
    Inventors: Albert Wu, Roawen Chen, Chung Chyung (Justin) Han, Shiann-Ming Liou, Chien-Chuan Wei, Runzi Chang, Scott Wu, Chuan-Cheng Cheng
  • Publication number: 20150221577
    Abstract: Embodiments of the present disclosure provide a method that includes providing a semiconductor substrate comprising a semiconductor material, forming a dielectric layer on the semiconductor substrate, forming an interconnect layer on the dielectric layer, attaching a semiconductor die to the semiconductor substrate, and electrically coupling an active side of the semiconductor die to the interconnect layer, the interconnect layer to route electrical signals of the semiconductor die. Other embodiments may be described and/or claimed.
    Type: Application
    Filed: April 3, 2015
    Publication date: August 6, 2015
    Inventors: Shiann-Ming Liou, Sehat Sutardja, Albert Wu, Chuan-Cheng Cheng, Chien-Chuan Wei
  • Publication number: 20150194518
    Abstract: Embodiments include a semiconductor device comprising: a gate layer comprising (i) a first section and (ii) a second section, wherein the gate layer is non-linear such that the first section of the gate layer is offset with respect to the second section of the gate layer; and a first contact and a second contact, wherein the first section of the gate layer is at (i) a first distance from the first contact and (ii) a second distance from the second contact, wherein the first distance is different from the second distance.
    Type: Application
    Filed: December 11, 2014
    Publication date: July 9, 2015
    Inventors: Chuan-Cheng Cheng, Runzi Chang
  • Publication number: 20150155202
    Abstract: Embodiments of the present disclosure provide a chip that comprises a base metal layer formed over a first semiconductor die and a first metal layer formed over the base metal layer. The first metal layer includes a plurality of islands configured to route at least one of (i) a ground signal or (ii) a power signal in the chip. The chip further comprises a second metal layer formed over the first metal layer. The second metal layer includes a plurality of islands configured to route at least one of (i) the ground signal or (ii) the power signal in the chip.
    Type: Application
    Filed: February 3, 2015
    Publication date: June 4, 2015
    Inventors: Sehat Sutardja, Chung Chyung Han, Weidan Li, Shuhua Yu, Chuan-Cheng Cheng, Albert Wu
  • Patent number: 9034730
    Abstract: Embodiments of the present disclosure provide a method, comprising providing a semiconductor substrate having (i) a first surface and (ii) a second surface that is disposed opposite to the first surface, forming one or more vias in the first surface of the semiconductor substrate, the one or more vias initially passing through only a portion of the semiconductor substrate without reaching the second surface, forming a dielectric film on the first surface of the semiconductor substrate, forming a redistribution layer on the dielectric film, the redistribution layer being electrically coupled to the one or more vias, coupling one or more dies to the redistribution layer, forming a molding compound to encapsulate at least a portion of the one or more dies, and recessing the second surface of the semiconductor substrate to expose the one or more vias. Other embodiments may be described and/or claimed.
    Type: Grant
    Filed: January 28, 2011
    Date of Patent: May 19, 2015
    Assignee: Marvell World Trade Ltd.
    Inventors: Albert Wu, Roawen Chen, Chung Chyung Han, Shiann-Ming Liou, Chien-Chuan Wei, Runzi Chang, Scott Wu, Chuan-Cheng Cheng
  • Patent number: 8946890
    Abstract: Embodiments of the present disclosure provide a chip that comprises a base metal layer formed over a first semiconductor die and a first metal layer formed over the base metal layer. The first metal layer includes a plurality of islands configured to route at least one of (i) a ground signal or (ii) a power signal in the chip. The chip further comprises a second metal layer formed over the first metal layer. The second metal layer includes a plurality of islands configured to route at least one of (i) the ground signal or (ii) the power signal in the chip.
    Type: Grant
    Filed: October 19, 2011
    Date of Patent: February 3, 2015
    Assignee: Marvell World Trade Ltd.
    Inventors: Sehat Sutardja, Chung Chyung Han, Weidan Li, Shuhua Yu, Chuan-Cheng Cheng, Albert Wu