Patents by Inventor Hung-Der Su

Hung-Der Su 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: 11777302
    Abstract: A leakage current blocking circuit and a leakage current blocking method for a decoupling capacitor are provided. A first end of the decoupling capacitor is coupled to a power voltage. The leakage current blocking circuit is coupled between a second end of the decoupling capacitor and a ground voltage, and the leakage current blocking circuit includes at least one switch. The at least one switch is used to provide a channel for the decoupling capacitor to be coupled to the ground voltage when the decoupling capacitor is not damaged, and when the decoupling capacitor is damaged, the at least one switch is turned off to block a leakage current of the decoupling capacitor.
    Type: Grant
    Filed: July 16, 2021
    Date of Patent: October 3, 2023
    Assignee: REALTEK SEMICONDUCTOR CORP.
    Inventor: Hung-Der Su
  • Publication number: 20230116315
    Abstract: A FinFET with discontinuous channel regions includes M gate-end structure(s), N drain-end structure(s), and a conducting structure. Each gate-end structure includes: a first channel structure including a source region and a first channel region; and a gate structure formed on a surface of the first channel region. Each drain-end structure includes: a second channel structure including a second channel region and a drain region, wherein the second channel region and the first channel region are discontinuous; and a reduced-surface-field structure formed on a surface of the second channel region. The conducting structure couples the first channel region of one of the M gate-end structure(s) with the second channel region of one of the N drain-end structure(s). The FinFET is characterized by a high withstand voltage and a low on-state resistance.
    Type: Application
    Filed: September 28, 2022
    Publication date: April 13, 2023
    Inventor: HUNG-DER SU
  • Publication number: 20220209523
    Abstract: A leakage current blocking circuit and a leakage current blocking method for a decoupling capacitor are provided. A first end of the decoupling capacitor is coupled to a power voltage. The leakage current blocking circuit is coupled to between a second end of the decoupling capacitor and a ground voltage, and the leakage current blocking circuit includes at least one switch. The at least one switch is used to provide a channel for the decoupling capacitor to be coupled to the ground voltage when the decoupling capacitor is not damaged, and when the decoupling capacitor is damaged, the at least one switch is closed to block a leakage current of the decoupling capacitor.
    Type: Application
    Filed: July 16, 2021
    Publication date: June 30, 2022
    Inventor: HUNG-DER SU
  • Patent number: 11243181
    Abstract: The invention provides a bio-detection device, including a carrier, a plurality of spacers, an electronic circuit, and a package layer, wherein an open platform is formed. The carrier includes a test region and a signal transmission wiring, wherein the test region is configured to carry a fluid under test. The spacers are located on the test region and electrically connected to two different voltage levels to form a capacitor for sensing a capacitance of the fluid. The spacers are connected to the signal transmission wiring. The electronic circuit receives and processes a sensing signal corresponding to the capacitance of the fluid. The package layer covers a portion of the carrier but does not cover the test region. The open platform is formed whereby a user can easily put in the fluid. The open platform has a bottom which includes the test region, and an area of the open platform is defined by the spacers and the package layer.
    Type: Grant
    Filed: February 4, 2020
    Date of Patent: February 8, 2022
    Assignee: RICHTEK TECHNOLOGY CORPORATION
    Inventors: Yu-Lin Yang, Chun-Hao Chang, Min-Da Wu, Hung-Der Su, Da-Hong Qian
  • Publication number: 20200173948
    Abstract: The invention provides a bio-detection device, including a carrier, a plurality of spacers, an electronic circuit, and a package layer, wherein an open platform is formed. The carrier includes a test region and a signal transmission wiring, wherein the test region is configured to carry a fluid under test. The spacers are located on the test region and electrically connected to two different voltage levels to form a capacitor for sensing a capacitance of the fluid. The spacers are connected to the signal transmission wiring. The electronic circuit receives and processes a sensing signal corresponding to the capacitance of the fluid. The package layer covers a portion of the carrier but does not cover the test region. The open platform is formed whereby a user can easily put in the fluid. The open platform has a bottom which includes the test region, and an area of the open platform is defined by the spacers and the package layer.
    Type: Application
    Filed: February 4, 2020
    Publication date: June 4, 2020
    Inventors: Yu-Lin Yang, Chun-Hao Chang, Min-Da Wu, Hung-Der Su, Da-Hong Qian
  • Patent number: 10591434
    Abstract: The invention provides a bio-detection device, including a carrier, a plurality of spacers, an electronic circuit, and a package layer, wherein an open platform is formed. The carrier includes a test region and a signal transmission wiring, wherein the test region is configured to carry a fluid under test. The spacers are located on the test region and electrically connected to two different voltage levels to form a capacitor for sensing a capacitance of the fluid. The spacers are connected to the signal transmission wiring. The electronic circuit receives and processes a sensing signal corresponding to the capacitance of the fluid. The package layer covers a portion of the carrier but does not cover the test region. The open platform is formed whereby a user can easily put in the fluid. The open platform has a bottom which includes the test region, and an area of the open platform is defined by the spacers and the package layer.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: March 17, 2020
    Assignee: RICHTEK TECHNOLOGY CORPORATION
    Inventors: Yu-Lin Yang, Chun-Hao Chang, Min-Da Wu, Hung-Der Su, Da-Hong Qian
  • Publication number: 20190227018
    Abstract: The invention provides a bio-detection device, including a carrier, a plurality of spacers, an electronic circuit, and a package layer, wherein an open platform is formed. The carrier includes a test region and a signal transmission wiring, wherein the test region is configured to carry a fluid under test. The spacers are located on the test region and electrically connected to two different voltage levels to form a capacitor for sensing a capacitance of the fluid. The spacers are connected to the signal transmission wiring. The electronic circuit receives and processes a sensing signal corresponding to the capacitance of the fluid. The package layer covers a portion of the carrier but does not cover the test region. The open platform is formed whereby a user can easily put in the fluid. The open platform has a bottom which includes the test region, and an area of the open platform is defined by the spacers and the package layer.
    Type: Application
    Filed: April 24, 2017
    Publication date: July 25, 2019
    Inventors: Yu-Lin Yang, Chun-Hao Chang, Min-Da Wu, Hung-Der Su, Da-Hong Qian
  • Publication number: 20180306742
    Abstract: The invention provides a bio-detection device, including a carrier, a plurality of spacers, an electronic circuit, and a package layer, wherein an open platform is formed. The carrier includes a test region and a signal transmission wiring, wherein the test region is configured to carry a fluid under test. The spacers are located on the test region and electrically connected to two different voltage levels to form a capacitor for sensing a capacitance of the fluid. The spacers are connected to the signal transmission wiring. The electronic circuit receives and processes a sensing signal corresponding to the capacitance of the fluid. The package layer covers a portion of the carrier but does not cover the test region. The open platform is formed whereby a user can easily put in the fluid. The open platform has a bottom which includes the test region, and an area of the open platform is defined by the spacers and the package layer.
    Type: Application
    Filed: April 24, 2017
    Publication date: October 25, 2018
    Inventors: Yu-Lin Yang, Chun-Hao Chang, Min-Da Wu, Hung-Der Su, Da-Hong Qian
  • Patent number: 9627524
    Abstract: The present invention discloses a high voltage metal oxide semiconductor (HVMOS) device and a method for making same. The high voltage metal oxide semiconductor device comprises: a substrate; a gate structure on the substrate; a well in the substrate, the well defining a device region from top view; a first drift region in the well; a source in the well; a drain in the first drift region, the drain being separated from the gate structure by a part of the first drift region; and a P-type dopant region not covering all the device region, wherein the P-type dopant region is formed by implanting a P-type dopant for enhancing the breakdown voltage of the HVMOS device (for N-type HVMOS device) or reducing the ON resistance of the HVMOS device (for P-type HVMOS device).
    Type: Grant
    Filed: March 2, 2010
    Date of Patent: April 18, 2017
    Assignee: RICHTEK TECHNOLOGY CORPORATION, R.O.C.
    Inventors: Tsung-Yi Huang, Huan-Ping Chu, Ching-Yao Yang, Hung-Der Su
  • Patent number: 9590049
    Abstract: The present invention discloses a semiconductor composite film with a heterojunction and a manufacturing method thereof. The semiconductor composite film includes: a semiconductor substrate; and a semiconductor epitaxial layer, which is formed on the semiconductor substrate, and it has a first surface and a second surface opposite to each other, wherein the heterojunction is formed between the first surface and the semiconductor substrate, and wherein the semiconductor epitaxial layer further includes at least one recess, which is formed by etching the semiconductor epitaxial layer from the second surface toward the first surface. The recess is for mitigating a strain in the semiconductor composite film.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: March 7, 2017
    Assignee: Richtek Technology Corporation
    Inventors: Hung-Der Su, Chien-Wei Chiu, Tsung-Yi Huang
  • Patent number: 9484437
    Abstract: The present invention discloses a lateral double diffused metal oxide semiconductor (LDMOS) device and a manufacturing method thereof. The LDMOS device includes: drift region, an isolation oxide region, a first oxide region, a second oxide region, a gate, a body region, a source, and a drain. The isolation oxide region, the first oxide region, and the second oxide region have an isolation thickness, a first thickness, and a second thickness respectively, wherein the second thickness is less than the first thickness. The present invention can reduce a conduction resistance without decreasing a breakdown voltage of the LDMOS device by the first oxidation region and the second oxidation region.
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: November 1, 2016
    Assignee: RICHTEK TECHNOLOGY CORPORATION
    Inventors: Tsung-Yi Huang, Ching-Yao Yang, Wen-Yi Liao, Hung-Der Su, Kuo-Cheng Chang
  • Patent number: 9362384
    Abstract: The present invention discloses a double diffused metal oxide semiconductor (DMOS) device and a manufacturing method thereof. The DMOS device includes: a first conductive type substrate, a second conductive type high voltage well, a gate, a first conductive type body region, a second conductive type source, a second conductive type drain, a first conductive type body electrode, and a first conductive type floating region. The floating region is formed in the body region, which is electrically floating and is electrically isolated from the source and the gate, such that the electrostatic discharge (ESD) effect is mitigated.
    Type: Grant
    Filed: December 3, 2014
    Date of Patent: June 7, 2016
    Assignee: Richtek Technology Corporation
    Inventors: Tzu-Cheng Kao, Jian-Hsing Lee, Jin-Lian Su, Huan-Ping Chu, Hung-Der Su
  • Publication number: 20160155820
    Abstract: The present invention discloses a lateral double diffused metal oxide semiconductor (LDMOS) device and a manufacturing method thereof. The LDMOS device includes: drift region, an isolation oxide region, a first oxide region, a second oxide region, a gate, a body region, a source, and a drain. The isolation oxide region, the first oxide region, and the second oxide region have an isolation thickness, a first thickness, and a second thickness respectively, wherein the second thickness is less than the first thickness. The present invention can reduce a conduction resistance without decreasing a breakdown voltage of the LDMOS device by the first oxidation region and the second oxidation region.
    Type: Application
    Filed: February 8, 2016
    Publication date: June 2, 2016
    Applicant: RICHTEK TECHNOLOGY CORPORATION
    Inventors: Tsung-Yi Huang, Ching-Yao Yang, Wen-Yi Liao, Hung-Der Su, Kuo-Cheng Chang
  • Publication number: 20160099320
    Abstract: The present invention discloses a semiconductor composite film with a heterojunction and a manufacturing method thereof. The semiconductor composite film includes: a semiconductor substrate; and a semiconductor epitaxial layer, which is formed on the semiconductor substrate, and it has a first surface and a second surface opposite to each other, wherein the heterojunction is formed between the first surface and the semiconductor substrate, and wherein the semiconductor epitaxial layer further includes at least one recess, which is formed by etching the semiconductor epitaxial layer from the second surface toward the first surface. The recess is for mitigating a strain in the semiconductor composite film.
    Type: Application
    Filed: December 11, 2015
    Publication date: April 7, 2016
    Applicant: Richtek Technology Corporation
    Inventors: Hung-Der Su, Chien-Wei Chiu, Tsung-Yi Huang
  • Patent number: 9287394
    Abstract: The present invention discloses a lateral double diffused metal oxide semiconductor (LDMOS) device and a manufacturing method thereof. The LDMOS device includes: drift region, an isolation oxide region, a first oxide region, a second oxide region, a gate, a body region, a source, and a drain. The isolation oxide region, the first oxide region, and the second oxide region have an isolation thickness, a first thickness, and a second thickness respectively, wherein the second thickness is less than the first thickness. The present invention can reduce a conduction resistance without decreasing a breakdown voltage of the LDMOS device by the first oxidation region and the second oxidation region.
    Type: Grant
    Filed: October 9, 2014
    Date of Patent: March 15, 2016
    Assignee: RICHTEK TECHNOLOGY CORPORATION
    Inventors: Tsung-Yi Huang, Ching-Yao Yang, Wen-Yi Liao, Hung-Der Su, Kuo-Cheng Chang
  • Patent number: 9245746
    Abstract: The present invention discloses a semiconductor composite film with a heterojunction and a manufacturing method thereof. The semiconductor composite film includes: a semiconductor substrate; and a semiconductor epitaxial layer, which is formed on the semiconductor substrate, and it has a first surface and a second surface opposite to each other, wherein the heterojunction is formed between the first surface and the semiconductor substrate, and wherein the semiconductor epitaxial layer further includes at least one recess, which is formed by etching the semiconductor epitaxial layer from the second surface toward the first surface. The recess is for mitigating a strain in the semiconductor composite film.
    Type: Grant
    Filed: October 8, 2013
    Date of Patent: January 26, 2016
    Assignee: RICHTEK TECHNOLOGY CORPORATION
    Inventors: Hung-Der Su, Chien-Wei Chiu, Tsung-Yi Huang
  • Publication number: 20150137232
    Abstract: The present invention discloses a lateral double diffused metal oxide semiconductor (LDMOS) device and a manufacturing method thereof. The LDMOS device includes: drift region, an isolation oxide region, a first oxide region, a second oxide region, a gate, a body region, a source, and a drain. The isolation oxide region, the first oxide region, and the second oxide region have an isolation thickness, a first thickness, and a second thickness respectively, wherein the second thickness is less than the first thickness. The present invention can reduce a conduction resistance without decreasing a breakdown voltage of the LDMOS device by the first oxidation region and the second oxidation region.
    Type: Application
    Filed: October 9, 2014
    Publication date: May 21, 2015
    Applicant: RICHTEK TECHNOLOGY CORPORATION
    Inventors: Tsung-Yi Huang, Ching-Yao Yang, Wen-Yi Liao, Hung-Der Su, Kuo-Cheng Chang
  • Publication number: 20150079755
    Abstract: The present invention discloses a double diffused metal oxide semiconductor (DMOS) device and a manufacturing method thereof. The DMOS device includes: a first conductive type substrate, a second conductive type high voltage well, a gate, a first conductive type body region, a second conductive type source, a second conductive type drain, a first conductive type body electrode, and a first conductive type floating region. The floating region is formed in the body region, which is electrically floating and is electrically isolated from the source and the gate, such that the electrostatic discharge (ESD) effect is mitigated.
    Type: Application
    Filed: December 3, 2014
    Publication date: March 19, 2015
    Applicant: RICHTEK TECHNOLOGY CORPORATION, R.O.C
    Inventors: Tzu-Cheng Kao, Jian-Hsing Lee, Jin-Lian Su, Huan-Ping Chu, Hung-Der Su
  • Patent number: 8981429
    Abstract: The present invention discloses a high electron mobility transistor (HEMT) and a manufacturing method thereof. The HEMT device includes: a substrate, a first gallium nitride (GaN) layer; a P-type GaN layer, a second GaN layer, a barrier layer, a gate, a source, and a drain. The first GaN layer is formed on the substrate, and has a stepped contour from a cross-section view. The P-type GaN layer is formed on an upper step surface of the stepped contour, and has a vertical sidewall. The second GaN layer is formed on the P-type GaN layer. The barrier layer is formed on the second GaN layer. two dimensional electron gas regions are formed at junctions between the barrier layer and the first and second GaN layers. The gate is formed on an outer side of the vertical sidewall.
    Type: Grant
    Filed: May 20, 2013
    Date of Patent: March 17, 2015
    Assignee: Richtek Technology Corporation, R.O.C.
    Inventors: Chih-Fang Huang, Po-Chin Peng, Tsung-Chieh Hsiao, Ya-Hsien Liu, K. C. Chang, Hung-Der Su, Chien-Wei Chiu, Tsung-Yi Huang, Tsung-Yu Yang, Ting-Fu Chang
  • Patent number: 8928078
    Abstract: The present invention discloses a double diffused metal oxide semiconductor (DMOS) device and a manufacturing method thereof. The DMOS device includes: a first conductive type substrate, a second conductive type high voltage well, a gate, a first conductive type body region, a second conductive type source, a second conductive type drain, a first conductive type body electrode, and a first conductive type floating region. The floating region is formed in the body region, which is electrically floating and is electrically isolated from the source and the gate, such that the electrostatic discharge (ESD) effect is mitigated.
    Type: Grant
    Filed: December 25, 2012
    Date of Patent: January 6, 2015
    Assignee: Richtek Technology Corporation, R.O.C.
    Inventors: Tzu-Cheng Kao, Jian-Hsing Lee, Jin-Lian Su, Huan-Ping Chu, Hung-Der Su