Patents by Inventor Shih-Chi Lai

Shih-Chi Lai 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: 11139172
    Abstract: A manufacturing method of a gate structure includes steps of forming a mask oxide layer on the substrate, performing a photolithography process on the mask oxide layer and the substrate to form a trench, etching the trench, removing the mask oxide layer, forming a bottom oxide layer on a surface of the substrate and a trench surface of the trench, forming a silicon nitride layer on the trench, removing a part of the bottom oxide layer, removing the silicon nitride layer, forming a gate oxide layer on the surface and a part of the trench surface, and forming a poly layer on the trench. Therefore, the advantages of simplifying the gate structure process and reducing the production cost are achieved.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: October 5, 2021
    Assignee: MOSEL VITELIC INC.
    Inventors: Shih-Chi Lai, Hung-Chih Chung, Hsien-Yi Cheng, Chia-Ming Kuo
  • Patent number: 11094792
    Abstract: A manufacturing method of a split gate structure includes steps of forming a mask oxide layer on the substrate, performing photolithography and etching on the mask oxide layer and the substrate, forming a trench, removing the mask oxide layer, forming a bottom oxide layer on a bottom part and a side wall of the trench and a surface of the substrate, forming a silicon nitride layer on the trench, removing a part of the bottom oxide layer, forming a gate oxide layer on part of the side wall and the surface, forming a gate poly layer on the trench, removing the silicon nitride layer, forming an inter-poly oxide layer on the gate poly layer, and forming a shield poly layer on the trench, thereby benefiting the increasing of the thickness of the inter-poly oxide layer, so that the advantages of improving the characteristics of the split gate structure are achieved.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: August 17, 2021
    Assignee: MOSEL VITELIC INC.
    Inventors: Shih-Chi Lai, Hung-Chih Chung, Hsien-Yi Cheng, Chia-Ming Kuo
  • Publication number: 20200328084
    Abstract: A manufacturing method of a gate structure includes steps of forming a mask oxide layer on the substrate, performing a photolithography process on the mask oxide layer and the substrate to form a trench, etching the trench, removing the mask oxide layer, forming a bottom oxide layer on a surface of the substrate and a trench surface of the trench, forming a silicon nitride layer on the trench, removing a part of the bottom oxide layer, removing the silicon nitride layer, forming a gate oxide layer on the surface and a part of the trench surface, and forming a poly layer on the trench. Therefore, the advantages of simplifying the gate structure process and reducing the production cost are achieved.
    Type: Application
    Filed: August 22, 2019
    Publication date: October 15, 2020
    Inventors: Shih-Chi Lai, Hung-Chih Chung, Hsien-Yi Cheng, Chia-Ming Kuo
  • Publication number: 20200328281
    Abstract: A manufacturing method of a split gate structure includes steps of forming a mask oxide layer on the substrate, performing photolithography and etching on the mask oxide layer and the substrate, forming a trench, removing the mask oxide layer, forming a bottom oxide layer on a bottom part and a side wall of the trench and a surface of the substrate, forming a silicon nitride layer on the trench, removing a part of the bottom oxide layer, forming a gate oxide layer on part of the side wall and the surface, forming a gate poly layer on the trench, removing the silicon nitride layer, forming an inter-poly oxide layer on the gate poly layer, and forming a shield poly layer on the trench, thereby benefiting the increasing of the thickness of the inter-poly oxide layer, so that the advantages of improving the characteristics of the split gate structure are achieved.
    Type: Application
    Filed: August 22, 2019
    Publication date: October 15, 2020
    Inventors: Shih-Chi Lai, Hung-Chih Chung, Hsien-Yi Cheng, Chia-Ming Kuo
  • Patent number: 9652649
    Abstract: A chip structure for mounting on a clearance area of a printed circuit board includes a packaged chip and a monopole coupling antenna. The packaged chip has an insulating body, an electronic component embedded in the insulating body, and a plurality of grounding pads electrically connected to the electronic component. The monopole coupling antenna has a grounding radiating metal and a monopole radiating metal. The packaged chip is electrically connected to the grounding radiating metal by the grounding pads. The monopole radiating metal is disposed on the insulating body and spaced apart from the electronic component and the grounding radiating metal. The monopole radiating metal is configured to couple the grounding radiating metal and the electronic component by using a feeding circuit to connect the packaged chip and the monopole radiating metal and using a grounding circuit to connect the grounding radiating metal and the printed circuit board.
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: May 16, 2017
    Assignee: AUDEN TECHNO CORP.
    Inventors: Shih-Chi Lai, Tzu-Hsiang Chien, Cheng-Min Yang
  • Publication number: 20160351995
    Abstract: A communication device includes a housing and a first connector, an antenna module, and a feeding cable, which are disposed in the housing. The housing has a metal portion arranged on one side thereof, and the metal portion has a first hole and an elongated slot. The position of the first connector corresponds to the first hole. The antenna module has an insulating base and a monopole antenna disposed on the base. The base is fixed on the first connector and arranged adjacent to the slot, so part of the base exposes from the slot. The position of the monopole antenna corresponds to the slot, and the length of the monopole antenna is smaller or identical to the length of the slot. The monopole antenna is configured to couple the metal portion by the slot. The feeding cable is electrically connected to the monopole antenna.
    Type: Application
    Filed: June 1, 2015
    Publication date: December 1, 2016
    Inventors: YU TSUNG HUANG, SHIH-CHI LAI
  • Patent number: 9496599
    Abstract: A communication device includes a housing and a first connector, an antenna module, and a feeding cable, which are disposed in the housing. The housing has a metal portion arranged on one side thereof, and the metal portion has a first hole and an elongated slot. The position of the first connector corresponds to the first hole. The antenna module has an insulating base and a monopole antenna disposed on the base. The base is fixed on the first connector and arranged adjacent to the slot, so part of the base exposes from the slot. The position of the monopole antenna corresponds to the slot, and the length of the monopole antenna is smaller or identical to the length of the slot. The monopole antenna is configured to couple the metal portion by the slot. The feeding cable is electrically connected to the monopole antenna.
    Type: Grant
    Filed: June 1, 2015
    Date of Patent: November 15, 2016
    Assignee: AUDEN TECHNO CORP.
    Inventors: Yu Tsung Huang, Shih-Chi Lai
  • Patent number: 9419325
    Abstract: A spring antenna structure integrally formed by bending a metallic sheet includes a supporting portion, a grounding radiating portion, and an antenna radiating portion. Two opposite ends of the supporting portion are respectively connected to the grounding and antenna radiating portion. The grounding and antenna radiating portion are formed by bending the supporting portion in a rotating direction. A first angle (?1) is defined between the grounding radiating portion and the supporting portion, and a second angle (?2) is defined between the antenna radiating portion and the supporting portion. 0°<?1<90° and 0°<?2<?1+90°. When the spring antenna structure is pressed and deformed by an external force, the spring antenna structure generates a returning force for returning to the original shape.
    Type: Grant
    Filed: August 11, 2014
    Date of Patent: August 16, 2016
    Assignee: AUDEN TECHNO CORP.
    Inventors: Shih-Chi Lai, Ying-Hwei Li, Wei-Shuai Lin
  • Patent number: 9300162
    Abstract: The present disclosure provides a wireless charging storage stand comprising a body and a power control circuit. The body has a plurality of containing portions. Each containing portion comprises a wireless charging unit, a wireless charging indication unit and a sensing circuit. The wireless charging unit is coupled to the wireless charging indication unit. The containing portion is for accommodating an electronic device with wireless charging capability which is charged by the wireless charging unit. The wireless charging indication unit generates a charging indication signal according to the charging status of the wireless charging unit. The power control circuit is disposed in the body and the power control circuit is coupled to the plurality of wireless charging units and the plurality of wireless charging indication units. The power control circuit provides electric power to the plurality of wireless charging units and the plurality of wireless charging indication units.
    Type: Grant
    Filed: November 15, 2013
    Date of Patent: March 29, 2016
    Assignee: AUDEN TECHNO CORP.
    Inventors: Shih-Chi Lai, Peng-Hao Juan
  • Publication number: 20160043459
    Abstract: A spring antenna structure integrally formed by bending a metallic sheet includes a supporting portion, a grounding radiating portion, and an antenna radiating portion. Two opposite ends of the supporting portion are respectively connected to the grounding and antenna radiating portion. The grounding and antenna radiating portion are formed by bending the supporting portion in a rotating direction. A first angle (?1) is defined between the grounding radiating portion and the supporting portion, and a second angle (?2) is defined between the antenna radiating portion and the supporting portion. 0°<?1<90° and 0°<?2<?1+90°. When the spring antenna structure is pressed and deformed by an external force, the spring antenna structure generates a returning force for returning to the original shape.
    Type: Application
    Filed: August 11, 2014
    Publication date: February 11, 2016
    Inventors: SHIH-CHI LAI, YING-HWEI LI, WEI-SHUAI LIN
  • Publication number: 20160006125
    Abstract: A chip structure for mounting on a clearance area of a printed circuit board includes a packaged chip and a monopole coupling antenna. The packaged chip has an insulating body, an electronic component embedded in the insulating body, and a plurality of grounding pads electrically connected to the electronic component. The monopole coupling antenna has a grounding radiating metal and a monopole radiating metal. The packaged chip is electrically connected to the grounding radiating metal by the grounding pads. The monopole radiating metal is disposed on the insulating body and spaced apart from the electronic component and the grounding radiating metal. The monopole radiating metal is configured to couple the grounding radiating metal and the electronic component by using a feeding circuit to connect the packaged chip and the monopole radiating metal and using a grounding circuit to connect the grounding radiating metal and the printed circuit board.
    Type: Application
    Filed: July 2, 2014
    Publication date: January 7, 2016
    Inventors: SHIH-CHI LAI, TZU-HSIANG CHIEN, CHENG-MIN YANG
  • Publication number: 20150137732
    Abstract: The present disclosure provides a wireless charging storage stand comprising a body and a power control circuit. The body has a plurality of containing portions. Each containing portion comprises a wireless charging unit, a wireless charging indication unit and a sensing circuit. The wireless charging unit is coupled to the wireless charging indication unit. The containing portion is for accommodating an electronic device with wireless charging capability which is charged by the wireless charging unit. The wireless charging indication unit generates a charging indication signal according to the charging status of the wireless charging unit. The power control circuit is disposed in the body and the power control circuit is coupled to the plurality of wireless charging units and the plurality of wireless charging indication units. The power control circuit provides electric power to the plurality of wireless charging units and the plurality of wireless charging indication units.
    Type: Application
    Filed: November 15, 2013
    Publication date: May 21, 2015
    Applicant: AUDEN TECHNO CORP.
    Inventors: SHIH-CHI LAI, PENG-HAO JUAN
  • Publication number: 20150048998
    Abstract: The present disclosure provides a metal plate antenna comprising a radiating portion and at least two grounding pins. The radiating portion is a metal plate and the two ends of the radiating portion are a first end and a second end respectively. The first end and the second end are bended towards the same direction and are perpendicular to the radiating portion. One of the first end and the second end is for the feeding end. At least one of the first end and the second end has at least a plug-foot. The plug-foot is used for plugging into the inserting hole of a circuit board. At least two grounding pins are vertical connected to the radiating portion and one of the grounding pins is used to be connected with the grounding of the circuit board.
    Type: Application
    Filed: August 16, 2013
    Publication date: February 19, 2015
    Applicant: AUDEN TECHNO CORP.
    Inventors: SHIH-CHI LAI, PENG-HAO JUAN, CHENG-MIN YANG
  • Publication number: 20140197997
    Abstract: An antenna structure includes a portable electronic apparatus and an antenna. The portable electronic apparatus includes a housing. At least a metal block is arranged at a corner of the housing. The antenna is arranged in an accommodating space of the housing. The antenna includes a radiator. The radiator includes a rear end and a signal feed-in contact. A distance between the rear end, the signal feed-in contact, and the metal block is about one-fourth wavelength of communication signals, wherein the rear end faces the metal block. Therefore, the SAR of the antenna is reduced.
    Type: Application
    Filed: January 14, 2013
    Publication date: July 17, 2014
    Applicant: AUDEN TECHNO.CORP.
    Inventors: Cheng-Min YANG, Shih-Chi LAI
  • Patent number: 8542152
    Abstract: A multi-frequency antenna includes a microwave substrate, a first antenna unit, a second antenna unit, a third antenna unit and a grounding unit. The first antenna unit, the second antenna unit, and the third antenna unit are disposed on the microwave substrate surface. The grounding unit is disposed at an edge on the surface of the microwave substrate. The grounding unit is in connection with the second antenna unit. The second antenna unit and the third antenna unit are bent to form perpendicular structures to the microwave substrate. The compact arrangement reduces the physical footprint of the antenna module to enable fitment in a wide range of products having tight special constraint.
    Type: Grant
    Filed: January 11, 2011
    Date of Patent: September 24, 2013
    Assignee: Auden Techno Corp.
    Inventors: Chih-Yin Yu, Shih-Chi Lai, Chia-Lun Tang, Jia-Yi Sze
  • Publication number: 20120176273
    Abstract: A multi-frequency antenna includes a microwave substrate, a first antenna unit, a second antenna unit, a third antenna unit and a grounding unit. The first antenna unit, the second antenna unit, and the third antenna unit are disposed on the microwave substrate surface. The grounding unit is disposed at an edge on the surface of the microwave substrate. The grounding unit is in connection with the second antenna unit. The second antenna unit and the third antenna unit are bent to form perpendicular structures to the microwave substrate. The compact arrangement reduces the physical footprint of the antenna module to enable fitment in a wide range of products having tight special constraint.
    Type: Application
    Filed: January 11, 2011
    Publication date: July 12, 2012
    Applicant: AUDEN TECHNO CORP.
    Inventors: CHIH-YIN YU, SHIH-CHI LAI, CHIA-LUN TANG, JIA-YI SZE
  • Patent number: 8144072
    Abstract: A multi-band antenna includes an insulative carrier board arranged on the top side of the display screen of a notebook computer, a main antenna which has the top metal strip thereof disposed at the top edge of the insulative carrier board and the grounding metal strip thereon arranged on the insulative carrier board, an inverted L antenna arranged on the insulative carrier board, a first capacitor, a second capacitor, an antenna feed-in terminal and/or an inductor set between the inverted L antenna and the main antenna to achieve optimal matching subject to adjustment of the capacitance values of the first and second capacitors and the inductance value and position of the inductor.
    Type: Grant
    Filed: August 4, 2009
    Date of Patent: March 27, 2012
    Assignee: Auden Techno Corp.
    Inventors: Chi-Ming Chiang, Daniel Chang, Shih-Chi Lai
  • Patent number: 8120545
    Abstract: A multifunctional antenna chip is able to mate with many kinds of matched circuits and is able to adjust the character of an antenna structure of the multifunctional antenna chip, in order that the antenna structure has one or multiple standard working frequencies. The antenna structure is a folded antenna structure basically; this can save its volume occupied. And the multifunctional antenna chip has a non-signal inputting pin for connection to thereby increase shape of the antenna for adjusting the style of the antenna structure designed.
    Type: Grant
    Filed: August 17, 2009
    Date of Patent: February 21, 2012
    Assignee: Auden Techno Corp.
    Inventors: Chia-Lun Tang, Shih-Chi Lai
  • Publication number: 20110037678
    Abstract: A multifunctional antenna chip is able to mate with many kinds of matched circuits and is able to adjust the character of an antenna structure of the multifunctional antenna chip, in order that the antenna structure has one or multiple standard working frequencies. The antenna structure is a folded antenna structure basically; this can save its volume occupied. And the multifunctional antenna chip has a non-signal inputting pin for connection to thereby increase shape of the antenna for adjusting the style of the antenna structure designed.
    Type: Application
    Filed: August 17, 2009
    Publication date: February 17, 2011
    Inventors: Chia-Lun TANG, Shih-Chi Lai
  • Publication number: 20110032170
    Abstract: A multi-band antenna includes an insulative carrier board arranged on the top side of the display screen of a notebook computer, a main antenna which has the top metal strip thereof disposed at the top edge of the insulative carrier board and the grounding metal strip thereon arranged on the insulative carrier board, an inverted L antenna arranged on the insulative carrier board, a first capacitor, a second capacitor, an antenna feed-in terminal and/or an inductor set between the inverted L antenna and the main antenna to achieve optimal matching subject to adjustment of the capacitance values of the first and second capacitors and the inductance value and position of the inductor.
    Type: Application
    Filed: August 4, 2009
    Publication date: February 10, 2011
    Inventors: Chi-Ming CHIANG, Daniel CHANG, Shih-Chi LAI