Patents by Inventor Kok Yau Chua

Kok Yau Chua 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: 20230371165
    Abstract: A voltage regulator module includes: power input and output terminals at a same side of the voltage regulator module; a first power stage configured to receive an input voltage from the power input terminal and output a phase current at a switch node of the first power stage, the first power stage including an inductor having a vertical conductor embedded in a magnetic core, the vertical conductor having a first end which is electrically connected to the switch node and a second end opposite the first end; and a first metal clip which electrically connects the second end of the vertical conductor to the power output terminal such that power is delivered to and from the voltage regulator module at the same side of the voltage regulator module. A method of producing the voltage regulator module and electronic assembly that includes the voltage regulator module are also described.
    Type: Application
    Filed: May 12, 2022
    Publication date: November 16, 2023
    Inventors: Gerald Deboy, Kok Yau Chua, Angela Kessler, Kennith Kin Leong, Chee Yang Ng, Luca Peluso
  • Publication number: 20220375883
    Abstract: A method for fabricating an electrical or electronic device package includes providing a first plateable encapsulation layer; activating first selective areas on a main surface of the first plateable encapsulation layer; forming a first metallization layer by electrolytic or electroless plating on the first activated areas; and fabricating a passive electrical component on the basis of the first metallization layer.
    Type: Application
    Filed: May 11, 2022
    Publication date: November 24, 2022
    Inventors: Kok Yau Chua, Paul Armand Asentista Calo, Chee Hong Lee
  • Publication number: 20220278085
    Abstract: The method for fabricating an electrical module is disclosed. In one example, the method includes providing a bottom unit comprising a plateable encapsulant. Selective areas of the bottom unit are activated thereby turning them into electrically conductive regions. At least one electrical device comprising external contact elements is provided. The method includes placing the electrical device on the bottom unit so that the external contact elements are positioned above at least a first subset of the electrically conductive regions, and performing a plating process on the electrically conductive regions for generating plated regions and for electrically connecting the external contact elements with at least a first subset of the plated regions.
    Type: Application
    Filed: February 22, 2022
    Publication date: September 1, 2022
    Applicant: Infineon Technologies AG
    Inventors: Chau Fatt CHIANG, Paul Armand Asentista CALO, Chan Lam CHA, Kok Yau CHUA, Chee Hong LEE, Swee Kah LEE, Theng Chao LONG, Jayaganasan NARAYANASAMY, Khay Chwan Andrew SAW
  • Publication number: 20220254696
    Abstract: A package and method of manufacturing is disclosed. In one example, the package which comprises a carrier with at least one component mounted on the carrier. A clip is arranged above the carrier and having a through hole. At least part of at least one of the at least one component and/or at least part of an electrically conductive connection element electrically connecting the at least one component is at least partially positioned inside the through hole.
    Type: Application
    Filed: January 13, 2022
    Publication date: August 11, 2022
    Applicant: Infineon Technologies AG
    Inventors: Angela KESSLER, Kok Yau CHUA, Josef HOEGLAUER, Chiah Chin LIM, Mei Qi TAY
  • Patent number: 11289436
    Abstract: Embodiments of molded packages and corresponding methods of manufacture are provided. In an embodiment of a molded package, the molded package includes a laser-activatable mold compound having a plurality of laser-activated regions which are plated with an electrically conductive material to form metal pads and/or metal traces at a first side of the laser-activatable mold compound. A semiconductor die embedded in the laser-activatable mold compound has a plurality of die pads. An interconnect electrically connects the plurality of die pads of the semiconductor die to the metal pads and/or metal traces at the first side of the laser-activatable mold compound.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: March 29, 2022
    Assignee: Infineon Technologies Austria AG
    Inventors: Chee Hong Lee, Kok Yau Chua, Chii Shang Hong, Swee Kah Lee, Chee Yang Ng, Klaus Schiess
  • Patent number: 11274984
    Abstract: A pressure sensor includes a lidless structure defining an internal chamber for a sealed environment and presenting an aperture; a chip including a membrane deformable on the basis of external pressure, the chip being mounted outside the lidless structure in correspondence to the aperture so that the membrane closes the sealed environment; and a circuitry configured to provide a pressure measurement information based on the deformation of the membrane.
    Type: Grant
    Filed: June 2, 2020
    Date of Patent: March 15, 2022
    Assignee: INFINEON TECHNOLOGIES AG
    Inventors: Chau Fatt Chiang, Paul Armand Asentista Calo, Chan Lam Cha, Kok Yau Chua, Jo Ean Chye, Chee Hong Lee, Swee Kah Lee, Theng Chao Long, Jayaganasan Narayanasamy, Khay Chwan Saw
  • Patent number: 11174152
    Abstract: An embodiment device includes a body structure having an interior cavity, a control chip disposed on a first interior surface of the interior cavity, and a sensor attached, at a first side, to a second interior surface of the interior cavity opposite the first interior surface. The sensor has a mounting pad on a second side of the sensor that faces the first interior surface, and the sensor is vertically spaced apart from the control chip by an air gap, with the sensor is aligned at least partially over the control chip. The device further includes an interconnect having a first end mounted on the mounting pad, the interconnect extending through the interior cavity toward the first interior surface, and the control chip is in electrical communication with the sensor by way of the interconnect.
    Type: Grant
    Filed: October 22, 2019
    Date of Patent: November 16, 2021
    Assignee: INFINEON TECHNOLOGIES AG
    Inventors: Sook Woon Chan, Chau Fatt Chiang, Kok Yau Chua, Swee Kah Lee, Chee Yang Ng
  • Patent number: 11081417
    Abstract: A method of manufacturing a package, comprising embedding the semiconductor chip with an encapsulant comprising a transition metal in a concentration in a range between 10 ppm and 10,000 ppm; selectively converting of a part of the transition metal, such that the electrical conductivity of the encapsulant increases; and plating the converted part of the encapsulant with an electrically conductive material.
    Type: Grant
    Filed: July 17, 2019
    Date of Patent: August 3, 2021
    Assignee: Infineon Technologies AG
    Inventors: Sook Woon Chan, Chau Fatt Chiang, Kok Yau Chua, Soon Lock Goh, Swee Kah Lee, Joachim Mahler, Mei Chin Ng, Beng Keh See, Guan Choon Matthew Nelson Tee
  • Patent number: 11039231
    Abstract: In accordance with an embodiment a package includes: a package structure which defines inner surfaces delimiting an inner volume and outer surfaces directed towards an exterior of the package; at least one acoustic sensor element applied to at least one of the inner surfaces, to convert acoustic waves arriving from the exterior of the package into acoustic information in the form of electric signals; a plurality of millimeter wave sensing elements applied to at least one of the outer surfaces, to receive reflected radar signals from objects in the exterior of the package; and a circuitry applied to at least one of the inner surfaces of the package structure, wherein the circuitry is electrically connected to the at least one acoustic sensor element and the plurality of millimeter wave sensing elements to process the acoustic information and the reflected radar signals.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: June 15, 2021
    Assignee: INFINEON TECHNOLOGIES AG
    Inventors: Kok Yau Chua, Chee Yang Ng
  • Publication number: 20210025774
    Abstract: A pressure sensor includes a lidless structure defining an internal chamber for a sealed environment and presenting an aperture; a chip including a membrane deformable on the basis of external pressure, the chip being mounted outside the lidless structure in correspondence to the aperture so that the membrane closes the sealed environment; and a circuitry configured to provide a pressure measurement information based on the deformation of the membrane.
    Type: Application
    Filed: June 2, 2020
    Publication date: January 28, 2021
    Inventors: Chau Fatt Chiang, Paul Armand Asentista Calo, Chan Lam Cha, Kok Yau Chua, Jo Ean Chye, Chee Hong Lee, Swee Kah Lee, Theng Chao Long, Jayaganasan Narayanasamy, Khay Chwan Saw
  • Publication number: 20200381380
    Abstract: Embodiments of molded packages and corresponding methods of manufacture are provided. In an embodiment of a molded package, the molded package includes a laser-activatable mold compound having a plurality of laser-activated regions which are plated with an electrically conductive material to form metal pads and/or metal traces at a first side of the laser-activatable mold compound. A semiconductor die embedded in the laser-activatable mold compound has a plurality of die pads. An interconnect electrically connects the plurality of die pads of the semiconductor die to the metal pads and/or metal traces at the first side of the laser-activatable mold compound.
    Type: Application
    Filed: May 28, 2020
    Publication date: December 3, 2020
    Inventors: Chee Hong Lee, Kok Yau Chua, Chii Shang Hong, Swee Kah Lee, Chee Yang Ng, Klaus Schiess
  • Patent number: 10777536
    Abstract: Embodiments of chip-package and corresponding methods of manufacture are provided. In an embodiment of a chip-package, the chip-package includes: a carrier having a first side and a second side opposing the first side; a first chip coupled to the first side of the carrier; a second chip coupled to the second side of the carrier; an encapsulation with a first portion, which at least partially encloses the first chip on the first side of the carrier, and a second portion, which at least partially encloses the second chip on the second side of the carrier; a via extending through the first portion of the encapsulation, the carrier and the second portion of the encapsulation; and an electrically conductive material at least partly covering a sidewall of the via in the first portion or the second portion of the encapsulation, to electrically contact the carrier at either side.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: September 15, 2020
    Assignee: Infineon Technologies AG
    Inventors: Chau Fatt Chiang, April Coleen Tuazon Bernardez, Junny Abdul Wahid, Roslie Saini bin Bakar, Kon Hoe Chin, Hock Heng Chong, Kok Yau Chua, Hsieh Ting Kuek, Chee Hong Lee, Soon Lee Liew, Nurfarena Othman, Pei Luan Pok, Werner Reiss, Stefan Schmalzl
  • Publication number: 20200154183
    Abstract: In accordance with an embodiment a package includes: a package structure which defines inner surfaces delimiting an inner volume and outer surfaces directed towards an exterior of the package; at least one acoustic sensor element applied to at least one of the inner surfaces, to convert acoustic waves arriving from the exterior of the package into acoustic information in the form of electric signals; a plurality of millimeter wave sensing elements applied to at least one of the outer surfaces, to receive reflected radar signals from objects in the exterior of the package; and a circuitry applied to at least one of the inner surfaces of the package structure, wherein the circuitry is electrically connected to the at least one acoustic sensor element and the plurality of millimeter wave sensing elements to process the acoustic information and the reflected radar signals.
    Type: Application
    Filed: November 13, 2019
    Publication date: May 14, 2020
    Inventors: Kok Yau Chua, Chee Yang Ng
  • Patent number: 10631100
    Abstract: A device includes: a first sidewall including a first opening extending through the first sidewall; a first sensor attached to an interior surface of the first sidewall, wherein the first sensor is aligned to at least partially cover the first opening; a second sidewall opposite the first sidewall; a third sidewall attaching the first sidewall to the second sidewall; and a first contact pad disposed on an exterior surface of the third sidewall, wherein the first contact pad is configured to provide at least one of a power connection or a signal connection for the first sensor.
    Type: Grant
    Filed: September 12, 2018
    Date of Patent: April 21, 2020
    Assignee: INFINEON TECHNOLOGIES AG
    Inventors: Chau Fatt Chiang, Kok Yau Chua
  • Patent number: 10595132
    Abstract: A device includes: a first sidewall including a first opening extending through the first sidewall; a first sensor attached to an interior surface of the first sidewall, wherein the first sensor is aligned to at least partially cover the first opening; a second sidewall opposite the first sidewall; a third sidewall attaching the first sidewall to the second sidewall; and a first contact pad disposed on an exterior surface of the third sidewall, wherein the first contact pad is configured to provide at least one of a power connection or a signal connection for the first sensor.
    Type: Grant
    Filed: September 12, 2018
    Date of Patent: March 17, 2020
    Assignee: INFINEON TECHNOLOGIES AG
    Inventors: Chau Fatt Chiang, Kok Yau Chua
  • Publication number: 20200084550
    Abstract: A device includes: a first sidewall including a first opening extending through the first sidewall; a first sensor attached to an interior surface of the first sidewall, wherein the first sensor is aligned to at least partially cover the first opening; a second sidewall opposite the first sidewall; a third sidewall attaching the first sidewall to the second sidewall; and a first contact pad disposed on an exterior surface of the third sidewall, wherein the first contact pad is configured to provide at least one of a power connection or a signal connection for the first sensor.
    Type: Application
    Filed: September 12, 2018
    Publication date: March 12, 2020
    Inventors: Chau Fatt Chiang, Kok Yau Chua
  • Publication number: 20200048075
    Abstract: An embodiment device includes a body structure having an interior cavity, a control chip disposed on a first interior surface of the interior cavity, and a sensor attached, at a first side, to a second interior surface of the interior cavity opposite the first interior surface. The sensor has a mounting pad on a second side of the sensor that faces the first interior surface, and the sensor is vertically spaced apart from the control chip by an air gap, with the sensor is aligned at least partially over the control chip. The device further includes an interconnect having a first end mounted on the mounting pad, the interconnect extending through the interior cavity toward the first interior surface, and the control chip is in electrical communication with the sensor by way of the interconnect.
    Type: Application
    Filed: October 22, 2019
    Publication date: February 13, 2020
    Inventors: Sook Woon Chan, Chau Fatt Chiang, Kok Yau Chua, Swee Kah Lee, Chee Yang Ng
  • Publication number: 20200051898
    Abstract: In an embodiment, a leadframe includes a first electrically conductive part and a second electrically conductive part, each having an outer surface arranged to provide substantially coplanar outer contact areas having a footprint and an inner surface opposing the outer surface, the first part being spaced apart from the second part by a gap, a first recess arranged in the inner surface of the first part, a second recess arranged in the inner surface of the second part, and a first electrically conductive insert that is arranged in, and extends between, the first recess and the second recess and bridges the gap between the first part and the second part.
    Type: Application
    Filed: August 6, 2019
    Publication date: February 13, 2020
    Inventors: Chau Fatt Chiang, Paul Armand Asentista Calo, Kok Yau Chua, Josef Hoeglauer, Swee Kah Lee, Khay Chwan Saw
  • Patent number: 10501312
    Abstract: An embodiment device includes a body structure having an interior cavity, a control chip disposed on a first interior surface of the interior cavity, and a sensor attached, at a first side, to a second interior surface of the interior cavity opposite the first interior surface. The sensor has a mounting pad on a second side of the sensor that faces the first interior surface, and the sensor is vertically spaced apart from the control chip by an air gap, with the sensor is aligned at least partially over the control chip. The device further includes an interconnect having a first end mounted on the mounting pad, the interconnect extending through the interior cavity toward the first interior surface, and the control chip is in electrical communication with the sensor by way of the interconnect.
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: December 10, 2019
    Assignee: Infineon Technologies AG
    Inventors: Sook Woon Chan, Chau Fatt Chiang, Kok Yau Chua, Swee Kah Lee, Chee Yang Ng
  • Publication number: 20190341324
    Abstract: A method of manufacturing a package, comprising embedding the semiconductor chip with an encapsulant comprising a transition metal in a concentration in a range between 10 ppm and 10,000 ppm; selectively converting of a part of the transition metal, such that the electrical conductivity of the encapsulant increases; and plating the converted part of the encapsulant with an electrically conductive material.
    Type: Application
    Filed: July 17, 2019
    Publication date: November 7, 2019
    Inventors: Sook Woon CHAN, Chau Fatt CHIANG, Kok Yau CHUA, Soon Lock GOH, Swee Kah LEE, Joachim MAHLER, Mei Chin NG, Beng Keh SEE, Guan Choon Matthew Nelson TEE