Patents by Inventor How Kiat Liew

How Kiat Liew 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: 11942369
    Abstract: Implementations of a method of forming a semiconductor package may include forming a plurality of notches into a first side of a wafer, the first side of the wafer including a plurality of electrical contacts. The method may also include coating the first side of the wafer and an interior of the plurality of notches with a molding compound, grinding a second side of the wafer to thin the wafer to a desired thickness, forming a back metal on a second side of the wafer, exposing the plurality of electrical contacts through grinding a first side of the molding compound, and singulating the wafer at the plurality of notches to form a plurality of semiconductor packages.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: March 26, 2024
    Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Shutesh Krishnan, Sw Wei Wang, Ch Chew, How Kiat Liew, Fui Fui Tan
  • Publication number: 20240006363
    Abstract: Implementations of semiconductor packages may include: a semiconductor die having a first side and a second side; one or more bumps included on the first side of the wafer, the bumps comprising a first layer having a first metal and a second layer including a second metal. The first layer may have a first thickness and the second layer may have a second thickness. The semiconductor package may also have a mold compound encapsulating all the semiconductor die except for a face of the one or more bumps.
    Type: Application
    Filed: September 13, 2023
    Publication date: January 4, 2024
    Applicant: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Sw WANG, CH CHEW, Eiji KUROSE, How Kiat LIEW
  • Patent number: 11791297
    Abstract: Implementations of semiconductor packages may include: a semiconductor die having a first side and a second side; one or more bumps included on the first side of the wafer, the bumps comprising a first layer having a first metal and a second layer including a second metal. The first layer may have a first thickness and the second layer may have a second thickness. The semiconductor package may also have a mold compound encapsulating all the semiconductor die except for a face of the one or more bumps.
    Type: Grant
    Filed: February 4, 2022
    Date of Patent: October 17, 2023
    Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Sw Wang, Ch Chew, Eiji Kurose, How Kiat Liew
  • Publication number: 20220157756
    Abstract: Implementations of semiconductor packages may include: a semiconductor die having a first side and a second side; one or more bumps included on the first side of the wafer, the bumps comprising a first layer having a first metal and a second layer including a second metal. The first layer may have a first thickness and the second layer may have a second thickness. The semiconductor package may also have a mold compound encapsulating all the semiconductor die except for a face of the one or more bumps.
    Type: Application
    Filed: February 4, 2022
    Publication date: May 19, 2022
    Applicant: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Sw WANG, CH CHEW, Eiji KUROSE, How Kiat LIEW
  • Patent number: 11244918
    Abstract: Implementations of semiconductor packages may include: a semiconductor die having a first side and a second side; one or more bumps included on the first side of the wafer, the bumps comprising a first layer having a first metal and a second layer including a second metal. The first layer may have a first thickness and the second layer may have a second thickness. The semiconductor package may also have a mold compound encapsulating all the semiconductor die except for a face of the one or more bumps.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: February 8, 2022
    Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Sw Wang, CH Chew, Eiji Kurose, How Kiat Liew
  • Publication number: 20210043550
    Abstract: Implementations of semiconductor packages may include: a lead frame having at least one corner lead, the at least one corner lead positioned where two edges of the package meet, and the at least one lead having a half etch on a first portion of the lead and a half etch on a second portion of the lead. The first portion may extend internally into the package to create a mechanical mold compound lock between a mold compound of the package and the lead. The second portion may be located on at least one of the two edges of the package.
    Type: Application
    Filed: October 22, 2020
    Publication date: February 11, 2021
    Applicant: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Soon Wei WANG, How Kiat LIEW, Jose Felixminia PALAGUD, JR.
  • Publication number: 20200357697
    Abstract: Implementations of a method of forming a semiconductor package may include forming a plurality of notches into a first side of a wafer, the first side of the wafer including a plurality of electrical contacts. The method may also include coating the first side of the wafer and an interior of the plurality of notches with a molding compound, grinding a second side of the wafer to thin the wafer to a desired thickness, forming a back metal on a second side of the wafer, exposing the plurality of electrical contacts through grinding a first side of the molding compound, and singulating the wafer at the plurality of notches to form a plurality of semiconductor packages.
    Type: Application
    Filed: July 30, 2020
    Publication date: November 12, 2020
    Applicant: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Shutesh KRISHNAN, Sw Wei WANG, CH CHEW, How Kiat LIEW, Fui Fui TAN
  • Patent number: 10825754
    Abstract: Implementations of semiconductor packages may include: a lead frame having at least one corner lead, the at least one corner lead positioned where two edges of the package meet, and the at least one lead having a half etch on a first portion of the lead and a half etch on a second portion of the lead. The first portion may extend internally into the package to create a mechanical mold compound lock between a mold compound of the package and the lead. The second portion may be located on at least one of the two edges of the package.
    Type: Grant
    Filed: August 5, 2016
    Date of Patent: November 3, 2020
    Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Soon Wei Wang, How Kiat Liew, Jose Felixminia Palagud, Jr.
  • Patent number: 10763173
    Abstract: Implementations of a method of forming a semiconductor package may include forming a plurality of notches into a first side of a wafer, the first side of the wafer including a plurality of electrical contacts. The method may also include coating the first side of the wafer and an interior of the plurality of notches with a molding compound, grinding a second side of the wafer to thin the wafer to a desired thickness, forming a back metal on a second side of the wafer, exposing the plurality of electrical contacts through grinding a first side of the molding compound, and singulating the wafer at the plurality of notches to form a plurality of semiconductor packages.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: September 1, 2020
    Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Shutesh Krishnan, Sw Wei Wang, Ch Chew, How Kiat Liew, Fui Fui Tan
  • Publication number: 20200035586
    Abstract: In a general aspect, a chip-on-lead semiconductor device package can include a leadframe having a plurality of signal leads. The plurality of signal leads can include at least two signal leads each having a first face with a first surface area and, opposite the first face, a second face with a second surface area, the second faces of the at least two signal leads being exposed on a surface of the chip-on-lead device package. The plurality of signal lead can also include at least one signal lead having a first face with a third surface area and, opposite the first face of the at least one signal lead, a second face with the second surface area, the second face of the at least one signal lead being exposed on the surface of the chip-on-lead semiconductor device package.
    Type: Application
    Filed: July 25, 2018
    Publication date: January 30, 2020
    Applicant: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Jin Yoong LIONG, Soon Wei WANG, How Kiat LIEW
  • Publication number: 20190252255
    Abstract: Implementations of a method of forming a semiconductor package may include forming a plurality of notches into a first side of a wafer, the first side of the wafer including a plurality of electrical contacts. The method may also include coating the first side of the wafer and an interior of the plurality of notches with a molding compound, grinding a second side of the wafer to thin the wafer to a desired thickness, forming a back metal on a second side of the wafer, exposing the plurality of electrical contacts through grinding a first side of the molding compound, and singulating the wafer at the plurality of notches to form a plurality of semiconductor packages.
    Type: Application
    Filed: April 26, 2019
    Publication date: August 15, 2019
    Applicant: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Shutesh KRISHNAN, Sw Wei WANG, CH CHEW, How Kiat LIEW, Fui Fui TAN
  • Patent number: 10319639
    Abstract: Implementations of a method of forming a semiconductor package may include forming a plurality of notches into a first side of a wafer, the first side of the wafer including a plurality of electrical contacts. The method may also include coating the first side of the wafer and an interior of the plurality of notches with a molding compound, grinding a second side of the wafer to thin the wafer to a desired thickness, forming a back metal on a second side of the wafer, exposing the plurality of electrical contacts through grinding a first side of the molding compound, and singulating the wafer at the plurality of notches to form a plurality of semiconductor packages.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: June 11, 2019
    Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Shutesh Krishnan, Sw Wang, CH Chew, How Kiat Liew, Fui Fui Tan
  • Publication number: 20190057947
    Abstract: Implementations of semiconductor packages may include: a semiconductor die having a first side and a second side; one or more bumps included on the first side of the wafer, the bumps comprising a first layer having a first metal and a second layer including a second metal. The first layer may have a first thickness and the second layer may have a second thickness. The semiconductor package may also have a mold compound encapsulating all the semiconductor die except for a face of the one or more bumps.
    Type: Application
    Filed: August 17, 2017
    Publication date: February 21, 2019
    Applicant: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Sw WANG, CH CHEW, Eiji KUROSE, How Kiat LIEW
  • Publication number: 20190057900
    Abstract: Implementations of a method of forming a semiconductor package may include forming a plurality of notches into a first side of a wafer, the first side of the wafer including a plurality of electrical contacts. The method may also include coating the first side of the wafer and an interior of the plurality of notches with a molding compound, grinding a second side of the wafer to thin the wafer to a desired thickness, forming a back metal on a second side of the wafer, exposing the plurality of electrical contacts through grinding a first side of the molding compound, and singulating the wafer at the plurality of notches to form a plurality of semiconductor packages.
    Type: Application
    Filed: August 17, 2017
    Publication date: February 21, 2019
    Applicant: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Shutesh KRISHNAN, Sw WANG, CH CHEW, How Kiat LIEW, Fui Fui TAN
  • Publication number: 20180040539
    Abstract: Implementations of semiconductor packages may include: a lead frame having at least one corner lead, the at least one corner lead positioned where two edges of the package meet, and the at least one lead having a half etch on a first portion of the lead and a half etch on a second portion of the lead. The first portion may extend internally into the package to create a mechanical mold compound lock between a mold compound of the package and the lead. The second portion may be located on at least one of the two edges of the package.
    Type: Application
    Filed: August 5, 2016
    Publication date: February 8, 2018
    Applicant: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Soon Wei WANG, How Kiat LIEW, Jose Felixminia PALAGUD, JR.
  • Patent number: 9748163
    Abstract: A chip package, in some embodiments, comprises: a die flag; one or more die supports; and a die mounted on the die flag and on said one or more die supports, at least one surface of said die having an area larger than an area of at least one surface of the die flag.
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: August 29, 2017
    Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Soon Wei Wang, How Kiat Liew, Chee Hiong Chew, Francis J. Carney
  • Publication number: 20170162742
    Abstract: A packaged semiconductor device includes a substrate, a die, at least one electrical connector, a first mold compound formed of translucent material, and a second mold compound. A first face of the die is electrically and mechanically coupled to the substrate. The at least one electrical connector electrically couples at least one electrical contact on a second face of the die with at least one conductive path of the substrate. The first mold compound formed of a translucent material at least partially encapsulates the die and the at least one electrical connector. The second mold compound at least partially encapsulates the first mold compound and forms a window through which the first mold compound is exposed. In implementations the second mold compound is opaque and the first mold compound is transparent. In implementations the substrate includes a lead frame having a die flag and a plurality of lead frame fingers.
    Type: Application
    Filed: February 22, 2017
    Publication date: June 8, 2017
    Applicant: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Atapol PRAJUCKAMOL, How Kiat LIEW, Bih Wen FON
  • Publication number: 20160111581
    Abstract: A packaged semiconductor device includes a substrate, a die, at least one electrical connector, a first mold compound formed of translucent material, and a second mold compound. A first face of the die is electrically and mechanically coupled to the substrate. The at least one electrical connector electrically couples at least one electrical contact on a second face of the die with at least one conductive path of the substrate. The first mold compound formed of a translucent material at least partially encapsulates the die and the at least one electrical connector. The second mold compound at least partially encapsulates the first mold compound and forms a window through which the first mold compound is exposed. In implementations the second mold compound is opaque and the first mold compound is transparent. In implementations the substrate includes a lead frame having a die flag and a plurality of lead frame fingers.
    Type: Application
    Filed: October 16, 2014
    Publication date: April 21, 2016
    Applicant: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Atapol Prajuckamol, How Kiat Liew, Bih Wen Fon
  • Patent number: 9281258
    Abstract: A chip scale package (CSP) includes a die and a first lead mechanically and electrically coupled to a first surface of the die at a first surface of the first lead. The first surface of the first lead forms a first plane. A second lead is mechanically coupled to a second surface of the die at a first surface of the second lead. The first surface of the second lead forms a second plane. A mold compound at least partially encapsulates the die, forming a CSP. The first plane and the second plane are oriented substantially perpendicularly to a third plane formed by a motherboard surface when the CSP is coupled to the motherboard surface. The CSP includes no wirebonds and the first lead and second lead are on opposing surfaces of the CSP. The third plane of the motherboard may be a largest planar surface of the motherboard.
    Type: Grant
    Filed: October 30, 2014
    Date of Patent: March 8, 2016
    Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Bih Wen Fon, Soon Wei Wang, How Kiat Liew