Patents by Inventor Wei-Ming Hung

Wei-Ming Hung 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: 20250239499
    Abstract: An ultra-thin packaged component and its manufacturing method are provided. The packaged component includes a die, at least one conductive component, an encapsulant layer, and multiple conductive contacts. The encapsulant layer surrounds and covers the die and the conductive component, with multiple conductive contacts placed on the surface of the encapsulant layer that electrically connect the die and the conductive component. During the manufacturing of the packaged component, the die and the conductive component are first encapsulated with the encapsulant layer and then simultaneously thinned through grinding. Such process protects the die with the encapsulant layer to prevent cracking and reduces the thickness of the base layer of the die closer to that of its epitaxy layer, achieving the objective of thinness.
    Type: Application
    Filed: July 5, 2024
    Publication date: July 24, 2025
    Inventors: CHUNG-HSIUNG HO, CHIEN-CHUN WANG, CHI-HSUEH LI, WEI-MING HUNG, JENG-SIAN WU
  • Publication number: 20250140573
    Abstract: A method of manufacturing pre-molded lead frame for packaging is disclosed. A first patterned aluminum metal layer is formed on a temporary carrier. A displacement reaction procedure is performed, in which at least part of the first patterned aluminum metal layer is replaced by copper metal so as to form a first copper metal wiring layer. A first molding compound is formed around the first copper metal wiring layer. The temporary carrier is removed.
    Type: Application
    Filed: December 28, 2023
    Publication date: May 1, 2025
    Applicant: PANJIT INTERNATIONAL INC.
    Inventors: Chung Hsiung HO, Wei-Ming HUNG, Shun Chi SHEN
  • Patent number: 12148675
    Abstract: The present invention includes a chip, a plastic film layer, and an electroplated layer. A front side and a back side of the chip each comprises a signal contact. The plastic film layer covers the chip and includes a first via and a second via. The first via is formed adjacent to the chip, and the second via is formed extending to the signal contact of the front side. A conductive layer is added in the first and the second via. The conductive layer in the second via is electrically connected to the signal contact of the front side. Through the electroplated layer, the signal contact on the back side is electrically connected to the conductive layer in the first via. The conductive layer protrudes from the plastic film layer as conductive terminals. The present invention achieves electrical connection of the chip without using expensive die bonding materials.
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: November 19, 2024
    Assignee: Panjit International Inc.
    Inventors: Chung-Hsiung Ho, Wei-Ming Hung, Wen-Liang Huang, Shun-Chi Shen, Chien-Chun Wang, Chi-Hsueh Li
  • Publication number: 20230395465
    Abstract: A semiconductor package with improved solderability at sidewall includes a chip, a molding compound encapsulating the chip, and multiple leads distributed at sidewalls of the semiconductor package. The leads are formed as a conductive layer that is electrically connected to bonding pads of the chip. Each of the leads has a stepped surface exposed from the molding compound, wherein the stepped surface is shaped by two sequentially overlapped photoresist layers. The stepped surface of each lead allows to accommodate more solder to enhance the reliability of a solder joint between the semiconductor and a printed circuit board. Therefore, the solder joints of the semiconductor package are easily inspected by automatic optical inspection (AOI) equipment.
    Type: Application
    Filed: June 2, 2022
    Publication date: December 7, 2023
    Inventors: CHUNG-HSIUNG HO, WEI-MING HUNG, CHI-HSUEH LI, CHIEN-CHUN WANG, JENG-SIAN WU
  • Publication number: 20220344228
    Abstract: The present invention includes a chip, a plastic film layer, and an electroplated layer. A front side and a back side of the chip each comprises a signal contact. The plastic film layer covers the chip and includes a first via and a second via. The first via is formed adjacent to the chip, and the second via is formed extending to the signal contact of the front side. A conductive layer is added in the first and the second via. The conductive layer in the second via is electrically connected to the signal contact of the front side. Through the electroplated layer, the signal contact on the back side is electrically connected to the conductive layer in the first via. The conductive layer protrudes from the plastic film layer as conductive terminals. The present invention achieves electrical connection of the chip without using expensive die bonding materials.
    Type: Application
    Filed: December 7, 2021
    Publication date: October 27, 2022
    Inventors: Chung-Hsiung Ho, Wei-Ming Hung, Wen-Liang Huang, Shun-Chi Shen, Chien-Chun Wang, Chi-Hsueh Li