Patents by Inventor Hezong ZHANG

Hezong ZHANG 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: 20250136804
    Abstract: A resin composition is disclosed, comprising 100 parts by weight of a copolymer of phenylvinylsilane and alkenyl compound and 20 parts by weight to 100 parts by weight of a vinylbenzyl-terminated phenolic resin; wherein the raw material of the copolymer of phenylvinylsilane and alkenyl compound comprises a phenylvinylsilane and an alkenyl compound, based on a total weight of the phenylvinylsilane and the alkenyl compound being 100 parts by weight, the phenylvinylsilane is 80 parts by weight to 98 parts by weight, and the alkenyl compound is 2 parts by weight to 20 parts by weight. The resin composition can be made into a product such as a prepreg, a resin film, a laminate, a printed circuit board or a cured insulator.
    Type: Application
    Filed: December 20, 2023
    Publication date: May 1, 2025
    Applicant: ELITE ELECTRONIC MATERIAL (ZHONGSHAN) CO., LTD.
    Inventors: Zhilong HU, Changyuan LI, Xiang XIONG, Hezong ZHANG
  • Patent number: 12152144
    Abstract: A phenylvinylsilane-divinylbenzene-styrene terpolymer is prepared by copolymerizing 50 parts by weight to 70 parts by weight of phenylvinylsilane, 10 parts by weight to 20 parts by weight of divinylbenzene and 20 parts by weight to 30 parts by weight of styrene, the total amount of phenylvinylsilane, divinylbenzene and styrene being 100 parts by weight, wherein the phenylvinylsilane has a structure of Formula (I) or Formula (II). Moreover, a resin composition includes a phenylvinylsilane-divinylbenzene-styrene terpolymer and a vinyl group-containing polyphenylene ether resin. The resin composition may be used to make various articles, such as a prepreg, a resin film, a laminate or a printed circuit board.
    Type: Grant
    Filed: July 22, 2022
    Date of Patent: November 26, 2024
    Assignee: Elite Electronic Material (Zhongshan) Co., Ltd.
    Inventors: Zhilong Hu, Xiangnan Li, Hongxia Peng, Hezong Zhang, Bangjun Lan
  • Publication number: 20230416527
    Abstract: A phenylvinylsilane-divinylbenzene-styrene terpolymer is prepared by copolymerizing 50 parts by weight to 70 parts by weight of phenylvinylsilane, 10 parts by weight to 20 parts by weight of divinylbenzene and 20 parts by weight to 30 parts by weight of styrene, the total amount of phenylvinylsilane, divinylbenzene and styrene being 100 parts by weight, wherein the phenylvinylsilane has a structure of Formula (I) or Formula (II). Moreover, a resin composition includes a phenylvinylsilane-divinylbenzene-styrene terpolymer and a vinyl group-containing polyphenylene ether resin. The resin composition may be used to make various articles, such as a prepreg, a resin film, a laminate or a printed circuit board.
    Type: Application
    Filed: July 22, 2022
    Publication date: December 28, 2023
    Inventors: Zhilong HU, Xiangnan LI, Hongxia PENG, Hezong ZHANG, Bangjun LAN
  • Patent number: 11773115
    Abstract: A compound has a structure of Formula (I) below, wherein E represents a 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide functional group or a diphenylphosphine oxide functional group. Moreover, a method of making the compound of Formula (I), a resin composition including the compound of Formula (I) and a resin additive and an article made from the resin composition are described. The article includes a prepreg, a resin film, a laminate or a printed circuit board, wherein one or more properties including copper foil peeling strength, Z-axis ratio of thermal expansion, glass transition temperature, flame retardancy, thermal resistance after moisture absorption, dielectric constant, and dissipation factor may be improved.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: October 3, 2023
    Assignee: ELITE ELECTRONIC MATERIAL (ZHONGSHAN) CO., LTD.
    Inventors: Zhilong Hu, Hezong Zhang
  • Patent number: 11339287
    Abstract: A resin composition includes 100 parts by weight of a vinyl-containing polyphenylene ether resin and 45 parts by weight to 75 parts by weight of an inorganic filler combination, wherein the inorganic filler combination at least includes chemically synthesized silica and silicon nitride, and a weight ratio of the chemically synthesized silica and the silicon nitride is between 1:2 and 5:2. The resin composition or an article made therefrom may achieve improvement in at least one of the following properties: dielectric constant, dissipation factor, peel strength, soldering resistance, T300 thermal resistance, laminate appearance, sedimentation property, water absorption rate, and ratio of thermal expansion.
    Type: Grant
    Filed: May 13, 2020
    Date of Patent: May 24, 2022
    Assignee: ELITE ELECTRONIC MATERIAL (ZHONGSHAN) CO., LTD.
    Inventors: Zhilong Hu, Teng Xu, Hezong Zhang, Shu-Hao Chang
  • Publication number: 20220024952
    Abstract: A compound has a structure of Formula (I) below, wherein E represents a 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide functional group or a diphenylphosphine oxide functional group. Moreover, a method of making the compound of Formula (I), a resin composition including the compound of Formula (I) and a resin additive and an article made from the resin composition are described. The article includes a prepreg, a resin film, a laminate or a printed circuit board, wherein one or more properties including copper foil peeling strength, Z-axis ratio of thermal expansion, glass transition temperature, flame retardancy, thermal resistance after moisture absorption, dielectric constant, and dissipation factor may be improved.
    Type: Application
    Filed: September 4, 2020
    Publication date: January 27, 2022
    Inventors: Zhilong HU, Hezong ZHANG
  • Publication number: 20210309852
    Abstract: A resin composition includes 100 parts by weight of a vinyl-containing polyphenylene ether resin and 45 parts by weight to 75 parts by weight of an inorganic filler combination, wherein the inorganic filler combination at least includes chemically synthesized silica and silicon nitride, and a weight ratio of the chemically synthesized silica and the silicon nitride is between 1:2 and 5:2. The resin composition or an article made therefrom may achieve improvement in at least one of the following properties: dielectric constant, dissipation factor, peel strength, soldering resistance, T300 thermal resistance, laminate appearance, sedimentation property, water absorption rate, and ratio of thermal expansion.
    Type: Application
    Filed: May 13, 2020
    Publication date: October 7, 2021
    Inventors: Zhilong HU, Teng XU, Hezong ZHANG, Shu-Hao CHANG
  • Publication number: 20210171770
    Abstract: A resin composition includes a maleimide resin and a multifunctional vinylsilane. Also provided is an article made from the resin composition including such as a prepreg, a resin film, a laminate or a printed circuit board, wherein the article has improved one or more properties including glass transition temperature, difference in glass transition temperature, ratio of thermal expansion, peel strength, thermal resistance, dissipation factor and dissipation factor after ageing at high temperature.
    Type: Application
    Filed: January 27, 2020
    Publication date: June 10, 2021
    Inventors: Zhilong HU, Teng XU, Hezong ZHANG
  • Patent number: 10577497
    Abstract: A resin composition comprises 100 parts by weight of epoxy resin; 2 to 50 parts by weight of carboxyl-containing butadiene acrylonitrile resin; 1 to 40 parts by weight of phosphazene; and 1 to 8 parts by weight of acrylic triblock copolymer. The resin composition may be made into various articles, such as prepregs, laminates, printed circuit boards or rigid-flex boards, and meets one, more or all of the following properties: high yield rate in solder pad fall-off test at high temperature, low dust weight loss, low stickiness, high thermal resistance, high peel strength to copper foil, and high bonding strength to polyimide layer.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: March 3, 2020
    Assignee: ELITE ELECTRONIC MATERIAL (ZHONGSHAN) CO., LTD.
    Inventors: Zhilong Hu, Hezong Zhang
  • Publication number: 20190390055
    Abstract: A resin composition comprises 100 parts by weight of epoxy resin; 2 to 50 parts by weight of carboxyl-containing butadiene acrylonitrile resin; 1 to 40 parts by weight of phosphazene; and 1 to 8 parts by weight of acrylic triblock copolymer. The resin composition may be made into various articles, such as prepregs, laminates, printed circuit boards or rigid-flex boards, and meets one, more or all of the following properties: high yield rate in solder pad fall-off test at high temperature, low dust weight loss, low stickiness, high thermal resistance, high peel strength to copper foil, and high bonding strength to polyimide layer.
    Type: Application
    Filed: November 20, 2018
    Publication date: December 26, 2019
    Inventors: Zhilong HU, Hezong ZHANG