Patents by Inventor Yee Weon Lim

Yee Weon Lim 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: 20240084472
    Abstract: A wire comprising a wire core with a surface, the wire core having a coating layer superimposed on its surface, wherein the wire core itself is a silver-based wire core, wherein the coating layer is a double-layer comprised of a 1 to 100 nm thick inner layer of nickel or palladium and an adjacent 1 to 250 nm thick outer layer of gold, characterized in that the wire exhibits a total carbon content of ?40 wt.-ppm.
    Type: Application
    Filed: February 5, 2021
    Publication date: March 14, 2024
    Inventors: Murali SARANGAPANI, Yee Weon LIM, Wai Khee SEE THO, Mariyappan DHAYALAN, Chee Chow TAN, Juergen SCHARF, Sungsig KANG
  • Patent number: 11236430
    Abstract: A wire comprising a wire core with a surface, the wire core having a coating layer superimposed on its surface, wherein the wire core itself consists of: (a) pure silver consisting of (a1) silver in an amount in the range of from 99.99 to 100 wt.-% and (a2) further components in a total amount of from 0 to 100 wt.-ppm or (b) doped silver consisting of (b1) silver in an amount in the range of from >99.49 to 99.997 wt.-%, (b2) at least one doping element selected from the group consisting of calcium, nickel, platinum, palladium, gold, copper, rhodium and ruthenium in a total amount of from 30 to <5000 wt.-ppm and (b3) further components in a total amount of from 0 to 100 wt.-ppm, or (c) a silver alloy consisting of (c1) silver in an amount in the range of from 89.99 to 99.5 wt.-%, (c2) at least one alloying element selected from the group consisting of nickel, platinum, palladium, gold, copper, rhodium and ruthenium in a total amount in the range of from 0.5 to 10 wt.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: February 1, 2022
    Assignee: HERAEUS MATERIALS SINGAPORE PTE. LTD.
    Inventors: Yee Weon Lim, Xi Zhang, Senthil Kumar Balasubramanian, Suat Teng Tan, Jin Zhi Liao, Dan Su, Chee Wei Tok, Murali Sarangapani, Jurgen Scharf
  • Publication number: 20210222313
    Abstract: A wire comprising a wire core with a surface, the wire core having a coating layer superimposed on its surface, wherein the wire core itself consists of: (a) pure silver consisting of (a1) silver in an amount in the range of from 99.99 to 100 wt.-% and (a2) further components in a total amount of from 0 to 100 wt.-ppm or (b) doped silver consisting of (b1) silver in an amount in the range of from >99.49 to 99.997 wt.-%, (b2) at least one doping element selected from the group consisting of calcium, nickel, platinum, palladium, gold, copper, rhodium and ruthenium in a total amount of from 30 to <5000 wt.-ppm and (b3) further components in a total amount of from 0 to 100 wt.-ppm, or (c) a silver alloy consisting of (c1) silver in an amount in the range of from 89.99 to 99.5 wt.-%, (c2) at least one alloying element selected from the group consisting of nickel, platinum, palladium, gold, copper, rhodium and ruthenium in a total amount in the range of from 0.5 to 10 wt.
    Type: Application
    Filed: August 18, 2017
    Publication date: July 22, 2021
    Inventors: Yee Weon Lim, Xi Zhang, Senthil Kumar Balasubramanian, Suat Teng Tan, Jin Zhi Liao, Dan Su, Chee Wei Tok, Murali Sarangapani, Jurgen Scharf