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Chit Yiu Chan

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  • Shatin, HK
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Patents Grantslast 30 patents

  • Information Patent Grant

    Shielding coating for selective metallization
    • Patent number 9,970,114
    • Issue date May 15, 2018
    • Rohm and Haas Electronic Materials LLC
    • Hung Tat Chan
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Shielding coating for selective metallization
    • Patent number 9,850,578
    • Issue date Dec 26, 2017
    • Rohm and Haas Electronic Materials LLC
    • Hung Tat Chan
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Shielding coating for selective metallization
    • Patent number 9,797,043
    • Issue date Oct 24, 2017
    • Rohm and Haas Electronic Materials LLC
    • Hung Tat Chan
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Organic solderability preservative and method
    • Patent number 8,961,678
    • Issue date Feb 24, 2015
    • Rohm and Haas Electronic Materials LLC
    • Qin Tang
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

  • Information Patent Application

    GOLD PLATING SOLUTION
    • Publication number 20180327908
    • Publication date Nov 15, 2018
    • DOW GLOBAL TECHNOLOGIES LLC
    • Lingli DUAN
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    SHIELDING COATING FOR SELECTIVE METALLIZATION
    • Publication number 20180073149
    • Publication date Mar 15, 2018
    • Rohm and Haas Electronic Materials L.L.C.
    • Hung Tat Chan
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    METHOD FOR FORMING ORGANIC COATING ON COPPER SURFACE
    • Publication number 20170183783
    • Publication date Jun 29, 2017
    • Rohm and Haas Electronic Materials L.L.C.
    • Qin Tang
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    METHOD FOR FORMING ORGANIC COATING ON NICKEL SURFACE
    • Publication number 20170181292
    • Publication date Jun 22, 2017
    • Rohm and Haas Electronic Materials L.L.C.
    • Qin Tang
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    ORGANIC SOLDERABILITY PRESERVATIVE AND METHOD
    • Publication number 20140174322
    • Publication date Jun 26, 2014
    • Rohm and Haas Electronic Materials L.L.C.
    • Qin TANG
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...