Patents by Inventor Wan Zhang-Beglinger

Wan Zhang-Beglinger 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: 20110147225
    Abstract: A high speed method of depositing palladium and palladium alloys is disclosed. The high speed method uses an aqueous, ammonia-based bath which has reduced free ammonia in the bath. The high speed method may be used to deposit palladium and palladium alloy coatings on various substrates such as electrical devices and jewelry.
    Type: Application
    Filed: October 26, 2010
    Publication date: June 23, 2011
    Applicant: Rohm and Haas Electronic Materials LLC
    Inventors: Wan Zhang-Beglinger, Margit Clauss, Jonas Guebey, Felix J. Schwager
  • Publication number: 20110147220
    Abstract: Anti-displacement hard gold compositions are disclosed for inhibiting displacement of metal from substrates which are plated with the hard gold. The anti-displacement hard gold compositions may be used to spot plate substrates with hard gold.
    Type: Application
    Filed: September 22, 2010
    Publication date: June 23, 2011
    Applicant: Rohm and Haas Electronic Materials LLC
    Inventors: Wan Zhang-Beglinger, Jonas Guebey, André Egli
  • Publication number: 20090038950
    Abstract: A high speed method of depositing palladium and palladium alloys is disclosed. The high speed method uses an aqueous, ammonia-based bath which has reduced free ammonia in the bath. The high speed method may be used to deposit palladium and palladium alloy coatings on various substrates such as electrical devices and jewelry.
    Type: Application
    Filed: July 21, 2008
    Publication date: February 12, 2009
    Applicant: Rohm and Haas Electronic Materials LLC
    Inventors: Wan Zhang-Beglinger, Margit Clauss, Jonas Guebey, Felix J. Schwager