Patents by Inventor Winfried Kraemer

Winfried Kraemer 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).

  • Lead-Free Solder with Improved Properties at Temperatures >150°C
    Publication number: 20100084050
    Abstract: Lead-free solders based on an Sn—In—Ag solder alloy contain 88 to 98.5 wt. % Sn, 1 to 10 wt. % In, 0.5 to 3.5 wt. % Ag, 0 to 1 wt. % Cu, and a doping with a crystallization modifier, the crystallization modifier preferably being a maximum of 100 ppm neodymium.
    Type: Application
    Filed: October 5, 2007
    Publication date: April 8, 2010
    Applicant: W.C. HERAEUS GMBH
    Inventors: Winfried Kraemer, Joerg Trodler