The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 04, 2010
Filed:
Jun. 22, 2006
Applicants:
Erik Lewin, Uppsala, SE;
Ulf Jansson, Uppsala, SE;
Ola Wilhelmsson, Gävle, SE;
Inventors:
Assignees:
ABB Research Ltd., Zürich, CH;
Impact Coatings AB, Linköping, SE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01H 1/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A contact element for making an electric contact to a contact member for enabling an electric current to flow between the contact element and the contact member includes a body having at least one contact surface thereof coated with a contact layer to be applied against the contact member. The contact layer includes a nanocomposite film having a matrix of amorphous carbon and crystallites of nano-size, i.e. with dimensions in the range of 1-100 nm, of at least one metal carbide embedded therein.