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:
Apr. 28, 2009
Filed:
Nov. 28, 2005
Åke Öberg, Uppsala, SE;
Peter Hidman, Smedjebacken, SE;
Ragnar Österlund, Ludvika, SE;
Leif Pettersson, Västerås, SE;
Åke Öberg, Uppsala, SE;
Peter Hidman, Smedjebacken, SE;
Ragnar Österlund, Ludvika, SE;
Leif Pettersson, Västerås, SE;
ABB Research Ltd., Zürich, CH;
Abstract
A varistor including a varistor body with two parallel end faces made of a material that contains one or more metal oxides, and at least one electrode made of an electrically conductive electrode material arranged on any of the end faces of the varistor body. The electrode includes a layer of electrode material coated on the end face by means of an ion- or atom-transferring method, whereby the layer has a thickness within the interval of from 5 micrometers to 30 micro-meters.