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:
Aug. 04, 2009
Filed:
Jul. 14, 2005
Miki Adachi, Naka, JP;
Toshiaki Ueda, Naka, JP;
Miki Adachi, Naka, JP;
Toshiaki Ueda, Naka, JP;
Mitsubishi Materials Corporation, Tokyo, JP;
Abstract
There is provided a surge absorber which has excellent chemical stability in a high-temperature region upon a sealing process and main discharge and has a long life span, by applying an oxide layer having excellent adhesion to a main discharge surface. A columnar ceramics in which conductive coating films are separately formed via a discharge gap, a pair of main discharge electrode members which face each other and are in contact with the conductive coating films and a barrel-shaped ceramics in which the columnar ceramics is enclosed together with sealing gas are included, and a glass member is enclosed in the barrel-shaped ceramics.