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:
Sep. 13, 2011
Filed:
Aug. 31, 2006
Yoji Hasegawa, Shizuoka, JP;
Takeshi Kodama, Kanagawa, JP;
Kenichi Matsuura, Kanagawa, JP;
Makoto Furukawa, Fukushima, JP;
Yoji Hasegawa, Shizuoka, JP;
Takeshi Kodama, Kanagawa, JP;
Kenichi Matsuura, Kanagawa, JP;
Makoto Furukawa, Fukushima, JP;
Sony Corporation, , JP;
Abstract
A short arc type high voltage electrical discharge electrode includes an electrode center spindle made from a refractory metal and having a tip; and an electrode main body made from a refractory metal and disposed at the tip of the electrode center spindle. The electrode center spindle is subjected to final sintering, the electrode main body is subjected to temporary sintering, and the final-sintered electrode center spindle is inserted into a center hole of the temporary-sintered electrode main body so as to form combination which is sintered together.