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:
Mar. 24, 2009
Filed:
Sep. 19, 2005
Harsha Badarinarayan, Farmington Hills, MI (US);
Kazutaka Okamoto, Novi, MI (US);
Frank Hunt, West Bloomfield, MI (US);
Harsha Badarinarayan, Farmington Hills, MI (US);
Kazutaka Okamoto, Novi, MI (US);
Frank Hunt, West Bloomfield, MI (US);
Hitachi, Ltd., Tokyo, JP;
Abstract
A housing for an electrical circuit having a metal base with an open top and a metal lid which overlies the open top of the base and forms an interior chamber adapted to contain an electronic circuit. The outer periphery of the lid is attached to the base by friction stir welding to thereby form a hermetically sealed chamber dimensioned to contain an electronic circuit. An electronic port is electrically connected to the electronic circuit and accessible exteriorly of the housing.