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. 03, 1994
Filed:
Jun. 18, 1993
Applicant:
Inventor:
Norihiro Hosoi, Osaka, JP;
Assignee:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K / ;
U.S. Cl.
CPC ...
174256 ; 174268 ;
Abstract
A wiring board, which can be efficiency produced and has excellent heat resistance, and a method of manufacturing the same. With ion-irradiation, a conductive layer and a metal layer are formed in an insulating substrate. In the vicinity of the interface between the insulating substrate and the metal layer, a composition region, which includes the atoms of the insulating substrate and the metal layer, is formed by applying ions to a metal layer formed in the insulating substrate.