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. 30, 1991
Filed:
Feb. 16, 1990
Applicant:
Inventor:
Akihiro Dohya, Tokyo, JP;
Assignee:
NEC Corporation, Minato, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B / ; H05K / ;
U.S. Cl.
CPC ...
174250 ; 174 32 ; 333-1 ; 333238 ; 361414 ;
Abstract
A multilayer wiring substrate which includes a plurality of laminated wiring layers, a plurality of insulating layers for providing insulation between the wiring layers, and a plurality of hollows provided within at least one of the insulating layers.