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:
Jun. 28, 1994
Filed:
Mar. 08, 1993
Yorio Iwasaki, Shimodate, JP;
Toshiro Okamura, Shimodate, JP;
Shigeharu Arike, Tochigi, JP;
Yasushi Shimada, Tsukuba, JP;
Hiroharu Kamiyama, Shimodate, JP;
Eisaku Namai, Shimodate, JP;
Fujio Kojima, Shimodate, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A coaxial conductor interconnection wiring board characterized by having at least one inner wall metallized conductive hole for connecting a conductive shield of coaxial conductor to a ground layer, or having connection metal layers for connecting ground layers or connecting the conductive shield to a ground layer, and an inner wall metallized conductive hole for connecting a central signal conductor of coaxial conductor to other circuits, is excellent in preventing crosstalk noise and shielding effect.