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:
Nov. 23, 1999
Filed:
Aug. 04, 1997
Applicant:
Inventors:
Takashi Kunimi, Tokyo, JP;
Masahiro Nezu, Saitama, JP;
Masatomo Mori, Saitama, JP;
Tadao Matsunaga, Miyagi, JP;
Assignee:
Akebono Brake Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01P / ;
U.S. Cl.
CPC ...
07351401 ; 200 / ;
Abstract
An acceleration sensor includes a first substrate, a second substrate and a third substrate. The second substrate has a through-hole, a first contact formed on an inner surface of the through-hole, and a first bonding pad connected to the first contact. An electrically conductive ball is accommodated in the through-hole. The third substrate has a recess, a second contact formed in the recess contacting the bottom of the electrically conductive ball, and a second bonding pad connected to the second contact.