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:
Oct. 13, 1992
Filed:
Oct. 30, 1990
Applicant:
Inventors:
Assignee:
Teraoka Seiko Co., Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01G / ; G01G / ; G01L / ;
U.S. Cl.
CPC ...
177211 ; 177229 ; 7386265 ; 338-5 ;
Abstract
Disclosed herein is a load cell provided with a high-precision load-sensing member of ceramic on which are formed patterns of thin-film resistance for strain gages which are not subject to breakage and variation of resistance. The load cell comprises a bending beam of ceramic material and strain gages of thin-film resistance formed thereon, with the bending beam having a surface coated with amorphous glass on which are formed said strain gages of thin-film resistance. The strain gages are formed from an alloy composed of iron and one or more selected from chromium, cobalt, tungsten, molybdenum, niobium, and tantalum, and a small amount of impurities.