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:
Sep. 15, 1987
Filed:
Nov. 28, 1984
Applicant:
Inventor:
Toshiyuki Mori, Tokyo, JP;
Assignee:
Disco Abrasive Systems, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B24B / ;
U.S. Cl.
CPC ...
511313 ; 51235 ;
Abstract
A grinding apparatus comprising a supporting base and at least one grinding wheel assembly disposed to face to the supporting base. The supporting base includes at least one holding table and the surface of the holding table protrudes beyond the surface of the supporting base. The grinding wheel assembly includes a rotatably mounted supporting shaft and a grinding wheel mounted to the supporting shaft. At least the surface layer of the holding table is made of 2MgO.SiO.sub.2 -type ceramics.