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:
Aug. 25, 1992
Filed:
Oct. 31, 1991
Applicant:
Inventor:
Masami Onodera, Niigata, JP;
Assignee:
System Seiko Co., Ltd., Niigata, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24B / ; B24B / ;
U.S. Cl.
CPC ...
51134 ; 51133 ; 5121 / ; 5121 / ; 5124 / ; 51118 ; 1983452 ; 1984761 ;
Abstract
An apparatus capable of simultaneously polishing a plurality of hard disk substrates at the same time includes at least three substrate carriers which are rotatably disposed on an index table and which carry and transfer a plurality of hard disk substrates, are moved successively through a substrate loading station, a substrate polishing station and a substrate removing station in response to intermittent rotation of the index table.
Onodera, Masami. (1992). Apparatus for polishing hard disk substrates (U.S. Patent No. 5140774). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5140774
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile