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:
May. 20, 1997
Filed:
May. 24, 1996
Tadahito Kanaizuka, Ichikawa, JP;
Atsushi Kawamoto, Ichikawa, JP;
Koichi Yamagishi, Ichikawa, JP;
Shinichi Yasuda, Ichikawa, JP;
Yasunori Yamanobe, Ichikawa, JP;
Shinichi Hayashi, Ichikawa, JP;
Sumitomo Metal Mining Co., Ltd., Tokyo, JP;
Abstract
A magnetic disc manufacturing apparatus is includes a polishing device for conducting a surface polishing treatment on a disc, a supply device for supplying lubricant onto the polished disc, and a feeding mechanism for feeding the disc between the devices. If necessary, it is provided with a curing device for curing the lubricant on the disc. The treatments of the devices and the disc feeding operation are synchronized with one another, and a disc processed in each device is fed to a next device at a constant time interval by the feeding mechanism, thereby performing a continuous disc manufacturing process.