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.:

US 7144305 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 05, 2006

Filed:

Jun. 09, 2005
Applicants:

Yoshiaki Toyoshima, Tokyo, JP;

Hideo Toriumi, Tokyo, JP;

Shin-ichiro Taguchi, Tokyo, JP;

Inventors:

Yoshiaki Toyoshima, Tokyo, JP;

Hideo Toriumi, Tokyo, JP;

Shin-ichiro Taguchi, Tokyo, JP;

Assignee:

Hoya Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24B 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A polishing apparatus includes a polishing jig. The polishing jig includes an elastic balloon member, a fixture, and a fluid supply portion. The fixture airtightly closes the rear opening portion of the balloon member. The fluid supply portion supplies a fluid into a space formed by the fixture and balloon member. The balloon member has a cup shape constructed by a dome portion and a cylinder portion extending backward from the outer periphery of the dome portion. The fixture fixes the opening portion of the cylinder portion of the balloon member.


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Toyoshima, Yoshiaki. (2006). Polishing apparatus (U.S. Patent No. 7144305). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7144305

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