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.

Date of Patent:
Feb. 14, 2012

Filed:

Jul. 05, 2007
Applicants:

Biing-hwa Yan, Kaohsiung City, TW;

Jung-chou Hung, Fongshan, TW;

Shao-chun Lien, Yangmei, TW;

Inventors:

Biing-Hwa Yan, Kaohsiung City, TW;

Jung-Chou Hung, Fongshan, TW;

Shao-Chun Lien, Yangmei, TW;

Assignee:

National Central University, Taoyuan County, TW;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B24D 18/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A micro-grinding device with a micro ball at an end is made. The micro ball is deposited with grinding particles. The grinding device is able to grind a surface having an arc degree more than 180 degrees. Thus, the present invention is suitable to be used for forming micro molds, removing burr, and micro-milling, micro-paring or micro-grinding a surface.


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