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. 17, 2009

Filed:

Oct. 11, 2005
Applicant:

Jeong Kweon Park, Gumi-si, KR;

Inventor:

Jeong Kweon Park, Gumi-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A thin film etching method includes forming a layer on a substrate, aligning a mask having a pattern defined thereon above the layer, and removing a portion of the layer by irradiating the substrate with a femtosecond laser through the mask.


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