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:
Sep. 15, 2009
Filed:
Mar. 09, 2007
Applicants:
Yeeu-chang Lee, Jung-li, TW;
Shen-hang Tu, Jung-li, TW;
Jyh-chen Chen, Jung-li, TW;
Jenq Yang Chang, Jung-li, TW;
Inventors:
Yeeu-Chang Lee, Jung-li, TW;
Shen-Hang Tu, Jung-li, TW;
Jyh-Chen Chen, Jung-li, TW;
Jenq Yang Chang, Jung-li, TW;
Assignee:
National Central University, Taoyuan, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/02 (2006.01); B21D 33/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An mold having a sub-micron, or even nano, structure is fabricated. The mold is a porous aluminum oxide mold. With the mold, a sub-micron pattern is easily imprinted on a large surface of a substrate or a LED. No expensive equipment is necessary. The fabricating process is fast and cheap and thus meets the needs of producers.