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:
Apr. 30, 2013

Filed:

Mar. 29, 2011
Applicant:

Shien-cheng Kuo, Tu-Cheng, TW;

Inventor:

Shien-Cheng Kuo, Tu-Cheng, TW;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D 39/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An aluminum-plastic composite structure includes an aluminum portion and a plastic portion. The aluminum portion defines a plurality of micro grooves by ultraviolet lithography. The plastic portion is integrally formed on the aluminum portion and substantially filling in the micro grooves. A width of each micro groove is in a range from 0.02 millimeters to 0.05 millimeters. A depth of each micro groove is in a range from 0.2 millimeters to 0.25 millimeters.


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