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:
Dec. 07, 2010

Filed:

Nov. 02, 2007
Applicants:

Hai Sun, Milpitas, CA (US);

Winnie Yu, San Jose, CA (US);

Hongping Yuan, Fremont, CA (US);

Yizhong Wang, Woodbury, MN (US);

Xianzhong Zeng, Fremont, CA (US);

Inventors:

Hai Sun, Milpitas, CA (US);

Winnie Yu, San Jose, CA (US);

Hongping Yuan, Fremont, CA (US);

Yizhong Wang, Woodbury, MN (US);

Xianzhong Zeng, Fremont, CA (US);

Assignee:

Western Digital (Fremont), LLC, Fremont, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03F 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method and system for providing a microelectric device, such as a magnetoresistive read sensor are described. The method and system include providing a mask layer on the microelectric device. The method and system further include exposing the mask layer to provide a mask. A portion of the mask covers a portion of the microelectric device. The step of exposing the mask layer further includes utilizing a chromeless alt-phase shift mask for providing the portion of the mask.


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