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:
Mar. 22, 2011
Filed:
Dec. 12, 2008
Xianzhong Zeng, Fremont, CA (US);
Hai Sun, Milpitas, CA (US);
Hongping Yuan, Fremont, CA (US);
Dujiang Wan, Fremont, CA (US);
Ling Wang, Hercules, CA (US);
Xianzhong Zeng, Fremont, CA (US);
Hai Sun, Milpitas, CA (US);
Hongping Yuan, Fremont, CA (US);
Dujiang Wan, Fremont, CA (US);
Ling Wang, Hercules, CA (US);
Western Digital (Fremont), LLC, Fremont, CA (US);
Abstract
An optical mask for providing a pattern for portion of an electronic device, such as a magnetic recording transducer, is disclosed. The optical mask includes a device feature and at least one detached correction feature. The device feature includes a corner corresponding to a device corner of the pattern. The device corner has an angle of greater than zero degrees and less than one hundred eighty degrees. The at least one detached correction feature resides in proximity to but is physically separated from the corner. Each of the at least one detached correction feature is sub-resolution.