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. 01, 2011
Filed:
Apr. 20, 2009
Jianxin Zhu, Eagan, MN (US);
Jianxin Zhu, Eagan, MN (US);
Seagate Technology LLC, Scotts Valley, CA (US);
Abstract
A method of processing a stack, the method including depositing a fusible material on a first hardmask layer, the first hardmask layer disposed on a surface of a pre-processed stack, the pre-processed stack being disposed on at least a portion of a substrate; heating the fusible material layer to a temperature at or above its melting point to cause it to form a fusible material sphere, the fusible material sphere disposed on less than the entire first hardmask layer; etching the first hardmask layer, wherein the fusible material sphere prevents a portion of the first hardmask layer from etching, thereby forming a second hardmask layer; and etching the pre-processed stack, wherein at least the second hardmask layer prevents a portion of the pre-processed stack from etching, thereby forming a stack.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile