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:
Feb. 27, 2018

Filed:

Apr. 29, 2015
Applicant:

Seagate Technology Llc, Cupertino, CA (US);

Inventors:

Sundeep Chauhan, Fremont, CA (US);

Alexander Kantorov, Dublin, CA (US);

Kim Yang Lee, Fremont, CA (US);

David Kuo, Palo Alto, CA (US);

Rene Johannes Marinus Van de Veerdonk, Pleasanton, CA (US);

Barmeshwar Vikaramaditya, Eden Prairie, MN (US);

Assignee:

Seagate Technology LLC, Cupertino, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/17 (2006.01); G11B 5/86 (2006.01); G11B 5/74 (2006.01); G11B 5/855 (2006.01); G03F 7/004 (2006.01); G11B 5/596 (2006.01); G11B 11/03 (2006.01);
U.S. Cl.
CPC ...
G11B 5/865 (2013.01); G03F 7/0041 (2013.01); G11B 5/59638 (2013.01); G11B 5/746 (2013.01); G11B 5/855 (2013.01); G11B 11/03 (2013.01);
Abstract

Provided herein is a method, including forming a first template including a first pattern, wherein forming the first template includes self-assembly of diblock copolymers guided by an initial pattern; forming a second template including a second pattern, wherein the second pattern corresponds to a servo pattern; and forming a master template from the first template, wherein the master template includes one or more portions of the first pattern combined with the second pattern.


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