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:
Aug. 06, 2019

Filed:

Mar. 02, 2017
Applicant:

Seagate Technology Llc, Cupertino, CA (US);

Inventors:

Bin Lu, San Ramon, CA (US);

Jan-Ulrich Thiele, Sunnyvale, CA (US);

Ganping Ju, Pleasanton, CA (US);

Xiaoding Ma, Fremont, CA (US);

YingGuo Peng, San Ramon, CA (US);

YinFeng Ding, Fremont, CA (US);

Assignee:

Seagate Technology LLC, Cupertino, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/66 (2006.01); G11B 5/65 (2006.01); G11B 5/00 (2006.01); B32B 15/04 (2006.01);
U.S. Cl.
CPC ...
G11B 5/66 (2013.01); G11B 5/65 (2013.01); B32B 15/04 (2013.01); G11B 2005/0021 (2013.01);
Abstract

Provided herein is an apparatus including a layer stack. A first granular metal layer overlies the layer stack, wherein the first granular metal layer includes first metal grains separated by voids. A first granular non-metal layer overlies the first granular metal layer, wherein the first granular non-metal layer includes first non-metal grains separated by a first segregant. A second granular non-metal layer overlies the first granular non-metal layer, wherein the second granular non-metal layer includes second non-metal grains separated by a second segregant. A second granular metal layer overlies the second granular non-metal layer, wherein the second granular metal layer includes second metal grains separated by a third segregant.


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