Invention Grant
- Patent Title: Heat assisted magnetic recording heads having bilayer heat sinks
- Patent Title (中): 具有双层散热片的热辅助磁记录头
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Application No.: US13795616Application Date: 2013-03-12
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Publication No.: US08902719B2Publication Date: 2014-12-02
- Inventor: Tong Zhao , Ibro Tabakovic , Michael C. Kautzky , Venkatram Venkatasamy , Jie Gong
- Applicant: Seagate Technology LLC
- Applicant Address: US CA Cupertino
- Assignee: Seagate Technology LLC
- Current Assignee: Seagate Technology LLC
- Current Assignee Address: US CA Cupertino
- Agency: Mueting, Raasch & Gebhardt, P.A.
- Main IPC: G11B11/00
- IPC: G11B11/00 ; G11B5/60 ; G11B5/31 ; G11B13/04 ; G11B5/00
Abstract:
Disclosed herein is an apparatus that includes a near field transducer positioned adjacent to an air bearing surface of the apparatus; a first magnetic pole; and a heat sink positioned between the first magnetic pole and the near field transducer, wherein the heat sink includes a first and second portion, with the first portion being adjacent the near field transducer and the second portion being adjacent the first magnetic pole, the first portion including a plasmonic material, and the second portion including a diffusion blocking material.
Public/Granted literature
- US20130286804A1 HEAT ASSISTED MAGNETIC RECORDING HEADS HAVING BILAYER HEAT SINKS Public/Granted day:2013-10-31
Information query
IPC分类:
