Invention Grant
- Patent Title: HAMR NFT materials with improved thermal stability
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Application No.: US13867179Application Date: 2013-04-22
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Publication No.: US09805757B2Publication Date: 2017-10-31
- Inventor: Tong Zhao , Michael Christopher Kautzky , William Albert Challener , Michael Allen Seigler
- 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 ; G11B5/127 ; G11B13/04 ; B82Y10/00 ; G02B6/10 ; G11B5/31 ; G11B5/00 ; G11B5/60

Abstract:
A near field transducer includes gold and at least one dopant. The dopant can include at least one of: Cu, Rh, Ru, Ag, Ta, Cr, Al, Zr, V, Pd, Ir, Co, W, Ti, Mg, Fe, or Mo. The dopant concentration may be in a range from 0.5% and 30%. The dopant can be a nanoparticle oxide of V, Zr, Mg, Ca, Al, Ti, Si, Ce, Y, Ta, W, or Th, or a nitride of Ta, Al, Ti, Si, In, Fe, Zr, Cu, W or B.
Public/Granted literature
- US20130235707A1 HAMR NFT MATERIALS WITH IMPROVED THERMAL STABILITY Public/Granted day:2013-09-12
Information query
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