Patent · US Active

Magnetic device containing a heater

US8760808B2 · kind B2 · utility

5Cited by
64References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 29, 2010
Grant dateJun 24, 2014
Priority date
Expiry dateJun 7, 2031

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B5/6011
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An apparatus that includes a writer that includes a write pole, at least one return pole, a writer coil and a write pole tip, wherein the write coil wraps around the write pole such that the flow of electrical current through the write coil generates a magnetic flux at the write pole tip, and wherein the write coil has a writer coil shape; and a heater that includes a resistive material, wherein the heater has a heater shape that substantially matches the writer coil shape.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.