Patent · US Active

Perpendicular magnetic recording medium

US10276192B2 · kind B2 · utility

0Cited by

2References

15Claims

0Family size

Assignee

Western Digital Technologies, Inc. · US

Inventors

Akemi Hirotsune · Yokohama, JP
Ikuko Takekuma · Odawara, JP
Junichi Sayama · Fujisawa, JP

Key dates

Filing date	Jul 11, 2013
Grant date	Apr 30, 2019
Priority date	—
Expiry date	Oct 24, 2033

Classification

Technology area (CPC G)Physics
CPC primaryG11B2005/0021
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

A magnetic recording medium includes an amorphous buffer layer, a hybrid layer including a barrier layer, and a texture control layer. The magnetic recording medium also includes a heat sink layer, an under layer, and a perpendicular recording layer.

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