国家/地区 日本（3）
IPC部 G（3）
IPC大类 G11（3）
IPC小类 G11B（3）
IPC G11B005/64（3） G11B005/65（3） G11B005/72（3）
发明人 HASEGAWA K（3） NAKAJIMA S（3） SAKAI S（3）
TSUMURAYA S（3）
公开年 2017（3）
申请年 2015（3） 
专利权人 NAT INST QUANTUM RADIOLOGICAL SCI（3）

Perpendicular magnetic recording medium used in magnetic recording and reproducing apparatus, has magnetic layer, and protective layer on nonmagnetic substrate and including graphene and/or laminate of graphene and amorphous carbon.

NAKAJIMA S, HASEGAWA K, SAKAI S, TSUMURAYA S

Method for manufacturing perpendicular magnetic recording medium, involves forming laminated portion of graphene and protective layer containing amorphous carbon in surface of perpendicular magnetic layer.

NAKAJIMA S, HASEGAWA K, SAKAI S, TSUMURAYA S

Perpendicular magnetic recording medium for magnetic recording and reproducing apparatus, is formed by laminating perpendicular magnetic layer, protective layer containing laminate of graphene, and lubricant layer on nonmagnetic substrate.

NAKAJIMA S, HASEGAWA K, SAKAI S, TSUMURAYA S