The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 24, 2005
Filed:
Mar. 28, 2001
Hideyuki Hashi, Kadoma, JP;
Taizou Hamada, Katano, JP;
Tatsuaki Ishida, Otsu, JP;
Kiyokazu Tohma, Hirakata, JP;
Hideyuki Hashi, Kadoma, JP;
Taizou Hamada, Katano, JP;
Tatsuaki Ishida, Otsu, JP;
Kiyokazu Tohma, Hirakata, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A magnetic transfer method includes a first step (ST) of preparing a magnetic disk, a second step (ST) of forming a layer of lubricant on the magnetic disk, a third step (ST) of bringing a surface of the magnetic layer on the magnetic disk into close contact with a magnetic transfer master having a magnetic film formed on at least one side and magnetically transferring a pattern of the magnetic film on the magnetic transfer master onto the surface of the magnetic disk through application of an external magnetic field, and a fourth step (STST) of burnishing at least a surface of the magnetic disk that comes into contact with the magnetic transfer master. The first step, the fourth step, the second step, the fourth step, and the third step are performed in the stated order.