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:
Sep. 19, 1995
Filed:
Mar. 31, 1994
Kumio Nago, Ikoma, JP;
Matsushita Electric Industrial Co., Ltd., Kadoma, JP;
Abstract
This soft magnetic multilayer film is magnetic isotropic and is provided with a high saturation magnetic flux density and an anisotropy of high magnetic permeability, so that it is suitable for the various magnetic head at a high production yield. The soft magnetic multilayer film is comprised of at least one film unit, which comprises a plurality of soft magnetic layers made of Fe--M--N component alloy or Fe--M--B--N component alloy are laminated through a non-magnetic insulating layer on a bias-applied substrate by means of a sputtering and are provided with a high magnetic permeability which direction is different from both neighboring soft magnetic layers through the magnetic insulating layer.