logo

For the Inventor, By the Inventor

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.:

US 4920013 B1

PDFFull Text
Date of Patent:
Apr. 24, 1990

Filed:

Sep. 23, 1987

Magnetic multilayer structure

Applicant:
Inventors:

Toshio Kobayashi, Tokyo, JP;

Shigekazu Otomo, Sayama, JP;

Ryoichi Nakatani, Akigawa, JP;

Noriyuki Kumasaka, Ome, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:

Antonelli, Terry & Wands

Primary Examiner:

George F Lesmes

Assistant Examiner:

Dennis V Carmen

Int. Cl.
CPC ...
B32B / ; G11B / ;
U.S. Cl.
CPC ...
428694 ; 428698 ; 428900 ;
Abstract

A magnetic multilayer structure having an increased permeability and an increased saturation magnetic flux density comprises a plurality of magnetic layers and a plurality of intermediate layers alternately laminated one upon another. Each of the magnetic layers is made of Fe, Co, Ni or an alloy containing one of Fe, Co and Ni, while each of the intermediate layers is made of a material capable of interstitially forming a solid solution with the material of the magnetic layers.

Find Patent Forward Citations

Kobayashi, Toshio. (1990). Magnetic multilayer structure (U.S. Patent No. 4920013). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4920013

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…