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:
Mar. 12, 1985
Filed:
Feb. 27, 1984
Applicant:
Inventors:
Nobuyuki Kaminaka, Osaka, JP;
Kenji Kanai, Osaka, JP;
Noboru Nomura, Kyoto, JP;
Yuji Omata, Osaka, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
428195 ; 428201 ; 428209 ; 428446 ; 428450 ; 428469 ; 428692 ; 428698 ; 428702 ; 428900 ; 428901 ;
Abstract
The invention provides a thin film element which includes a thin film of an organic material, which has a multilayered structure of thin films, and which has a protective film of multilayered structure having films of at least two nonmagnetic materials, or of a thin film of a mixture of at least two nonmagnetic insulating materials. The protective film has a low internal stress, and the step coverage and adhesion strength thereof at edges of the high step portion is excellent.