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:
Jun. 07, 1994
Filed:
Aug. 30, 1991
Applicant:
Inventors:
Katsuyuki Yamada, Mishima, JP;
Eiichi Ohta, Kawasaki, JP;
Kenji Kameyama, Sagamihara, JP;
Hitoshi Kondo, Machida, JP;
Yuji Kimura, Yokohama, JP;
Masaetsu Takahashi, Yokohama, JP;
Makoto Tanabe, Yokohama, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F / ; G02F / ; G02F / ; B05D / ;
U.S. Cl.
CPC ...
359 58 ; 427578 ; 427589 ; 359 62 ; 359 79 ; 359 82 ;
Abstract
A deposited multi-layer device of an electronic element and a plastic substrate on which an inorganic substance thin film layer is simultaneously formed on both surfaces of the substrate wherein each of the electronic element, plastic substrate and inorganic thin film have internal and thermal stress not equal to zero. The device is free from peeling, deformation or curl of the substrate and degradation due to impurities such as acid, alkali and water.