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:
Apr. 19, 1977
Filed:
Oct. 24, 1975
Stanley Electric Co., Ltd., Tokyo, JA;
Abstract
An indicating element comprises a base plate of P-type or N-type epitaxial crystals, a N-type or P-type indicating layer of diffusion or growth planarly formed on the base plate, and an electrode layer provided on the planar indicating layer and having a desired pattern thereon. The element is manufactured by forming an electrode on a rear surface of the base plate, forming the N-type or P-type planar indicating layer on an upper surface of the base plate by means of diffusion or crystal growth, and mounting on the planar indicating layer the electrode layer having the desired pattern thereon.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile