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. 09, 1991
Filed:
Oct. 12, 1990
Applicant:
Inventors:
Assignee:
NGB Spark Plug Co., Ltd., Aichi, JP;
Primary Examiner:
Int. Cl.
CPC ...
C03B / ; C03C / ;
U.S. Cl.
CPC ...
65 43 ; 65 591 ; 65 594 ; 65 595 ;
Abstract
A method of joining a number of articles using a low-melting point glass whereby recesses in the layer of low-melting point glass initially formed before joining reduces the entrapment of bubbles within the glass layer. Preferably, the recesses are formed by protrusions in a mask used to form the coating of low-melting point glass prior to bonding.
Kawase, Hideyuki. (1991). Method of producing a joined article through bonding with low melting (U.S. Patent No. 5006143). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5006143
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