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:
Jul. 19, 1977
Filed:
Dec. 22, 1975
Applicant:
Inventors:
Katsuyuki Matsushita, Izumi, JA;
Hideo Murayama, Izumi, JA;
Kazufumi Yawata, Izumi, JA;
Masaki Kobayakawa, Izumi, JA;
Assignee:
Nippon Electric Kagoshima, Ltd., Izumi, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
29 2514 ; 29 2517 ; 427 55 ; 4273 / ; 427379 ;
Abstract
A method for producing multi-figure luminescent display tubes comprising a step of baking a frit glass for fixing parts such as grid electrodes and filament supports onto a substrate which is provided with segment electrodes having phosphor layers applied thereon. The baking process is carried out in a non-oxidizing environment and an infrared heater is used prior to baking to eliminate the frit binder.
Matsushita, Katsuyuki. (1977). Method for producing multi-figure luminescent display tubes (U.S. Patent No. 4035885). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4035885
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile