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. 22, 1988
Filed:
Nov. 05, 1986
Applicant:
Inventors:
Seiji Sagou, Fukaya, JP;
Takeo Itou, Fukaya, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; B05D / ;
U.S. Cl.
CPC ...
430 28 ; 427 55 ; 427 68 ; 427 71 ; 427205 ; 4272071 ; 4272082 ; 427314 ; 427331 ; 4273855 ; 430291 ;
Abstract
In a method for a phosphor screen of a cathode ray tube including the steps of forming a photo-tacky layer on a panel of a cathode ray tube, exposing the photo-tacky layer to form an adhesive pattern on the layer, and adhering phosphor powder on the adhesive pattern, in which these exposing and adhering steps are repeated. Before next exposing step, the photo-tacky layer is heated and then exposed after cooled. The heating step prevents the sensitivity of the layer from deterioration occurred by the preceding adhering step.