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:
Jan. 14, 1992
Filed:
Apr. 27, 1990
Applicant:
Inventors:
Hermanus N Tuin, Eindhoven, NL;
Piet C Van Rens, Eindhoven, NL;
Assignee:
U. S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
445-8 ; 358247 ;
Abstract
The invention relates to a method of manufacturing a display tube in which a transparent plate 9 is secured to the display window 2 by securing means 10 located between and exclusively along the edge portions of the display window 2 and the transparent plate 9. Subsequently, the envelope and the space 12 between the display window and the transparent plate 9 are evacuated substantially simultaneously. An optical coupling means is then provided in the space 12 between the display window 2 and the transparent plate 9.