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. 23, 2002
Filed:
Oct. 08, 1998
Hans Galenkamp, Eindhoven, NL;
Bruno W. J. Spolders, Eindhoven, NL;
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Abstract
A method of manufacturing a display device comprising an air-tight envelope and at least a glass part ( ) which forms part of said air-tight envelope, is characterized in that the glass part ( ) is warmed up, during a first time period, at a first temperature (T ), whereafter the glass part is immersed, during a second time period, in a fluid ( ) at a second temperature (T ), said second temperature being lower than the first temperature (T <T ). Preferably, 25°≦T −T ≦85°, and, in particular, T −T ≈50°. Preferably, 50° C.≦T ≦100° C., and, in particular, T ≈65° C. Preferably, the glass part is a display window ( ) or a cone portion of a display window, and the fluid is water ( ).