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:
Nov. 23, 2004
Filed:
Jul. 10, 2002
Applicant:
Inventors:
Hiroshi Komori, Otsu, JP;
Hiroki Yamazaki, Koga-gun, JP;
Assignee:
Nippon Electric Glass Co., Ltd., Otsu, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03C 2/900 ; C03C 3/087 ;
U.S. Cl.
CPC ...
C03C 2/900 ; C03C 3/087 ;
Abstract
On producing CRT funnel glass from CRT panel glass or CRT frit, Fe O is added in a range of 0.05 to 1 mass % so that the fluctuation of transmittance of light having a wavelength of 1,050 nm becomes 10% or less, at a thickness of 10 mm of the produced CRT funnel glass.