Patent ID: 6586871
Filing Date: 2003-07-01
Classification: C03C,H01J

Abstract:
A CRT panel glass comprising:a substrate glass; and a surface treating film formed on an outer surface of the substrate glass, wherein the surface treating film is formed on the outer surface so that a value A defined by the following mathematical expression is less than 1 within an effective picture plane: Value&it;â€ƒ&it;A=&LeftBracketingBar;1-Tgf&af;(min)Tgf&af;(max)1-Tg&af;(min)Tg&af;(max)&RightBracketingBar;â€ƒwhere: Tg(min) and Tg(max) represent a minimum transmittance (%) and a maximum transmittance (%) of the substrate glass, respectively, and Tgf(max) and Tgf(min) represent a maximum transmittance (%) and a minimum transmittance (%) of an integral body comprising the substrate glass and the surface treating film.