Asahi Glass Company, Limited

Hiroshi Wakatsuki

Naoki Yoshida

Yutaka Segawa

Atsuyoshi Takenaka

Masaru Yoshitake

Toshihiro Ohashi

Eiji Yanagisawa

Takeshi Shimazaki

Masaki Mizukami

Masuo Sugisaki

Masatoshi Ohyama

A press mold for fabricating a glass substrate, the glass substrate comprising a substrate; and a terrace-shaped flat portion formed on the substrate and having a grooved portion formed therein, is characterized in that the press mold comprises a top mold and a bottom mold; at least one of the top mold and the bottom mold having an indented portion formed therein so as to correspond to the terrace-shaped flat portion, the indented portion having an entire periphery surrounded by a mold reference surface.

Glass substrate having a grooved portion, method for fabricating the same, and press mold for fabricating the glass substrate

Panel for a color cathode ray tube

A glass forming mold which comprises a substrate made of stainless steel and a coating comprising the following components formed as the outermost surface coating on the substrate: (1) from 40 to 94 wt % of nickel and/or cobalt as component A; (2) from 5 to 59 wt % of tungsten as component B; and (3) from 0.5 to 40 wt % of at least one transition element having a melting point of at least 2,200.degree. C. as component C.

Method for forming a glass product for a cathode ray tube

Growing community of inventors

Yokohama, Japan

Hiroshi Wakatsuki