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. 12, 2005
Filed:
Jun. 20, 2001
Shinichi Aoki, Yamaguchi-ken, JP;
Toshiyuki Ueda, Yamaguchi-ken, JP;
Naomi Yabuta, Yamaguchi-ken, JP;
Masahiro Fukumoto, Yamaguchi-ken, JP;
Jun Agari, Yamaguchi-ken, JP;
Shinichi Aoki, Yamaguchi-ken, JP;
Toshiyuki Ueda, Yamaguchi-ken, JP;
Naomi Yabuta, Yamaguchi-ken, JP;
Masahiro Fukumoto, Yamaguchi-ken, JP;
Jun Agari, Yamaguchi-ken, JP;
Toyo Kohan Co., Ltd., Tokyo, JP;
Abstract
A subject of the present invention is to provide for a shadow mask material for a color picture tube with excellent tensile strength and excellent high temperature creep strength, a shadow mask made of the shadow mask material and a color picture tube with the shadow mask. Material for a shadow mask is made from low carbon steel containing manganese of equal or more than 0.60 wt % and aluminum of 0.002 to 0.12 wt %. A shadow mask is made of the material and the shadow mask is installed in a picture image tube.