SHADOW MASK MATERIAL FOR COLOR PICTURE TUBE, SHADOW MASK AND COLOR PICTURE TUBE

WIPO Patent Application WO/2000/049189

A1

Shadow mask material for a color picture tube excellent in tensile strength and high-temperature creep strength, a shadow mask and a color picture tube incorporating it, wherein the shadow mask material for a color picture tube consists of low carbon steel containing 0.001 to 0.4 wt.% of P and, as required, additionally, 0.0005 to 0.1 wt.% of C and 0.05 to 0.5 wt.% of Mn. The color picture tube is characterized in that a shadow mask is mounted to a frame with a vertical tension given to the shadow mask. The color picture tube is characterized by being mounted to a frame with vertical and lateral tensions given thereto.

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IDE TSUNEYUKI (JP)
MIYAZAKI TAKAHIKO (JP)
SHIGEMASA SUSUMU (JP)
TAHARA YASUO (JP)
SATO TAIZO (JP)

PCT/JP2000/000868

August 24, 2000

February 16, 2000

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TOYO KOHAN CO LTD (JP)
IDE TSUNEYUKI (JP)
MIYAZAKI TAKAHIKO (JP)
SHIGEMASA SUSUMU (JP)
TAHARA YASUO (JP)
SATO TAIZO (JP)

C22C38/00; H01J29/07; (IPC1-7): C22C38/00; C21D9/46; C22C38/04; H01J9/14

JPH0953122A	1997-02-25
JPH09111423A	1997-04-28
JPH09256063A	1997-09-30
JPH09272922A	1997-10-21
JPH10219397A	1998-08-18

Ohta, Akio (Yoyogi 2-chome Shibuya-ku Tokyo, JP)

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