Method for manufacturing color cathode ray tube
 A method for manufacturing a color CRT includes the step of coating a shadow mask of the color CRT in black. It further includes the step of forming an electron beam reflecting film by depositing tungsten oxide with a large electron beam reflection coefficient on the side of an electron beam irradiated surface of the shadow mask coated in black. 
Mitsubishi Denki Kabushiki Kaisha
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Morio Katsuhiro Tetsuya Kozoo Tohru
Yamamoto Ono Watanabe Nukui Hanada