Method of inspection for cathode-ray tube component members and apparatus used for embodying the same

U.S. Patent Number: 5393255

Abstract: An inspection method and an inspection apparatus for the component members of the cathode-ray tube are disclosed. An inspection apparatus composed of normal members other than an object of inspection is prepared at the time of inspecting the phosphor screen of the screen panel, the electron gun or the shadow-mask constituting the cathode-ray tube. In advanced to assembling the cathode-ray tube, the object of inspection is mounted on the inspection apparatus, so that the conformance or rejection of the object of inspection is decided from the illuminated condition of the phosphor screen by irradiating electron beams thereon.

Inventors: Hisaoka; Yasushi (Amagasaki, JP), Yamane; Yoshio (Amagasaki, JP), Murakami; Hidenobu (Amagasaki, JP), Kinoshita; Yoshimi (Amagasaki, JP), Tobuse; Hiroaki (Amagasaki, JP), Yoshida; Kazuo (Amagasaki, JP), Ishii; Takashi (Nagaokakyo, JP), Koizumi; Hiroshi (Nagaokakyo, JP)

Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP)

Application Number: 08/202,773

Issued: 1995-02-28

Expired: 2007-02-28

Classes: 445/3 ; 445/63

Field of search: 445/3,4,63,64

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