CATHODE-RAY TUBE

PROBLEM TO BE SOLVED: To reduce the weight of a funnel by optimizing the wall thickness of the funnel having unnecessary wall thickness. SOLUTION: If the length of a diagonal linking the corners of the rectangular part of the effective screen of a panel 1a is expressed by D [mm], and if the wall thi...

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Main Authors SUGAWARA TAKASHI, ITO JUNKO, ITO HIDEYA, TAKADA SHIRO, MIYAZAKI MASAYUKI, SAKAMOTO HIROO, YATOU TETSUOMI, NAGASAWA KAZUFUMI
Format Patent
LanguageEnglish
Published 30.03.2001
Edition7
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
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Summary:PROBLEM TO BE SOLVED: To reduce the weight of a funnel by optimizing the wall thickness of the funnel having unnecessary wall thickness. SOLUTION: If the length of a diagonal linking the corners of the rectangular part of the effective screen of a panel 1a is expressed by D [mm], and if the wall thickness at a position 75% of the length heading for the yoke 17 starting from the seal surface of the body 15 in a direction axially of the tube of the body 15 is expressed by t1 [mm], a part satisfying (2.78+0.0038×D)<=t1<=(3.7+0.0038×D) [mm] is to be included.
Bibliography:Application Number: JP19990258822