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JPS54134968A - Manufacture of fluorescent screen of color picture tube - Google Patents

Manufacture of fluorescent screen of color picture tube

Info

Publication number
JPS54134968A
JPS54134968A JP4216078A JP4216078A JPS54134968A JP S54134968 A JPS54134968 A JP S54134968A JP 4216078 A JP4216078 A JP 4216078A JP 4216078 A JP4216078 A JP 4216078A JP S54134968 A JPS54134968 A JP S54134968A
Authority
JP
Japan
Prior art keywords
picture tube
panel
fluorescent
fluorescent substance
dry
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP4216078A
Other languages
Japanese (ja)
Inventor
Nobuo Kida
Ryoichi Ogura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP4216078A priority Critical patent/JPS54134968A/en
Publication of JPS54134968A publication Critical patent/JPS54134968A/en
Pending legal-status Critical Current

Links

Landscapes

  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)

Abstract

PURPOSE: To dry sufficiently fluorescent substance dots as the base material of an excellent film in a fluorescent substance dot drying process of the manufacturing method for the fluorescent screen of a color picture tube, by providing a heat adjusting method between a heating device and the picture tube.
CONSTITUTION: To vapor-deposite an aluminum on fluorescent substance dots, it is required to form a film covering the entire surface without infiltrating into fluorescent-substance dots previouslyl. In order to form an excellent film, fluorescent substance dots should by dried sufficiently, and the center part and circumferential part of the panel of the picture tube should also be dried uniformly. For the purpose, a heater which can dry a large panel sufficiently and properly is arranged as a heating unit and the panel is carried over it. Then, a shielding board, etc., are inserted between the panel and heating unit to prevent overheat, and a shutter is inserted into the center part to dry the center part and circumferential part uniformly.
COPYRIGHT: (C)1979,JPO&Japio
JP4216078A 1978-04-12 1978-04-12 Manufacture of fluorescent screen of color picture tube Pending JPS54134968A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4216078A JPS54134968A (en) 1978-04-12 1978-04-12 Manufacture of fluorescent screen of color picture tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4216078A JPS54134968A (en) 1978-04-12 1978-04-12 Manufacture of fluorescent screen of color picture tube

Publications (1)

Publication Number Publication Date
JPS54134968A true JPS54134968A (en) 1979-10-19

Family

ID=12628190

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4216078A Pending JPS54134968A (en) 1978-04-12 1978-04-12 Manufacture of fluorescent screen of color picture tube

Country Status (1)

Country Link
JP (1) JPS54134968A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5679836A (en) * 1979-12-03 1981-06-30 Mitsubishi Electric Corp Method for forming filming film of color cathode-ray tube

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5242069A (en) * 1975-09-29 1977-04-01 Hitachi Ltd Manufacturing method fluorescent screen cathode raytubu

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5242069A (en) * 1975-09-29 1977-04-01 Hitachi Ltd Manufacturing method fluorescent screen cathode raytubu

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5679836A (en) * 1979-12-03 1981-06-30 Mitsubishi Electric Corp Method for forming filming film of color cathode-ray tube
JPS6366019B2 (en) * 1979-12-03 1988-12-19 Mitsubishi Electric Corp

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