JPS547780A - Method of forming film on tubular bulb - Google Patents

Method of forming film on tubular bulb

Info

Publication number
JPS547780A
JPS547780A JP7295077A JP7295077A JPS547780A JP S547780 A JPS547780 A JP S547780A JP 7295077 A JP7295077 A JP 7295077A JP 7295077 A JP7295077 A JP 7295077A JP S547780 A JPS547780 A JP S547780A
Authority
JP
Japan
Prior art keywords
tubular bulb
bulb
forming film
tubular
film
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
JP7295077A
Other languages
Japanese (ja)
Inventor
Nobuaki Shindo
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 JP7295077A priority Critical patent/JPS547780A/en
Publication of JPS547780A publication Critical patent/JPS547780A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To form a film on the inner surface of tubular bulb with a simple apparatus and process, by applying electrostatic coating on the inner surface of tubular bulb by injecting powder of fluorescent material or the like mixed with a predetermined amount of other kind of fine powdery material into the tubular bulb, and then electrostatically coating fine particles suspended in the bulb on the previously formed film.
COPYRIGHT: (C)1979,JPO&Japio
JP7295077A 1977-06-20 1977-06-20 Method of forming film on tubular bulb Pending JPS547780A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7295077A JPS547780A (en) 1977-06-20 1977-06-20 Method of forming film on tubular bulb

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7295077A JPS547780A (en) 1977-06-20 1977-06-20 Method of forming film on tubular bulb

Publications (1)

Publication Number Publication Date
JPS547780A true JPS547780A (en) 1979-01-20

Family

ID=13504161

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7295077A Pending JPS547780A (en) 1977-06-20 1977-06-20 Method of forming film on tubular bulb

Country Status (1)

Country Link
JP (1) JPS547780A (en)

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