JPS64628A - Fluorescent surface forming method for fluorescent character display tube - Google Patents

Fluorescent surface forming method for fluorescent character display tube

Info

Publication number
JPS64628A
JPS64628A JP15601187A JP15601187A JPS64628A JP S64628 A JPS64628 A JP S64628A JP 15601187 A JP15601187 A JP 15601187A JP 15601187 A JP15601187 A JP 15601187A JP S64628 A JPS64628 A JP S64628A
Authority
JP
Japan
Prior art keywords
electrode
fluorescent
mask
fluorescent surface
forming method
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.)
Granted
Application number
JP15601187A
Other languages
Japanese (ja)
Other versions
JPH01628A (en
JP2612859B2 (en
Inventor
Hitoshi Hattori
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP62156011A priority Critical patent/JP2612859B2/en
Publication of JPH01628A publication Critical patent/JPH01628A/en
Publication of JPS64628A publication Critical patent/JPS64628A/en
Application granted granted Critical
Publication of JP2612859B2 publication Critical patent/JP2612859B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To obtain a fluorescent surface having an accurate dot size by coating a segment electrode of a substrate with a photoresist layer, fitting a mask on it so that the segment electrode is exposed in dots, and making fluorescent powder adhere to them.
CONSTITUTION: An aluminum segment electrode 3 is formed on glass plate substrate 2 with photoetching process. The electrode 3 is then coated with a positive type photoresist layer 10 or the like for fine processing and baked. A mask 11 formed with a slit 11a for introducing light is then fitted on it. The width of the slit 11a formed to extend in the direction of arrangement of the electrode 3 determines one side of a dot of the fluorescent surface. Then, exposing through the mask 11, developing and removing the layer 10, part 3a of the electrode 3 is exposed. After making fluorescent powder adhere to it, the mask 11 and the resist 10 are removed. This makes it possible to obtain a fluorescent surface in a condition of dots with good accuracy on the electrode 3.
COPYRIGHT: (C)1989,JPO&Japio
JP62156011A 1987-06-23 1987-06-23 Method of forming phosphor screen in fluorescent display tube Expired - Lifetime JP2612859B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62156011A JP2612859B2 (en) 1987-06-23 1987-06-23 Method of forming phosphor screen in fluorescent display tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62156011A JP2612859B2 (en) 1987-06-23 1987-06-23 Method of forming phosphor screen in fluorescent display tube

Publications (3)

Publication Number Publication Date
JPH01628A JPH01628A (en) 1989-01-05
JPS64628A true JPS64628A (en) 1989-01-05
JP2612859B2 JP2612859B2 (en) 1997-05-21

Family

ID=15618370

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62156011A Expired - Lifetime JP2612859B2 (en) 1987-06-23 1987-06-23 Method of forming phosphor screen in fluorescent display tube

Country Status (1)

Country Link
JP (1) JP2612859B2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50120960A (en) * 1974-03-11 1975-09-22
JPS5213769A (en) * 1975-07-23 1977-02-02 Toshiba Corp Fluorescent display tube manufacturing process
JPS61267224A (en) * 1985-05-20 1986-11-26 Ricoh Co Ltd Formation of fluorescent screen in fluorescent character display tube

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50120960A (en) * 1974-03-11 1975-09-22
JPS5213769A (en) * 1975-07-23 1977-02-02 Toshiba Corp Fluorescent display tube manufacturing process
JPS61267224A (en) * 1985-05-20 1986-11-26 Ricoh Co Ltd Formation of fluorescent screen in fluorescent character display tube

Also Published As

Publication number Publication date
JP2612859B2 (en) 1997-05-21

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