GB1438908A - Exposure apparatus for forming fluorescent screens of colour picture tubes - Google Patents

Exposure apparatus for forming fluorescent screens of colour picture tubes

Info

Publication number
GB1438908A
GB1438908A GB784474A GB784474A GB1438908A GB 1438908 A GB1438908 A GB 1438908A GB 784474 A GB784474 A GB 784474A GB 784474 A GB784474 A GB 784474A GB 1438908 A GB1438908 A GB 1438908A
Authority
GB
United Kingdom
Prior art keywords
lens
exposure apparatus
light source
faceplate
picture tubes
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.)
Expired
Application number
GB784474A
Other languages
English (en)
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of GB1438908A publication Critical patent/GB1438908A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/20—Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel
    • H01J9/22—Applying luminescent coatings
    • H01J9/227—Applying luminescent coatings with luminescent material discontinuously arranged, e.g. in dots or lines
    • H01J9/2271—Applying luminescent coatings with luminescent material discontinuously arranged, e.g. in dots or lines by photographic processes
    • H01J9/2272—Devices for carrying out the processes, e.g. light houses

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
  • Projection-Type Copiers In General (AREA)
GB784474A 1973-04-06 1974-02-21 Exposure apparatus for forming fluorescent screens of colour picture tubes Expired GB1438908A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48038715A JPS5226986B2 (enrdf_load_stackoverflow) 1973-04-06 1973-04-06

Publications (1)

Publication Number Publication Date
GB1438908A true GB1438908A (en) 1976-06-09

Family

ID=12533006

Family Applications (1)

Application Number Title Priority Date Filing Date
GB784474A Expired GB1438908A (en) 1973-04-06 1974-02-21 Exposure apparatus for forming fluorescent screens of colour picture tubes

Country Status (4)

Country Link
US (1) US3900854A (enrdf_load_stackoverflow)
JP (1) JPS5226986B2 (enrdf_load_stackoverflow)
FR (1) FR2224864B1 (enrdf_load_stackoverflow)
GB (1) GB1438908A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2185148A (en) * 1985-12-19 1987-07-08 Rca Corp Method for screening line screen slit mask color picture tubes

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5727574B2 (enrdf_load_stackoverflow) * 1974-03-13 1982-06-11
JPS5843852B2 (ja) * 1975-05-30 1983-09-29 株式会社日立製作所 ホセイレンズ
JPS5947860B2 (ja) * 1976-12-11 1984-11-21 株式会社東芝 カラ−受像管用露光装置
US4122461A (en) * 1977-07-11 1978-10-24 Gte Sylvania Incorporated Exposure apparatus and method for manufacturing a cathode ray tube display screen
KR200155319Y1 (ko) * 1995-09-25 1999-09-01 손욱 칼라 음극선관 제작용 노광장치

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3559546A (en) * 1967-11-01 1971-02-02 Sylvania Electric Prod Cathode ray tube screen exposure
NL158650B (nl) * 1971-05-14 1978-11-15 Philips Nv Werkwijze en inrichting voor het vervaardigen van een beeldscherm van een kleurentelevisiebeeldbuis.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2185148A (en) * 1985-12-19 1987-07-08 Rca Corp Method for screening line screen slit mask color picture tubes
GB2185148B (en) * 1985-12-19 1990-04-11 Rca Corp Method for screening line screen slit mask color picture tubes

Also Published As

Publication number Publication date
US3900854A (en) 1975-08-19
FR2224864B1 (enrdf_load_stackoverflow) 1976-12-03
JPS49127565A (enrdf_load_stackoverflow) 1974-12-06
DE2408993B2 (de) 1977-05-18
FR2224864A1 (enrdf_load_stackoverflow) 1974-10-31
JPS5226986B2 (enrdf_load_stackoverflow) 1977-07-18
DE2408993A1 (de) 1974-10-10

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PCNP Patent ceased through non-payment of renewal fee