GB1252713A - - Google Patents

Info

Publication number
GB1252713A
GB1252713A GB1252713DA GB1252713A GB 1252713 A GB1252713 A GB 1252713A GB 1252713D A GB1252713D A GB 1252713DA GB 1252713 A GB1252713 A GB 1252713A
Authority
GB
United Kingdom
Prior art keywords
photo
images
pattern
sensitive
plate
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
Other languages
English (en)
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 filed Critical
Publication of GB1252713A publication Critical patent/GB1252713A/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
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/14—Manufacture of electrodes or electrode systems of non-emitting electrodes
    • H01J9/142—Manufacture of electrodes or electrode systems of non-emitting electrodes of shadow-masks for colour television tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Preparing Plates And Mask In Photomechanical Process (AREA)
  • ing And Chemical Polishing (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
GB1252713D 1969-08-15 1970-01-14 Expired GB1252713A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US85045069A 1969-08-15 1969-08-15

Publications (1)

Publication Number Publication Date
GB1252713A true GB1252713A (enrdf_load_stackoverflow) 1971-11-10

Family

ID=25308134

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1252713D Expired GB1252713A (enrdf_load_stackoverflow) 1969-08-15 1970-01-14

Country Status (7)

Country Link
US (1) US3609033A (enrdf_load_stackoverflow)
JP (1) JPS501870B1 (enrdf_load_stackoverflow)
BE (1) BE744171A (enrdf_load_stackoverflow)
DE (1) DE2005151A1 (enrdf_load_stackoverflow)
FR (1) FR2057648A5 (enrdf_load_stackoverflow)
GB (1) GB1252713A (enrdf_load_stackoverflow)
NL (1) NL7009574A (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4926590B1 (enrdf_load_stackoverflow) * 1970-09-03 1974-07-10
US3861798A (en) * 1972-05-22 1975-01-21 Hitachi Ltd Mask for aligning patterns
US3929532A (en) * 1974-07-17 1975-12-30 Rca Corp Method for etching apertured work piece
US3909311A (en) * 1974-08-05 1975-09-30 Hitachi Ltd Shadow mask for use in color picture tube and method for fabricating same
JPS5947946U (ja) * 1982-09-21 1984-03-30 大同特殊鋼株式会社 多段ロ−タリスイツチ
US5348825A (en) * 1991-07-02 1994-09-20 Dai Nippon Printing Co., Ltd. Method for manufacturing shadow mask and shadow mask manufactured by said method
EP0641009B1 (en) * 1993-08-25 2000-01-05 Kabushiki Kaisha Toshiba Color cathode ray tube and method of manufacturing the same

Also Published As

Publication number Publication date
JPS501870B1 (enrdf_load_stackoverflow) 1975-01-22
BE744171A (fr) 1970-06-15
DE2005151A1 (de) 1971-02-25
NL7009574A (enrdf_load_stackoverflow) 1971-02-17
US3609033A (en) 1971-09-28
FR2057648A5 (enrdf_load_stackoverflow) 1971-05-21

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee