CA985581A - Method for making a viewing screen structure for an apertured-mask cathode-ray tube using, as a photographic master, an apertured mask having a coating prepared by heating at two different rates - Google Patents

Method for making a viewing screen structure for an apertured-mask cathode-ray tube using, as a photographic master, an apertured mask having a coating prepared by heating at two different rates

Info

Publication number
CA985581A
CA985581A CA157,514A CA157514A CA985581A CA 985581 A CA985581 A CA 985581A CA 157514 A CA157514 A CA 157514A CA 985581 A CA985581 A CA 985581A
Authority
CA
Canada
Prior art keywords
apertured
mask
heating
making
ray tube
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
CA157,514A
Other languages
English (en)
Other versions
CA157514S (en
Inventor
Bradford K. Smith
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.)
RCA Corp
Original Assignee
RCA Corp
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 RCA Corp filed Critical RCA Corp
Application granted granted Critical
Publication of CA985581A publication Critical patent/CA985581A/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
    • H01J9/144—Mask treatment related to the process of dot deposition during manufacture of luminescent screen

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
CA157,514A 1971-12-23 1972-11-24 Method for making a viewing screen structure for an apertured-mask cathode-ray tube using, as a photographic master, an apertured mask having a coating prepared by heating at two different rates Expired CA985581A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21147571A 1971-12-23 1971-12-23

Publications (1)

Publication Number Publication Date
CA985581A true CA985581A (en) 1976-03-16

Family

ID=22787060

Family Applications (1)

Application Number Title Priority Date Filing Date
CA157,514A Expired CA985581A (en) 1971-12-23 1972-11-24 Method for making a viewing screen structure for an apertured-mask cathode-ray tube using, as a photographic master, an apertured mask having a coating prepared by heating at two different rates

Country Status (9)

Country Link
JP (1) JPS515270B2 (cs)
BE (1) BE793261A (cs)
CA (1) CA985581A (cs)
DE (1) DE2262509A1 (cs)
ES (1) ES409697A1 (cs)
FR (1) FR2164648B1 (cs)
GB (1) GB1384459A (cs)
IT (1) IT971167B (cs)
NL (1) NL7217524A (cs)

Also Published As

Publication number Publication date
GB1384459A (en) 1975-02-19
FR2164648B1 (cs) 1976-08-27
DE2262509A1 (de) 1973-07-05
FR2164648A1 (cs) 1973-08-03
JPS515270B2 (cs) 1976-02-18
IT971167B (it) 1974-04-30
NL7217524A (cs) 1973-06-26
BE793261A (fr) 1973-04-16
JPS4874782A (cs) 1973-10-08
ES409697A1 (es) 1975-12-16

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