AR223591A1 - A MASK WITH A PLURALITY OF VIEW LINE OPENINGS FOR A TELEVISION TUBE AND A METHOD FOR OBTAINING IT - Google Patents

A MASK WITH A PLURALITY OF VIEW LINE OPENINGS FOR A TELEVISION TUBE AND A METHOD FOR OBTAINING IT

Info

Publication number
AR223591A1
AR223591A1 AR28520981A AR28520981A AR223591A1 AR 223591 A1 AR223591 A1 AR 223591A1 AR 28520981 A AR28520981 A AR 28520981A AR 28520981 A AR28520981 A AR 28520981A AR 223591 A1 AR223591 A1 AR 223591A1
Authority
AR
Argentina
Prior art keywords
mask
obtaining
view line
line openings
television tube
Prior art date
Application number
AR28520981A
Other languages
Spanish (es)
Original Assignee
Buckbee Mears Co
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
Priority claimed from US06/148,683 external-priority patent/US4353948A/en
Application filed by Buckbee Mears Co filed Critical Buckbee Mears Co
Application granted granted Critical
Publication of AR223591A1 publication Critical patent/AR223591A1/en

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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/06—Screens for shielding; Masks interposed in the electron stream
    • H01J29/07—Shadow masks for colour television tubes
    • H01J29/076—Shadow masks for colour television tubes characterised by the shape or distribution of beam-passing apertures

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
  • ing And Chemical Polishing (AREA)
AR28520981A 1980-05-12 1981-05-05 A MASK WITH A PLURALITY OF VIEW LINE OPENINGS FOR A TELEVISION TUBE AND A METHOD FOR OBTAINING IT AR223591A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14868280A 1980-05-12 1980-05-12
US06/148,683 US4353948A (en) 1980-05-12 1980-05-12 Hole technology

Publications (1)

Publication Number Publication Date
AR223591A1 true AR223591A1 (en) 1981-08-31

Family

ID=26846063

Family Applications (1)

Application Number Title Priority Date Filing Date
AR28520981A AR223591A1 (en) 1980-05-12 1981-05-05 A MASK WITH A PLURALITY OF VIEW LINE OPENINGS FOR A TELEVISION TUBE AND A METHOD FOR OBTAINING IT

Country Status (6)

Country Link
EP (1) EP0039906B1 (en)
JP (1) JPH0713158Y2 (en)
AR (1) AR223591A1 (en)
BR (1) BR8102909A (en)
CA (1) CA1175876A (en)
DE (1) DE3175329D1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0487106B1 (en) * 1990-11-22 1997-07-02 Kabushiki Kaisha Toshiba Shadow mask for color cathode ray tube

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4881762U (en) * 1971-12-30 1973-10-05
US3973965A (en) * 1972-05-30 1976-08-10 Tokyo Shibaura Electric Co., Ltd. Making shadow mask with slit-shaped apertures for CRT
US4069085A (en) * 1973-07-16 1978-01-17 U.S. Philips Corporation Apparatus for forming apertures in a thin metal tape such as a shadow mask for a color television display tube
US3916243A (en) * 1974-09-20 1975-10-28 Buckbee Mears Co Channeled shadow mask
JPS5310961A (en) * 1976-07-19 1978-01-31 Hitachi Ltd Color picture tube
GB2020892A (en) * 1978-05-10 1979-11-21 Rca Corp C.R.T. Silt Type Shadow Mask
US4293792A (en) * 1979-12-18 1981-10-06 Rca Corporation Color picture tube having improved slit type shadow mask

Also Published As

Publication number Publication date
CA1175876A (en) 1984-10-09
JPH069043U (en) 1994-02-04
DE3175329D1 (en) 1986-10-23
JPH0713158Y2 (en) 1995-03-29
EP0039906A2 (en) 1981-11-18
BR8102909A (en) 1982-02-02
EP0039906A3 (en) 1982-06-16
EP0039906B1 (en) 1986-09-17

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