BE831391A - PROCESS FOR MAKING A PERFORATED PART, IN PARTICULAR A MASK FOR A COLOR TELEVISION IMAGE TUBE - Google Patents

PROCESS FOR MAKING A PERFORATED PART, IN PARTICULAR A MASK FOR A COLOR TELEVISION IMAGE TUBE

Info

Publication number
BE831391A
BE831391A BE158319A BE158319A BE831391A BE 831391 A BE831391 A BE 831391A BE 158319 A BE158319 A BE 158319A BE 158319 A BE158319 A BE 158319A BE 831391 A BE831391 A BE 831391A
Authority
BE
Belgium
Prior art keywords
mask
making
color television
television image
perforated part
Prior art date
Application number
BE158319A
Other languages
French (fr)
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 BE831391A publication Critical patent/BE831391A/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
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F1/00—Etching metallic material by chemical means
    • C23F1/02—Local etching

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • ing And Chemical Polishing (AREA)
BE158319A 1974-07-17 1975-07-15 PROCESS FOR MAKING A PERFORATED PART, IN PARTICULAR A MASK FOR A COLOR TELEVISION IMAGE TUBE BE831391A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US489393A US3929532A (en) 1974-07-17 1974-07-17 Method for etching apertured work piece

Publications (1)

Publication Number Publication Date
BE831391A true BE831391A (en) 1975-11-03

Family

ID=23943671

Family Applications (1)

Application Number Title Priority Date Filing Date
BE158319A BE831391A (en) 1974-07-17 1975-07-15 PROCESS FOR MAKING A PERFORATED PART, IN PARTICULAR A MASK FOR A COLOR TELEVISION IMAGE TUBE

Country Status (9)

Country Link
US (1) US3929532A (en)
JP (1) JPS5134835A (en)
BE (1) BE831391A (en)
CA (1) CA1052673A (en)
DE (1) DE2532048A1 (en)
FR (1) FR2278795A1 (en)
GB (1) GB1512825A (en)
IT (1) IT1039337B (en)
NL (1) NL7508514A (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4105493A (en) * 1975-07-05 1978-08-08 The Gillette Company Production of shaving foil
US4094678A (en) * 1976-12-07 1978-06-13 Zenith Radio Corporation Method of making curved color cathode ray tube shadow masks having interregistrable electron beam-passing aperture patterns
US4061529A (en) * 1977-02-28 1977-12-06 Rca Corporation Method for making etch-resistant stencil with dichromate-sensitized casein coating
JPS607343B2 (en) * 1978-10-18 1985-02-23 日新製鋼株式会社 Manufacturing method of shadow mask for color television cathode ray tube
JPS5579025A (en) * 1978-12-09 1980-06-14 Higashine Shigai Nishi Itsuchiyou Kyoritsu Eisei Shiyori Kumiai Exhaust gas deodorizing apparatus for excretion tank truck
US4303466A (en) * 1980-06-19 1981-12-01 Buckbee-Mears Company Process of forming graded aperture masks
JPS5748491Y2 (en) * 1980-11-13 1982-10-25
CA1204143A (en) * 1982-08-27 1986-05-06 Kanemitsu Sato Textured shadow mask
US4632726A (en) * 1984-07-13 1986-12-30 Bmc Industries, Inc. Multi-graded aperture mask method
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
JP3282347B2 (en) * 1993-09-07 2002-05-13 ソニー株式会社 Etching method, color selection mechanism and manufacturing method thereof, and cathode ray tube
JP2764526B2 (en) * 1993-09-28 1998-06-11 大日本印刷株式会社 Manufacturing method of aperture grill and aperture grill
JPH07320652A (en) * 1994-05-27 1995-12-08 Toshiba Corp Manufacture of color picture tube and shadow mask

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2437228A (en) * 1943-08-05 1948-03-02 Buckbee Mears Co Reticle
US2750524A (en) * 1951-11-15 1956-06-12 Mergenthaler Linotype Gmbh Perforate mask for multicolor television apparatus and method of producting same
US3329541A (en) * 1960-05-20 1967-07-04 Buckbee Mears Co Method of forming fine mesh screens
US3609033A (en) * 1969-08-15 1971-09-28 Buckbee Mears Co Mask for etching enlargement
US3679500A (en) * 1970-08-07 1972-07-25 Dainippon Screen Mfg Method for forming perforations in metal sheets by etching

Also Published As

Publication number Publication date
US3929532A (en) 1975-12-30
JPS5416457B2 (en) 1979-06-22
NL7508514A (en) 1976-01-20
FR2278795B1 (en) 1979-08-24
CA1052673A (en) 1979-04-17
JPS5134835A (en) 1976-03-24
DE2532048A1 (en) 1976-02-05
FR2278795A1 (en) 1976-02-13
IT1039337B (en) 1979-12-10
GB1512825A (en) 1978-06-01
AU8271875A (en) 1977-01-06

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