IT1055737B - Procedimento per l incisione chimica di aperture in un foglio per ottenere una maschera d ombra per un cinescopio a colori - Google Patents

Procedimento per l incisione chimica di aperture in un foglio per ottenere una maschera d ombra per un cinescopio a colori

Info

Publication number
IT1055737B
IT1055737B IT6701076A IT6701076A IT1055737B IT 1055737 B IT1055737 B IT 1055737B IT 6701076 A IT6701076 A IT 6701076A IT 6701076 A IT6701076 A IT 6701076A IT 1055737 B IT1055737 B IT 1055737B
Authority
IT
Italy
Prior art keywords
cinescope
openings
color
procedure
sheet
Prior art date
Application number
IT6701076A
Other languages
English (en)
Italian (it)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of IT1055737B publication Critical patent/IT1055737B/it

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)
  • Manufacturing Of Printed Circuit Boards (AREA)
IT6701076A 1975-01-09 1976-01-05 Procedimento per l incisione chimica di aperture in un foglio per ottenere una maschera d ombra per un cinescopio a colori IT1055737B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7500247A NL7500247A (nl) 1975-01-09 1975-01-09 Werkwijze voor het etsen van openingen in een dunne metalen band.

Publications (1)

Publication Number Publication Date
IT1055737B true IT1055737B (it) 1982-01-11

Family

ID=19822960

Family Applications (1)

Application Number Title Priority Date Filing Date
IT6701076A IT1055737B (it) 1975-01-09 1976-01-05 Procedimento per l incisione chimica di aperture in un foglio per ottenere una maschera d ombra per un cinescopio a colori

Country Status (10)

Country Link
JP (1) JPS5536268B2 (nl)
AU (1) AU503706B2 (nl)
BE (1) BE837377A (nl)
BR (1) BR7600036A (nl)
CA (1) CA1054905A (nl)
ES (1) ES444114A1 (nl)
FR (1) FR2297258A1 (nl)
GB (1) GB1480323A (nl)
IT (1) IT1055737B (nl)
NL (1) NL7500247A (nl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56139676A (en) * 1980-04-02 1981-10-31 Toshiba Corp Method and apparatus for etching metal sheet
JPS6023515A (ja) * 1983-07-18 1985-02-06 Nitto Kasen Kogyo Kk 横開き水門の閉塞装置
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

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2750524A (en) * 1951-11-15 1956-06-12 Mergenthaler Linotype Gmbh Perforate mask for multicolor television apparatus and method of producting same
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
JPS5536268B2 (nl) 1980-09-19
BR7600036A (pt) 1976-08-03
JPS5193739A (nl) 1976-08-17
DE2558335B2 (de) 1976-12-23
AU1001576A (en) 1977-07-14
BE837377A (fr) 1976-07-07
DE2558335A1 (de) 1976-07-15
NL7500247A (nl) 1976-07-13
CA1054905A (en) 1979-05-22
FR2297258A1 (fr) 1976-08-06
ES444114A1 (es) 1977-04-16
FR2297258B1 (nl) 1980-03-21
AU503706B2 (en) 1979-09-13
GB1480323A (en) 1977-07-20

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