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IT1022731B - ENGRAVING PROCESS TO PRODUCE SMALL HOLES IN THICK MATERIALS WITH PRECISION - Google Patents

ENGRAVING PROCESS TO PRODUCE SMALL HOLES IN THICK MATERIALS WITH PRECISION

Info

Publication number
IT1022731B
IT1022731B IT2823574A IT2823574A IT1022731B IT 1022731 B IT1022731 B IT 1022731B IT 2823574 A IT2823574 A IT 2823574A IT 2823574 A IT2823574 A IT 2823574A IT 1022731 B IT1022731 B IT 1022731B
Authority
IT
Italy
Prior art keywords
precision
small holes
produce small
engraving process
thick materials
Prior art date
Application number
IT2823574A
Other languages
Italian (it)
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
Application filed by Buckbee Mears Co filed Critical Buckbee Mears Co
Application granted granted Critical
Publication of IT1022731B publication Critical patent/IT1022731B/en

Links

Classifications

    • 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
    • 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
    • H01J2209/00—Apparatus and processes for manufacture of discharge tubes
    • H01J2209/01—Generalised techniques
    • H01J2209/012—Coating
    • H01J2209/015—Machines therefor

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)
IT2823574A 1974-07-11 1974-10-09 ENGRAVING PROCESS TO PRODUCE SMALL HOLES IN THICK MATERIALS WITH PRECISION IT1022731B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US48766374A 1974-07-11 1974-07-11

Publications (1)

Publication Number Publication Date
IT1022731B true IT1022731B (en) 1978-04-20

Family

ID=23936650

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2823574A IT1022731B (en) 1974-07-11 1974-10-09 ENGRAVING PROCESS TO PRODUCE SMALL HOLES IN THICK MATERIALS WITH PRECISION

Country Status (9)

Country Link
JP (1) JPS519034A (en)
BE (1) BE820732A (en)
BR (1) BR7410019A (en)
CA (1) CA1047377A (en)
DE (1) DE2446781A1 (en)
FR (1) FR2278150A1 (en)
GB (1) GB1468298A (en)
IT (1) IT1022731B (en)
NL (1) NL7412740A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR900007631B1 (en) * 1982-10-06 1990-10-17 노보-노르디스크 아크티에 셀스카브 Method for preparing immobilized enzyme by crosslinking agent
JPS6070185A (en) * 1983-09-26 1985-04-20 Toshiba Corp Production of shadow mask
JPS6160889A (en) * 1984-08-30 1986-03-28 Toshiba Corp Production of shadow mask
JPH0522346U (en) * 1991-09-05 1993-03-23 東洋紡績株式会社 Labeled container
CN110699637B (en) 2019-10-17 2021-03-23 昆山国显光电有限公司 Mask manufacturing method, mask and display panel manufacturing method

Also Published As

Publication number Publication date
JPS519034A (en) 1976-01-24
DE2446781A1 (en) 1976-01-29
CA1047377A (en) 1979-01-30
FR2278150B1 (en) 1978-09-22
GB1468298A (en) 1977-03-23
BE820732A (en) 1975-02-03
BR7410019A (en) 1976-05-25
NL7412740A (en) 1976-01-13
JPS5726345B2 (en) 1982-06-03
FR2278150A1 (en) 1976-02-06

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