NL174002C - METHOD FOR MANUFACTURING ELECTRODES FOR ELECTRON BEAM TUBES. - Google Patents

METHOD FOR MANUFACTURING ELECTRODES FOR ELECTRON BEAM TUBES.

Info

Publication number
NL174002C
NL174002C NL7207153A NL7207153A NL174002C NL 174002 C NL174002 C NL 174002C NL 7207153 A NL7207153 A NL 7207153A NL 7207153 A NL7207153 A NL 7207153A NL 174002 C NL174002 C NL 174002C
Authority
NL
Netherlands
Prior art keywords
electron beam
beam tubes
manufacturing electrodes
electrodes
manufacturing
Prior art date
Application number
NL7207153A
Other languages
Dutch (nl)
Other versions
NL7207153A (en
NL174002B (en
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
Publication of NL7207153A publication Critical patent/NL7207153A/xx
Publication of NL174002B publication Critical patent/NL174002B/en
Application granted granted Critical
Publication of NL174002C publication Critical patent/NL174002C/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D1/00—Electroforming
    • C25D1/08—Perforated or foraminous objects, e.g. sieves
    • 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
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48—Electron guns
    • H01J29/485—Construction of the gun or of parts thereof
    • 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
    • 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
NL7207153A 1971-05-27 1972-05-26 METHOD FOR MANUFACTURING ELECTRODES FOR ELECTRON BEAM TUBES. NL174002C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14732471A 1971-05-27 1971-05-27

Publications (3)

Publication Number Publication Date
NL7207153A NL7207153A (en) 1972-11-29
NL174002B NL174002B (en) 1983-11-01
NL174002C true NL174002C (en) 1984-04-02

Family

ID=22521108

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7207153A NL174002C (en) 1971-05-27 1972-05-26 METHOD FOR MANUFACTURING ELECTRODES FOR ELECTRON BEAM TUBES.

Country Status (8)

Country Link
JP (1) JPS5226654B1 (en)
AU (1) AU471610B2 (en)
CA (1) CA947224A (en)
DE (1) DE2225826C3 (en)
FR (1) FR2139005B1 (en)
GB (1) GB1372802A (en)
IT (1) IT955496B (en)
NL (1) NL174002C (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT7849594A0 (en) * 1977-06-01 1978-05-30 British Insulated Callenders PROCEDURE FOR THE MANUFACTURE OF COPPER PRODUCTS AND PRODUCTS OBTAINED SO
JPS5649807U (en) * 1979-09-21 1981-05-02
US4490217A (en) * 1984-02-24 1984-12-25 Armstrong World Industries, Inc. Method of making a stencil plate
US4762595A (en) * 1984-04-30 1988-08-09 Ppg Industries, Inc. Electroforming elements
US4549939A (en) * 1984-04-30 1985-10-29 Ppg Industries, Inc. Photoelectroforming mandrel and method of electroforming
US4773971A (en) * 1986-10-30 1988-09-27 Hewlett-Packard Company Thin film mandrel

Also Published As

Publication number Publication date
AU4250372A (en) 1973-11-22
DE2225826B2 (en) 1978-11-30
GB1372802A (en) 1974-11-06
FR2139005B1 (en) 1976-08-06
AU471610B2 (en) 1976-04-29
FR2139005A1 (en) 1973-01-05
IT955496B (en) 1973-09-29
JPS5226654B1 (en) 1977-07-15
NL7207153A (en) 1972-11-29
DE2225826C3 (en) 1979-08-09
DE2225826A1 (en) 1972-12-07
NL174002B (en) 1983-11-01
CA947224A (en) 1974-05-14

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V1 Lapsed because of non-payment of the annual fee