FR2139005A1 - - Google Patents

Info

Publication number
FR2139005A1
FR2139005A1 FR7218598A FR7218598A FR2139005A1 FR 2139005 A1 FR2139005 A1 FR 2139005A1 FR 7218598 A FR7218598 A FR 7218598A FR 7218598 A FR7218598 A FR 7218598A FR 2139005 A1 FR2139005 A1 FR 2139005A1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7218598A
Other languages
French (fr)
Other versions
FR2139005B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Corp
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 FR2139005A1 publication Critical patent/FR2139005A1/fr
Application granted granted Critical
Publication of FR2139005B1 publication Critical patent/FR2139005B1/fr
Expired legal-status Critical Current

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
FR7218598A 1971-05-27 1972-05-25 Expired FR2139005B1 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2139005A1 true FR2139005A1 (en) 1973-01-05
FR2139005B1 FR2139005B1 (en) 1976-08-06

Family

ID=22521108

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7218598A Expired FR2139005B1 (en) 1971-05-27 1972-05-25

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
IT955496B (en) 1973-09-29
JPS5226654B1 (en) 1977-07-15
NL174002C (en) 1984-04-02
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
ST Notification of lapse