FR2231101A1 - Iron-nickel alloys - use as shadow masks for colour television - Google Patents

Iron-nickel alloys - use as shadow masks for colour television

Info

Publication number
FR2231101A1
FR2231101A1 FR7318719A FR7318719A FR2231101A1 FR 2231101 A1 FR2231101 A1 FR 2231101A1 FR 7318719 A FR7318719 A FR 7318719A FR 7318719 A FR7318719 A FR 7318719A FR 2231101 A1 FR2231101 A1 FR 2231101A1
Authority
FR
France
Prior art keywords
iron
colour television
degrees
nickel alloys
shadow masks
Prior art date
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
FR7318719A
Other languages
French (fr)
Other versions
FR2231101B1 (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.)
GEA Group AG
Original Assignee
Metallgesellschaft AG
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 Metallgesellschaft AG filed Critical Metallgesellschaft AG
Priority to FR7318719A priority Critical patent/FR2231101A1/en
Publication of FR2231101A1 publication Critical patent/FR2231101A1/en
Application granted granted Critical
Publication of FR2231101B1 publication Critical patent/FR2231101B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
    • C22C38/105—Ferrous alloys, e.g. steel alloys containing cobalt containing Co and Ni
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • 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
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/06—Screens for shielding; Masks interposed in the electron stream
    • H01J29/07—Shadow masks for colour television tubes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/07—Shadow masks
    • H01J2229/0727—Aperture plate
    • H01J2229/0733—Aperture plate characterised by the material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/07—Shadow masks
    • H01J2229/0727—Aperture plate
    • H01J2229/0777—Coatings
    • H01J2229/0783—Coatings improving thermal radiation properties

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)

Abstract

Iron-nickel base alloys for the prodn. of shadown masks and bimetallic thermo compensator strips in colour television tubes have compsn. generally 30-45% Ni; 0-2.5% Mn; 0-2% Si; 0-2% C; 0-8% Co; 0-11% Cr; 0-3% W; bal Fe. For shadown masks the desired coefficient of expansion for the chosen alloy must be pref. 0.6-1.2 x 10-6/degrees C between 20-80 degrees C and for the thermo compensator mounting pref 10-20 x 10-6/degrees C. Several ranges of compsn are possible.
FR7318719A 1973-05-23 1973-05-23 Iron-nickel alloys - use as shadow masks for colour television Granted FR2231101A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7318719A FR2231101A1 (en) 1973-05-23 1973-05-23 Iron-nickel alloys - use as shadow masks for colour television

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7318719A FR2231101A1 (en) 1973-05-23 1973-05-23 Iron-nickel alloys - use as shadow masks for colour television

Publications (2)

Publication Number Publication Date
FR2231101A1 true FR2231101A1 (en) 1974-12-20
FR2231101B1 FR2231101B1 (en) 1976-05-07

Family

ID=9119827

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7318719A Granted FR2231101A1 (en) 1973-05-23 1973-05-23 Iron-nickel alloys - use as shadow masks for colour television

Country Status (1)

Country Link
FR (1) FR2231101A1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0079738A2 (en) * 1981-11-09 1983-05-25 Kabushiki Kaisha Toshiba Metal component for a colour cathode ray tube
EP0101919A1 (en) * 1982-08-05 1984-03-07 Kabushiki Kaisha Toshiba Color picture tube and method for manufacturing the same
EP0104453A1 (en) * 1982-08-27 1984-04-04 Kabushiki Kaisha Toshiba Shadow mask, color picture tube and color television
EP0124354A1 (en) * 1983-04-27 1984-11-07 Kabushiki Kaisha Toshiba A method of manufacturing a shadow mask for a colour cathode ray tube
EP0125931A1 (en) * 1983-05-17 1984-11-21 Kabushiki Kaisha Toshiba Front end elements for a colour cathode ray tube
EP0174196A2 (en) * 1984-09-06 1986-03-12 Kabushiki Kaisha Toshiba Material for in-tube components & method of manufacture thereof
EP0175370A2 (en) * 1984-09-21 1986-03-26 Kabushiki Kaisha Toshiba Image receiving tube

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2061034A5 (en) * 1969-09-06 1971-06-18 Philips Nv

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2061034A5 (en) * 1969-09-06 1971-06-18 Philips Nv

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4558252A (en) * 1981-11-09 1985-12-10 Tokyo Shibaura Denki Kabushiki Kaisha Color cathode ray tube with frame, mask or shield having an oxidized layer
EP0079738A3 (en) * 1981-11-09 1984-05-09 Kabushiki Kaisha Toshiba Metal component for a colour cathode ray tube
EP0079738A2 (en) * 1981-11-09 1983-05-25 Kabushiki Kaisha Toshiba Metal component for a colour cathode ray tube
EP0101919A1 (en) * 1982-08-05 1984-03-07 Kabushiki Kaisha Toshiba Color picture tube and method for manufacturing the same
US4708680A (en) * 1982-08-05 1987-11-24 Tokyo Shibaura Denki Kabushiki Kaisha Color picture tube and method for manufacturing the same
EP0104453A1 (en) * 1982-08-27 1984-04-04 Kabushiki Kaisha Toshiba Shadow mask, color picture tube and color television
EP0124354A1 (en) * 1983-04-27 1984-11-07 Kabushiki Kaisha Toshiba A method of manufacturing a shadow mask for a colour cathode ray tube
EP0125931A1 (en) * 1983-05-17 1984-11-21 Kabushiki Kaisha Toshiba Front end elements for a colour cathode ray tube
US4665338A (en) * 1983-05-17 1987-05-12 Kabushiki Kaisha Toshiba Front end elements for a color cathode ray tube
EP0174196A2 (en) * 1984-09-06 1986-03-12 Kabushiki Kaisha Toshiba Material for in-tube components & method of manufacture thereof
EP0174196B1 (en) * 1984-09-06 1989-03-22 Kabushiki Kaisha Toshiba Material for in-tube components & method of manufacture thereof
EP0175370A3 (en) * 1984-09-21 1987-11-04 Kabushiki Kaisha Toshiba Image receiving tube
EP0175370A2 (en) * 1984-09-21 1986-03-26 Kabushiki Kaisha Toshiba Image receiving tube
US4827178A (en) * 1984-09-21 1989-05-02 Kabushiki Kaisha Toshiba Image display tube

Also Published As

Publication number Publication date
FR2231101B1 (en) 1976-05-07

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Legal Events

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