FR81588E - Further development of indirectly heated oxide cathodes for electron tubes - Google Patents

Further development of indirectly heated oxide cathodes for electron tubes

Info

Publication number
FR81588E
FR81588E FR896046A FR896046A FR81588E FR 81588 E FR81588 E FR 81588E FR 896046 A FR896046 A FR 896046A FR 896046 A FR896046 A FR 896046A FR 81588 E FR81588 E FR 81588E
Authority
FR
France
Prior art keywords
further development
indirectly heated
electron tubes
heated oxide
oxide cathodes
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.)
Expired
Application number
FR896046A
Other languages
French (fr)
Inventor
Henri Provisor
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.)
Radiotechnique SA
Original Assignee
Radiotechnique SA
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
Priority to BE631635D priority Critical patent/BE631635A/xx
Priority to NL291752D priority patent/NL291752A/xx
Application filed by Radiotechnique SA filed Critical Radiotechnique SA
Priority to FR896046A priority patent/FR81588E/en
Priority to LU43284D priority patent/LU43284A1/xx
Priority to DE19631521891 priority patent/DE1521891A1/en
Priority to AT334763A priority patent/AT238836B/en
Priority to CH520963A priority patent/CH438876A/en
Priority to US275495A priority patent/US3326648A/en
Priority to GB16341/63A priority patent/GB1009822A/en
Application granted granted Critical
Publication of FR81588E publication Critical patent/FR81588E/en
Expired legal-status Critical Current

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
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0012—Constructional arrangements
    • H01J2893/0019—Chemical composition and manufacture
    • H01J2893/0022—Manufacture
    • H01J2893/0023—Manufacture carbonising and other surface treatments
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9265—Special properties
    • Y10S428/927—Decorative informative
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9265—Special properties
    • Y10S428/929—Electrical contact feature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9335—Product by special process
    • Y10S428/936—Chemical deposition, e.g. electroless plating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12681—Ga-, In-, Tl- or Group VA metal-base component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12736—Al-base component
    • Y10T428/1275—Next to Group VIII or IB metal-base component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12778—Alternative base metals from diverse categories
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12861—Group VIII or IB metal-base component
    • Y10T428/12944—Ni-base component

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Chemically Coating (AREA)
FR896046A 1962-04-28 1962-04-28 Further development of indirectly heated oxide cathodes for electron tubes Expired FR81588E (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
BE631635D BE631635A (en) 1962-04-28
NL291752D NL291752A (en) 1962-04-28
FR896046A FR81588E (en) 1962-04-28 1962-04-28 Further development of indirectly heated oxide cathodes for electron tubes
LU43284D LU43284A1 (en) 1962-04-28 1963-03-02
DE19631521891 DE1521891A1 (en) 1962-04-28 1963-04-24 Process for blackening surfaces of metallic bodies
AT334763A AT238836B (en) 1962-04-28 1963-04-25 Process for blackening the surface of a carrier body facing the heating element for the emitting layer of an indirectly heated cathode
CH520963A CH438876A (en) 1962-04-28 1963-04-25 Process for blackening metal surfaces
US275495A US3326648A (en) 1962-04-28 1963-04-25 Method of providing a black layer on a metal object
GB16341/63A GB1009822A (en) 1962-04-28 1963-04-25 Improvements in methods of blackening metal surfaces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR896046A FR81588E (en) 1962-04-28 1962-04-28 Further development of indirectly heated oxide cathodes for electron tubes

Publications (1)

Publication Number Publication Date
FR81588E true FR81588E (en) 1963-10-11

Family

ID=8777944

Family Applications (1)

Application Number Title Priority Date Filing Date
FR896046A Expired FR81588E (en) 1962-04-28 1962-04-28 Further development of indirectly heated oxide cathodes for electron tubes

Country Status (9)

Country Link
US (1) US3326648A (en)
AT (1) AT238836B (en)
BE (1) BE631635A (en)
CH (1) CH438876A (en)
DE (1) DE1521891A1 (en)
FR (1) FR81588E (en)
GB (1) GB1009822A (en)
LU (1) LU43284A1 (en)
NL (1) NL291752A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3620808A (en) * 1968-01-05 1971-11-16 James E Monroe Jr Method of forming a thermal emissivity coating on a metallic substrate
US3958146A (en) * 1974-02-08 1976-05-18 Gte Sylvania Incorporated Fast warm up picture tube cathode cap having high heat emissivity surface on the interior thereof
US4009409A (en) * 1975-09-02 1977-02-22 Gte Sylvania Incorporated Fast warmup cathode and method of making same
US4574778A (en) * 1984-03-19 1986-03-11 Hydro-Quebec Preparing selective surfaces for solar collectors by dry oxidation and selective surfaces so obtained
US6482171B1 (en) 1991-07-16 2002-11-19 Heartport, Inc. Multi-lumen catheter
US5769812A (en) * 1991-07-16 1998-06-23 Heartport, Inc. System for cardiac procedures
US5584803A (en) * 1991-07-16 1996-12-17 Heartport, Inc. System for cardiac procedures
US5558644A (en) * 1991-07-16 1996-09-24 Heartport, Inc. Retrograde delivery catheter and method for inducing cardioplegic arrest
US5478309A (en) * 1994-05-27 1995-12-26 William P. Sweezer, Jr. Catheter system and method for providing cardiopulmonary bypass pump support during heart surgery
US5755687A (en) * 1997-04-01 1998-05-26 Heartport, Inc. Methods and devices for occluding a patient's ascending aorta

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE478754C (en) * 1929-07-02 Robert Plagwitz Projector for incident light
DE932858C (en) * 1953-01-13 1955-09-12 Telefunken Gmbh Process for the treatment of electrodes or electrode materials for electrical discharge tubes for the purpose of giving them a high heat radiation capability using an aluminum-coated starting material which forms intermetallic compounds with the aluminum coating when heated
US2710253A (en) * 1953-10-19 1955-06-07 Battelle Development Corp Semiconducting alloy
US2816023A (en) * 1955-11-02 1957-12-10 Battelle Development Corp Semiconductor material and method of preparing same

Also Published As

Publication number Publication date
LU43284A1 (en) 1963-05-02
NL291752A (en)
DE1521891A1 (en) 1969-10-30
US3326648A (en) 1967-06-20
BE631635A (en)
GB1009822A (en) 1965-11-10
AT238836B (en) 1965-03-10
CH438876A (en) 1967-06-30

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