FR81588E - Perfectionnement aux cathodes à oxyde à chauffage indirect pour tubes électroniques - Google Patents

Perfectionnement aux cathodes à oxyde à chauffage indirect pour tubes électroniques

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
English (en)
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/fr
Priority to LU43284D priority patent/LU43284A1/xx
Priority to DE19631521891 priority patent/DE1521891A1/de
Priority to CH520963A priority patent/CH438876A/de
Priority to GB16341/63A priority patent/GB1009822A/en
Priority to AT334763A priority patent/AT238836B/de
Priority to US275495A priority patent/US3326648A/en
Application granted granted Critical
Publication of FR81588E publication Critical patent/FR81588E/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00Apparatus 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
    • H01J9/02Manufacture of electrodes or electrode systems
    • H01J9/04Manufacture of electrodes or electrode systems of thermionic cathodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00Details of vacuum tubes of the types covered by group H01J21/00
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00Discharge tubes and lamps
    • H01J2893/0001Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0012Constructional arrangements
    • H01J2893/0019Chemical composition and manufacture
    • H01J2893/0022Manufacture
    • H01J2893/0023Manufacture carbonising and other surface treatments
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00Stock material or miscellaneous articles
    • Y10S428/922Static electricity metal bleed-off metallic stock
    • Y10S428/9265Special properties
    • Y10S428/927Decorative informative
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00Stock material or miscellaneous articles
    • Y10S428/922Static electricity metal bleed-off metallic stock
    • Y10S428/9265Special properties
    • Y10S428/929Electrical contact feature
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00Stock material or miscellaneous articles
    • Y10S428/922Static electricity metal bleed-off metallic stock
    • Y10S428/9335Product by special process
    • Y10S428/936Chemical deposition, e.g. electroless plating
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12493Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12681Ga-, In-, Tl- or Group VA metal-base component
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12493Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12736Al-base component
    • Y10T428/1275Next to Group VIII or IB metal-base component
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12493Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771Transition metal-base component
    • Y10T428/12778Alternative base metals from diverse categories
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12493Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771Transition metal-base component
    • Y10T428/12861Group VIII or IB metal-base component
    • Y10T428/12944Ni-base component

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Chemically Coating (AREA)
FR896046A 1962-04-28 1962-04-28 Perfectionnement aux cathodes à oxyde à chauffage indirect pour tubes électroniques Expired FR81588E (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
BE631635D BE631635A (de) 1962-04-28
NL291752D NL291752A (de) 1962-04-28
FR896046A FR81588E (fr) 1962-04-28 1962-04-28 Perfectionnement aux cathodes à oxyde à chauffage indirect pour tubes électroniques
LU43284D LU43284A1 (de) 1962-04-28 1963-03-02
DE19631521891 DE1521891A1 (de) 1962-04-28 1963-04-24 Verfahren zum Schwaerzen von Oberflaechen metallischer Koerper
CH520963A CH438876A (de) 1962-04-28 1963-04-25 Verfahren zum Schwärzen von Metalloberflächen
GB16341/63A GB1009822A (en) 1962-04-28 1963-04-25 Improvements in methods of blackening metal surfaces
AT334763A AT238836B (de) 1962-04-28 1963-04-25 Verfahren zum Schwärzen der dem Heizkörper zugekehrten Oberfläche eines Trägerkörpers für die emittierende Schicht einer indirekt geheizten Kathode
US275495A US3326648A (en) 1962-04-28 1963-04-25 Method of providing a black layer on a metal object

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR896046A FR81588E (fr) 1962-04-28 1962-04-28 Perfectionnement aux cathodes à oxyde à chauffage indirect pour tubes électroniques

Publications (1)

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

Family

ID=8777944

Family Applications (1)

Application Number Title Priority Date Filing Date
FR896046A Expired FR81588E (fr) 1962-04-28 1962-04-28 Perfectionnement aux cathodes à oxyde à chauffage indirect pour tubes électroniques

Country Status (9)

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

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
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
US6482171B1 (en) 1991-07-16 2002-11-19 Heartport, Inc. Multi-lumen catheter
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 (de) * 1929-07-02 Robert Plagwitz Bildwerfer fuer Auflicht
DE932858C (de) * 1953-01-13 1955-09-12 Telefunken Gmbh Verfahren zur Behandlung von Elektroden oder Elektrodenwerktoffen fuer elektrische Entladungsroehren zwecks Verleihung eines hohen Waermeabstrahlungsvermoegens unter Verwendung eines mit Aluminium ueberzogenen Ausgangsmaterials, das mit dem Aluminiumueberzug bei Erhitzung intermetallische Verbindungen eingeht
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
BE631635A (de)
US3326648A (en) 1967-06-20
LU43284A1 (de) 1963-05-02
AT238836B (de) 1965-03-10
NL291752A (de)
DE1521891A1 (de) 1969-10-30
CH438876A (de) 1967-06-30
GB1009822A (en) 1965-11-10

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