DE1071566B - - Google Patents

Info

Publication number
DE1071566B
DE1071566B DENDAT1071566D DE1071566DA DE1071566B DE 1071566 B DE1071566 B DE 1071566B DE NDAT1071566 D DENDAT1071566 D DE NDAT1071566D DE 1071566D A DE1071566D A DE 1071566DA DE 1071566 B DE1071566 B DE 1071566B
Authority
DE
Germany
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.)
Pending
Application number
DENDAT1071566D
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.)
Publication of DE1071566B publication Critical patent/DE1071566B/de
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
    • H01B3/10—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances metallic oxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/46—Purification of aluminium oxide, aluminium hydroxide or aluminates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
    • H01B3/025—Other inorganic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/22—Heaters
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Glass Compositions (AREA)
DENDAT1071566D 1953-10-10 Pending DE1071566B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU802731X 1953-10-10

Publications (1)

Publication Number Publication Date
DE1071566B true DE1071566B (de)

Family

ID=10980377

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT1071566D Pending DE1071566B (de) 1953-10-10

Country Status (3)

Country Link
DE (1) DE1071566B (de)
FR (1) FR1115587A (de)
GB (1) GB802731A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3140063A1 (de) * 1980-10-09 1982-05-13 Vasipari Kutató Intézet, Budapest Presspulver zur herstellung von korrosionsfesten und/oder verschleissbestaendigen gegenstaenden und unter ihrer verwendung gefertigte presswerkzeuge

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4822592A (en) * 1987-02-05 1989-04-18 Aluminum Company Of America Producing alpha alumina particles with pressurized acidic steam
US5360778A (en) * 1993-05-11 1994-11-01 Exxon Research And Engineering Company High surface purity heat transfer solids for high temperature fluidized bed reactions
GB2306873B (en) * 1995-10-26 2000-06-21 Strix Ltd Manufacture of heaters
JPH11185606A (ja) 1997-12-19 1999-07-09 Matsushita Electron Corp 陰極線管の製造方法
US6242854B1 (en) 1998-01-20 2001-06-05 Matsushita Electronics Corporation Indirectly heated cathode for a CRT having high purity alumina insulating layer with limited amounts of Na OR Si
JP4997953B2 (ja) * 2006-12-15 2012-08-15 日本軽金属株式会社 高純度α−アルミナの製造方法
CN107572569A (zh) * 2012-12-17 2018-01-12 波拉尔蓝宝石有限公司 制造高纯度氧化铝的方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3140063A1 (de) * 1980-10-09 1982-05-13 Vasipari Kutató Intézet, Budapest Presspulver zur herstellung von korrosionsfesten und/oder verschleissbestaendigen gegenstaenden und unter ihrer verwendung gefertigte presswerkzeuge

Also Published As

Publication number Publication date
GB802731A (en) 1958-10-08
FR1115587A (fr) 1956-04-26

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