DE2108676C3 - Verfahren zur Herstellung eines Oxids von Yttrium und/oder der Seltenen Erden - Google Patents

Verfahren zur Herstellung eines Oxids von Yttrium und/oder der Seltenen Erden

Info

Publication number
DE2108676C3
DE2108676C3 DE2108676A DE2108676A DE2108676C3 DE 2108676 C3 DE2108676 C3 DE 2108676C3 DE 2108676 A DE2108676 A DE 2108676A DE 2108676 A DE2108676 A DE 2108676A DE 2108676 C3 DE2108676 C3 DE 2108676C3
Authority
DE
Germany
Prior art keywords
oxide
oxysulfide
yttrium
elements
temperature
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
DE2108676A
Other languages
German (de)
English (en)
Other versions
DE2108676A1 (de
DE2108676B2 (de
Inventor
Roelof Egbert Eindhoven Schuil (Niederlande)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of DE2108676A1 publication Critical patent/DE2108676A1/de
Publication of DE2108676B2 publication Critical patent/DE2108676B2/de
Application granted granted Critical
Publication of DE2108676C3 publication Critical patent/DE2108676C3/de
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00Conversion of DC power input into DC power output
    • H02M3/22Conversion of DC power input into DC power output with intermediate conversion into AC
    • H02M3/24Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
    • H02M3/28Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
    • H02M3/305Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a thyratron or thyristor type requiring extinguishing means
    • H02M3/315Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
    • H02M3/3155Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with automatic control of the output voltage or current
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00Compounds of rare earth metals
    • C01F17/20Compounds containing only rare earth metals as the metal element
    • C01F17/206Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
    • C01F17/241Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion containing two or more rare earth metals, e.g. NdPrO3 or LaNdPrO3
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/60Particles characterised by their size
    • C01P2004/61Micrometer sized, i.e. from 1-100 micrometer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Luminescent Compositions (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
DE2108676A 1970-03-25 1971-02-24 Verfahren zur Herstellung eines Oxids von Yttrium und/oder der Seltenen Erden Expired DE2108676C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7004338A NL7004338A (cs) 1970-03-25 1970-03-25

Publications (3)

Publication Number Publication Date
DE2108676A1 DE2108676A1 (de) 1971-10-14
DE2108676B2 DE2108676B2 (de) 1978-07-13
DE2108676C3 true DE2108676C3 (de) 1979-05-23

Family

ID=19809680

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2108676A Expired DE2108676C3 (de) 1970-03-25 1971-02-24 Verfahren zur Herstellung eines Oxids von Yttrium und/oder der Seltenen Erden

Country Status (7)

Country Link
JP (1) JPS5331840B1 (cs)
BE (1) BE764728A (cs)
CA (1) CA950639A (cs)
DE (1) DE2108676C3 (cs)
FR (1) FR2083564B1 (cs)
GB (1) GB1335616A (cs)
NL (1) NL7004338A (cs)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6709191A (cs) * 1967-07-01 1969-01-03

Also Published As

Publication number Publication date
CA950639A (en) 1974-07-09
DE2108676A1 (de) 1971-10-14
GB1335616A (en) 1973-10-31
JPS5331840B1 (cs) 1978-09-05
FR2083564A1 (cs) 1971-12-17
DE2108676B2 (de) 1978-07-13
NL7004338A (cs) 1971-09-28
BE764728A (fr) 1971-09-23
JPS463211A (cs) 1971-01-26
FR2083564B1 (cs) 1974-04-05

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
EHJ Ceased/non-payment of the annual fee