BE764728A - PROCESS FOR PREPARING A YTTRIUM OXIDE AND / OR RARE EARTHS - Google Patents

PROCESS FOR PREPARING A YTTRIUM OXIDE AND / OR RARE EARTHS

Info

Publication number
BE764728A
BE764728A BE764728A BE764728A BE764728A BE 764728 A BE764728 A BE 764728A BE 764728 A BE764728 A BE 764728A BE 764728 A BE764728 A BE 764728A BE 764728 A BE764728 A BE 764728A
Authority
BE
Belgium
Prior art keywords
preparing
yttrium oxide
rare earths
earths
rare
Prior art date
Application number
BE764728A
Other languages
French (fr)
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Publication of BE764728A publication Critical patent/BE764728A/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS 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
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion 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
    • H02M3/305—Conversion 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
    • H02M3/315—Conversion 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
    • H02M3/3155—Conversion 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
    • 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
    • C01F17/00—Compounds of rare earth metals
    • C01F17/20—Compounds containing only rare earth metals as the metal element
    • C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
    • C01F17/241—Compounds 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
    • 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)
  • 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)
BE764728A 1970-03-25 1971-03-23 PROCESS FOR PREPARING A YTTRIUM OXIDE AND / OR RARE EARTHS BE764728A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE764728A true BE764728A (en) 1971-09-23

Family

ID=19809680

Family Applications (1)

Application Number Title Priority Date Filing Date
BE764728A BE764728A (en) 1970-03-25 1971-03-23 PROCESS FOR PREPARING A YTTRIUM OXIDE AND / OR RARE EARTHS

Country Status (7)

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

Family Cites Families (1)

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

Also Published As

Publication number Publication date
NL7004338A (en) 1971-09-28
JPS5331840B1 (en) 1978-09-05
DE2108676B2 (en) 1978-07-13
FR2083564B1 (en) 1974-04-05
DE2108676C3 (en) 1979-05-23
GB1335616A (en) 1973-10-31
DE2108676A1 (en) 1971-10-14
JPS463211A (en) 1971-01-26
FR2083564A1 (en) 1971-12-17
CA950639A (en) 1974-07-09

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