GB1335616A - Method of manufacturing an oxide of yttrium and or the rare earth metals - Google Patents

Method of manufacturing an oxide of yttrium and or the rare earth metals

Info

Publication number
GB1335616A
GB1335616A GB2484871*A GB2484871A GB1335616A GB 1335616 A GB1335616 A GB 1335616A GB 2484871 A GB2484871 A GB 2484871A GB 1335616 A GB1335616 A GB 1335616A
Authority
GB
United Kingdom
Prior art keywords
oxide
sulphur
yttrium
oxysulphide
elements
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
GB2484871*A
Other languages
English (en)
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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 Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1335616A publication Critical patent/GB1335616A/en
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)
GB2484871*A 1970-03-25 1971-04-19 Method of manufacturing an oxide of yttrium and or the rare earth metals Expired GB1335616A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1335616A true GB1335616A (en) 1973-10-31

Family

ID=19809680

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2484871*A Expired GB1335616A (en) 1970-03-25 1971-04-19 Method of manufacturing an oxide of yttrium and or the rare earth metals

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
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
DE2108676C3 (de) 1979-05-23
FR2083564B1 (cs) 1974-04-05

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee