AT181608B - Process for refining metals - Google Patents

Process for refining metals

Info

Publication number
AT181608B
AT181608B AT181608DA AT181608B AT 181608 B AT181608 B AT 181608B AT 181608D A AT181608D A AT 181608DA AT 181608 B AT181608 B AT 181608B
Authority
AT
Austria
Prior art keywords
refining metals
refining
metals
Prior art date
Application number
Other languages
German (de)
Original Assignee
Huettenwerk Oberhausen Ag
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 Huettenwerk Oberhausen Ag filed Critical Huettenwerk Oberhausen Ag
Application granted granted Critical
Publication of AT181608B publication Critical patent/AT181608B/en

Links

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D19/00Digging machines with centrifugal wheels, drums or spinners
    • A01D19/04Digging machines with centrifugal wheels, drums or spinners with working tools rotating around a horizontal axis arranged parallel to the direction of travel
    • A01D19/06Digging machines with centrifugal wheels, drums or spinners with working tools rotating around a horizontal axis arranged parallel to the direction of travel with scoop wheels or drums
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/18Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
    • H01L21/30Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • H01L21/322Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to modify their internal properties, e.g. to produce internal imperfections
    • H01L21/3221Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to modify their internal properties, e.g. to produce internal imperfections of silicon bodies, e.g. for gettering
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/28Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
    • H01L23/29Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the material, e.g. carbon
    • H01L23/291Oxides or nitrides or carbides, e.g. ceramics, glass
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001Technical content checked by a classifier
    • H01L2924/0002Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Environmental Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Harvesting Machines For Root Crops (AREA)
AT181608D 1905-10-20 1953-04-10 Process for refining metals AT181608B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE181608T 1905-10-20

Publications (1)

Publication Number Publication Date
AT181608B true AT181608B (en) 1955-04-12

Family

ID=29431280

Family Applications (1)

Application Number Title Priority Date Filing Date
AT181608D AT181608B (en) 1905-10-20 1953-04-10 Process for refining metals

Country Status (2)

Country Link
AT (1) AT181608B (en)
DE (1) DE181608C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1092496B (en) * 1957-02-09 1960-11-10 Metallgesellschaft Ag Process for the introduction of magnesium or magnesium alloys (possibly together with inoculants) or calcium in cast iron melts and vessels as well as device for carrying out the process
DE1146898B (en) * 1956-04-28 1963-04-11 Demag Ag Plant for refining pig iron with air or oxygen to steel with a tiltable rotary kiln that can be swiveled around a vertical axis
DE1254167B (en) * 1959-07-28 1967-11-16 Demag Ag Metallurgical furnace with oxygen lance

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1146898B (en) * 1956-04-28 1963-04-11 Demag Ag Plant for refining pig iron with air or oxygen to steel with a tiltable rotary kiln that can be swiveled around a vertical axis
DE1092496B (en) * 1957-02-09 1960-11-10 Metallgesellschaft Ag Process for the introduction of magnesium or magnesium alloys (possibly together with inoculants) or calcium in cast iron melts and vessels as well as device for carrying out the process
DE1254167B (en) * 1959-07-28 1967-11-16 Demag Ag Metallurgical furnace with oxygen lance

Also Published As

Publication number Publication date
DE181608C (en) 1907-02-27

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