ES205320A1 - Un método de purificar germanio - Google Patents

Un método de purificar germanio

Info

Publication number
ES205320A1
ES205320A1 ES0205320A ES205320A ES205320A1 ES 205320 A1 ES205320 A1 ES 205320A1 ES 0205320 A ES0205320 A ES 0205320A ES 205320 A ES205320 A ES 205320A ES 205320 A1 ES205320 A1 ES 205320A1
Authority
ES
Spain
Prior art keywords
germanium
relating
methods
heating
purifying germanium
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
ES0205320A
Other languages
English (en)
Spanish (es)
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 ES205320A1 publication Critical patent/ES205320A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B41/00—Obtaining germanium
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/08—Machine parts specially adapted for dentistry
    • A61C1/14—Tool-holders, i.e. operating tool holders, e.g. burr holders
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C3/00—Dental tools or instruments
    • A61C3/06—Tooth grinding or polishing discs; Holders therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Manufacture And Refinement Of Metals (AREA)
ES0205320A 1951-09-13 1952-09-10 Un método de purificar germanio Expired ES205320A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL163975 1951-09-13

Publications (1)

Publication Number Publication Date
ES205320A1 true ES205320A1 (es) 1952-11-01

Family

ID=19750532

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0205320A Expired ES205320A1 (es) 1951-09-13 1952-09-10 Un método de purificar germanio

Country Status (7)

Country Link
BE (1) BE514120A (fr)
CH (1) CH311304A (fr)
DE (1) DE976458C (fr)
ES (1) ES205320A1 (fr)
FR (2) FR1062839A (fr)
GB (1) GB703606A (fr)
NL (2) NL163975B (fr)

Also Published As

Publication number Publication date
BE514120A (fr)
FR1062839A (fr) 1954-04-27
CH311304A (de) 1955-11-30
NL163975B (nl)
FR1062889A (fr) 1954-04-28
DE976458C (de) 1963-09-12
GB703606A (en) 1954-02-03
NL83988C (fr)

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