NL235410A - - Google Patents

Info

Publication number
NL235410A
NL235410A NL235410DA NL235410A NL 235410 A NL235410 A NL 235410A NL 235410D A NL235410D A NL 235410DA NL 235410 A NL235410 A NL 235410A
Authority
NL
Netherlands
Application number
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.)
Publication date
Publication of NL235410A publication Critical patent/NL235410A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J13/00—Discharge tubes with liquid-pool cathodes, e.g. metal-vapour rectifying tubes
    • H01J13/02—Details
    • H01J13/04—Main electrodes; Auxiliary anodes
    • H01J13/06—Cathodes
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B13/00—Single-crystal growth by zone-melting; Refining by zone-melting
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/02—Elements
    • C30B29/08—Germanium
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0072—Disassembly or repair of discharge tubes
    • H01J2893/0073—Discharge tubes with liquid poolcathodes; constructional details
    • H01J2893/0074—Cathodic cups; Screens; Reflectors; Filters; Windows; Protection against mercury deposition; Returning condensed electrode material to the cathodic cup; Liquid electrode level control
    • H01J2893/0075—Cathodic cups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
NL235410D 1959-01-23 NL235410A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL235410 1959-01-23

Publications (1)

Publication Number Publication Date
NL235410A true NL235410A (de) 1900-01-01

Family

ID=19751533

Family Applications (2)

Application Number Title Priority Date Filing Date
NL101161D NL101161C (de) 1959-01-23
NL235410D NL235410A (de) 1959-01-23

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL101161D NL101161C (de) 1959-01-23

Country Status (4)

Country Link
US (1) US3047380A (de)
DE (1) DE1187803B (de)
GB (1) GB939848A (de)
NL (2) NL235410A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3163523A (en) * 1962-06-27 1964-12-29 Sylvania Electric Prod Method of purifying germanium
GB1488376A (en) * 1974-08-06 1977-10-12 Standard Telephones Cables Ltd Glass
DE2607911A1 (de) * 1976-02-26 1977-09-01 Siemens Ag Verfahren zur reinigung eines germaniumkoerpers
US4690725A (en) * 1985-11-22 1987-09-01 Cominco Ltd. Purification of Cd and Te by zone refining

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL142932B (nl) * 1948-08-23 Nippon Kayaku Kk Werkwijze ter bereiding van butadieen-1.3 door reactie van een buteen met moleculaire zuurstof.
AT189229B (de) * 1954-06-24 1957-03-11 Western Electric Co Verfahren zur Erzeugung zumindest einer in einem Körper fortschreitenden Zwischenfläche von fester und flüssiger Phase
US2835612A (en) * 1954-08-23 1958-05-20 Motorola Inc Semiconductor purification process
US2913048A (en) * 1956-02-23 1959-11-17 Rhodes Inc M H Timer

Also Published As

Publication number Publication date
DE1187803B (de) 1965-02-25
NL101161C (de) 1900-01-01
US3047380A (en) 1962-07-31
GB939848A (en) 1963-10-16

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