CH503517A - Process for the production of wire-shaped crystals from silicon nitride - Google Patents

Process for the production of wire-shaped crystals from silicon nitride

Info

Publication number
CH503517A
CH503517A CH1489169A CH1489169A CH503517A CH 503517 A CH503517 A CH 503517A CH 1489169 A CH1489169 A CH 1489169A CH 1489169 A CH1489169 A CH 1489169A CH 503517 A CH503517 A CH 503517A
Authority
CH
Switzerland
Prior art keywords
wire
production
silicon nitride
shaped crystals
crystals
Prior art date
Application number
CH1489169A
Other languages
German (de)
Inventor
Franciscus Knippenbe Wilhelmus
Verspui Gerrit
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 CH503517A publication Critical patent/CH503517A/en

Links

Classifications

    • 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
    • C30B11/00—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method
    • C30B11/04—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method adding crystallising materials or reactants forming it in situ to the melt
    • C30B11/08—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method adding crystallising materials or reactants forming it in situ to the melt every component of the crystal composition being added during the crystallisation
    • C30B11/12—Vaporous components, e.g. vapour-liquid-solid-growth

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
CH1489169A 1968-10-05 1969-10-02 Process for the production of wire-shaped crystals from silicon nitride CH503517A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6814300A NL6814300A (en) 1968-10-05 1968-10-05

Publications (1)

Publication Number Publication Date
CH503517A true CH503517A (en) 1971-02-28

Family

ID=19804857

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1489169A CH503517A (en) 1968-10-05 1969-10-02 Process for the production of wire-shaped crystals from silicon nitride

Country Status (8)

Country Link
BE (1) BE739857A (en)
BR (1) BR6913045D0 (en)
CH (1) CH503517A (en)
DE (1) DE1950023A1 (en)
ES (1) ES372163A1 (en)
FR (1) FR2019997A1 (en)
GB (1) GB1278838A (en)
NL (1) NL6814300A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4396587A (en) * 1980-08-29 1983-08-02 Asahi-Dow Limited Method for manufacture of silicon nitride
US4827383A (en) * 1988-04-22 1989-05-02 Michael Karas Self-adjusting headlight system for vehicles

Also Published As

Publication number Publication date
GB1278838A (en) 1972-06-21
FR2019997A1 (en) 1970-07-10
ES372163A1 (en) 1971-09-16
BR6913045D0 (en) 1973-04-10
NL6814300A (en) 1970-04-07
DE1950023A1 (en) 1970-04-09
BE739857A (en) 1970-04-06

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Legal Events

Date Code Title Description
PL Patent ceased