FR644592A - Method and device for the production of artificial precious stones - Google Patents

Method and device for the production of artificial precious stones

Info

Publication number
FR644592A
FR644592A FR644592DA FR644592A FR 644592 A FR644592 A FR 644592A FR 644592D A FR644592D A FR 644592DA FR 644592 A FR644592 A FR 644592A
Authority
FR
France
Prior art keywords
production
precious stones
artificial precious
artificial
stones
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
Other languages
French (fr)
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.)
Siemens Schuckertwerke AG
Siemens AG
Original Assignee
Siemens Schuckertwerke AG
Siemens 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 Siemens Schuckertwerke AG, Siemens AG filed Critical Siemens Schuckertwerke AG
Application granted granted Critical
Publication of FR644592A publication Critical patent/FR644592A/en
Expired legal-status Critical Current

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
    • C30B11/10—Solid or liquid components, e.g. Verneuil method

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
FR644592D 1927-10-25 1927-10-25 Method and device for the production of artificial precious stones Expired FR644592A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR644592T 1927-10-25

Publications (1)

Publication Number Publication Date
FR644592A true FR644592A (en) 1928-10-10

Family

ID=9000252

Family Applications (1)

Application Number Title Priority Date Filing Date
FR644592D Expired FR644592A (en) 1927-10-25 1927-10-25 Method and device for the production of artificial precious stones

Country Status (1)

Country Link
FR (1) FR644592A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2173685A1 (en) * 1972-02-28 1973-10-12 Inst Monokristallov Sublimation burner feed mechanism - for monocrystal refractory prodn

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2173685A1 (en) * 1972-02-28 1973-10-12 Inst Monokristallov Sublimation burner feed mechanism - for monocrystal refractory prodn

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