IT993701B - Procedimento per fabbricare bac chette monocristalline di materiale semiconduttore con resistenza specifica decrescente verso la mezzeria della bacchetta - Google Patents

Procedimento per fabbricare bac chette monocristalline di materiale semiconduttore con resistenza specifica decrescente verso la mezzeria della bacchetta

Info

Publication number
IT993701B
IT993701B IT2766373A IT2766373A IT993701B IT 993701 B IT993701 B IT 993701B IT 2766373 A IT2766373 A IT 2766373A IT 2766373 A IT2766373 A IT 2766373A IT 993701 B IT993701 B IT 993701B
Authority
IT
Italy
Prior art keywords
chette
wand
bac
procedure
semiconductor material
Prior art date
Application number
IT2766373A
Other languages
English (en)
Italian (it)
Original Assignee
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 Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of IT993701B publication Critical patent/IT993701B/it

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
    • C30B13/00—Single-crystal growth by zone-melting; Refining by zone-melting
    • C30B13/28—Controlling or regulating
    • C30B13/30—Stabilisation or shape controlling of the molten zone, e.g. by concentrators, by electromagnetic fields; Controlling the section of the crystal

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)
IT2766373A 1972-08-16 1973-08-08 Procedimento per fabbricare bac chette monocristalline di materiale semiconduttore con resistenza specifica decrescente verso la mezzeria della bacchetta IT993701B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722240301 DE2240301A1 (de) 1972-08-16 1972-08-16 Verfahren zum herstellen von halbleitereinkristallstaeben mit zur stabmitte abfallendem spezifischen widerstand

Publications (1)

Publication Number Publication Date
IT993701B true IT993701B (it) 1975-09-30

Family

ID=5853716

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2766373A IT993701B (it) 1972-08-16 1973-08-08 Procedimento per fabbricare bac chette monocristalline di materiale semiconduttore con resistenza specifica decrescente verso la mezzeria della bacchetta

Country Status (7)

Country Link
JP (2) JPS4947075A (uk)
BE (1) BE803673A (uk)
DE (1) DE2240301A1 (uk)
FR (1) FR2196198B1 (uk)
GB (1) GB1374056A (uk)
IT (1) IT993701B (uk)
NL (1) NL7305059A (uk)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56149971U (uk) * 1980-04-10 1981-11-11
JPS57100999A (en) * 1980-12-15 1982-06-23 Hitachi Chem Co Ltd Heat treatment of single crystal of tungstic acid compound
DE3277983D1 (en) * 1981-03-02 1988-02-18 Ici Plc Method of and apparatus for monitoring gaseous pollutants

Also Published As

Publication number Publication date
JPS4947075A (uk) 1974-05-07
NL7305059A (uk) 1974-02-19
FR2196198A1 (uk) 1974-03-15
FR2196198B1 (uk) 1977-02-25
GB1374056A (en) 1974-11-13
BE803673A (fr) 1973-12-17
JPS53118462U (uk) 1978-09-20
DE2240301A1 (de) 1974-02-28

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