FR76329E - Process for the preparation of absolutely pure substances, in particular semiconductors - Google Patents

Process for the preparation of absolutely pure substances, in particular semiconductors

Info

Publication number
FR76329E
FR76329E FR805169A FR805169A FR76329E FR 76329 E FR76329 E FR 76329E FR 805169 A FR805169 A FR 805169A FR 805169 A FR805169 A FR 805169A FR 76329 E FR76329 E FR 76329E
Authority
FR
France
Prior art keywords
preparation
pure substances
absolutely pure
particular semiconductors
semiconductors
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
FR805169A
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
Priority claimed from DES60881A external-priority patent/DE1150366B/en
Application filed by Siemens Schuckertwerke AG, Siemens AG filed Critical Siemens Schuckertwerke AG
Priority to FR805169A priority Critical patent/FR76329E/en
Application granted granted Critical
Publication of FR76329E publication Critical patent/FR76329E/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/02—Silicon
    • C01B33/021—Preparation
    • C01B33/027—Preparation by decomposition or reduction of gaseous or vaporised silicon compounds other than silica or silica-containing material
    • C01B33/035—Preparation by decomposition or reduction of gaseous or vaporised silicon compounds other than silica or silica-containing material by decomposition or reduction of gaseous or vaporised silicon compounds in the presence of heated filaments of silicon, carbon or a refractory metal, e.g. tantalum or tungsten, or in the presence of heated silicon rods on which the formed silicon is deposited, a silicon rod being obtained, e.g. Siemens process

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
FR805169A 1958-12-09 1959-09-15 Process for the preparation of absolutely pure substances, in particular semiconductors Expired FR76329E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR805169A FR76329E (en) 1958-12-09 1959-09-15 Process for the preparation of absolutely pure substances, in particular semiconductors

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DES60881A DE1150366B (en) 1958-12-09 1958-12-09 Process for the production of hyperpure silicon
FR805169A FR76329E (en) 1958-12-09 1959-09-15 Process for the preparation of absolutely pure substances, in particular semiconductors

Publications (1)

Publication Number Publication Date
FR76329E true FR76329E (en) 1961-10-06

Family

ID=25995607

Family Applications (1)

Application Number Title Priority Date Filing Date
FR805169A Expired FR76329E (en) 1958-12-09 1959-09-15 Process for the preparation of absolutely pure substances, in particular semiconductors

Country Status (1)

Country Link
FR (1) FR76329E (en)

Similar Documents

Publication Publication Date Title
FR1204310A (en) Process for the preparation of absolutely pure substances, in particular semiconductors
FR1378964A (en) Process for the preparation of cyclic diaza-compounds, in particular diaza-cycloalkanes
BE585851A (en) Process for the preparation of pure formaldehyde.
BE584630A (en) Process for the preparation of substituted benzimidazols.
FR76329E (en) Process for the preparation of absolutely pure substances, in particular semiconductors
FR73450E (en) Process for the preparation of absolutely pure substances, in particular semiconductors
FR1219166A (en) Process for the preparation of dehydrophytone
FR1270317A (en) Process for the treatment of solid materials, in particular semiconductor materials
FR1321165A (en) Process for the preparation of single crystals, in particular of semiconductor material
FR1298627A (en) Preparation process for semiconductor parts
BE575675A (en) Process for the preparation of new thizolines.
BE580327A (en) Process for the preparation of 4-arylamino-4,5-dihydropyridazinones- (3)
BE575696A (en) Process for the preparation of 3-keto-Delta4.6-10 (alpha) methyl-steroids.
FR1330120A (en) Process for the preparation of 4-hydrazino-2,6-dihydroxy-pyrimidines
FR1330116A (en) Process for the preparation of 5-arylsulfonamido-1,2,4-thiodiazoles
BE581191A (en) Process for the preparation of 11alpha-hydroxy-17alpha-methyl-testosterone.
BE580318A (en) Process for the preparation of 16alpha-methyl-allopregnan-17-o1-3,20-diones substituted in position 21
BE616754A (en) Process for the preparation of single crystals, in particular of semiconductor material
FR1220313A (en) Process for the preparation of 3-keto-delta 4.6.10 (alpha) -methyl-steroids
FR1224409A (en) Process for the preparation of 21-acyloxy-16.17-oxydo-3-keto-steroids
BE585985A (en) Process for the preparation of 16alpha-alkyl-17alpha-hydroxy-allopregnan-20-ones.
BE575238A (en) Process for the preparation of Dl-alpha -amino-xi -caprolactam.
BE575548A (en) Process for the preparation of dioxopyrazolidines.
FR1302914A (en) Process for the preparation of steroids, in particular 6.16-dimethyl-11-oxygen-1. 4-Pregnadiene-17. alpha. 21-diol-3. 20-diones
BE583560A (en) Process for the preparation of monopersulfates.