DK145275C - APPARATUS FOR DETERMINING OR MONITORING A TWO-DIMENSION OF DIGEL-FREE ZONE MELTING - Google Patents

APPARATUS FOR DETERMINING OR MONITORING A TWO-DIMENSION OF DIGEL-FREE ZONE MELTING

Info

Publication number
DK145275C
DK145275C DK591473A DK591473A DK145275C DK 145275 C DK145275 C DK 145275C DK 591473 A DK591473 A DK 591473A DK 591473 A DK591473 A DK 591473A DK 145275 C DK145275 C DK 145275C
Authority
DK
Denmark
Prior art keywords
digel
dimension
monitoring
determining
free zone
Prior art date
Application number
DK591473A
Other languages
Danish (da)
Other versions
DK145275B (en
Inventor
H L Stiegler
H Stut
H Drax
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
Priority claimed from DE19722253724 external-priority patent/DE2253724C3/en
Priority claimed from DE2253789A external-priority patent/DE2253789C3/en
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of DK145275B publication Critical patent/DK145275B/en
Application granted granted Critical
Publication of DK145275C publication Critical patent/DK145275C/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/022—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by means of tv-camera scanning

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
DK591473A 1972-11-02 1973-11-01 APPARATUS FOR DETERMINING OR MONITORING A TWO-DIMENSION OF DIGEL-FREE ZONE MELTING DK145275C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19722253724 DE2253724C3 (en) 1972-11-02 1972-11-02 Device for monitoring the melting zone wandering through a semiconductor rod during crucible-free zone melting
DE2253789 1972-11-02
DE2253724 1972-11-02
DE2253789A DE2253789C3 (en) 1972-11-02 1972-11-02 Device for monitoring the melting zone wandering through a semiconductor rod during deep zone melting

Publications (2)

Publication Number Publication Date
DK145275B DK145275B (en) 1982-10-18
DK145275C true DK145275C (en) 1983-03-14

Family

ID=25764041

Family Applications (1)

Application Number Title Priority Date Filing Date
DK591473A DK145275C (en) 1972-11-02 1973-11-01 APPARATUS FOR DETERMINING OR MONITORING A TWO-DIMENSION OF DIGEL-FREE ZONE MELTING

Country Status (7)

Country Link
JP (2) JPS4978569A (en)
DK (1) DK145275C (en)
FR (1) FR2205661A1 (en)
GB (1) GB1446933A (en)
IT (1) IT998991B (en)
NL (1) NL7311949A (en)
SU (1) SU538671A3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2179155B (en) * 1985-08-13 1989-08-16 English Electric Valve Co Ltd Spatial characteristic determination
FR2631112B1 (en) * 1988-05-04 1992-11-27 Cattarino Yvan METHOD AND DEVICE FOR AUTOMATICALLY DETECTING, VISUALIZING AND MEASURING THE POSITION OF THE WATER LINE OF A PAPER MACHINE

Also Published As

Publication number Publication date
GB1446933A (en) 1976-08-18
JPS4978569A (en) 1974-07-29
DK145275B (en) 1982-10-18
FR2205661A1 (en) 1974-05-31
NL7311949A (en) 1974-05-06
JPS55174107U (en) 1980-12-13
IT998991B (en) 1976-02-20
SU538671A3 (en) 1976-12-05

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