EP 0938599 A1 19990901 - METHOD AND DEVICE FOR MONITORING A MELT FOR PRODUCING CRYSTALS
Title (en)
METHOD AND DEVICE FOR MONITORING A MELT FOR PRODUCING CRYSTALS
Title (de)
VORRICHTUNG UND VERFAHREN FÜR DIE ÜBERWACHUNG EINER SCHMELZE FÜR DIE HERSTELLUNG VON KRISTALLEN
Title (fr)
PROCEDE ET DISPOSITIF POUR CONTROLER UNE MATIERE FONDUE SERVANT A LA PRODUCTION DE CRISTAUX
Publication
Application
Priority
- DE 19738438 A 19970903
- DE 19817709 A 19980421
- EP 9805565 W 19980902
Abstract (en)
[origin: EP0903428A2] The invention relates to a device for monitoring a melt for producing crystals. The device thus comprises a camera which provides an image for at least parts of the surface of the contents of a crucible. The camera image is evaluated with respect to solid and liquid fractions of the surface of the contents of said crucible by means of an evaluation device.
IPC 1-7
IPC 8 full level
C30B 15/26 (2006.01); C30B 29/06 (2006.01); G01B 11/08 (2006.01); G01N 21/17 (2006.01); G01N 21/47 (2006.01); G01N 33/20 (2006.01)
CPC (source: EP KR US)
C30B 15/20 (2013.01 - KR); C30B 15/26 (2013.01 - EP US); G01B 11/08 (2013.01 - EP US); Y10S 117/90 (2013.01 - EP US); Y10T 117/1004 (2015.01 - EP US); Y10T 117/1008 (2015.01 - EP US); Y10T 117/1012 (2015.01 - EP US)
Citation (search report)
See references of WO 9911844A1
Designated contracting state (EPC)
DE FI FR GB IT
DOCDB simple family (publication)
EP 0903428 A2 19990324; EP 0903428 A3 20000719; EP 0938599 A1 19990901; JP 2001505523 A 20010424; JP H11153418 A 19990608; KR 19990029481 A 19990426; KR 20000068898 A 20001125; TW 460637 B 20011021; US 2001043733 A1 20011122; US 6203610 B1 20010320; US 6341173 B2 20020122; WO 9911844 A1 19990311
DOCDB simple family (application)
EP 98114783 A 19980806; EP 9805565 W 19980902; EP 98947503 A 19980902; JP 24875998 A 19980902; JP 51632899 A 19980902; KR 19980036235 A 19980903; KR 19997003936 A 19990503; TW 87114275 A 19980828; US 14132298 A 19980827; US 29744199 A 19990517