Analysis of the Diametral Response of a Czochralski Crystal (III) Solution of the Equation Set. Transfer Functions
作者:
P. Sveshtarov,
M. Gospodinov,
期刊:
Crystal Research and Technology
(WILEY Available online 1995)
卷期:
Volume 30,
issue 3
页码: 405-410
ISSN:0232-1300
年代: 1995
DOI:10.1002/crat.2170300323
出版商: WILEY‐VCH Verlag
数据来源: WILEY
摘要:
AbstractThe paper is the third in a series which presents results on the small‐signal diametral response of a Czochralski crystal grown in a resistively heated furnace to variations in heater temperature and pull rate. For typical growth conditions and a wide range of materials it has been shown that this response is obtained by solving a set of linear differential equations. Conditions for normal response, i.e. the diameter increasing on heater temperature and/or pull rate decrease, have been established and shown to hold for most practical cases. The transfer function obtained is consistent with previous results for an inductively heated growth apparatu
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