A millivolt source for temperature programming of laboratory furnaces
- 1 August 1974
- journal article
- Published by IOP Publishing in Journal of Physics E: Scientific Instruments
- Vol. 7 (8), 610-612
- https://doi.org/10.1088/0022-3735/7/8/006
Abstract
Two simple, inexpensive programmable millivolt sources are described which can be used in series with a thermocouple sensing element of a furnace controller for linear rate-controlled raising or lowering of a furnace temperature. The output rates of the programmers are set for typical applications such as the controlled growth of III-V compounds (GaAs, GaP, etc.) by liquid phase epitaxy for which normally Pt-Pt 10% Rh sensing thermocouples are used.Keywords
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