File:ГДТ гедистор (германиевый дендритный тензорезистор) 01.jpg

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ГДТ germanium dendrite strain gauge, a dead-end 1960s technology.

Summary

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Description
Русский: ГДТ, он же гедистор (германиевый дендритный тензорезистор). Они были разработаны в Государственном научно-исследовательском институте машиноведения под руководством доктора техн. наук проф. Н. П. Раевского. Что любопытно, серийный - точнее, мелкосерийный - выпуск этих тензорезисторов был организован на опытно-экспериментальном школьном заводе Министерства просвещения РСФСР. Благодаря высокой тензочувствительности гедисторы могут применяться как без усилителей, так и с обычной аппаратурой, применяемой для металлических тензорезисторов. Наиболее целесообразно применять гедисторы для исследования небольших деформаций в динамическом режиме.
English: ГДТ series germanium dendrite strain gauge. An apparently unique Soviet invention, publications dated late 1960s and disappearing after 1970. It didn't catch up and it could not - the temperature range of germanium instruments was far below what the industry needed. Meanwhile, traditional metal wire sensors withstood up to 450C.
Date
Source http://www.155la3.ru/tenzoresistors.htm#gedistor
Author 155LA3

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