Liquid crystal matrix for extended range high resolution temperature mapping
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United States of America Patent
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Jul 28, 1987
Grant Date -
N/A
app pub date -
Oct 2, 1985
filing date -
Oct 2, 1985
priority date (Note) -
Expired
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Abstract
A recurrent matrix pattern of clusters of different narrow range temperature sensitive liquid crystal dots is disclosed. At each location on the matrix, there is a plurality of liquid crystal dots forming a cluster. Each liquid crystal dot of a cluster changes color at a different temperature. Further, each liquid crystal dot is sensitive, that is changes colors, in a very narrow temperature range. With this recurrent matrix arrangement, detailed temperature resolution can be maintained over a relatively broad temperature range, while still retaining an essentially continuous layer of temperature sensitive material so as to map-locate temperature gradients.
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