Optical temperature indicator using thermochromic semiconductors
Patent
·
OSTI ID:555591
A reversible optical temperature indicator utilizes thermochromic semiconductors which vary in color in response to various temperature levels. The thermochromic material is enclosed in an enamel which provides protection and prevents breakdown at higher temperatures. Cadmium sulfide is the preferred semiconductor material. The indicator may be utilized as a sign or in a striped arrangement to clearly provide a warning to a user. The various color responses provide multiple levels of alarm.
- Research Organization:
- Savannah River Site (SRS), Aiken, SC (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC09-89SR18035
- Assignee:
- US Dept. of Energy, Washington, DC (United States)
- Patent Number(s):
- PATENTS-US-A8367605
- Application Number:
- ON: DE97009526; PAN: 8-367,605; TRN: AHC29802%%152
- OSTI ID:
- 555591
- Resource Relation:
- Other Information: PBD: 1995
- Country of Publication:
- United States
- Language:
- English
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