Cooling medium for optical equipment and cooling device using the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jan 14, 2003
Grant Date -
N/A
app pub date -
May 26, 2000
filing date -
May 31, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cooling medium and a cooling device for optical equipment using the same, which cooling medium has a refractive index in a specific range, hardly causes the problem to dissolve or swell plastic lens and other component parts, and is flame retardant. The cooling medium comprises a cyclic aliphatic hydrocarbon having at least one cross linkage and has a flash point of 120.degree. C. or above and a melting point of -20.degree. C. or below. The space between a pair of transparent optical members of a cooling device for optical equipment, is filled with the cooling medium.
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