Thermal measuring and testing – Thermal testing of a nonthermal quantity – Expansion or contraction characteristics
Reexamination Certificate
2005-03-01
2005-03-01
Gutierrez, Diego (Department: 2859)
Thermal measuring and testing
Thermal testing of a nonthermal quantity
Expansion or contraction characteristics
C374S043000, C374S045000
Reexamination Certificate
active
06860633
ABSTRACT:
A method for determining the thermal expansion coefficient of a substance comprises, determining at each of two or more temperatures the absolute position of more than one resonant interference peaks of a Fabry-Perot etalon whose optical path is defined by said substance and calculating said coefficient from observed difference(s) in wavelength or frequency of said positions at said two or more temperatures.
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Davis Mark J.
Hayden Joseph S.
Gutierrez Diego
Jagan Mirellys
Millen White Zelano & Branigan P.C.
Schott Technologies, Inc.
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