Scanning heat flow probe

Details Scanning heat flow probe Scanning heat flow probe

2005-03-15

2005-03-15

Gutierrez, Diego (Department: 2859)

Thermal measuring and testing

Heat flux measurement

C374S001000

Reexamination Certificate

active

06866415

ABSTRACT:
A scanning heat flow probe for making quantitative measurements of heat flow through a device under test is provided. In one embodiment the scanning heat flow probe includes an electric current conductor in a cantilever beam connected to a probe tip and coupled to two voltmeter leads. The probe also includes two thermocouple junctions in the cantilever beam electrically isolated from the electric current conductor and the two voltmeter leads. Heat flow is derived quantitatively using only voltage and current measurements. In other forms, the invention relates to the calibration of scanning heat flow probes through a method involving interconnected probes, and relates to the minimization of heat flow measurement uncertainty by probe structure design practices.

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