Method for recording the heat generated in a hole wall of a subs

Details Method for recording the heat generated in a hole wall of a subs Method for recording the heat generated in a hole wall of a subs

1998-02-03

1999-11-16

Gutierrez, Diego

Thermal measuring and testing

Calorimetry

374162, 374 43, 116216, G01K 1700, G01K 1300, G01K 1112

Patent

active

059845236

ABSTRACT:
The present invention provides a system for recording a heat exchange event within a drilled hole wall of a substrate during a drilling process. In particular, the invention includes a thermal sensitive film placed in contact with a substrate which is to be drilled, which is capable of recording a thermal signature of the heat transferred during the drilling process. The result is a ring shaped signature whose thickness provides a direct correlation to drilling temperature. With these results, the integrity of the substrate surrounding the drilled hole can be inspected.

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