Cutting tool with sensor and production method therefor

Details Cutting tool with sensor and production method therefor Cutting tool with sensor and production method therefor

2006-05-30

2006-05-30

Ashley, Boyer D. (Department: 3722)

Cutters, for shaping

Including tool having plural alternatively usable cutting edges

C407S120000, C451S009000, C451S010000, C451S011000

Reexamination Certificate

active

07052215

ABSTRACT:
A cutting tool with a sensor according to the present invention includes an electrically conductive substrate, an insulation film provided on a surface of the electrically conductive substrate, and a sensor circuit of an electrically conductive film provided on the insulation film. The insulation film includes two consecutive insulation layers. Even if the plural insulation layers each have defects such as cracks and pinholes which possibly impair the insulation property impair the insulation film, the defects present in the plural layers are unlikely to be continuous. Therefore, the insulation film has an improved insulation reliability, thereby ensuring proper function of the sensor circuit in the cutting tool.

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