| 摘要 |
Sensor head or detector head ( 1 ) composed primarily of a protective casing that forms a hollow body ( 2 ) with an external surface, the so-called active surface ( 2 '), and of a sensing or detection element mounted in the hollow body and adjacent to part of the front wall of the protective casing defining the active surface, at the level of the internal surface opposite the latter, the sensor head characterized in that the sensing element ( 3 ) is located at a distance from the internal surface ( 4' ) of the part of the wall ( 4 ) of the hollow body ( 2 ) in such a way as to delineate an interstitial space ( 5 ) of small thickness (d) forming a mechanical and physical decoupling interface between the part of the wall ( 4 ) and the sensing element ( 3 ).
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