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TRACTIUNE ELECTRICA

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SENZORI DE PRESIUNE IN MEDICINA<br />

Se utilizeaza la microsisteme de masurare a tensiunii arteriale<br />

Sunt introduse intravenos si monitorizeaza tensiunea arteriala<br />

Sunt mai ieftine decat sistemele existente<br />

Sangele actioneaza asupra membranei de silicon<br />

Deformarea membranei actioneaza asupra<br />

elementului piezoelectric<br />

Elementul piezoelectric transforma deformarea<br />

mecanica in semnal electric<br />

Membrană<br />

silicon<br />

Substrat<br />

MICROSISTEME ELECTROMECANICE<br />

Pastile<br />

piezoelectrice<br />

Presiune<br />

2007-2008 CET - CURS 9 28

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