Device for non-contact measuring of positon and displacement

The system (2) has a luminous source (4) and a photo-sensitive sensor (6) designed to be displaced with respect to each other. The sensor is designed to generate, when it is illuminated by the beam (8) from the source, an electric signal representing the position of the source with respect to the se...

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Bibliographische Detailangaben
1. Verfasser: FLASSAYER, CLAUDE
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:The system (2) has a luminous source (4) and a photo-sensitive sensor (6) designed to be displaced with respect to each other. The sensor is designed to generate, when it is illuminated by the beam (8) from the source, an electric signal representing the position of the source with respect to the sensor. The sensor has a number of layers deposited on a support (10) with a transparent high resistance layer (12) designed to form a potentiometer track and a photo-sensitive layer (14) designed to deliver electrical charges when it is illuminated by the beam from the source. A metallic layer (16) is designed to collect the electrical charges generated by the photo-sensitive layer. The photo-sensitive layer (14) has a PIN junction deposited between the high resistance layer (12) and the metallic layer (16) so as to form a photo-diode.