DATA-SHEET
MCS3AT/BT
3-element colour sensor – TO5
FUNCTION
The colour sensors are made of 3 Si-PIN photo diodes integrated on chip. They are carried
out as segments of a ring with the diameter of 2,0 mm. The design as Si-PIN photo diodes
allows signal frequencies up to MHz-range. In order to achieve a small cross talk between
the photodiodes the individual sectors were separated from each other by additional
structures. Each of these photodiodes is sensitised with dielectric spectral filter for its
colour range, preferably for the primary colours red, green and blue.
APPLICATION
•
Quality control
•
Monitoring the production
•
Control of manufacturing
•
Detection of colour marks
FEATURES
Dielectric filters guaranties the good optical properties
of the colour sensors, such as:
−
high transmission
−
slight aging of the filter
−
high temperature stability
−
high signal frequency
−
reduced cross talk
−
small size (diameter of the optical sensitive surface
ca. 2 mm)
CONSTRUCTION
•
3 on chip integrated PIN photo diodes
•
different package versions
•
dielectric filters for the three colour ranges: red, green and blue
(TO5, with/without IR-blocked)
•
Electrical connections
−
three anodes
−
one common cathode
Distributor: Laser Components
Instrument Group, Wilmington MA, Phone: 978 658 9100, www.laser-components.com
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