Cleaning The Sensor Window - Teledyne DALSA HS-40-04k40-xx-R User Manual

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to avoid introd u cing oily resid u es, only hold the sensor from the ed ges of the ceram ic
package and avoid tou ching the sensor pins and the w ind ow .
Scratches can be cau sed by im proper hand ling, cleaning or storage of the sensor. Vacu u m
picking tools shou ld not com e in contact w ith the w ind ow su rface. CCDs shou ld not be
stored in containers w here they are not properly secu red and can slid e against the
container.
Scratches d iffract incid ent illu m ination. When exposed to u niform illu m ination, a sensor
w ith a scratched w ind ow w ill norm ally have brighter pixels ad jacent to d arker pixels. The
location of these pixels changes w ith the angle of illu m ination.

Cleaning the Sensor Window

1. Use com pressed air to blow off loose particles. This st ep alone is u su ally su fficient to
2. If fu rther cleaning is requ ired , u se a lens w iper m oistened w ith alcohol or acetone.
3. We recom m end u sing lint-free ESD-safe cloth w ipers that d o not contain particles that
4. An alternative to ESD-safe cloth w ipers is Transplex sw abs that have d esirable ESD
5. Wipe the w ind ow carefu lly and slow ly.
6. When cleaning long linear sensors, it m ay be easier to w ipe along the w id th (i .e. as
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clean the sensor w ind ow .
can scratch the w ind ow . Th e Anticon Gold 9‖x 9‖ w iper m ad e by Milliken is both ESD
safe and su itable for class 100 environm ents. Another ESD acceptable w iper is the
TX4025 from Texw ipe.
properties. There are several varieties available from Texw ipe. Do not u se regu lar
cotton sw abs, since these can introd u ce charge to the w ind ow su rface.
opposed to the length) of the sensor.
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Teledyne DALSA