2000 January

12

Philips Semiconductors

Product specification

Frame Transfer CCD Image Sensor

FT 18

Figure 6 - Application diagram to protect the FT 18

Device Handling

An image sensor is a MOS device which can be destroyed by electro-

static discharge (ESD). Therefore, the device should be handled

with care.

Always store the device with short-circuiting clamps or on conductive

foam. Always switch off all electric signals when inserting or removing

the sensor into or from a camera (the ESD protection in the CCD

image sensor process is less effective than the ESD protection of

standard CMOS circuits).

Being a high quality optical device, it is important that the cover

glass remain undamaged. When handling the sensor, use fingercots.

When cleaning the glass we recommend using ethanol (or possibly

water). Use of other liquids is strongly discouraged:

• if the cleaning liquid evaporates too quickly, rubbing is likely to

cause ESD damage.

• the cover glass and its coating can be damaged by other liquids.

Rub the window carefully and slowly.

Dry rubbing of the window may cause electro-static charges or

scratches which can destroy the device.

BAT74

Schottky!

VPS

SFD

VRD

BC

860C

BC

850C

VNS

BC

850C

27

15

10k

VCS

VOG

10k

10k

OUT

keep short

<10mm!

keep short!

output for

preprocessing

BFR

92A

BAT74

BAT74

Schottky!

Ω

Ω

Ω

Ω

Ω

100 Ω

VSFD