參數(shù)資料
型號: LZ0P3817
廠商: SHARP ELECTRONICS CORP
元件分類: 模擬信號調(diào)理
英文描述: SPECIALTY ANALOG CIRCUIT, CQCC36
封裝: 11.40 X 11.40 MM, 7 MM HEIGHT, LCC-36
文件頁數(shù): 7/16頁
文件大?。?/td> 145K
代理商: LZ0P3817
LZ0P3817
15
PRECAUTIONS FOR BUILT-IN LENS
CMOS IMAGE SENSORS
1. Package Breakage
In order to prevent the package, the lens holder,
and the lens from being broken, follow the
instructions below :
1) The built-in lens CMOS image sensor is a
precise optical component and the package-
base material is ceramic.
Therefore,
Take care not to drop the device when
mounting, handling, or transporting.
Avoid giving a shock to the package.
Especially when pins are fixed to the socket
or the circuit board, a small shock could
break the package more easily than when
the package isn’t fixed.
2) If any damage or breakage occurs on the
surface of the lens, its characteristics could
deteriorate.
Therefore,
Do not hit the lens.
Do not give a shock large enough to cause
distortion.
Do not scrub or scratch the surface of the
lens.
– Even a soft cloth or applicator, if dry, could
cause flaws to scratch the lens.
2. Electrostatic Damage
As compared with general MOS-LSI, CMOS image
sensor has lower ESD. Therefore, take the
following antistatic measures when handling the
CMOS image sensor :
1) Always discharge static electricity by grounding
the human body and the instrument to be used.
To ground the human body, provide resistance
of about 1 M$ between the human body and
the ground to be on the safe side.
2) When directly handling the device with the
fingers, hold the lens holder and do not touch
the pin.
3) To avoid generating static electricity,
a.do not scrub the lens and package with cloth
etc.
b.do not attach any tape or labels.
4) When storing or transporting the device, put it in
a container of conductive material.
3. Dust and Contamination
Dust or contamination on the surface of the lens
and the inside of the lens holder could deteriorate
the output characteristics or cause a scar. In order
to minimize dust or contamination on the device,
take the following precautions :
1) Do not remove the lens from the body.
Especially when adjusting macro, be careful
not to remove the lens by turning it counter-
clockwise too much.
2) Do not touch the surface of the lens with the
fingers. If dust or contamination gets on the
surface of the lens, the following cleaning
method is recommended :
Handle the built-in lens CMOS image sensor
in a clean environment such as a cleaned
booth. (The cleanliness level should be, if
possible, class 1 000 at least.)
Dust from static electricity should be blown
off with an ionized air blower. For anti-
electrostatic measures, however, ground all
the pins on the device before blowing off the
dust.
The contamination on the surface of the lens
should be wiped off with a clean
applicator
soaked in isopropyl alcohol. Wipe slowly and
gently in one direction only.
– Frequently replace the applicator and do not
use the same applicator to clean more than
one device.
Make sure there is no dust or contamination
on the lens and screw it on the lens
holder.
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