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參數(shù)資料
| 型號： | LZ0P3610 |
| 廠商： | Sharp Corporation |
| 英文描述： | 1/4-type Built-in Lens Color CCD Area Sensors with 270 k Pixels |
| 中文描述： | 1/4-type內置鏡頭彩色CCD感應器與270萬像素 |
| 文件頁數(shù)： | 13/14頁 |
| 文件大小： | 126K |
| 代理商： | LZ0P3610 |
PRECAUTIONS FOR BUILT-IN LENS CCD AREA SENSORS
13
PRECAUTIONS FOR BUILT-IN LENS CCD
AREA 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 CCD 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 leads 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) When adjusting the focus, screw the lens holder
to the circuit board before soldering the leads.
At that time, make sure to use a circuit board
with plenty of strength, and to avoid the
package and the lens holder from being broken,
the following screw and clamp torque are
recommended.
Recommended mounting screw :
1.7 tapping screw (B-tight type),
Length, L = the thickness of the circuit board
+ 5 mm
Recommended clamp torque : 0.012 N·m
[however, when the thickness of the circuit
board is thinner than t = 2.0 mm]
3) 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 dust to scratch the lens.
2. Electrostatic Damage
As compared with general MOS-LSI, CCD has
lower ESD. Therefore, take the following anti-static
measures when handling the CCD :
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 lead.
3) To avoid generating static electricity,
a. do not scrub the device with cloth or plastic.
b. do not attach any tape or labels.
c. do not clean the device with dust-cleaning
tape.
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 CCD in a clean
environment such as a cleaned booth. (The
cleanliness level should be, if possible, class
1 000 at least.)
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