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1-13. Cautions on Handling the Optical Block Assembly
When handling the optical block assembly, perform grounding as described below to prevent electrostatic
breakdown.
Grounding human body
Be sure to wear a grounded wrist strap (10
body.
Note
Since static electricity charged in clothes is not discharged from the wrist strap, keep your clothes away
from the optical block assembly.
Grounding the workbench
Be sure to put the optical block assembly on a grounded earth mat (10
copper plate.
Optical block assembly
Precautions
•
The optical block assembly has been precisely adjusted. Do not give impact to it due to fall or
careless handling.
•
Do not touch the objective lens.
•
When handling the optical block assembly, hold the slide base (die-casting part). If a part of human
body or another object directly touches the circuit on the printed circuit board, it may deteriorate.
•
The actuator has a strong magnet. If a magnetic substance comes close to the optical block assembly,
the actuator characteristics change. Contacting a metal part such as a screwdriver with the actuator
may damage the objective lens. Do not bring a magnetic substance close to the optical block
assembly.
•
Be careful so that any foreign matter does not enter the clearance of the actuator cover.
8
Ω or less) to discharge static electricity charged in the human
Ground wrist strap
Earth mat
9
Ω or less recommended) or a
20
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