Optical disk device with pickup cooling plate

Details Optical disk device with pickup cooling plate Optical disk device with pickup cooling plate

2006-09-27

2010-11-30

Renner, Craig A. (Department: 2627)

Dynamic optical information storage or retrieval

Particular cabinet structure for optical media

Environmental control

C720S680000

Reexamination Certificate

active

07844981

ABSTRACT:
An optical disc drive is fitted with a pickup, a non-contacting cooling plate, and a resinous movable spacer. The cooling plate adjacently faces and is fixed to the under, right, or left side of the pickup. The movable spacer is fitted to one of the facing sides of the pickup and cooling plate and prevents direct contact between the pickup and the plate. This drive structure prevents pickup movement interference due to collision between the pickup and the cooling plate, contamination production, needless electric conduction, etc., so that the clearance between the facing sides of the metallic pickup and metallic non-contacting cooling plate is narrow. The narrow clearance results in an improved heat conduction and radiation characteristic, improving the cooling of the whole pickup.

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