Pickup device and disk drive

Details Pickup device and disk drive Pickup device and disk drive

2005-08-16

2005-08-16

Heinz, A. J. (Department: 2653)

Dynamic optical information storage or retrieval

Dynamic mechanism optical subsystem

Transducer carriage or actuator

Reexamination Certificate

active

06931650

ABSTRACT:
A pickup device employing an inexpensive flexible printed circuit sheet (FPC) which demonstrates preferable electrical characteristics. FPC has a signal conductive layer inside, and a U-shape bending portion is formed in a midway of FPC at a position where a hologram unit is connected. An opening is formed on FPC adjacent to an area when the hologram unit is connected, and the length of this opening is longer than the height of the hologram unit.

REFERENCES:
patent: 5539767 (1996-07-01), Nakanishi et al.
patent: 6625091 (2003-09-01), Obara
patent: 08288693 (1996-01-01), None
patent: 09115164 (1997-05-01), None
patent: 10-92005 (1998-04-01), None

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