Disc cartridge with shutter overlapping gap having labyrinth...

Details Disc cartridge with shutter overlapping gap having labyrinth... Disc cartridge with shutter overlapping gap having labyrinth...

2005-09-13

2005-09-13

Watko, Julie Anne (Department: 2653)

Dynamic optical information storage or retrieval

Optical storage medium structure

Disk cartridge

Reexamination Certificate

active

06944875

ABSTRACT:
Disclosed is a disk cartridge capable of preventing the permeation of dust in the disk cartridge. A labyrinth shape portion having a recessed dust deposition portion formed in a gap at a portion between tilt planes for overlap of shutters are vertically overlapped to each other.

REFERENCES:
patent: 5636095 (1997-06-01), McGrath et al.
patent: 2004/0052204 (2004-03-01), Okazawa et al.

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