Optical pickup device

Details Optical pickup device Optical pickup device

1997-12-03

2000-02-15

Edun, Muhammad

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

369112, 369 13, G11B 7135

Patent

active

06026070&

ABSTRACT:
An optical pickup device using a polarizing optics system is characterized in that the polarization beam splitter comprises a polarizing film having optical properties of transmittance and reflectivity satisfying the following formulas (1) and (2):

REFERENCES:
patent: 5742577 (1998-04-01), Horimai et al.
patent: 5790502 (1998-08-01), Horinouchi et al.
patent: 5903529 (1999-05-01), Nishi et al.

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