Optical head including a semiconductor laser having a non-scatte

Details Optical head including a semiconductor laser having a non-scatte Optical head including a semiconductor laser having a non-scatte

1996-05-13

1998-03-17

Nelms, David C.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

369 4432, 369 4437, 369112, G11B 700, G02B 532

Patent

active

057295190

ABSTRACT:
An optical head for optical recording and reproducing apparatuses is disclosed, which comprises

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