Complex optical element and optical pickup

Details Complex optical element and optical pickup Complex optical element and optical pickup

2011-04-05

2011-04-05

Huber, Paul (Department: 2627)

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

C369S112260

Reexamination Certificate

active

07920455

ABSTRACT:
A complex optical element includes a first optical portion and a second optical portion which are made of materials different from each other. The second optical portion is bonded to an optical functional face of the first optical portion. A concavoconvex face part is formed at the central part of the bond area between the first optical portion and the second optical portion.

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