Semiconductor laser device which emits inclined laser beam

Details Semiconductor laser device which emits inclined laser beam Semiconductor laser device which emits inclined laser beam

1993-12-06

1995-03-07

Dzierzynski, Paul M.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

369107, 369122, 372 46, 372 45, 372 43, G11B 700, H01L 2300

Patent

active

053964810

ABSTRACT:
A semiconductor laser chip comprises a substrate and material layers successively formed on the substrate. The laser chip has an output cleavage face and emits an output laser beam which is inclined to the output cleavage face. The laser chip may be incorporated in a laser pickup device for optically reading information from an optical data carrier such as optical disk.

REFERENCES:
patent: 4395769 (1983-07-01), Damen et al.
patent: 4432091 (1984-02-01), Kuroda et al.
patent: 4654839 (1987-03-01), Endo
patent: 4856014 (1989-08-01), Figueroa et al.
patent: 5235609 (1993-08-01), Uchida et al.
patent: 5283799 (1994-02-01), Jacquet et al.

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