Optical semiconductor component package and optical pickup...

Details Optical semiconductor component package and optical pickup... Optical semiconductor component package and optical pickup...

2005-10-25

2005-10-25

Edun, Muhammad (Department: 2655)

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

C369S122000, C369S112010, C369S044120

Reexamination Certificate

active

06958969

ABSTRACT:
In an optical semiconductor package according to the present invention, the component bearing surface of the stem having an outline made up of opposed first and second circular-arc parts, a first straight-line part which connects each end of the first and second circular-arc parts and a second straight-line part which connects each other end of the first and second circular-arc parts. The first and second circular-arc parts have a common center, and the first circular-arc part has a larger radius than that of the second circular-arc part. Thus, the larger space, the space between the first circular-arc part and the center, can be used for disposing the light detector or a polarization split element, and the unused space, the space between the second circular-arc part and the center, will be minimum, thereby realizing downsizing and cost reduction of the device.

REFERENCES:
patent: 5105403 (1992-04-01), Kando et al.
patent: 5150343 (1992-09-01), Goto et al.
patent: 5200940 (1993-04-01), Goto et al.
patent: 3035077 (2000-02-01), None
patent: 2000-123433 (2000-04-01), None

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