Laminated semiconductor substrate and optical semiconductor...

Details Laminated semiconductor substrate and optical semiconductor... Laminated semiconductor substrate and optical semiconductor...

2007-10-02

2007-10-02

Landau, Matthew C. (Department: 2815)

Active solid-state devices (e.g., transistors, solid-state diode

Incoherent light emitter structure

With heterojunction

C257S096000, C257S103000, C257SE21388, C257SE33032

Reexamination Certificate

active

10884141

ABSTRACT:
A low-cost high-property optical semiconductor element for a long wavelength is provided, using a GaAs substrate. The optical semiconductor element comprises a substrate of GaAs having a first surface and a second surface opposite to each other, a buffer layer of InjGa1-jAs1-kNk(0≦j≦1, 0.002≦k≦0.05) formed on the first surface of the substrate, a first conductive type clad layer formed on the buffer layer, an active layer formed on the first conductive type clad layer and comprising a well layer of InzGa1-zAs (0≦z≦1), the well layer having a smaller bandgap than the first conductive type clad layer, the active layer having a thickness of more than its critical thickness for the substrate based upon equilibrium theories, and a second conductive type clad layer formed on the active layer and having a larger bandgap than the well layer.

REFERENCES:
patent: 5710439 (1998-01-01), Ohkubo
patent: 5825796 (1998-10-01), Jewell et al.
patent: 6100546 (2000-08-01), Major et al.
patent: 6303473 (2001-10-01), Heffernan et al.
patent: 6750480 (2004-06-01), Welser et al.
patent: 6829271 (2004-12-01), Sato et al.
patent: 2002/0034203 (2002-03-01), Shimizu et al.
patent: 7-66366 (1995-03-01), None
patent: 7-94524 (1995-04-01), None
patent: 09213918 (1997-08-01), None
patent: 2000-150388 (2000-05-01), None
patent: 2000-196148 (2000-07-01), None

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