Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – In combination with or also constituting light responsive...
Patent
1992-06-18
1994-02-08
Mintel, William
Active solid-state devices (e.g., transistors, solid-state diode
Incoherent light emitter structure
In combination with or also constituting light responsive...
257185, 257466, 257623, 257190, 257 95, 372 50, H01L 2714, H01L 3300, H01L 2906
Patent
active
052850862
ABSTRACT:
Semiconductor devices having a low density of dislocation defects can be formed of epitaxial layers grown on defective or misfit substrates by making the thickness of the epitaxial layer sufficiently large in comparison to the maximum lateral dimension. With sufficient thickness, threading dislocations arising from the interface will exit the sides of the epitaxial structure and not reach the upper surface. Using this approach, one can fabricate integral gallium arsenide on silicon optoelectronic devices and parallel processing circuits. One can also improve the yield of lasers and photodetectors.
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