Self-scanning light-emitting element array chip

Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – Plural light emitting devices

Reexamination Certificate

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Details

C257S094000, C257S098000, C257S099000, C257S103000

Reexamination Certificate

active

10498669

ABSTRACT:
Provided is a self-scanning light-emitting element array chip structured on a substrate using Si. A lattice mismatching buffer layer (32) is formed on a Si substrate (30). On the lattice mismatching buffer layer (32), successively stacked are an n-type AlGaAs layer (14), a p-type AlGaAs layer (16), an n-type AlGaAs layer (18), and a p-type AlGaAs layer (20) in this order. On the AlGaAs layer (20) provided is an anode electrode (22), on the AlGaAs layer (18) a gate electrode (24), on the bottom surface of the GaAs substrate a cathode electrode (26).

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