Photodiode

Details Photodiode Photodiode

2007-12-05

2010-02-09

Wilson, Allan R. (Department: 2815)

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

Combined with electrical contact or lead

Of specified material other than unalloyed aluminum

C257SE23017, C257SE23019

Reexamination Certificate

active

07659627

ABSTRACT:
A photodiode balanced in increased sensitivity and speed. The photodiode includes a semiconductor substrate, an active region formed on the semiconductor substrate, and a comb electrode connected to the active region. The comb electrode includes a plurality of electrode fingers, and each of the electrode fingers includes a transparent electrode contacting the active region, and an opaque electrode formed on the transparent electrode. Here, the width of the opaque electrode is set smaller than the width of the transparent electrode.

REFERENCES:
patent: 5777390 (1998-07-01), Berger et al.
patent: 7557436 (2009-07-01), Mizuno et al.
patent: 2003/0133066 (2003-07-01), Ono et al.
patent: 2006/0103750 (2006-05-01), Iwamoto
patent: 2006/0274250 (2006-12-01), Ono et al.

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