FET type sensor, ion density detecting method comprising...

Details FET type sensor, ion density detecting method comprising... FET type sensor, ion density detecting method comprising...

2006-05-23

2006-05-23

Ngô, Ngân V. (Department: 2818)

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

Field effect device

Having insulated electrode

C257S291000

Reexamination Certificate

active

07049645

ABSTRACT:
The surface of a semiconductor substrate (1) comprises an input diode section (2) and a floating diffusion section (3) consisting of a diffusion region reverse to the substrate in conductivity type, an input gate (6) and an output gate (7) fixed on an insulation film (5) extending from an input diode section to a floating diffusion section, a sensing section (9) consisting of an ion sensitive film fixed on the insulation film extending from the input.

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