Organic semiconductor sensor device

Details Organic semiconductor sensor device Organic semiconductor sensor device

2006-11-28

2006-11-28

Parker, Kenneth (Department: 2815)

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

Field effect device

Responsive to non-optical, non-electrical signal

C257S040000, C257S414000, C257SE51005, C382S124000

Reexamination Certificate

active

07141839

ABSTRACT:
Sensor cells are arranged in an array in an organic semiconductor layer. Row and column select circuitry addresses the cells of the array one cell at a time to determine the presence of an object, such as a fingerprint ridge or valley, contacting or proximate to a sensing surface above each cell. Control circuitry can be provided in a companion silicon chip or in a second layer of organic semiconductor material to communicate with the array and an associated system processor. The array of sensor cells can be fabricated using a flexible polymer substrate that is peeled off and disposed of after contacts have been patterned on the organic semiconductor layer. The organic semiconductor layer can be used with a superimposed reactive interface layer to detect specific chemical substances in a test medium.

REFERENCES:
patent: 4353056 (1982-10-01), Tsikos
patent: 6114862 (2000-09-01), Tartagni et al.
patent: 6278127 (2001-08-01), Dodabalapur et al.
patent: 6326640 (2001-12-01), Shi et al.
patent: 6344664 (2002-02-01), Trezza et al.
patent: 6672174 (2004-01-01), Deconde et al.

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