Method of making a silicon based biomedical sensor

Details Method of making a silicon based biomedical sensor Method of making a silicon based biomedical sensor

1996-04-12

1997-12-02

Bowers, Jr., Charles L.

Fishing, trapping, and vermin destroying

437974, 437954, 148DIG35, 148DIG52, H01L 2122

Patent

active

056935773

ABSTRACT:
A sensor 20 is formed on semiconductor substrate 22. Dielectric layers 23 and 24 are formed on the face and backside of substrate 22, respectively. Metal leads 26 and 28 contact the substrate through openings in the dielectric layer 23. The leads 26 and 28 are also connected to the set of interleaved longitudinal contact fingers 27 and 29. Additionally, a pair of backside contacts 30 and 32 are formed on the dielectric layer 24. The backside contact 30 is in contact only with the metal lead 26 through a conductive region 34.

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