Biosensor

Details Biosensor Biosensor

1994-08-19

1996-04-30

Tung, T.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204280, 204412, G01N 27327

Patent

active

055121594

ABSTRACT:
A biosensor of the present invention is provided with an insulating base plate, an electrode system mainly consisting of a working electrode and a counter electrode formed on the insulating base plate, and a reaction layer on the electrode system. The counter electrode is partially a circular arc. A manufacturing method of the biosensor of the present invention is comprised of a step to form a base by arranging leads, an electrode system, and an insulating layer on an insulating base plate, and a step to form a reaction layer mainly composed of an enzyme on the electrode system. Since the counter electrode is partially in the shape of a circular arc, the reaction layer is easily formed and prevented from delaminating, whereby the measuring accuracy, preservative properties and reliability of the biosensor are improved. The present invention enables highly efficient biosensors to be mass produced at low cost.

REFERENCES:
patent: 4571292 (1986-02-01), Liu et al.
patent: 4851088 (1989-07-01), Chandrasekhar et al.
patent: 4871440 (1989-10-01), Nagata et al.
patent: 4897173 (1990-01-01), Nankai et al.
patent: 4948490 (1990-08-01), Venkatasetty
patent: 5120420 (1992-06-01), Nawkai et al.
patent: 5126034 (1992-06-01), Carter et al.

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