Electrode arrangements

Chemistry: electrical and wave energy – Processes and products – Vacuum arc discharge coating

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Details

204 1T, 23230B, 435291, C12M 134, C12Q 170, G01N 2730

Patent

active

043222790

ABSTRACT:
A bacterial activity sensing electrode or probe comprises an insulating substrate carrying a conductive pattern as two conductors as a mask-produced thick film. The conductors terminate in bare sensor parts and also in bare connection parts and are otherwise covered by an insulating coating also mask-produced. The substrate has a molded-on cap of suitably inert plastics material to fit directly to a sample bottle with the sensor parts inside and the connector parts offset to one side for making a push-bit electrical connection thereto. Inoculation of a growth medium is via a through-passage in the cap and ruptuable means associated therewith.

REFERENCES:
patent: 3403081 (1968-09-01), Rohrback et al.
patent: 3743581 (1973-07-01), Cady et al.
patent: 3868223 (1975-02-01), Robock et al.
patent: 4020830 (1977-05-01), Johnson et al.
patent: 4172770 (1979-10-01), Semersky et al.
patent: 4200293 (1980-04-01), Wilkins et al.

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