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Elektrochemischer Sensor und Verfahren zu seiner Herstellung

Electro-chemical sensor for measuring ion activity - comprises selective glass membrane in direct contact with metal electrode or variable conducting glass layer.
: Vonau, W.; Kaden, H.; Kretzschmar, C.; Otschik, P.; Krabbes, I.; Woithe, W.; Grosse, M.

Frontpage ()

DE 1997-19714474 A: 19970408
DE 1997-19714474 A: 19970408
DE 19714474 C2: 20020207
Patent, Electronic Publication
Fraunhofer IKTS ()

Electro-chemical sensor for the detection of ion activity comprises a selective glas membrane (4) in direct contact with a metal electrode (3) or in direct contact with a variable conducting glas layer (4a), which is itself in contact with (3). (3), (4) and (4a) are plated onto a steel-ceramic substrate using screen-print technology. The thermal expansion coefficients of the steel-ceramic substrate and the glas layers differ by a maximum of = 6 multiply 10-7 K-1. USE - The sensor is especially useful in the detection of hydrogen, sodium, calcium, ammonium and silver ions in environmental measurements, bio and medical technology, and in the food and chemical industry.