Method for activating a pyrocarbon electrode tip

Details Method for activating a pyrocarbon electrode tip Method for activating a pyrocarbon electrode tip

1982-08-06

1985-01-22

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

128784, 128419P, C25B 1112

Patent

active

044950390

ABSTRACT:
A pyrocarbon tip for a cardiac stimulator electrode is subjected to an anodic electrolytic treatment in which a strong, concentrated acid with oxidizing properties, or a mixture of two or more such acids, is used as the electrolyte. The treatment is carried out with a voltage greater than 1 V, preferably between 1 and 20 V, and with a current density greater than 3 mA/mm.sup.2, preferably between 30 and 40 mA/mm.sup.2. Pyrocarbon tips treated in this manner have very low bias voltages in use.

REFERENCES:
patent: 3671411 (1972-06-01), Ray et al.
patent: 4281668 (1981-08-01), Richter et al.

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