Patent ID: 11903321
Assignee: TDK ELECTRONICS AG
Field: Chemical engineering (Chemistry)
Classification: CPC H | IPC H

Claim 40:
41. A device comprising:
a piezoelectric transformer;
a driver circuit configured to apply an input signal to the piezoelectric transformer; and
a field probe comprising a metallization forming a measurement point, at which the field probe is configured to determine a local field strength of an electric field produced by the piezoelectric transformer,
wherein the field probe is configured to measure the field strength of the electric field at the measurement point,
wherein the driver circuit is configured to adapt the input signal while taking into account the measurement results of the field probe in such a way that a frequency of the input signal corresponds to that of a parallel resonant frequency of the piezoelectric transformer, and
wherein the device is configured to produce a nonthermal atmospheric pressure plasma.