Bernd H. Beyer

We don’t have enough information about this author to calculate their statistics. If you think this is an error let us know.
Learn More
A screen-controlled corona charging method has been developed for use in the production of film electrets. The charge controller uses feedback and feedforward charge sensor information to attain a required film voltage, independent of the initial film voltage. Compared to a roller charging method, this method gives a more uniform surface potential and also(More)
  • 1