The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 27, 1993
Filed:
Nov. 18, 1991
Masaji Nishikawa, Tokyo, JP;
Olympus Optical Co., Ltd., Tokyo, JP;
Abstract
In an ion current control head for controlling ion current flying from an ion generation source to a dielectric medium, an electrode and electrode are each divided into a plurality of segment electrode areas, the segment electrode areas in one of these electrodes intersect those in the other electrode, and an undivided continuous electrode is provided on an ion generation source side as viewed from the electrodes. At those intersections of the segment electrode areas in the electrode and those in the second electrode, openings are provided which pierce the electrodes. An ion current control matrix drive is carried out by applying a control signal voltage across the electrodes for controlling whether ion current is flowed in the opening lor suppressed and a control signal voltage across the electrodes for controlling whether the passage of the ion current in the opening is allowed or suppressed.