Radiant energy – Inspection of solids or liquids by charged particles
Patent
1992-08-26
1994-07-12
Dzierzynski, Paul M.
Radiant energy
Inspection of solids or liquids by charged particles
369126, H01J 3726
Patent
active
053291220
ABSTRACT:
An information processing apparatus for effecting recording of information on and/or reproduction of information from a recording medium is provided with a probe electrode, a cantilever piezo-electric member, a controller and a detector. The probe electrode is relatively displaced to the recording medium by the cantilever piezo-electric member. The controller applies a control signal to the cantilever piezo-electric member to control the cantilever piezo-electric member. The detector detects a minute signal obtained on the tunnel effect caused between the probe electrode and the recording medium. A switch element is further provided on the apparatus so as to electrically disconnect between the cantilever piezo-electric member and the controller during the minute signal being detected by the detector.
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Hatanaka Katsunori
Oguchi Takahiro
Sakai Kunihiro
Shido Shunichi
Yamano Akihiko
Canon Kabushiki Kaisha
Dzierzynski Paul M.
Nguyen Kiet T.
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