Maintaining interatomic distance between an STM probe and a reco

Details Maintaining interatomic distance between an STM probe and a reco Maintaining interatomic distance between an STM probe and a reco

1995-06-07

1998-09-22

Nelms, David C.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Electrical modification or sensing of storage medium

250306, G11B 900, G06K 1700

Patent

active

058125167

ABSTRACT:
An information recording system includes a recording medium, and a probe electrode provided at a location opposed to the recording surface of the recording medium. The probe electrode is capable of recording on the recording medium by application of a voltage between the probe electrode and the recording medium. An elastic member supports the probe electrode for motion relative to a base member arranged perpendicular to the recording surface. The distance between the recording surface and the probe electrode is adjustable by a mechanism provided for that purpose. The displacement of the probe electrode caused by an interatomic force acting between the recording medium and the probe electrode is detected, and a displacement signal based on the detected displacement is output. A control circuit feeds back the displacement signal so that the probe electrode can move back to its original position.

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