Method for forming probe and apparatus therefor

Details Method for forming probe and apparatus therefor Method for forming probe and apparatus therefor

1990-12-05

1992-07-21

Berman, Jack L.

Radiant energy

Inspection of solids or liquids by charged particles

250307, 250310, G01N 2300, G01B 734

Patent

active

051325330

ABSTRACT:
A probe closely positioned to an information carrier in apparatus to effect information reading and/or input on the information carrier is formed by opposing an electrode to an end portion of the probe to be formed. The distance between probe end portion and the electrode is detected to control the position of the electrode with respect to the probe. A voltage is applied to the probe end portion through the electrode under positioning control to form the probe end portion. The probe end portion is formed and may be reformed to maintain reliable performance of the information reading and/or input apparatus.

REFERENCES:
patent: 4343993 (1982-10-01), Binnig et al.
patent: 4998016 (1991-03-01), Nose et al.

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