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Title:
WORK FUNCTION MEASURING METHOD, APPARATUS THEREFOR AND SAMPLE HOLDER
Document Type and Number:
Japanese Patent JP3419662
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To accurately measure work function regardless of material quality without being affected by a surface state.
SOLUTION: A first process wherein the surface of a movable electrode 12 is irradiated with exciting light Lλ, while a wavelength is successively scanned to calculate light energy at a time of the discharge of photoelectrons from the surface of the movable electrode, a second process vibrating the movable electrode 12 in constant frequency so as to allow the same to advance and retreat with respect to a sample S (a) to measure the potential difference between the movable electrode 12 and the sample S, and a third process calculating the value wherein the light energy calculated in the previous process is added to this potential difference (b), are provided.


Inventors:
Yoshiyuki Nakashima
Yukio Nakamura
Application Number:
JP27358297A
Publication Date:
June 23, 2003
Filing Date:
September 19, 1997
Export Citation:
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Assignee:
RIKEN KEIKI Co.,Ltd.
International Classes:
G01N23/227; G01N27/60; (IPC1-7): G01N23/227; G01N27/60
Domestic Patent References:
JP9179353A
JP1153948A
JP7120432A
Attorney, Agent or Firm:
Katsuhiko Kimura (1 outside)