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Patent Searching and Data


Title:
ELECTRON BEAM DEVICE, AND MANUFACTURING METHOD OF DEVICE USING THE SAME
Document Type and Number:
Japanese Patent JP2003031171
Kind Code:
A
Abstract:

To provide an electron beam device enabled to obtain multi-beam by using an electron gun having one cathode, and to provide a manufacturing method of a device using the electron beam device.

The electron beam device irradiates an electron beam emitted from a cathode 63 having a plurality of protrusions to a plurality of openings of a plate with openings 3, and reduce-projects the electron beam passed through the openings on a sample. The plurality of openings on the plate with openings 3 are formed by etching a Si single crystal plate 21. The plurality of openings on the plate with openings 3 can be formed by metal coating. A square nock hole, for the positioning of θ-direction, is formed to the plate with openings 3, or the outer form of the plurality of openings on the plate with openings 3 has sides which are parallel with X-axis or Y-axis.


Inventors:
HAMASHIMA MUNEKI
NAKASUJI MAMORU
KATO TAKAO
NOMICHI SHINJI
SATAKE TORU
Application Number:
JP2001217858A
Publication Date:
January 31, 2003
Filing Date:
July 18, 2001
Export Citation:
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Assignee:
NIKON CORP
EBARA CORP
International Classes:
G21K1/02; G21K5/04; H01J9/14; H01J37/09; H01L21/66; (IPC1-7): H01J37/09; G21K1/02; G21K5/04; H01J9/14; H01L21/66
Attorney, Agent or Firm:
Kazuo Shamoto (5 outside)