Electron-emitting device
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United States of America Patent
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Oct 25, 2005
Grant Date -
Mar 14, 2002
app pub date -
Aug 30, 2001
filing date -
Aug 31, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of manufacturing an electron-emitting element (20) for emitting electrons from diamond includes the first step of forming a diamond columnar member (25) on a diamond substrate (21), and the second step of forming an electron-emitting portion (30) having a base portion (36) and a sharp-pointed portion (32) which is located closer to a distal end side than the base portion (36) and emits the electrons by performing etching processing with respect to the columnar member (25).
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