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PURERON JAPAN CO., LTD.
| PURERON JAPAN CO., LTD. Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20110037375 | CARBON FILM HAVING SHAPE SUITABLE FOR FIELD EMISSION - A carbon film of the present invention has an elongated needle shape whose radius decreases toward a tip. The shape is, preferably, a shape in which a field concentration coefficient β in the Fowler-Nordheim equation is expressed by h/r where r denotes the radius in an arbitrary position and h denotes height from the arbitrary position to the tip. | 02-17-2011 |