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Ushio Inc.
| Ushio Inc. Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20100045185 | CATHODE FOR DISCHARGE LAMP AND DISCHARGE LAMP USING THE SAME - A cathode for a discharge lamp contains emitter material, wherein a carbide layer is formed on an outer surface of the cathode, the carbide layer is formed on an area extending from a tip portion of the cathode, and two or more grooves extending toward the tip portion of the cathode are formed on the area where the carbide layer is formed. | 02-25-2010 |
| 20080285602 | Narrow-Spectrum Laser Device - A spectral purity range (E | 11-20-2008 |