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Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
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| Number | Title | Issue Date |
| 5804046 | Thin-film forming apparatus A collimator having a particle getter function, and a thin-film forming apparatus equipped with the collimator disposed between a target and a wafer. The collimator is fabricated by assembling particle getter sheets into a lattice, honeycomb, or other str... | 09/08/1998 |
| 5618397 | Silicide targets for sputtering Metal silicide targets are provided for sputtering which have a density of at least 99%, no more than one coarse silicon phase 10 μm or larger in size that appears, per square millimeter, on the sputter surface, and an oxygen content of at most 150 ppm. ... | 04/08/1997 |
| 5487823 | Sputtering targets having life alarm function A sputtering target is provided in which a gas component source (material capable of evolving gas) is included in the bottom portion of the target. Predicting and determining the expiration of the useful life of sputtering targets is permitted more precis... | 01/30/1996 |
| 5464520 | Silicide targets for sputtering and method of manufacturing the same Silicide targets for sputtering which have an area ratio of silicon phases that appear on the sputter surface of no more than 23%, and a density of at least 99%, with a deformed layer partly removed from the surface to attain a surface roughness of from m... | 11/07/1995 |
| 5460793 | Silicide targets for sputtering and method of manufacturing the same Metal silicide targets are provided for sputtering which have a density of at least 99%, no more than one coarse silicon phase 10 μm or larger in size that appears, per square millimeter, on the sputter surface, and an oxygen content of at most 150 ppm. ... | 10/24/1995 |
| 5135629 | Thin film deposition system In a system for thin film deposition by vapor growth, the contamination of devices and the formation of particles in the deposited thin film inside the system are prevented by the provision therein of an anti-contamination means which is chosen from among... | 08/04/1992 |
