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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 |
| 7674158 | Combined grinder and water blaster for stripe removal system A self-propelled mobile marking removal system which comprises a mobile vehicle assembly including a chassis, a high pressure liquid pump in fluid connection with a liquid reservoir contained within said chassis, said high pressure liquid pump is further in fluid co... | 03/09/2010 |
| 7393265 | Liquid honing machine and liquid honing method A honing machine 1 is provided with a honing zone 5 for subjecting a work 2 to a liquid honing process and a washing zone 6 for subjecting the work 2 to which the liquid honing process was executed at the honing zone 5 to a ... | 07/01/2008 |
| 6916231 | Polishing apparatus A polishing apparatus for polishing a workpiece has a polishing unit and a cleaning unit. The polishing unit has a polishing table having a polishing surface thereon, and a top ring for pressing the workpiece against the polishing surface. The cleaning unit has a ro... | 07/12/2005 |
| 6505636 | Apparatus for wafer carrier in-process clean and rinse A system and method for rinsing and cleaning a wafer carrier and a semiconductor wafer mounted thereon during a chemical mechanical planarization (CMP) process is provided. The system includes a head spray assembly that comprises a plurality of spray nozz... | 01/14/2003 |
| 6354922 | Polishing apparatus A polishing apparatus is used for polishing a workpiece such as a semiconductor wafer to a flat mirror finish. The polishing apparatus comprises a turntable having a polishing surface, a top ring for holding a workpiece and pressing the workpiece against ... | 03/12/2002 |
| 6315646 | Processing system for increasing the quality of a gear and a barreling apparatus usable in the same A processing system for increasing the quality of a gear having a shot peening apparatus for subjecting, to shot peening, a gear after tooth-forming and surface hardening; a barreling apparatus positioned adjacently to the shot peening apparatus, for subj... | 11/13/2001 |
| 6287178 | Wafer carrier rinsing mechanism A carrier rinse unit comprising a plurality of nozzles prepositioned to eject a cleaning fluid against a surface of a wafer while the wafer is rotated within a wafer carrier. The prepositioned nozzles may be angled to spray a leading edge, a trailing edge... | 09/11/2001 |
| 6090239 | Method of single step damascene process for deposition and global planarization A modified chemical-mechanical polishing apparatus is described. The apparatus includes: (i) a polishing pad 104 providing a surface against which a surface of an integrated circuit substrate 116 is polished; (ii) an anode 103 on which the polishing pad i... | 07/18/2000 |
| 6050884 | Polishing apparatus A polishing apparatus is used for polishing a workpiece such as a semiconductor wafer to a flat mirror finish. The polishing apparatus includes a turntable having a polishing surface thereon, and a top ring for holding a workpiece to be polished and press... | 04/18/2000 |
| 5839424 | Process for the orientation of several single crystals disposed side by side on a cutting support for their simultaneous cutting in a cutting machine and device for practicing this process The process and device (1) for positioning several single crystals (2) on a support (3) for their simultaneous cutting in directions well defined relative to the crystal structure of each single crystal; they avoid the adjustment in the machine and minimi... | 11/24/1998 |
| 5830045 | Polishing apparatus A polishing apparatus polishes a workpiece such as a semiconductor wafer to a flat mirror finish. The polishing apparatus includes a storage cassette for storing workpieces to be polished, at least two polishing units each having at least a turntable with... | 11/03/1998 |
