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| Number | Title | Issue Date |
| 7357115 | Wafer clamping apparatus and method for operating the same A wafer clamping apparatus is provided to secure a wafer within a chamber during wafer processing. The wafer clamping apparatus creates a pressure differential between a top surface and a bottom surface of the wafer. The pressure differential serves to pull the wafe... | 04/15/2008 |
| 7165317 | Electrode extension sheet for use in a lapping apparatus The present invention is an object to provide an apparatus or a method making it possible to easily effect connection between additional electrodes, etc. and lead electrodes when performing a processing for achieving a predetermined throat height value or crown proc... | 01/23/2007 |
| 6578257 | Semi-automated media rework tool A media rework tool for discs and/or a spindle motor carrying a disc pack is disclosed that has a slider plate mounted on a base for lateral movement between a retracted position and an extended position. The slider plate holds a spindle motor with a disc... | 06/17/2003 |
| 6467157 | Apparatus for construction of annular segmented permanent magnet An apparatus is provided for constructing a segmented annular permanent magnet from a predetermined number of previously magnetized segments of predetermined shape and size comprising a rotateable carrousel, at least two of a plurality of removable ferrom... | 10/22/2002 |
| 6183188 | Manually operated work pallet changer system A manually operated pallet changer system for use with automatic machine tools includes a pallet changer and a compatible machine tool mounted pallet receiver. The pallet changer includes a massive, floor supported base to which a cantilevered first platf... | 02/06/2001 |
| 5901624 | Workpiece transfer apparatus An apparatus for transferring workpieces to and from the chuck of a machine tool. A gripper arm is mounted to the machine frame for selectively axial and rotational movement on a shaft having helical and longitudinal threads on the surface thereof. A firs... | 05/11/1999 |
| 5355575 | Pallet moving device Method for transfer of a pallet from the slant table upon which it is made to a stacker or other location by using dual arms with endless chains thereon for moving the pallet after lifting the arms from a storage position just below an angled table surfac... | 10/18/1994 |
| 4566837 | Automatic work exchanging apparatus An automatic work exchanging apparatus for transferring works between a transport truck running in front of plural machine tools and the plural machine tools. The automatic work exchanging apparatus is made to run along the row of the machine tools, and a... | 01/28/1986 |
| 4494282 | Jig table apparatus for a machine tool A jig table apparatus for a machine tool is provided. The apparatus comprises first and second jig tables for holding workpieces thereon. A base for positioning adjacent a machine tool and elevating table are provided at a work station for supporting and ... | 01/22/1985 |
| 4433835 | Wafer chuck with wafer cleaning feature A wafer chuck and a wafer loading and unloading system wherein a flat support surface of the chuck has a plurality of peaks and valleys, with the peaks minimizing contact with the wafer, yet having sufficient contact area for wafer support without deforma... | 02/28/1984 |
| 4154436 | Wall component fabricating jig A fabricating jig for building components is disclosed, including a horizontal frame, a pair of longitudinally extending stop plates connected with the frame for relative transverse parallel displacement toward and away from each other, and a device for d... | 05/15/1979 |
| 4148471 | Apparatus for fabricating wood structures Apparatus for fabricating flat floor trusses or other wood structures, the apparatus including a number of wood member support frames securable together in end-to-end abutting relation with each of the frames having a tongue at one end thereof and a groov... | 04/10/1979 |
