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Class Information
Number: 414/805
Name: Material or article handling > Process > Of moving material between zones having different pressures and inhibiting change in pressure gradient therebetween
Description: Process of moving or enabling gravitational movement of material from a region having a particular pressure to a region having another pressure and preventing or significantly retarding any change in the pressure differential between the regions.


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7611319 Methods and apparatus for identifying small lot size substrate carriers Nov. 3, 2009
7611322 Processing thin wafers Nov. 3, 2009
7600960 Method for transfer of particulate solid products between zones of different pressure Oct. 13, 2009
7521089 Method and apparatus for controlling the movement of CVD reaction byproduct gases to adjacent process chambers Apr. 21, 2009
7467916 Semiconductor-manufacturing apparatus equipped with cooling stage and semiconductor-manufacturing method using same Dec. 23, 2008
7458763 Mid-entry load lock for semiconductor handling system Dec. 2, 2008
7445415 Direct tool loading Nov. 4, 2008
7422406 Stacked process modules for a semiconductor handling system Sep. 9, 2008
7409257 System and method for moving substrates in and out of a manufacturing process Aug. 5, 2008
7371683 Method for carrying object to be processed May. 13, 2008
7331751 Vacuum processing method Feb. 19, 2008
7273339 Powder transport method and apparatus Sep. 25, 2007
7249925 System and method for reticle protection and transport Jul. 31, 2007
7232286 Seal device and method for operating the same and substrate processing apparatus comprising a vacuum chamber Jun. 19, 2007
7214027 Wafer handler method and system May. 8, 2007
7141809 Method for reciprocating a workpiece through an ion beam Nov. 28, 2006
7135691 Reciprocating drive for scanning a workpiece through an ion beam Nov. 14, 2006
7077614 Sorting/storage device for wafers and method for handling thereof Jul. 18, 2006
7074000 Method and apparatus for undocking substrate pod with door status check Jul. 11, 2006
7066703 Chuck transport method and system Jun. 27, 2006
7059817 Wafer handling apparatus and method Jun. 13, 2006
7021881 Semiconductor processing apparatus comprising chamber partitioned into reaction and transfer sections Apr. 4, 2006
6996453 Substrate processing apparatus and method of processing substrate while controlling for contamination in substrate transfer module Feb. 7, 2006
6991416 System and method for reticle protection and transport Jan. 31, 2006
6970770 Cluster tool and method for controlling transport Nov. 29, 2005
6930050 Multi-chamber system having compact installation set-up for an etching facility for semiconductor device manufacturing Aug. 16, 2005
6926012 Method for supercritical processing of multiple workpieces Aug. 9, 2005
6918731 Fast swap dual substrate transport for load lock Jul. 19, 2005
6899507 Semiconductor processing apparatus comprising chamber partitioned into reaction and transfer sections May. 31, 2005
6877946 Wafer transport apparatus Apr. 12, 2005
6848882 Apparatus and method for positioning a cassette pod onto a loadport by an overhead hoist transport system Feb. 1, 2005
6833035 Semiconductor processing system with wafer container docking and loading station Dec. 21, 2004
6821082 Wafer management system and methods for managing wafers Nov. 23, 2004
6796763 Clean box, clean transfer method and system Sep. 28, 2004
6715978 Interbay transfer interface between an automated material handling system and a stocker Apr. 6, 2004
6705828 Vacuum processing apparatus and semiconductor manufacturing line using the same Mar. 16, 2004
6663332 System for the treatment of wafers Dec. 16, 2003
6638672 Exposure apparatus, coating/developing apparatus, method of transferring a substrate, method of producing a device, semiconductor production factory, and method of maintaining an exposure appa Oct. 28, 2003
6609869 Transfer chamber with integral loadlock and staging station Aug. 26, 2003
6592318 Docking cart with integrated load port Jul. 15, 2003
6575687 Wafer transport system Jun. 10, 2003
6568899 Wafer processing system including a robot May. 27, 2003
6517304 Method for transporting substrates and a semiconductor manufacturing apparatus using the method Feb. 11, 2003
6510365 Carrier system positioning method Jan. 21, 2003
6494670 Three chamber load lock apparatus Dec. 17, 2002
6481945 Method and device for transferring wafers Nov. 19, 2002
6481955 Vacuum treatment equipment Nov. 19, 2002
6454519 Dual cassette load lock Sep. 24, 2002
6435809 Dual arm linear hand-off wafer transfer assembly Aug. 20, 2002
6431807 Wafer processing architecture including single-wafer load lock with cooling unit Aug. 13, 2002

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