Patents for H02N 13 - Clutches or holding devices using electrostatic attraction, e.g. using johnson-rahbek effect (1,323) |
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06/25/1996 | US5530616 Electrostastic chuck |
06/12/1996 | EP0681757B1 Magnetic force-transmitting device |
06/11/1996 | US5525642 Electroresponsive polymer systems |
06/04/1996 | US5522131 Electrostatic chuck having a grooved surface |
05/28/1996 | US5521790 Electrostatic chuck having relatively thick and thin areas and means for uniformly cooling said thick and thin areas during chuck anodization |
05/01/1996 | EP0582566B1 Ceramic electrostatic chuck |
04/16/1996 | US5508327 Electroresponsive polymer systems |
03/13/1996 | EP0701319A1 Electrostatic substrat holder |
03/13/1996 | EP0700593A1 Releasing a workpiece from an electrostatic chuck |
03/13/1996 | CN1118639A Magnetic force-transmitting device |
03/06/1996 | EP0699606A1 Electrostatic levitation conveyor and electrostatic levitation electrodes thereof |
01/24/1996 | EP0693771A1 Electrostatic chuck for a substrate in a process chamber |
01/24/1996 | EP0693770A1 Electrostatic chuck for magnetic flux processing |
01/23/1996 | US5486974 Electrostatic attraction board system |
01/17/1996 | EP0692814A1 Multi-electrode electrostatic chuck |
01/17/1996 | EP0692156A1 Electrostatic chuck with conformal insulator film |
12/12/1995 | US5474614 Method and apparatus for releasing a semiconductor wafer from an electrostatic clamp |
11/15/1995 | EP0681757A1 Magnetic force-transmitting device. |
11/14/1995 | US5467249 Electrostatic chuck with reference electrode |
10/31/1995 | US5463526 Hybrid electrostatic chuck |
10/31/1995 | US5463525 Guard ring electrostatic chuck |
10/17/1995 | US5459632 Releasing a workpiece from an electrostatic chuck |
09/28/1995 | WO1995025689A1 Electrostatic levitation conveyor and electrostatic levitation electrodes thereof |
09/26/1995 | US5452510 Method of making an electrostatic chuck with oxide insulator |
09/19/1995 | US5452177 Electrostatic wafer clamp |
09/14/1995 | WO1995024764A1 Releasing a workpiece from an electrostatic chuck |
09/08/1995 | WO1995024070A1 Electrostatic chuck |
08/30/1995 | EP0669644A2 Electrostatic chuck |
08/23/1995 | EP0668608A1 Electrostatic chuck with erosion-resistant electrode connection |
08/03/1995 | WO1995020838A1 Electrostatic chuck with conformal insulator film |
07/27/1995 | WO1995020263A1 Hybrid electrostatic chuck |
07/05/1995 | EP0620953A4 Electrostatic wafer clamp. |
07/05/1995 | EP0375731B1 Micropositioner systems and methods |
06/28/1995 | EP0660500A1 Electrostatic chuck with reference electrode |
06/28/1995 | EP0660499A1 Guard ring electrostatic chuck |
06/28/1995 | EP0660388A1 Method of making an electrostatic chuck with oxide insulator |
06/28/1995 | EP0660378A1 Electrostatic chuck with oxide insulator |
06/20/1995 | US5426558 Anti-stick electrostatic chuck for a low pressure environment |
01/25/1995 | EP0635870A1 An electrostatic chuck having a grooved surface |
01/24/1995 | US5384682 Electrostatic chuck |
01/24/1995 | US5384681 Electrostatic chuck |
01/17/1995 | US5382469 Ceramic-titanium nitride electrostatic chuck |
10/26/1994 | EP0620953A1 Electrostatic wafer clamp |
09/14/1994 | EP0615280A1 Electrostatic chuck |
08/04/1994 | WO1994017583A1 Magnetic force-transmitting device |
08/04/1994 | CA2154165A1 Magnetic power transmission device |
06/28/1994 | US5325261 Electrostatic chuck with improved release |
06/28/1994 | US5324053 Electrostatic chuck |
05/26/1994 | WO1994011944A1 Electrostatic wafer clamp |
05/24/1994 | US5315473 Method of electrostatically clamping a workpiece |
05/17/1994 | CA1329638C Machine unit having retaining device using static electricity |
05/17/1994 | CA1329637C Electrostatic holding apparatus |
04/12/1994 | US5303117 Electrostatic positioner |
02/17/1994 | WO1994003964A1 Static support system |
01/25/1994 | CA2019941C Electrostatic levitation furnace |
11/09/1993 | US5260849 Electrostatic attracting sheet |
11/02/1993 | US5258047 Holder device and semiconductor producing apparatus having same |
10/19/1993 | US5255153 Electrostatic chuck and plasma apparatus equipped therewith |
07/28/1993 | EP0552877A1 Isolated electrostatic chuck and excitation method |
07/20/1993 | US5229910 Billboard device |
05/25/1993 | US5213349 Electrostatic chuck |
05/12/1993 | EP0541400A2 Anti-stick electrostatic chuck for a low pressure environment |
05/04/1993 | US5207437 Ceramic electrostatic wafer chuck |
04/13/1993 | US5202179 Used in a paper sheet appracting devices of X-Y plotter or copying machine |
03/23/1993 | US5196999 Electrostatic levitation furnace |
03/02/1993 | US5191506 Ceramic electrostatic chuck |
02/16/1993 | US5187399 Levitated micromotor |
01/12/1993 | US5179498 Electrostatic chuck device |
12/22/1992 | US5173834 Electrostatic attraction apparatus |
11/24/1992 | US5166856 Electrostatic chuck with diamond coating |
11/12/1992 | WO1992020093A1 Ceramic electrostatic chuck |
11/11/1992 | EP0512936A1 Temperature cycling ceramic electrostatic chuck |
10/13/1992 | US5155652 Temperature cycling ceramic electrostatic chuck |
09/30/1992 | EP0506537A1 Electrostatic chuck |
08/12/1992 | EP0498752A1 Electrostatic chuck with diamond coating |
05/27/1992 | EP0486966A1 Electrostatic chuck |
05/26/1992 | US5117121 Method of and apparatus for applying voltage to electrostatic chuck |
04/08/1992 | EP0478875A2 Billboard device |
03/31/1992 | US5099571 Method for fabricating a split-ring electrostatic chuck |
03/11/1992 | EP0473930A1 Electrostatic chuck |
03/04/1992 | EP0473178A2 Ink jet recording apparatus and electric field control method therefor |
10/08/1991 | US5055964 Electrostatic chuck having tapered electrodes |
09/18/1991 | EP0446405A1 Electrostatic attracting sheet |
07/31/1991 | EP0439000A1 Electrostatic clamp and method |
05/14/1991 | US5015906 Electrostatic levitation control system for micromechanical devices |
01/22/1991 | US4987332 Robot hand for electrostatically applying thin workpiece to mold |
01/16/1991 | EP0407894A2 Electrostatic levitation furnace |
12/18/1990 | US4978118 Paper sheet transporting method that applies an electrostatic attractive force between a paper sheet and a reinforcing insulating sheet prior to feeding |
12/12/1990 | EP0401489A2 Electrostratic attracting sheet |
12/12/1990 | EP0401451A1 Electrostatic absorption sheet |
12/04/1990 | US4975802 Electrostatic adsorbing apparatus having electrostatic adsorbing plate for adsorbing and laminating a plurality of objects to be adsorbed |
10/31/1990 | EP0395340A2 Method of and apparatus for applying voltage to electrostatic chuck |
10/25/1990 | CA2015383A1 Method of and apparatus for applying voltage to electrostatic chuck |
10/23/1990 | US4965429 For encoding a code strip |
10/17/1990 | EP0392399A2 Method and apparatus for wafer transfer |
10/09/1990 | US4962441 Isolated electrostatic wafer blade clamp |
08/29/1990 | EP0384751A2 Electrostatic locating apparatus |
07/18/1990 | EP0378350A2 Paper sheet transporting method |
09/05/1989 | US4864461 Machine unit having retaining device using static electricity |
08/29/1989 | US4861665 Electrostatic absorption sheet |