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