Patents
Sitemap › B24 - Grinding; Polishing › B24B - Machines, devices, or processes for grinding or polishing; Dressing or conditioning of abrading surfaces; Feeding of grinding, polishing, or lapping agents › B24B 37 - Lapping machines or devices; Accessories
Patents for B24B 37 - Lapping machines or devices; Accessories (20,836)
07/1986
07/30/1986EP0188756A2 Method for polishing detector material
07/15/1986US4600469 Cadmium mercury telluride
07/15/1986US4599827 Metallographic preparation of particulate filled aluminum metal matrix composite material
07/02/1986EP0185767A1 Film for machining wafers
07/02/1986CN85105523A Carrier assembly for two-sided polishing operation
07/01/1986US4597228 Vacuum suction device
06/1986
06/10/1986US4593496 Cassette for loading discs in a grinding/polishing apparatus
06/10/1986US4593495 Polishing machine
05/1986
05/13/1986US4588473 Semiconductor wafer process
05/13/1986US4588421 Aqueous silica compositions for polishing silicon wafers
04/1986
04/16/1986EP0178265A2 Improvements in lapping machines
04/16/1986EP0178072A1 Variable orbital drive mechanism
04/01/1986US4579313 Sample mounting system
12/1985
12/31/1985US4561215 Stylus lapping control
12/19/1985WO1985005734A1 Film for machining wafers
10/1985
10/29/1985US4549373 Apparatus for grinding and lapping annular sealing faces
10/08/1985US4545153 Force sensor for controlling polishing pad pressure
10/02/1985EP0156746A1 Working heads of polishing machines and the like
08/1985
08/27/1985US4536992 Precision lapping system
07/1985
07/31/1985EP0150074A2 Method and apparatus for grinding the surface of a semiconductor wafer
07/09/1985US4527358 Removable polishing pad assembly
07/03/1985EP0147094A2 Vacuum suction device
06/1985
06/26/1985EP0146223A2 Metal polishing composition and process
05/1985
05/29/1985EP0143049A2 Method for lapping conical surfaces, and lapping device for carrying out this method
05/28/1985US4519168 Liquid waxless fixturing of microsize wafers
04/1985
04/30/1985US4514192 Silicon oxide lapping coatings
04/30/1985US4513894 Abrasive slurry supply system for use in metallographic sample preparation
04/24/1985EP0138254A1 Electrostatic chuck and loading method
04/23/1985US4512113 Workpiece holder for polishing operation
04/23/1985US4512107 Automated polisher for cylindrical surfaces
03/1985
03/05/1985US4502252 Lapping machine
12/1984
12/25/1984US4489521 Apparatus for abrading workpieces, particularly semiconductor wafers
11/1984
11/27/1984US4484418 Rotary disk containing abrasive material in frozen liquid matrix
11/13/1984US4481741 Polishing machines incorporating rotating plate
11/06/1984US4480410 Precision center lapping apparatus and method
10/1984
10/17/1984EP0121707A2 Method for polishing amorphous aluminum oxide
10/17/1984EP0121706A2 Method for polishing titanium carbide containing surfaces
10/09/1984US4475981 Metal polishing composition and process
10/09/1984US4475315 Inductor for magnetic abrasive polishing
09/1984
09/26/1984EP0119304A1 Device for grinding and lapping annular sealing surfaces
09/18/1984US4471579 Lapping or polishing machine
09/12/1984EP0118126A2 Magnetic attraction system grinding method
08/1984
08/21/1984US4466852 Method and apparatus for demounting wafers
08/21/1984US4466218 Hard particles treated in silicon surfactant and polyurethane binder
08/07/1984US4463927 Apparatus for sectioning demountable semiconductor samples
07/1984
07/31/1984US4462188 Silica sol compositions for polishing silicon wafers
07/17/1984US4459785 Chuck for vertically hung specimen holder
07/17/1984US4459781 A material sample surface
05/1984
05/29/1984US4451269 Polishing composition for centrifugal magnetic-abrasive machines
05/29/1984US4450652 Method of controlling the thermal bow distortion of a cooled turntable
03/1984
03/06/1984US4435247 Method for polishing titanium carbide
02/1984
02/28/1984US4433510 Method for controlling thickness of wafer-like work pieces under lapping and a lapping machine therefor
01/1984
01/10/1984US4424648 Lapping tools
08/1983
08/03/1983EP0084838A2 Polishing agent for the magneto-centrifugal sharpening process
07/1983
07/19/1983US4393628 Fixed abrasive polishing method and apparatus
06/1983
06/15/1983EP0081394A1 Float lapping fixture
02/1983
02/15/1983US4373991 High pressure injection of liquid between wafer and holder to allow free floating rotation; flatness; photolithography
02/01/1983US4370835 Working pressure control mechanism
11/1982
11/23/1982US4359840 Automatic grinding apparatus to control uniform specimen thicknesses
11/10/1982EP0064136A2 Magnetic disk substrate polishing method and polishing pad therefor
11/09/1982US4358295 Polishing method
09/1982
09/16/1982WO1982003040A1 Parallel stabilizer for plane lapping and polishing machines and rotary carrier system for duplex head plane grinding machine,double plane fine gliding machine,double lapping machine and polishing machine
09/15/1982EP0020502B1 Method and apparatus for grinding piston rings
08/1982
08/10/1982US4343112 Apparatus for grinding metallographic specimens
04/1982
04/27/1982CA1122413A1 Apparatus for finishing workpieces on surface-lapping machines
03/1982
03/30/1982US4321772 Levelable lapping machine
03/17/1982EP0047720A2 Method and apparatus for polishing a sample of a solid
03/16/1982US4319432 Polishing fixture
02/1982
02/23/1982US4316757 Vacuum
02/16/1982US4315383 Inner gear drive for abrading machines
02/02/1982US4313284 Apparatus for improving flatness of polished wafers
01/1982
01/26/1982CA1116863A1 Method and apparatus for grinding piston rings
12/1981
12/23/1981EP0042286A2 Lapping emulsion compound and method
12/01/1981US4302909 Stressed internal face lapping tool
11/1981
11/18/1981EP0040137A1 Finishing machine for hard materials, especially quartz
09/1981
09/02/1981EP0034659A1 Control device for the machining load on lapping, honing and grinding machines
08/1981
08/11/1981US4283242 Process for cementing semiconductor discs onto a carrier plate
08/11/1981CA1106611A1 Process and apparatus for free polishing
06/1981
06/30/1981US4275530 Grinding heads for grinding machines
06/16/1981US4272924 Method of ultrasonic control for lapping and an apparatus therefor
06/02/1981US4270316 Process for evening out the amount of material removed from discs in polishing
06/02/1981US4270314 Bearing mount for lapping machine pressure plate
03/1981
03/31/1981US4258508 Free hold down of wafers for material removal
03/17/1981US4256535 Method of polishing a semiconductor wafer
03/17/1981CA1097509A1 Lapping composition
02/1981
02/04/1981EP0020502A4 Method and apparatus for grinding piston rings.
02/03/1981CA1094811A1 Apparatus for treatment of sheet material with the use of ferromagnetic powder
01/1981
01/13/1981US4244775 Process for the chemical etch polishing of semiconductors
01/07/1981EP0020502A1 Method and apparatus for grinding piston rings.
12/1980
12/16/1980US4239567 Removably holding planar articles for polishing operations
09/1980
09/23/1980US4223485 Lapping tools
07/1980
07/09/1980EP0012799A1 Lapping device for annular workpieces
07/01/1980US4209949 Method and apparatus for high precision lapping machines
06/1980
06/24/1980US4208842 Dual surface lapping machine
06/03/1980US4205489 Apparatus for finishing workpieces on surface-lapping machines
05/1980
05/01/1980WO1980000810A1 Rotary carrier system for double-head plane grinding machine and carrier system for double-side lapping and fine grinding machine
04/1980
04/29/1980US4199902 Apparatus for automatic lapping control
04/17/1980WO1980000671A1 Method and apparatus for grinding piston rings
04/15/1980US4197676 Apparatus for automatic lapping control
04/01/1980CA1074575A1 Abrasive polishing suspensions and method for making same
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