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)
11/1988
11/17/1988WO1988008771A1 Lapping-machine, especially for fine surface-machining of bearing balls
11/17/1988EP0291100A2 Polishing cloth
11/16/1988CN87103214A Abrasive pump
11/03/1988WO1988008357A1 Method of faceting gemstones
11/01/1988US4780991 Mask and pressure block for ultra thin work pieces
10/1988
10/11/1988CA1242901A1 Variable orbital drive mechanism and method
09/1988
09/28/1988EP0284343A2 Polishing apparatus
09/27/1988US4773185 Surface abrading machine
09/22/1988WO1988006952A1 Biased grinding assembly
09/22/1988WO1988006951A1 Machine tool for abrasive machining of flat surfaces
09/22/1988WO1988006950A1 Device for abrasive machining
09/22/1988WO1988006949A1 Machine tool for abrasive machining
09/20/1988US4771578 Apparatus for the grinding or polishing of workpieces
09/15/1988DE3707384A1 Grinding and polishing device
09/06/1988US4769073 Rapid and efficient polishing of organic glass surfaces; plastic ophthalmic lenses; plastic sheets
08/1988
08/30/1988US4767495 Method for detecting time for termination of surface layer removal processing
08/24/1988CN87207472U Lapper for outside micrometer
08/17/1988EP0278142A1 Process for the manufacture of thin film magnetic transducers
08/09/1988US4762534 Method of producing magnetic disk
07/1988
07/14/1988WO1988004977A1 Improved grinding guide and method
07/13/1988CN87202350U Hand-operated flat-plate compressed sand grinder
07/06/1988EP0273569A2 Method of preparing aluminum oxide/aluminum oxynitride/group IVB metal nitride abrasive particles derived by a sol-gel process.
06/1988
06/29/1988EP0272362A2 Method and apparatus for lapping or polishing optical surfaces
06/28/1988US4753049 Method and apparatus for grinding the surface of a semiconductor
06/21/1988US4752628 Concentrated lapping slurries
06/15/1988EP0271237A1 Aluminum nitride/aluminum oxynitride/group IV B metal nitride abrasive particles derived from a sol-gel process
06/07/1988US4748775 Work holding device in work grinding and polishing machine
06/07/1988US4748773 Biased grinding assembly
05/1988
05/24/1988US4745676 Method for manufacturing a magnet head
05/10/1988US4742651 Control device for the processing pressure on lapping, honing and polishing machines
05/04/1988EP0266233A1 Process for polishing organical glass with a polishing composition based on cerium
05/04/1988CN87213043U Agate piercing machine with signal displaying unit
04/1988
04/27/1988EP0264957A2 Method and apparatus for application of wax on wafers
04/27/1988EP0264572A1 Polishing apparatus
04/26/1988US4739589 Process and apparatus for abrasive machining of a wafer-like workpiece
04/19/1988US4738056 Method and blasting apparatus for preparation of silicon wafer
04/12/1988US4736625 Method and apparatus for monitoring the cutting condition of a machine tool during machining of a workpiece
04/07/1988DE3729956A1 Schleif- und poliermitteltraeger mit befestigung am werkzeug Grinding and poliermitteltraeger with fastening at the tool
04/05/1988US4734964 Apparatus for refurbishing acoustic members
03/1988
03/16/1988CN87206787U Motor-driven grinder for air valve
03/01/1988US4728552 Polishing semiconductors
01/1988
01/26/1988US4720938 Dressing fixture
01/06/1988CN87102270A Base substance for grinding, finishing and lapping
12/1987
12/15/1987US4712470 Method and apparatus for compensating the variable weight of a mass acting on a hydraulic drive, in particular for the upright drive cylinder of a lapping machine
12/01/1987US4709513 Glass scratch removal method
11/1987
11/25/1987EP0246448A2 Apparatus for the grinding or polishing of workpieces
11/24/1987US4707948 Float lapping fixture
11/24/1987US4707945 Upper plate driving system for surface lapping machine
11/24/1987US4707893 Fabric fastener
11/19/1987EP0245289A1 Polishing system with underwater bernoulli pickup.
11/19/1987DE3704722A1 Apparatus for the lapping of pinion journals and axle journals
11/10/1987US4705566 Polishing composition for memory hard disc
10/1987
10/14/1987EP0241433A2 A two-plate lapping machine with comparator for continuously measuring the workpiece tichness
10/14/1987CN87202984U Grinding unit for l-stand
09/1987
09/30/1987EP0239040A1 Pad material for grinding, lapping and polishing
09/29/1987US4696697 Polishing composition
09/15/1987US4693036 Semiconductor wafer surface grinding apparatus
09/09/1987EP0235270A1 Grinding guide and method for controlling the automatic grinding of objects
09/09/1987EP0235269A1 Automatic grinding machine
08/1987
08/11/1987US4685937 Composite abrasive particles for magnetic abrasive polishing and process for preparing the same
07/1987
07/30/1987DE3644854A1 Workpiece holder
07/21/1987US4680893 Apparatus for polishing semiconductor wafers
07/14/1987US4679359 Method for preparation of silicon wafer
07/07/1987US4678119 Abrasive slurry supply system for use in metallographic sample preparation
07/01/1987EP0227394A2 Coated abrasive suitable for use as a lapping material
07/01/1987EP0226898A2 Composite powder, composite bodies and process for their production
06/1987
06/23/1987US4674236 Polishing machine and method of attaching emery cloth to the polishing machine
06/02/1987US4670732 Electrical lapping guide resistor
05/1987
05/26/1987US4667446 Work holding device in work grinding and polishing machine
05/19/1987US4665658 Double face abrading machine and device for transmitting current and fluid between a rotary structure and a non-rotary structure
05/19/1987CA1221840A1 Precision lapping system
05/07/1987WO1987002608A1 Polishing system with underwater bernoulli pickup
04/1987
04/28/1987US4660330 Bevel tool
04/28/1987US4660326 Apparatus for hydromechanical cleaning and polishing
04/21/1987CA1220634A1 Aqueous silica compositions for polishing silicon wafers
04/14/1987US4656788 Variable orbital drive mechanism
04/01/1987EP0216054A2 Apparatus for polishing semiconductor wafers
03/1987
03/31/1987US4653231 Polishing system with underwater Bernoulli pickup
03/12/1987WO1987001323A1 Grinding guide and method for controlling the automatic grinding of objects
03/12/1987WO1987001322A1 Automatic grinding machine
03/10/1987US4648212 Automatic grinding machine
03/10/1987US4648211 Grinding guide and method for controlling the automatic grinding of objects
01/1987
01/28/1987EP0210001A1 Process for polishing non-electrolysis nickel plate, alumite or aluminium surface of a memory hard disc
01/28/1987EP0209764A2 Method and apparatus for preparing thin slices of samples containing hard components for transmission microscopy
01/14/1987EP0208315A1 Method for simultaneously machining both sides of disc-shaped work pieces, especially semiconductor wafers
12/1986
12/17/1986EP0205054A2 Pressure control means for lapping, honing and polishing machines
12/10/1986EP0204408A2 Polishing composition
12/09/1986US4627195 Computer controller optical surfacing (CCOS) lap pressure control system
12/02/1986US4625460 Fixture for use in non-encapsulated cross-sectioning of a composite structure
11/1986
11/26/1986CN85201870U Electromagetic micrometer grinder
11/18/1986US4622780 For maintaining a rotating tool in a desired orientation
11/11/1986US4621458 Flat disk polishing apparatus
10/1986
10/29/1986EP0198997A2 Device for flat and parallel lapping of strips of foil made from amorphous soft magnetic metal
10/15/1986EP0197214A2 Carrier assembly for two-sided polishing operation
09/1986
09/23/1986US4612733 Very high speed lap with positive lift effect
09/03/1986EP0193044A1 Magnetic head and method for manufacturing the same
08/1986
08/26/1986US4608293 Composite substrate for a thin-film magnetic head
08/26/1986US4607458 Very high speed lap with negative lift effect
08/20/1986EP0191563A2 Glass scratch removal apparatus and method
08/05/1986US4603509 Magnetic attraction system grinding method
1 ... 197 198 199 200 201 202 203 204 205 206 207 208 209