| Patents for B24B 37 - Lapping machines or devices; Accessories (20,836) |
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| 07/31/1990 | CA1272221A1 Aluminum nitride/aluminum oxynitride/group ivb metal nitride abrasive particles derived from a sol-gel process |
| 07/25/1990 | EP0379214A2 Method for lapping two surfaces of a titanium disk |
| 07/20/1990 | CA2008193A1 Method for lapping two surfaces of a titanium disk |
| 07/18/1990 | CN2059391U Grinder for stigma |
| 07/10/1990 | US4940507 Polishing semiconductor wafers |
| 07/04/1990 | EP0375921A1 Automated lapping machine control system |
| 06/26/1990 | US4936875 Rare earth boride abrasive/polishing agents |
| 06/20/1990 | EP0373501A2 Fine polishing composition for wafers |
| 06/19/1990 | US4934102 System for mechanical planarization |
| 05/30/1990 | EP0370843A1 Polishing plate |
| 05/29/1990 | US4929257 Abrasive composition and process for polishing |
| 05/29/1990 | US4928438 Wafer processing film |
| 05/22/1990 | US4927432 Pad material for grinding, lapping and polishing |
| 05/03/1990 | WO1990004801A1 Optical connector device |
| 05/02/1990 | EP0366027A2 Wafer flood polishing |
| 04/25/1990 | EP0364514A1 Device for a twin-disk lapping machine. |
| 04/24/1990 | US4918872 Surface grinding apparatus |
| 04/24/1990 | US4918870 Floating subcarriers for wafer polishing apparatus |
| 04/24/1990 | US4918869 Method for lapping a wafer material and an apparatus therefor |
| 04/17/1990 | US4916868 Honing, lapping or polishing machine |
| 04/11/1990 | EP0363100A2 Selective polishing method |
| 04/11/1990 | EP0362811A2 Polishing apparatus |
| 04/11/1990 | EP0362516A2 System for mechanical planarization |
| 04/10/1990 | US4914868 Lapping control system for magnetic transducers |
| 04/04/1990 | EP0361778A1 Lapping control in the manufacture of magnetic transducers |
| 04/04/1990 | EP0361542A1 Composite articles and process for their production |
| 04/03/1990 | US4912883 Lapping control system for magnetic transducers |
| 03/28/1990 | EP0360305A2 Process for producing particles of a composite material, and their use |
| 03/20/1990 | US4910155 Wafer flood polishing |
| 03/07/1990 | EP0357203A2 Electrical guide for tight tolerance machining |
| 02/20/1990 | US4901477 Apparatus for abrasive machining |
| 02/14/1990 | EP0354775A2 Diamond tool |
| 02/06/1990 | US4897966 Polishing apparatus |
| 01/24/1990 | EP0352004A2 Method and apparatus for endpoint detection in a semiconductor wafer etching system |
| 01/23/1990 | US4894957 Apparatus for abrasive machining of planar surfaces |
| 01/03/1990 | EP0348917A2 Method for repairing a coating surface |
| 01/03/1990 | EP0348757A2 Method for polishing a silicon wafer |
| 12/27/1989 | EP0347718A2 Apparatus for transporting wafer to and from polishing head |
| 12/27/1989 | EP0347462A1 Device for magneto-abrasive machining of external cylindrical surfaces of parts |
| 12/06/1989 | EP0344548A2 Method and apparatus for the control of having and grinding machines |
| 11/28/1989 | US4883502 Abrasive composition and process for polishing |
| 11/28/1989 | CA1263240A1 Coated abrasive suitable for use as a lapping material |
| 11/23/1989 | EP0343032A1 Rare earth-based abrasives |
| 11/07/1989 | US4879258 Integrated circuit planarization by mechanical polishing |
| 11/07/1989 | US4878315 Griding guide and method |
| 10/31/1989 | US4876826 Grinding and polishing apparatus |
| 10/19/1989 | WO1989009679A1 Device for a twin-disk lapping machine |
| 10/18/1989 | EP0337379A2 Chemical polishing process |
| 10/17/1989 | US4873792 Polishing apparatus |
| 09/26/1989 | US4869779 Hydroplane polishing device and method |
| 09/19/1989 | US4867803 Lapping tools and method of manufacturing the same |
| 09/19/1989 | US4866886 Textured lapping plate and process for its manufacture |
| 08/29/1989 | US4860498 Automatic workpiece thickness control for dual lapping machines |
| 08/29/1989 | CA1258772A1 Glass scratch removal apparatus and method |
| 08/24/1989 | WO1989007508A1 Method and cassette for abrasive machining of the surface of parts |
| 08/23/1989 | CN2043157U Inner hole grinder |
| 08/02/1989 | EP0325753A2 Apparatus for monitoring the conductivity of a semiconductor wafer during polishing |
| 08/01/1989 | US4853286 Adhesive layer |
| 07/25/1989 | US4851263 Method and apparatus for application of wax on wafers |
| 07/25/1989 | US4850157 Apparatus for guiding the flow of abrasive slurry over a lapping surface |
| 07/25/1989 | US4850152 Apparatus for lapping and polishing optical surfaces |
| 07/20/1989 | DE3800197A1 Method for surface machining of substrate plates |
| 07/05/1989 | CN2040425U Valve grinder |
| 07/05/1989 | CN2040424U Flowing horizontal centrifugal grinder |
| 06/29/1989 | DE3742953A1 Loading device for multiple workpiece holders |
| 06/27/1989 | US4842837 Process for producing fine spherical silica |
| 06/27/1989 | US4842678 Expanded thermoplastic resin having a cellular structure; mirror surfaces, integrated circuit substrates, disk substrates, optical lens/mirror |
| 06/27/1989 | US4842618 Method of producing magnetic disk |
| 06/27/1989 | US4841680 Inverted cell pad material for grinding, lapping, shaping and polishing |
| 06/13/1989 | US4837923 Surface finishing for magnetic transducers |
| 06/08/1989 | DE3739866A1 Method for grinding and lapping |
| 06/01/1989 | WO1989004731A1 Device for magneto-abrasive machining of external cylindrical surfaces of parts |
| 05/31/1989 | EP0318135A2 Abrading tool and process of manufacturing the same |
| 05/31/1989 | EP0318134A2 Apparatus for machining e.g. lapping, a workpiece |
| 05/24/1989 | EP0316451A1 Device for abrasive machining |
| 05/24/1989 | EP0316381A1 Lapping-machine, especially for fine surface-machining of bearing balls. |
| 05/02/1989 | US4826563 Chemical polishing process and apparatus |
| 04/19/1989 | EP0312510A2 A device for automatically effecting the charging of the workpieces and the discharging of the treated workpieces in plane lapping machines with double plateau |
| 04/18/1989 | US4821461 Abrading tool |
| 03/29/1989 | EP0308519A1 Machine tool for abrasive machining of flat surfaces |
| 03/28/1989 | US4816128 Process for producing substrate member for magnetic recording disc |
| 03/22/1989 | EP0307573A2 Honing, lapping and polishing machine |
| 03/22/1989 | EP0307477A1 Machine tool for abrasive machining |
| 03/16/1989 | EP0235270A4 Grinding guide and method for controlling the automatic grinding of objects. |
| 03/14/1989 | US4811522 Counterbalanced polishing apparatus |
| 03/14/1989 | EP0294478A4 Improved grinding guide and method. |
| 03/14/1989 | EP0235269A4 Automatic grinding machine. |
| 03/01/1989 | EP0304645A2 Inverted cell pad material for grinding, lapping, shaping and polishing |
| 03/01/1989 | EP0304472A1 Biased grinding assembly |
| 03/01/1989 | CN2033321U Grinding/polishing machine |
| 02/21/1989 | USRE32873 Apparatus for grinding and lapping annular sealing faces |
| 02/21/1989 | US4805348 Flat lapping machine |
| 02/08/1989 | CN2032114U Automatic grind polishing apparatus |
| 02/07/1989 | US4802309 Method and apparatus for lapping and polishing optical surfaces |
| 01/24/1989 | EP0245289A4 Polishing system with underwater bernoulli pickup. |
| 12/28/1988 | EP0296599A2 Surface cleaner/polish compositions and a process for the preparation thereof |
| 12/27/1988 | US4793895 Electrodes coupled to lapping machine; polishing |
| 12/14/1988 | EP0294478A1 Improved grinding guide and method. |
| 11/29/1988 | US4788167 Aluminum nitride/aluminum oxynitride/group IVB metal nitride abrasive particles derived from a sol-gel process |
| 11/22/1988 | US4785587 Novel lap for the polishing of gem stones |