Patents for B24B 37 - Lapping machines or devices; Accessories (20,836) |
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06/23/1993 | EP0547894A1 An automatic wafer lapping apparatus |
06/23/1993 | EP0547684A2 Method of manufacturing a semiconductor body comprising a carrier wafer and a monocrystalline semiconducting top layer |
06/08/1993 | US5216843 Polishing pad conditioning apparatus for wafer planarization process |
06/01/1993 | US5214884 Ball polishing apparatus and method for the same |
05/26/1993 | EP0294478B1 Improved grinding guide and method |
05/25/1993 | US5213655 Device and method for detecting an end point in polishing operation |
05/25/1993 | US5212910 Composite polishing pad for semiconductor process |
05/19/1993 | CN2133408Y High-speed grinder |
05/05/1993 | EP0539896A1 Method of chucking semiconductor wafers |
05/04/1993 | US5207759 Texturing slurry and method |
04/28/1993 | EP0539194A1 Method and apparatus for ceramic ferrule bore lap processing |
04/27/1993 | US5205082 Wafer polisher head having floating retainer ring |
04/21/1993 | EP0537627A2 Semiconductor wafer planarization |
04/20/1993 | US5203119 Automated system for lapping air bearing surface of magnetic heads |
03/31/1993 | EP0534108A1 Method for one-sided surface making of workpieces |
03/31/1993 | EP0534071A1 Processing of magnetic head flexures with slider elements |
03/30/1993 | US5197999 Dielectrics on wafers for semiconductors, stiffening |
03/30/1993 | US5197230 Finish-machining machine |
03/16/1993 | US5193316 Semiconductor wafer polishing using a hydrostatic medium |
03/09/1993 | US5191738 Method of polishing semiconductor wafer |
03/02/1993 | US5190567 Sintered aluminous abrasive grains and method of producing the same |
02/23/1993 | US5187901 Circumferential pattern finishing machine |
02/04/1993 | WO1993001914A1 Superpolishing agent, process for polishing hard materials, and polished hard materials |
02/03/1993 | EP0526262A1 Method for polishing microelectronic components |
01/26/1993 | US5181346 Thru-feed lapping apparatus |
01/12/1993 | US5177908 Polishing pad |
01/07/1993 | EP0521102A1 Apparatus for interlayer planarization of semiconductor material. |
12/30/1992 | CN2126139U Lapping machine |
12/29/1992 | US5174067 Automatic wafer lapping apparatus |
12/09/1992 | EP0517596A1 Polishing machine with an improved workpiece holder |
12/09/1992 | EP0517595A1 Polishing machine with pressure control |
12/09/1992 | EP0517594A1 Polishing machine with a tensioned finishing belt and an improved work supporting head |
12/09/1992 | EP0517033A1 Cleaning device for wafer mount plate |
12/09/1992 | CN2124104U Vibration lapping machine |
12/08/1992 | US5168659 Apparatus for finely working piston rings |
12/08/1992 | CA1311272C Electrical guide for tight tolerance machining |
12/01/1992 | US5167667 Process for treating polishing cloths used for semiconductor wafers |
12/01/1992 | US5167096 Method for texturing a magnetic disc substrate |
11/25/1992 | CN2122707U Hand-operated valve lapping machine |
11/10/1992 | US5163109 Optical connector assembly |
11/03/1992 | US5159787 Method for lapping two surfaces of a titanium disk |
11/03/1992 | CA1309594C Superfinishing machine using lapping film |
10/27/1992 | US5157877 Method for preparing a semiconductor wafer |
10/27/1992 | US5157876 Stress-free chemo-mechanical polishing agent for II-VI compound semiconductor single crystals and method of polishing |
10/22/1992 | DE4101353A1 Lapping machine with two lapping discs - has adjustment for eccentricity of lapping discs with respect to machine axis |
10/13/1992 | US5154023 Polishing process for refractory materials |
10/13/1992 | US5154021 Pneumatic pad conditioner |
09/30/1992 | EP0505425A1 Methods of preparation of surfaces and applications thereof |
09/29/1992 | US5151584 Method and apparatus for endpoint detection in a semiconductor wafer etching system |
09/23/1992 | EP0504887A2 Automated system for lapping magnetic heads |
09/23/1992 | CN1064639A Grinding device for spiral tray |
09/22/1992 | US5149338 Superpolishing agent, process for polishing hard ceramic materials, and polished hard ceramics |
09/22/1992 | US5148945 Apparatus and method for the transfer and delivery of high purity chemicals |
09/01/1992 | US5142828 Correcting a defective metallization layer on an electronic component by polishing |
08/25/1992 | US5141527 Ceramic sintered body and method of producing it |
08/25/1992 | US5140774 Apparatus for polishing hard disk substrates |
08/19/1992 | EP0499084A1 Wafer mount plate |
08/11/1992 | US5137544 Stress-free chemo-mechanical polishing agent for II-VI compound semiconductor single crystals and method of polishing |
08/11/1992 | US5137540 Composite monolithic lamp and a method of making the same |
08/11/1992 | US5136819 Method for mirror polishing of ti-made magnetic disk substrate |
08/11/1992 | US5136818 Using slurry of cerium oxide, water, glycerin and optionally sodium hydroxide; measuring transmission loss |
08/11/1992 | US5136817 Automatic lapping apparatus for piezoelectric materials |
08/06/1992 | WO1992010441A3 Composite monolithic lap and a method of making the same |
07/21/1992 | US5132617 Method of measuring changes in impedance of a variable impedance load by disposing an impedance connected coil within the air gap of a magnetic core |
07/21/1992 | US5131190 Lapping machine and non-constant pitch grooved bed therefor |
07/07/1992 | US5128281 Method for polishing semiconductor wafer edges |
07/07/1992 | US5127196 Apparatus for planarizing a dielectric formed over a semiconductor substrate |
07/01/1992 | EP0493117A2 A method and an apparatus for handling wafers |
07/01/1992 | EP0474768A4 Ultra-precision lapping apparatus |
06/25/1992 | WO1992010441A2 Composite monolithic lap and a method of making the same |
06/23/1992 | US5123933 Applying lapping tape having abrasive particles of diamond and aluminium oxide or silicon carbide; minimization or surface roughness |
06/23/1992 | US5123218 Circumferential pattern finishing method |
06/23/1992 | US5123214 Method of grinding a plate-like material and apparatus for carrying out the method |
06/03/1992 | EP0488267A2 Wafer binding method and apparatus |
05/27/1992 | EP0245289B1 Polishing system with underwater bernoulli pickup |
05/20/1992 | CN2104730U Finishing machine for general-purpose valve |
05/19/1992 | US5113622 Apparatus for grinding semiconductor wafer |
05/19/1992 | CA1300890C Grinding guide and method |
05/19/1992 | CA1300889C Biased grinding assembly |
05/13/1992 | EP0485161A1 Stripping compositions and method of stripping resists from substrates |
05/05/1992 | US5110428 Differently polarizing front and rear surfaces |
05/05/1992 | US5109631 Finish-machining machine comprising means for feeding an abrasive slurry at a controlled rate |
05/05/1992 | CA1299873C Grinding guide and method for controlling the automatic grinding of objects |
04/22/1992 | EP0481936A2 Method of and apparatus for continuously controlling the pressure applied on workpieces in a double-plate lapping machine |
04/22/1992 | EP0481935A2 Method and apparatus for the post-process check of the workpieces in a double-plate lapping machine |
04/22/1992 | EP0481826A1 An automatic wafer lapping apparatus |
04/22/1992 | CN2102177U Moving type large flange sealing face abrasive machine |
04/21/1992 | US5106394 Water, cerium oxide, water soluble liquid having index of refraction greater than that of the core |
04/16/1992 | DE4130316A1 Mechano-chemical polishing abrasive - comprises colloidal silica paste and mechanical abrasive for high speed polishing of hard substrate, e.g. ceramics or glass |
04/15/1992 | EP0480678A2 Lapping abrasive of aluminazirconia system and method for producing the same |
04/14/1992 | US5104828 Method of planarizing a dielectric formed over a semiconductor substrate |
04/10/1992 | CA2052948A1 Lapping abrasive of alumina-zirconia system and method for producing the same |
04/10/1992 | CA2039998A1 Mechanochemical polishing abrasive |
04/08/1992 | EP0478912A2 Working disc for lapping, honing and polishing machine |
04/07/1992 | US5101602 Foam backing for use with semiconductor wafers |
04/02/1992 | WO1992005406A1 Improved apparatus and method for the transfer and delivery of high purity chemicals |
04/01/1992 | CN2100278U Lapping machine |
03/31/1992 | US5099614 Flat lapping machine with sizing mechanism |
03/31/1992 | CA1298087C Automatic grinding machine |
03/25/1992 | EP0316381B1 Lapping-machine, especially for fine surface-machining of bearing balls |