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Class Information
Number: 451/8
Name: Abrading > Precision device or process - or with condition responsive control > With indicating
Description: Subject matter combined with using means to show the status or action of the abrader or the workpiece.










Sub-classes under this class:

Class Number Class Name Patents
451/10 And feeding of tool or work holder 507
451/9 Of tool or work holder position 435


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Patent Number Title Of Patent Date Issued
8689430 Method for providing a perpendicular magnetic recording (PMR)head Apr. 8, 2014
8684790 Method and arrangement for maintenance of gas-turbine blades Apr. 1, 2014
8678878 System for evaluating and/or improving performance of a CMP pad dresser Mar. 25, 2014
8678879 Grinding machine and measuring apparatus Mar. 25, 2014
8662957 Leak proof pad for CMP endpoint detection Mar. 4, 2014
8662958 Chemical-mechanical polishing apparatus for manufacturing semiconductor devices Mar. 4, 2014
8657645 Methods for testing the polishability of materials Feb. 25, 2014
8657647 Method of polishing bladed disks for a turbomachine and polishing device Feb. 25, 2014
8622783 Method and system for controlling chemical mechanical polishing by controllably moving a slurry outlet Jan. 7, 2014
8616935 Control of overpolishing of multiple substrates on the same platen in chemical mechanical polishing Dec. 31, 2013
8615317 Process and apparatus for generating control data for controlling a tool on a machine tool comprising at least 5 axes Dec. 24, 2013
8613644 Multi-sander Dec. 24, 2013
8613640 System for magnetorheological finishing of substrates Dec. 24, 2013
8602839 Eyeglass lens processing device Dec. 10, 2013
8597074 Methods and systems for imaging and cutting semiconductor wafers and other semiconductor workpieces Dec. 3, 2013
8597075 Method for detecting and/or preventing grind burn Dec. 3, 2013
8590139 Patterning of and contacting magnetic layers Nov. 26, 2013
8591285 Ultrasonic trimming apparatus Nov. 26, 2013
8585460 Method of making diagram for use in selection of wavelength of light for polishing endpoint detection, method and apparatus for selecting wavelength of light for polishing endpoint detection, Nov. 19, 2013
8585465 Planarization of a material system in a semiconductor device by using a non-selective in situ prepared slurry Nov. 19, 2013
8582122 Polishing monitoring method, polishing method, and polishing monitoring apparatus Nov. 12, 2013
8568198 Active coolant flow control for machining processes Oct. 29, 2013
8568199 Polishing endpoint detection apparatus Oct. 29, 2013
8556680 Process and apparatus for automatically grinding edges of glass sheets under clean room conditions Oct. 15, 2013
8557132 Inline monitoring of pad loading for CuCMP and developing an endpoint technique for cleaning Oct. 15, 2013
8550876 Force-controlled surface finishing through the use of a passive magnetic constant-force device Oct. 8, 2013
8550875 Method of operating substrate processing apparatus and substrate processing apparatus Oct. 8, 2013
8545289 Distance monitoring device Oct. 1, 2013
8535113 Methods to control a process Sep. 17, 2013
8535114 Method for manufacturing a precursor lens for a rim-shaped lens Sep. 17, 2013
8528886 Material sheet handling system and processing methods Sep. 10, 2013
8518827 Spectrum based endpointing for chemical mechanical polishing Aug. 27, 2013
8517797 Grinding machine and grinding method Aug. 27, 2013
8512095 Method for machining that combines fine boring and honing and machining equipment for the execution of the method Aug. 20, 2013
8512094 Ultrasonic trimming method Aug. 20, 2013
8506351 Eyeglass lens processing apparatus Aug. 13, 2013
8506352 Eyeglass lens processing apparatus Aug. 13, 2013
8506353 Method of cutting a corner out of a workpiece Aug. 13, 2013
8506355 System and method for in-situ inspection during metallurgical cross-sectioning Aug. 13, 2013
8485863 Polishing liquids for activating and/or conditioning fixed abrasive polishing pads, and associated systems and methods Jul. 16, 2013
8474128 Planarization methods for patterned media disks Jul. 2, 2013
8460056 Device for machining an ophthalmic lens Jun. 11, 2013
8460057 Computer-implemented process control in chemical mechanical polishing Jun. 11, 2013
8453317 Magnetic write head fabrication with integrated electrical lapping guides Jun. 4, 2013
8454408 Load cup substrate sensing Jun. 4, 2013
8430716 Polishing method and polishing apparatus Apr. 30, 2013
8430717 Dynamic action abrasive lapping workholder Apr. 30, 2013
8414355 Substrate processing apparatus Apr. 9, 2013
8407882 Method for manufacturing thin film magnetic heads Apr. 2, 2013
8398454 Apparatus for testing the polishability of materials Mar. 19, 2013

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