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Class Information
Number: 451/41
Name: Abrading > Abrading process > Glass or stone abrading
Description: Method of grinding glass or natural or artificial stone.

Sub-classes under this class:

Class Number Class Name Patents
451/44 Edging 317
451/42 Lens 387

Patents under this class:

Patent Number Title Of Patent Date Issued
8712575 Hydrostatic pad pressure modulation in a simultaneous double side wafer grinder Apr. 29, 2014
8702473 Rock polishing systems and methods Apr. 22, 2014
8702472 Polishing composition and polishing method using the same Apr. 22, 2014
8701646 System and method for cutting ceramic ware Apr. 22, 2014
8690636 Compound semiconductor substrate production method Apr. 8, 2014
8689430 Method for providing a perpendicular magnetic recording (PMR)head Apr. 8, 2014
8684795 Eyeglass lens processing apparatus Apr. 1, 2014
8684794 Chemical mechanical planarization pad with void network Apr. 1, 2014
8684793 Oxidizing particles based slurry for nobel metal including ruthenium chemical mechanical planarization Apr. 1, 2014
8684791 Linear, automated apparatus and method for clean, high purity, simultaneous lapping and polishing of optics, semiconductors and optoelectronic materials Apr. 1, 2014
8668553 Method of manufacturing semiconductor device Mar. 11, 2014
8662957 Leak proof pad for CMP endpoint detection Mar. 4, 2014
8657646 Endpoint detection using spectrum feature trajectories Feb. 25, 2014
8651919 Adhesive sheet and process for manufacturing electronic part Feb. 18, 2014
8647174 Semiconductor wafer polishing method and polishing pad shaping jig Feb. 11, 2014
8647173 Method for polishing a semiconductor wafer Feb. 11, 2014
8646168 Method for manufacturing a magnetic write pole of a perpendicular magnetic write head using novel mask fabrication Feb. 11, 2014
8641478 Methods and systems for marring fiber optic substrates Feb. 4, 2014
8636559 Method for wafer back-grinding control Jan. 28, 2014
8628378 Method for holding and polishing a substrate Jan. 14, 2014
8628376 In-line wafer thickness sensing Jan. 14, 2014
8616936 Abrasive, method of polishing target member and process for producing semiconductor device Dec. 31, 2013
8616191 Wire saw and method for producing a wire saw Dec. 31, 2013
8615868 Method for manufacturing a magnetic sensor using two step ion milling Dec. 31, 2013
8603350 Method of manufacturing substrate for information storage media Dec. 10, 2013
8602848 Method and system for polishing float glass Dec. 10, 2013
8597078 Method for creating a complex surface on a substrate of glass Dec. 3, 2013
8597074 Methods and systems for imaging and cutting semiconductor wafers and other semiconductor workpieces Dec. 3, 2013
8591289 Multi-spindle chemical mechanical planarization tool Nov. 26, 2013
8591286 Apparatus and method for temperature control during polishing Nov. 26, 2013
8585465 Planarization of a material system in a semiconductor device by using a non-selective in situ prepared slurry Nov. 19, 2013
8585463 Process for producing glass substrate for information recording medium Nov. 19, 2013
8585462 Precision sharpener for ceramic knife blades Nov. 19, 2013
8579678 Grinding method for workpiece having a plurality of bumps Nov. 12, 2013
8574330 Chemical mechanical polishing aqueous dispersion and chemical mechanical polishing method for semiconductor device Nov. 5, 2013
8568202 Stone article with patterned trim Oct. 29, 2013
8562390 Double-disc grinding apparatus and method for producing wafer Oct. 22, 2013
8556682 Commercial packaging of disposable cleaver Oct. 15, 2013
8555486 Method for providing a pole in a magnetic recording transducer using a cathodic etch Oct. 15, 2013
8550878 Method of manufacture of constant groove depth pads Oct. 8, 2013
8545290 Wafer polishing apparatus and method Oct. 1, 2013
8540550 Glass substrate polishing method, package manufacturing method, piezoelectric vibrator, oscillator, electronic device and radio timepiece Sep. 24, 2013
8535119 Chemical mechanical polishing pad and methods of making and using same Sep. 17, 2013
8535118 Multi-spindle chemical mechanical planarization tool Sep. 17, 2013
8535117 Method and apparatus for polishing a substrate having a grinded back surface Sep. 17, 2013
8535115 Gathering spectra from multiple optical heads Sep. 17, 2013
8533937 Method of forming a fully wrapped-around shielded PMR writer pole Sep. 17, 2013
8529315 Method for producing a semiconductor wafer Sep. 10, 2013
8529314 Method of transporting work and apparatus with work handover mechanism Sep. 10, 2013
8523636 Working object grinding method Sep. 3, 2013

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