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Browse by Category: Main > Tools & Hardware
Class Information
Number: 451/443
Name: Abrading > Accessory > Dressing
Description: Accessory for returning an abrading tool to a predetermined shape or form after or during use.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12

Patent Number Title Of Patent Date Issued
8702474 Method of regenerating a polishing pad using a polishing pad sub plate Apr. 22, 2014
8702477 Polishing pad sub plate Apr. 22, 2014
8678878 System for evaluating and/or improving performance of a CMP pad dresser Mar. 25, 2014
8662963 Chemical mechanical polishing system Mar. 4, 2014
8662961 Polishing pad seasoning method, seasoning plate, and semiconductor polishing device Mar. 4, 2014
8662956 Conditioner of chemical mechanical polishing apparatus Mar. 4, 2014
8657650 Grinding wheel dressing system Feb. 25, 2014
8657652 Optimized CMP conditioner design for next generation oxide/metal CMP Feb. 25, 2014
8655478 Dressing method, method of determining dressing conditions, program for determining dressing conditions, and polishing apparatus Feb. 18, 2014
8647174 Semiconductor wafer polishing method and polishing pad shaping jig Feb. 11, 2014
8641480 Polishing apparatus and polishing method Feb. 4, 2014
8622787 CMP pad dressers with hybridized abrasive surface and related methods Jan. 7, 2014
8597081 Chemical mechanical polishing apparatus having pad conditioning disk and pre-conditioner unit Dec. 3, 2013
8597085 Full profile dressing roll for dressing multi-start cylindrical grinding worms Dec. 3, 2013
8579679 Conditioning method and conditioning apparatus for polishing pad for use in double side polishing device Nov. 12, 2013
8579681 Rotary dressing tool containing brazed diamond layer Nov. 12, 2013
8562392 Polishing apparatus and polishing method Oct. 22, 2013
8557132 Inline monitoring of pad loading for CuCMP and developing an endpoint technique for cleaning Oct. 15, 2013
8550879 Polishing pad conditioner Oct. 8, 2013
8529316 Sharpening apparatus for plane iron crowning Sep. 10, 2013
8527085 Method for operating a gear grinding machine Sep. 3, 2013
8517800 Polishing pad and fabricating method thereof Aug. 27, 2013
8517796 Dressing apparatus, dressing method, and polishing apparatus Aug. 27, 2013
8496511 Cathodically-protected pad conditioner and method of use Jul. 30, 2013
8491358 Thin film brazing of superabrasive tools Jul. 23, 2013
8489222 Machine and method for grinding spacer grid of nuclear fuel assembly Jul. 16, 2013
8480458 Grinding wheel dressing system Jul. 9, 2013
8460064 Method of dressing barrel worm-shaped tool, dressing apparatus, and internal-gear grinding machine Jun. 11, 2013
8414362 Methods of bonding superabrasive particles in an organic matrix Apr. 9, 2013
8412370 Polishing apparatus with dressing position setting means Apr. 2, 2013
8398464 Grinding wheel truing tool and manufacturing method thereof, and truing apparatus, method for manufacturing grinding wheel and wafer edge grinding apparatus using the same Mar. 19, 2013
8398466 CMP pad conditioners with mosaic abrasive segments and associated methods Mar. 19, 2013
8393934 CMP pad dressers with hybridized abrasive surface and related methods Mar. 12, 2013
8393938 CMP pad dressers Mar. 12, 2013
8382557 Chemical mechanical planarization pad conditioner and methods of forming thereof Feb. 26, 2013
8382558 Apparatus for dressing a polishing pad, chemical mechanical polishing apparatus and method Feb. 26, 2013
8366513 Apparatus and method for the prototype and small-batch production of gear wheels Feb. 5, 2013
8348720 Ultra-flat, high throughput wafer lapping process Jan. 8, 2013
8342910 Abrasive tool for use as a chemical mechanical planarization pad conditioner Jan. 1, 2013
8342911 Truing apparatus of grinding wheel Jan. 1, 2013
8317573 Double annular abrasive element dressers Nov. 27, 2012
8298048 CMP pad dresser with oriented particles and associated methods Oct. 30, 2012
8292692 Polishing pad with endpoint window and systems and method using the same Oct. 23, 2012
8286344 Method for fabricating semiconductor device Oct. 16, 2012
8287333 Single type substrate treating apparatus and method Oct. 16, 2012
8277284 Ice skate blade sharpening machines and associated method of dressing a grinding wheel Oct. 2, 2012
8257150 Pad dresser, polishing device, and pad dressing method Sep. 4, 2012
8251775 Mechanism and method for detecting the motion of a shaft Aug. 28, 2012
8251776 Method and apparatus for conditioning a CMP pad Aug. 28, 2012
8231431 Solar panel edge deletion module Jul. 31, 2012

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