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...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Application No. | Application Title | Issue Date |
| 20130062218 | METHOD FOR PRODUCING AN ARBITRARY GEOMETRY ON PISTONS OF INTERNAL COMBUSTION ENGINES A method for processing a constructed, liquid-cooled piston of an internal combustion engine, the piston including an upper piston part and a lower piston part, which are supported by a joining plane and are connected to each other in a bonded manner. An electrochemical... | 03/14/2013 |
| 20120006691 | METHOD, APPARATUS AND SYSTEM FOR FLEXIBLE ELECTROCHEMICAL PROCESSING Conventional electrochemical machining process requires fixed shaped tool cathodes, which makes retooling time consuming and expensive. Flexible tool cathodes include elastically deformable cathodes that can deform in two or three dimensions and can adapt to the contour... | 01/12/2012 |
| 20110290663 | SYSTEM AND METHOD FOR METAL CUTTING According to various embodiment, a system includes an electrolytic cutting tool. The electrolytic cutting tool includes a first cathode configured to be positioned at a first gap away from a first side of a workpiece, a second cathode configured to be positioned at a se... | 12/01/2011 |
| 20110174634 | MACHINE AND METHOD FOR MACHINING A PART BY MICRO-ELECTRICAL DISCHARGE MACHINING The invention relates to a machine for machining a part by micro-electrical discharge machining, said machine comprising a mechanism (44, 45, 46, 48) for modifying the configuration of the machine so as to alternatively and reversibly switch from a machining conf... | 07/21/2011 |
| 20110073464 | SYSTEMS AND APPARATUS RELATING TO ELECTROCHEMICAL MACHINING A tooling piece in an electrochemical machining device that includes: an outer cathode surface, the outer cathode surface having a first side and, opposite of the first side, a second side; a plurality of spacer pads disposed on the first side of the outer cathode surfa... | 03/31/2011 |
| 20110070096 | CURVED ELECTRODE AND ELECTROCHEMICAL MACHINING METHOD AND ASSEMBLY EMPLOYING THE SAME An electrode for an electrochemical machining process is provided. The electrode comprises a curved, electrically conductive member, and an insulating coating covering at least a portion of a side surface of the curved, electrically conductive member. An electrochemical... | 03/24/2011 |
| 20100326820 | ELECTROPOLISHING APPARATUS An electropolishing apparatus comprises a direct current electrical power supply and reservoirs of electrolyte and coolant, a lead which carries current to a cathode block and pumps which pump the electrolyte and coolant from their respective reservoirs through tubes to... | 12/30/2010 |
| 20100078333 | ELECTROEROSION MACHINING SYSTEM AND METHOD FOR ELECTRODE WEAR COMPENSATION An electroerosion machining system comprises an electrode, a power supply, an electrolyte supply, an electroerosion controller connected to and monitoring the power supply, and a working apparatus configured to move the electrode relative to the workpiece. The electroer... | 04/01/2010 |
| 20090186558 | GRINDING METHOD, GRINDING DEVICE AND ELECTRODE THEREFOR A grinding device including a multi-wheel grindstone and an electrode arranged opposite to a grinding action surface of the multi-wheel grindstone with an interval, in which a work is ground and machined while the grinding action surface of the multi-wheel grindstone is... | 07/23/2009 |
| 20090127131 | Scale Making Method Apparatus and method for making a metrological scale by electrochemical machining of a scale substrate using a tool having at least one feature. The method has the steps of passing an electrolyte solution between the tool and the scale substrate and forming an electrica... | 05/21/2009 |
| 20090016810 | LINEAR GUIDE A linear guide, in particular for a device for electrochemical metal machining, that guides a linear movement of a quill that is moved periodically in a machine frame in order to periodically modify a working gap between a cathode situated on the quill and a workpiece i... | 01/15/2009 |
| 20080227369 | Apparatus and Method for Confined Area Planarization A proximity head and associated method of use is provided for performing confined area planarization of a semiconductor wafer. The proximity head includes a chamber defined to maintain an electrolyte solution. A cathode is disposed within the chamber in exposure to the ... | 09/18/2008 |
| 20080087540 | Method and Device for Obtaining a Determined Flow Resistance of a Flow Channel by Means of a Measuring Bridge The invention relates to a method and device for obtaining a determined flow resistance of a flow channel, especially an opening in a component. The method involves the following steps: a liquid flows through the flow channel; a characteristic depending on the flow resi... | 04/17/2008 |
| 20070246372 | Electrochemical Machining Tool and Method for Machining a Product Using the Same An electrochemical machining tool (1) for electrochemical machining includes an electrode body (11). The electrochemical machining tool (1) and associated method can conduct simultaneous electrochemical machining of at least two of a radial dynamic ... | 10/25/2007 |
| 20070215458 | Electrode for electrochemical machining An electrode containing a dielectric layer on a surface of the electrode and an active zone containing a metal embedded below the surface of the electrode, wherein the electrode is configured to form a groove pattern on a workpiece by an electrochemical machining proces... | 09/20/2007 |
| 20060201823 | Method and system of electrochemical machining An electrochemical machining (ECM) system for machining a workpiece includes a plurality of ECM stations. A first ECM station machines a first region of the workpiece. A second ECM station machines a second region of the workpiece separate from the first region. Additio... | 09/14/2006 |
| 20060196778 | Tungsten electroprocessing Methods for polishing tungsten are provided. During ECMP, increasing the voltage to the pad is not always enough to increase the polishing rate. When polishing tungsten, simply increasing the applied voltage will, in some cases, actually decrease the removal rate. By in... | 09/07/2006 |
| 20060081460 | METHOD AND APPARATUS FOR ELECTROCHEMICAL PLANARIZATION OF A WORKPIECE An electrochemical planarization apparatus for planarizing a metallized surface on a workpiece includes a polishing pad and a platen. The platen is formed of conductive material, is disposed proximate to the polishing pad and is configured to have a negative charge duri... | 04/20/2006 |
| 20060070872 | Pad design for electrochemical mechanical polishing A method and apparatus for processing a substrate by electrochemical mechanical planarization and electrochemical mechanical plating is disclosed. Included are various embodiments of a processing pad article comprising an open cell foam subpad that is adapted to retain ... | 04/06/2006 |
| 20050241955 | Substrate processing apparatus and substrate processing method A substrate processing apparatus and a substrate processing method can appropriately control the charge of a substrate depending on the type of wet processing, thereby reducing defective processing due to static electricity on the surface of the substrate. The substrate... | 11/03/2005 |
| 20050224358 | Method for improved local planarity control during electropolishing A metal layer formed on a semiconductor wafer is planarized by applying sequentially a deplating step, a plating step, and a relaxation step in a removal cycle. A series of cycles are performed sequentially in one embodiment to comprise a pass. The removal cycle is repe... | 10/13/2005 |
| 20050205432 | Method, an apparatus, a control system and a computer program to perform an automatic removal of cathode depositions during a bipolar electrochemical machining The invention relates to a method, an apparatus and a computer program for electrochemical machining where a removal of cathode depositions is performed in a fully automated way by means of an application of optimal pulses of a suitable polarity. The method comprises es... | 09/22/2005 |
| 20050194257 | Electroplating system and method The present invention includes a method of electroplating an object, where the objects are stacked in at least one sleeve and the objects have an interior surface, that upon stacking, form a stack conduit. The sleeves are then racked to provide fluid communication betwe... | 09/08/2005 |
| 20050183963 | Electrode for electrolytic processing An electrode for electrolytic processing has a conductive material and an organic compound having an ion exchange group. The organic compound is chemically bonded to a surface of the conductive material. The organic compound comprises thiol or disulfide. The ion exchang... | 08/25/2005 |
| 20050150776 | Electrolytic etching method and apparatus The present invention relates to a method and apparatus for partial etching or pattern etching using an electrolysis reaction, wherein, conventionally, there was the problem that an etching line could not be finely formed on a cell edge because of apparatus problems con... | 07/14/2005 |
| 20050145489 | Electroetching process and system A system for optionally depositing or etching a layer of a wafer includes mask plate opposed to the wafer with the mask plate having a plurality of openings that transport a solution to the wafer. An electrode assembly has a first electrode member and a second electrode... | 07/07/2005 |
| 20050133363 | Conductive polishing article for electrochemical mechanical polishing Embodiments of a polishing article for processing a substrate are provided. In one embodiment, a polishing article for processing a substrate comprises a fabric layer having a conductive layer disposed thereover. The conductive layer has an exposed surface adapted to po... | 06/23/2005 |
| 20050092609 | Method and device for obtaining a determined flow resistance of a flow channel by means of a measuring bridge The invention relates to a method and device for obtaining a determined flow resistance of a flow channel, especially an opening in a component. The method involves the following steps: a liquid flows through the flow channel; a characteristic depending on the flow resi... | 05/05/2005 |
| 20050061682 | Method and device for electroerosive material machining of a workpiece A method and an apparatus for electroerosive material machining of a workpiece with an elongated tool electrode are described. The tool electrode is guided in an electrode guide, in which an oval void is embodied. The wire segment located in the void is exposed to a mag... | 03/24/2005 |
| 20050035001 | Electrolytic processing apparatus and electrolytic processing method There are provided an electrolytic processing apparatus and an electrolytic processing method which can regenerate an ion exchanger with an enhanced regeneration rate of ion-exchange capacity without adversely affecting the throughput of the apparatus. The electrolytic ... | 02/17/2005 |
