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| Number | Title | Issue Date |
| 7151347 | Passivated niobium cavities A niobium cavity exhibiting high quality factors at high gradients is provided by treating a niobium cavity through a process comprising: 1) removing surface oxides by plasma etching or a similar process; 2) removing hydrogen or other gases absorbed in the bulk niob... | 12/19/2006 |
| 7128825 | Method and composition for polishing a substrate Polishing compositions and methods for removing conductive materials from a substrate surface are provided. In one aspect, a composition includes an acid based electrolyte system, one or more chelating agents, one or more corrosion inhibitors, one or more inorganic ... | 10/31/2006 |
| 7107676 | One piece foliated leads for sealing in light sources Manufacturing equipment and manufacturing process steps that improve upon prior art processes for the manufacturing of filament tube and arc tube light sources, their components and subassemblies, and lamps employing said light sources. A double ended, tipless filam... | 09/19/2006 |
| 7067048 | Method to improve the control of electro-polishing by use of a plating electrode an electrolyte bath A method and apparatus which uses a plating electrode in an electrolyte bath. The plating electrode works to purify an electrolyte polishing solution during the electro-polishing process. Preferably, the plating electrode is employed in a closed loop feedback system... | 06/27/2006 |
| 6899804 | Electrolyte composition and treatment for electrolytic chemical mechanical polishing An electrolyte composition and method for planarizing a surface of a wafer using the electrolyte composition is provided. In one aspect, the electrolyte composition includes ammonium dihydrogen phosphate, diammonium hydrogen phosphate, or a mixture thereof. The comp... | 05/31/2005 |
| 6797141 | Removal of coagulates from a non-glare electroplating bath The invention deals with the technical problem to devise a process for the extended use of electrolytes which economically ensures a high electrolyte quality without having to accept production interruptions for regeneration. Especially, it is envisaged to conduct t... | 09/28/2004 |
| 6723224 | Electro-chemical polishing apparatus Generally, a method and apparatus for electro-chemical polishing a metal layer disposed on a substrate is provided. In one embodiment, the electro-chemical polishing apparatus generally includes a substrate support having a plurality of contact members, a cathode an... | 04/20/2004 |
| 6676826 | Method for production of a rotor for centrifugal compressors A method for production of a rotor for centrifugal compressor, wherein the said rotor is produced from a monolithic disc, which is provided with a central hole. The method consists of use, within an isolating medium, of at least one first electrode which ... | 01/13/2004 |
| 6652658 | Method for machining/cleaning by hydroxide ion in ultrapure water A method for clean processing wherein an object and a high pressure nozzle are disposed a specific distance apart from each other inside a washing tank containing only ultra-pure water, an ion exchange material or catalyst material that increases the amou... | 11/25/2003 |
| 6221235 | Removal of sacrificial cores by electrochemical machining A sacrificial cores in castings of metallic or non-metallic materials is made from a metal that can be electrolytically dissolved, and is removed from the casting by electrochemical machining. The sacrificial core may be a hollow shell incorporating an in... | 04/24/2001 |
| 5882500 | Process for demetallizing highly acid baths and use of said process for electropolishing special steel surfaces The invention relates to a process for the demetallization of highly acidic baths based on phosphoric acid and sulphuric acid, and also to a process for the electropolishing of stainless-steel surfaces, in which a regeneration of, in particular, spent ele... | 03/16/1999 |
| 5853561 | Method for surface texturing titanium products The present invention teaches a method of producing a textured surface upon an arbitrarily configured titanium or titanium alloy object for the purpose of improving bonding between the object and other materials such as polymer matrix composites and/or hu... | 12/29/1998 |
| 5358610 | Method for electrolytic treatment A method for electrolytic treatment comprising forming electrochemically a rough surface on a material to be treated by supplying alternating current between the material to be treated and electrodes in an electrolytic solution containing metal ions, wher... | 10/25/1994 |
| 5328573 | Method for electrochemically roughening a surface of a metal plate An apparatus and method for subjecting a material, such as an aluminum web, to an electrolytic roughening treatment. The apparatus includes a tank for storing an electrolytic solution, and for conveying the web through the solution. As the web is conveyed... | 07/12/1994 |
| 5320721 | Shaped-tube electrolytic polishing process The present invention is directed to a shaped-tube electrolytic polishing process which involves providing a workpiece with at least one hole. The hole is polished by advancing a metal tube electrode through the hole while passing an electrolyte through t... | 06/14/1994 |
| 4885066 | Electrolytic finishing method An electrode is positioned to form a predetermined gap between the electrode and a surface of a work, and the electrode and the work are submerged in an electrolyte. Thereafter pulses are applied to the electrode and clean electrolyte is supplied to the g... | 12/05/1989 |
| 4842702 | Method for finishing a work An electrode is positioned with a predetermined gap between the electrode and a surface of a work in an electrolyte tank. Pulses are applied to the electrode. Electrolyte including residual products is discharged from the tank. Clean electrolyte is suppli... | 06/27/1989 |
| 4826580 | Method and apparatus for finishing cut surface of work produced by wire cut discharge process A method and a device for finishing the cut surface of a work which is cut from a metal blank by a wire cut discharge process. The work and the waste piece of the metal blank are positioned in the same condition as just after the process. Electrolyte is f... | 05/02/1989 |
| 4800006 | Electrolytic finishing system and method An electrode is positioned with a predetermined gap between the electrode and a surface of a work in an electrolyte tank. Pulses are intermittently applied to the electrode. Electrolyte including residual products is discharged from the tank. The discharg... | 01/24/1989 |
| 4072588 | Method for the anodic polishing of surfaces of intermetallic niobium compounds and niobium alloys The surface of an intermetallic niobium compound or niobium alloy to be polished is electrically shunted across a niobium part and immersed in electrolyte together with the latter permitting relatively thick surface layers of niobium compounds of high qua... | 02/07/1978 |
| 4014765 | Method for the electrolytic polishing of the inside surface hollow niobium bodies A method for electrolytically polishing the inside surface of hollow niobium bodies in which the niobium body acting as an anode is partially immersed in electrolyte and a voltage applied at a current causing oscillations to take place to cause polishing ... | 03/29/1977 |
