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| Number | Title | Issue Date |
| 7501051 | Electropolishing electrolyte and method for planarizing a metal layer using the same The present electropolishing electrolyte comprises an acid solution and an alcohol additive having at least one hydroxy group, wherein the contact angle of the alcohol additive is smaller than the contact angle of the acid solution on a metal layer under electropoli... | 03/10/2009 |
| 7112271 | Method and apparatus for making very low roughness copper foil A method for manufacturing a very low roughness copper foil and an apparatus for manufacturing the copper foil. In the method of the present invention, a pickling process, an electrolytic polishing process and a washing process are successively performed after the c... | 09/26/2006 |
| 6783657 | Systems and methods for the electrolytic removal of metals from substrates The present invention provides methods and systems for the electrolytic removal of platinum and/or other of the Group 8-11 metals from substrates. ... | 08/31/2004 |
| 6579439 | Electrolytic aluminum polishing processes This invention, in one aspect, relates to processes for electropolishing aluminum, in particular, aluminum alloy metal surfaces, by immersing the metal surface in a polishing solution and making the aluminum alloy material anodic. The polishing solution c... | 06/17/2003 |
| 5066370 | Apparatus, electrochemical process, and electrolyte for microfinishing stainless steel print bands An apparatus is provided for electrochemically processing an anodic material in strip form, such as the stainless steel print bands used in high speed printers. Also provided is an electrochemical process including electroetching, electropolishing, or bot... | 11/19/1991 |
| 4846944 | Process for figuring the surface of a metal mirror A process for figuring the surface of a beryllium mirror to a predetermined urvature wherein the configuration of the mirror surface is sensed to locate areas of the mirror surfaces which are higher than desired and then a stream of phosphoric acid diluted... | 07/11/1989 |
| 4663005 | Electropolishing process An electrolytic process employing a non-toxic electrolytic solution for anodically producing a high surface luster on copper, silver, gold, and alloys of the same is disclosed. The electrolytic solution employs thiourea as the principal carrier electrolyt... | 05/05/1987 |
| 4613417 | Semiconductor etching process A photoelectrochemical etching process is described for n-type and semi-insulating III-V semiconductor compounds that contain aluminum or indium (AlGaAs, InGaAs) in which a non-aqueous electrolyte is used. High etch rates are achieved without harm to expo... | 09/23/1986 |
| 4563257 | Method of electrolytically polishing a workpiece comprised of a nickel-, cobalt-, or iron-based alloy A method of electrolytically polishing Fe-, Co-, and Ni alloys, particularly nickel superalloys, wherein at least one fluorine compound is mixed into the electrolyte, which electrolyte is based on a strong acid and is further comprised of at least one wea... | 01/07/1986 |
| 4148699 | Electropolishing of stainless steel The electrofinishing of stainless steel items, especially cutlery items, to a substantially corrosion resistant mirror finish is achieved in two steps, the first step involving electropolishing and the second step passivation of the electropolished surfac... | 04/10/1979 |
| 3970529 | Electropolishing aluminum and aluminum alloys A process and bath for electropolishing and brightening aluminum and aluminum alloys. The bath preferably contains from about 30 percent to about 95 percent phosphoric acid and from about five percent to about 70 percent of a poly (alkylene ether). A mino... | 07/20/1976 |
