Quotables
"The production of too many useful things results in too many useless people."
Karl Marx
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7169286 | Process control methods of electropolishing for metal substrate preparation in producing YBCO coated conductors Disclosed is a reel-to-reel substrate tape polishing and cleaning system including precleaning, electropolishing section and post cleaning sections and which is suitable for polishing and cleaning long lengths of metal substrate tape used in the manufacture of HTS-c... | 01/30/2007 |
| 7153410 | Methods and apparatus for electrochemical-mechanical processing of microelectronic workpieces Methods and apparatuses for electrochemical-mechanical processing of microelectronic workpieces. One embodiment of an electrochemical processing apparatus in accordance with the invention comprises a workpiece holder configured to receive a microelectronic workpiece... | 12/26/2006 |
| 7144298 | Method for manufacturing semiconductor device and apparatus for manufacturing thereof The object of the invention is to provide a method of manufacturing a semiconductor device and a processing apparatus for planarization wherein to form copper wiring in multiple layers. The removal of a residue of polishing by local electro polishing, the enhancemen... | 12/05/2006 |
| 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 |
| 7022216 | Electrolytic etching of metal layers A method for selectively removing a layer of electrolytically dissoluble metal such as copper overplate from a substrate such as a low-k dielectric comprising: providing a substrate bearing on a major surface thereof a layer of ele... | 04/04/2006 |
| 6969672 | Method and apparatus for controlling a thickness of a conductive layer in a semiconductor manufacturing operation A method of controlling a conductive layer deposition process includes depositing a conductive layer onto a semiconductor wafer based upon a deposition recipe, measuring a thickness of the conductive layer deposited on the semiconductor wafer, determining whether th... | 11/29/2005 |
| 6837984 | Methods and apparatus for electropolishing metal interconnections on semiconductor devices An apparatus for electropolishing a wafer includes a wafer chuck and a stationary jet. The wafer chuck is configured to rotate and translate the wafer. The stationary jet is configured to apply an electrolyte to the wafer when the wafer is translated and rotated by ... | 01/04/2005 |
| 6780305 | Method for producing support for planographic printing plate, support for planographic printing plate, and planographic printing plate precursor The invention provides a method for producing a support for planographic printing plates which comprises a step of roughening the surface of an aluminum plate and in which the surface-roughening step includes (1) a pre-electrolytic surface-roughening step of electro... | 08/24/2004 |
| 6682645 | Process for producing aluminum support for lithographic printing plate In a process for producing an aluminum support of a lithographic printing plate, the desired aluminum support is produced by imparting fine asperities to an aluminum plate and then roughening it electrochemically in an acidic aqueous solution. The roughen... | 01/27/2004 |
| 6679985 | Electrochemical discharge machining device and machining method An electrochemical discharge machining method may include electrolytically machining a tool fed by a three-dimensional tool feeder which can accurately feed a tool in three dimensions. The electrolytic machining may be performed in a current controlled mo... | 01/20/2004 |
| 6596150 | Production method for an aluminum support for a lithographic printing plate Disclosed is a production method of an aluminum support for a lithographic printing plate, capable of stable and low-cost production of an aluminum support for a lithographic printing plate, the support being scarcely subject to generation of treatment un... | 07/22/2003 |
| 6447982 | Litho strip and method for its manufacture A litho strip for use as an offset printing plate is described which has a composition of 0.05-0.25% Si, 0.30-0.40% Fe, 0.10-0.30% Mg, max. 0.05% Mn, and max. 0.04% Cu. The strip is produced from a continuous cast ingot of the above composition which is h... | 09/10/2002 |
| 6325912 | Apparatus and method for electrolytic treatment This invention provides an apparatus and a method capable of electrolyzing a metal web at a high treating speed and high current density without a problem of uneven treatment, which a metal web is wound, arc-shaped electrodes allocated on the outside of t... | 12/04/2001 |
| 6238810 | Process for using surface active agents to produce high etch gains for electrolytic capacitor manufacturing A surface active, viscosity modifying agent is used to promote additional tunnel initiation during the etching of high purity cubicity anode foil, preferably aluminum anode foil, to render it suitable for use in electrolytic capacitors. The anode foil is ... | 05/29/2001 |
| 6221236 | Apparatus and method for electrolytic treatment This invention provides an apparatus for electrolytic treatment capable of removing the ununiformity according to the frequency and can achieve high treating speed and high current density treatment, which comprises etching a metal web electrolytically us... | 04/24/2001 |
| 6143158 | Method for producing an aluminum support for a lithographic printing plate A method for producing an aluminum support for a lithographic printing plate comprising the steps of (a) electrolytic polishing an aluminum plate in an alkaline aqueous solution; and (b) electrochemically surface roughening the aluminum plate using direct... | 11/07/2000 |
| 6045681 | Manufacturing method of planographic printing plate support and presensitized planographic printing plate Disclosed is a method of surface-roughening an aluminum support comprising the step of electrolytically surface-roughening an aluminum support in an electrolyte solution, supplying an alternating current with an alternating waveform having a positive pola... | 04/04/2000 |
| 5997722 | Electrochemical surface treatment A method for producing a photoreceptor having a substrate subjected to a surface finishing treatment to result in a finished substrate surface, wherein the method includes: (a) analyzing the finished substrate surface by performing a first surface energy ... | 12/07/1999 |
| 5993637 | Electrode structure, electrolytic etching process and apparatus An electrode structure is constituted by a first electrode, and at least one second electrode providing a pair of opposite portions with a prescribed spacing therebetween at which the first electrode is disposed. The electrode structure is suitably used f... | 11/30/1999 |
| 5833835 | Method and apparatus for electrochemical machining by bipolar current pulses Method of electrochemically machining an electrically conductive workpiece (2) in an electrolyte by applying bipolar electric pulses between the workpiece (2) and an electrically conductive electrode (6), one or more current pulses of normal polarity alte... | 11/10/1998 |
| 5792333 | Method of surface-roughening treatment of copper foil A method of surface-roughening a copper foil by subjecting at least one side of the copper foil to electro-plating using an alternating current, wherein a sulfuric acid bath or a sulfuric acid-copper sulfate bath is used as an electrolyte.... | 08/11/1998 |
| 5667666 | Process for electrochemically roughening a surface of a metal web A process for roughening a surface of a support for a lithographic printing plate in which an electric current is supplied between a metal web and an electrode facing the metal web in an electrolyte containing metal ions so that the metal web is subjected... | 09/16/1997 |
| 5660708 | Process for manufacturing a lead frame It is an object of this invention to provide a process for manufacturing a lead frame by polishing a blank for a lead frame electrolytically and plating the electrolytically polished surface of the blank with a metal, which process enables the electrolyti... | 08/26/1997 |
| 5639363 | Apparatus and method for mirror surface grinding and grinding wheel therefore An apparatus and a method for mirror surface grinding which enables high quality, stable ELID grinding; and a grinding wheel for electrolytic dressing. The apparatus comprises a grinding wheel 3 having a contact surface 2 for contacting a workpiece 1, an ... | 06/17/1997 |
| 5580431 | Composite wire microelectrode and method of making same A composite wire microelectrode for making electro-chemical measurements, and method of making same. The microelectrode includes an inner conductive sensing wire and an outer tube that is oxidized to form a dielectric, self-healing oxide layer around the ... | 12/03/1996 |
| 5500101 | Method of etching aluminum foil for electrolytic capacitor The present invention relates to a method of etching aluminum foil for electrolytic capacitors that is improved in etching efficiency, wherein when the aluminum foil is etched by applying alternating current in an electrolytic solution containing chloride... | 03/19/1996 |
| 5456772 | Support for a planographic printing plate and method for producing same A support for a planographic printing plate support in which variations in the quality of the material of the aluminum support are reduced to thereby improve the yield in an electrolytic graining treatment and which is excellent in susceptibility to grain... | 10/10/1995 |
| 5395489 | Electrochemically roughening aluminum metal sheet A method of electrochemically roughening an aluminum metal sheet for use as a lithographic plate support comprises subjecting the sheet in an electrolyte to an alternating current treatment. Treatment is performed in the presence of at least one added com... | 03/07/1995 |
| 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 |
| 5346597 | Process for etching organic polymeric materials A wet etching process for forming vias or pre-designed patterns in organic polymeric layers such as fully or substantially fully cured polyimide layers which are used as circuit carriers in laminated integrated circuits by placing said organic polymeric l... | 09/13/1994 |
| 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 |
| 5326448 | Method for reducing the polarization of bioelectrical stimulation leads using surface enhancement, and product made thereby A method is disclosed for greatly reducing pacing polarization of a porous platinum bioelectrical stimulation electrode substrate by applying an oscillating current to the electrode substrate while it is immersed in an electrolyte such as a sodium sulfate... | 07/05/1994 |
| 5322613 | Method and apparatus for marking orthodontic products A method and apparatus are provided for marking orthodontic products. The method includes the steps of coupling the orthodontic product with the anode of a power source, placing an electrolyte in electrical contact with the cathode of the power source, an... | 06/21/1994 |
| 5304298 | Process for roughening aluminum or aluminum alloys A process for roughening aluminum or aluminum alloys useful as support material for printing plates, in which process two electrochemical roughening steps are carried out in direct succession and are followed by a pickling step. Printing plates are produc... | 04/19/1994 |
| 5288372 | Altering a metal body surface A method for changing a metal body, especially an aluminum alloy body, and, in particular, a method for producing a uniform metal body surface for use in achieving desired light reflectance characteristics and/or other useful attributes. The method compri... | 02/22/1994 |
| 5221442 | Method and apparatus for electrolytic treatment In a process of surface-roughening of an aluminum support for a printing plate using an AC electrolytic etching apparatus, changes of the current waveform, particularly changes of the time required for the current to reach its peak value due to variations... | 06/22/1993 |
| 5174869 | Method of producing aluminum support for printing plate A method of producing an aluminum support for a printing plate by electrochemical graining. The aluminum support is soaked in an acid electrolytic liquid of nitric acid or hydrochloric acid in preferred ranges. An alternating current including a tF | 12/29/1992 |
| 5164051 | Method for vapor phase synthesis of diamond on electrochemically treated substrate A diamond film of the vapor phase process is produced by a method which comprises a step of (1) electrolytically polishing the surface of a hard metal substrate with a pulse voltage or, after electrolytic polishing, further subjecting it to a scratching t... | 11/17/1992 |
| 5156723 | Process for electrochemical roughening of aluminum for printing plate supports A process for roughening aluminum or alloys thereof for printing plate supports, wherein an electrochemical roughening is performed by means of alternating current in an acidic electrolyte including sulfate ions and chloride ions, the chloride ions being ... | 10/20/1992 |
| 5141605 | Process for producing aluminum support of a printing plate An aluminum plate is subjected to electrochemical surface-roughening treatment etching treatment, and an additional electrochemical surface-roughening treatment in an acidic electrolyte, in the stated order. The electrochemical surface-roughening treatmen... | 08/25/1992 |
