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| Number | Title | Issue Date |
| 7951285 | Process for producing a metal body and metal bodies The invention provides a process for producing a metal body, which leads in a simple and reliable way to formation of a defined surface topography, if desired also combined, in the range from 10 nm to 500 μm on a metal base body or blank which is to have, in partic... | 05/31/2011 |
| 7569133 | Device and method for removing surface areas of a component Apparatus and process for removing surface regions of a component. The prior art involves removing surface regions of a metallic component by means of electrochemical processes. The electrochemical process is accelerated by the use of a current pulse generator. ... | 08/04/2009 |
| 7419581 | Method for producing optically transparent regions in a silicon substrate A simple and cost-effective possibility is proposed for producing optically transparent regions (5, 6) in a silicon substrate (1), by the use of which both optically transparent regions of any thickness and optically transparent regions over a cavity i... | 09/02/2008 |
| 7377836 | Versatile wafer refining Methods of refining using a plurality of refining elements are discussed. A refining apparatus having refining elements that can be smaller than the workpiece being refined are disclosed. New refining methods, refining apparatus, and refining elements disclosed. Met... | 05/27/2008 |
| 7295646 | Method for producing a coating for absorption of neutrons produced in nuclear reactions of radioactive materials The invention relates to a method for producing a coating for absorption of neutrons produced in nuclear reactions of radioactive material which can be applied in an economically feasible and simple manner, increases the effectivity of absorption, enables greater va... | 11/13/2007 |
| 7257892 | Method of manufacturing wiring board A method of manufacturing a wiring board, including: providing a resin substrate on which is formed a metal layer including a first layer and a second layer formed on the first layer; forming an interconnecting pattern by etching the metal layer so that the intercon... | 08/21/2007 |
| 7250103 | Method and apparatus for eliminating defects and improving uniformity in electrochemically processed conductive layers A method of removing material from a conductive surface of a workpiece while the conductive surface and an electrode are wetted by a process solution. The method comprises the steps of applying power between the conductive surface and the electrode, rendering the co... | 07/31/2007 |
| 7246367 | Synchronized service provision in a communications network The invention relates to the synchronized playback of video and/or audio recordings in terminals of a communications network. A server stores recordings including timing markers, each of which indicates an internal position within the recording. The system comprises... | 07/17/2007 |
| 7238294 | Procedure for etching of materials at the surface with focussed electron beam induced chemical reactions at said surface The invention refers to a procedure for etching of materials at the surface by focussed electron beam induced chemical reactions at said surface. The invention is characterized in that in a vacuum atmosphere the material which is to be etched is irradiated with at l... | 07/03/2007 |
| 7233000 | Low power silicon thermal sensors and microfluidic devices based on the use of porous sealed air cavity technology or microchannel technology This invention provides a miniaturized silicon thermal flow sensor with improved characteristics, based on the use of two series of integrated thermocouples (6, 7) on each side of a heater (4), all integrated on a porous silicon membrane (2) on ... | 06/19/2007 |
| 7160432 | 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 method is provided for processing a substrate to remove conductive material disposed over narrow feature definitions formed in a substrate at... | 01/09/2007 |
| 7157209 | Manufacturing process of aluminum support for planographic printing plate, aluminum support for planographic printing plate, planographic printing plate material and image formation process A process for manufacturing an aluminum support for a planographic printing plate material, the process containing the steps of: (a) electrolytically surface-roughening an aluminum plate in an electrolyte solution containing hydrochloric acid as a main component; an... | 01/02/2007 |
| 7097783 | Method for inspecting a titanium-based component A process for detecting an aluminum-based material deposited onto a titanium-based gas turbine engine component during engine operation is disclosed. The process comprises immersing at least a portion of the titanium-based component, which has been subjected to engi... | 08/29/2006 |
| 7090751 | Apparatus and methods for electrochemical processing of microelectronic workpieces A processing chamber comprising a reaction vessel having an electro-reaction cell including a virtual electrode unit, an electrode assembly disposed relative to the electro-reaction cell to be in fluid communication with the virtual electrode unit, and an electrode ... | 08/15/2006 |
| 7078919 | In situ determination of resistivity, mobility and dopant concentration profiles The present invention provides techniques for an in-situ measurement of resistivity profiles and dopant concentration distributions in semiconductor structures, such as shallow junctions. A substrate with a resistor test structure having a conduction circuit may be ... | 07/18/2006 |
| 7064082 | Methods for forming pin alloy-semiconductor devices with rectifying junction contacts The present invention pertains to a more efficient system and method for forming rectifying junction contacts in PIN alloy-semiconductor devices using photoelectrical and chemical etching. The present invention provides a means of creating rectifying junction contac... | 06/20/2006 |
| 7037639 | Methods of manufacturing a lithography template A method for forming imprint lithography templates is described herein. The method includes forming a masking layer and a conductive layer on a substrate surface. The use of a conductive layer allows patterning of the masking layer using electron beam pattern genera... | 05/02/2006 |
| 6997040 | Gas sensor and fabrication method thereof A gas sensor includes a silicon substrate provided with a recess, an insulating layer, a first and a second conductive patterned layers and a detecting portion for sensing a gas which passes there through. In the gas sensor, the insulating layer is formed on a top p... | 02/14/2006 |
| 6974766 | In situ deposition of a low κ dielectric layer, barrier layer, etch stop, and anti-reflective coating for damascene application The present invention provides a SiC material, formed according to certain process regimes, useful as a barrier layer, etch stop, and/or an ARC, in multiple levels, including the pre-metal dielectric (PMD) level, in IC applications and provides a dielectric layer de... | 12/13/2005 |
| 6951826 | Silicon carbide deposition for use as a low dielectric constant anti-reflective coating The present invention generally provides a process for depositing silicon carbide using a silane-based material with certain process parameters that is useful for forming a suitable ARC for IC applications. Under certain process parameters, a fixed thickness of the ... | 10/04/2005 |
| 6935018 | Copper plated invar with acid preclean A method for forming a copper-Invar-copper (CIC) laminate having an intermetallic layer of negligible thickness, and a structure associated with the CIC laminate. Starting with a block of Invar, the method includes a cleaning step followed by an electroplating step.... | 08/30/2005 |
| 6908562 | Method of forming electrode for saw device A method of forming an electrode for a surface acoustic wave (SAW) device comprises the steps of forming an alloy film (32) made of aluminum (Al) and magnesium (Mg) on a substrate (31) and selectively etching the alloy film (32) by using a gaseo... | 06/21/2005 |
| 6808617 | Electrolytic polishing method A polishing method and polishing apparatus able to easily flatten an initial unevenness with an excellent efficiency of removal of excess copper film and suppress damage to a lower interlayer insulation film, and a plating method and plating apparatus able to deposi... | 10/26/2004 |
| 6793797 | Method for integrating an electrodeposition and electro-mechanical polishing process A method for alternately electrodepositing and electro-mechanically polishing to selectively fill a semiconductor feature with metal including a) providing an anode assembly and a semiconductor wafer disposed in spaced apart relation including an electrolyte there b... | 09/21/2004 |
| 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 |
| 6627064 | Method for removing the hard material coating applied on a hard metal workpiece and a holding device for at least one workpiece A hard material layer deposited on a hard metal work piece is removed by electrolytic passivation in which a maximum current density equal to at least 0.01 A/cm2 is generated on the work piece at the beginning of the layer removal process. The ... | 09/30/2003 |
| 6573106 | Method of treating carbon or graphite to increase porosity and pore uniformity A method of pre-treating carbon or graphite material to increase porosity and render pore size more uniform includes etching by electrochemically pulsing the material in an acid saline solution and optionally steam treating.... | 06/03/2003 |
| 6524461 | Electrodeposition of metals in small recesses using modulated electric fields A layer of a metal is electroplated onto an electrically conducting substrate having a generally smooth surface with a small recess therein, having a transverse dimension not greater than about 350 micrometers, typically from about 5 micrometers to about ... | 02/25/2003 |
| 6491808 | Electrolytic etching method, method for producing photovoltaic element, and method for treating defect of photovoltaic element An electrolytic etching method for etching treating an object to be etched by an electrochemical reaction through an electrolyte between the object to be etched and an etching electrode, where the contact angle of the electrolyte to the object to be etche... | 12/10/2002 |
| 6447663 | Programmable nanometer-scale electrolytic metal deposition and depletion A method of nanometer-scale deposition of a metal onto a nanostructure includes the steps of: providing a substrate having thereon at least two electrically conductive nanostructures spaced no more than about 50 μm apart; and depositing metal on at least... | 09/10/2002 |
| 6423206 | Method for electrochemical roughening of a substrate To avoid or minimize the occurrence of cross streaks or current streaks on a substrate that is transported through an electrolytic bath and roughened electrochemically in it, the current density is regulated in the electrolyte between a first alternating ... | 07/23/2002 |
| 6245213 | Method for anisotropic etching of structures in conducting materials In a method for anisotropic etching of a structure in an electrically conductive substance to be etched, use is made of an etchant which in concentrated solution is usable for isotopic etching of structures in the substance to be etched. The substance to ... | 06/12/2001 |
| 6228246 | Removal of metal skin from a copper-Invar-copper laminate A method of removing a metal skin from a through-hole surface of a copper-Invar-copper (CIC) laminate without causing differential etchback of the laminate. The metal skin includes debris deposited on the through-hole surface as the through hole is being ... | 05/08/2001 |
| 6015649 | Method of manufacturing support for planographic printing plate A method of manufacturing a support of a presensitized planographic printing plate is disclosed, the method comprising electrolytically surface-roughening an aluminum plate or an aluminum alloy plate in an acidic electrolyte solution, the surface-rougheni... | 01/18/2000 |
| 6007694 | Electrochemical machining An electrochemical machining method and apparatus involves the passage of a wire through a programmably controllable electrochemical machine, wherein the wire is tapered along its length to obtain a desired profile. The rate of material removal may be det... | 12/28/1999 |
| 5997720 | Method for machining extrusion dies In a metal honeycomb extrusion die which incorporates apertures for the conveyance of extrudable material through the die body toward a discharge opening in the face of the die, the aperture sidewalls are shaped by electrochemical machining or the like to... | 12/07/1999 |
| 5867189 | Ink jet print heads The present invention provides an ink jet print head capable of fast, efficient and consistent printing. Such ink jet print heads include an ink ejecting component which incorporates electropolished surfaces. Electropolishing techniques useful in the prod... | 02/02/1999 |
| 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 |
| 5824206 | Photoelectrochemical etching of p-InP Photoelectrochemical etching of p-InP in various nitric acid solutions demonstrates that the semiconductor undergoes etching with favorable etch rates in the negative potential region. The etch rate increases with decreasing potentials to -1.0 V and exhib... | 10/20/1998 |
| 5728286 | Method of manufacturing extrusion die for extruding honeycomb structural body A method of manufacturing an extrusion die for extruding a honeycomb structural body is disclosed. The extrusion die has a plurality of forming channels which have a shape in a traverse cross section corresponding to that of the honeycomb structural body ... | 03/17/1998 |
