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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...
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7063780 |
Method for indirect-electrification-type continuous electrolytic etching of metal strip and apparatus for indirect-electrification-type continuous electrolytic etching
The present invention provides a method for indirect-electrification-type continuous electrolytic etching of a metal strip suitable for producing a low-core-loss, grain-oriented silicon steel sheet...
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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...
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6939457 |
Contact-discharge truing/dressing method and device therefor
A contact-discharge truing/dressing method and a device therefor, capable of very simply conducting truing/dressing of a superabrasive grindstone, especially a superabrasive grindstone having a...
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6902659 |
Method and apparatus for electro-chemical mechanical deposition
The present invention deposits a conductive material from an electrolyte solution to a predetermined area of a wafer. The steps that are used when making this application include applying the...
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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...
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6706166 |
Method for improving an electrodeposition process through use of a multi-electrode assembly
A method for improving an electrodeposited metal film uniformity and preventing metal deposition and peeling of deposited metal from an electrode during an electrodeposition and electropolishing...
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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...
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6558231 |
Sequential electromachining and electropolishing of metals and the like using modulated electric fields
A surface of an electrolytically dissolvable material, e.g., an electrolytically dissolvable metal, is smoothed by a two-step electrochemical process wherein a the surface to be smoothed and a...
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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...
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6416650 |
Apparatus and method of electrochemical polishing by ring-form electrode
An apparatus and method of electrochemical polishing a workpiece with ring-form electrode is provided. A mechanism with a tool electrode, a DC power supply and electrolysis-supply tank of the...
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6402931 |
Electrochemical machining using modulated reverse electric fields
Electrochemical machining of metals and alloys is accomplished by using a pulsed electric current incorporating modulated reverse electric current. Reverse (cathodic) pulses are interposed between...
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6261438 |
Method and apparatus for roughening a support for radiation-sensitive coatings
A method and apparatus for electrochemically roughening a support is disclosed to minimize the occurrence of surface discharges or electrical discharges on the support. A DC voltage acts on the...
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6231748 |
Method of and arrangement for electrochemical machining
A method of electrochemically machining an electrically conductive workpiece in an electrolyte by applying electrical pulses between the workpiece and an electrically conductive electrode, one or...
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6139715 |
Electrochemical deburring or radiusing
A method and apparatus for deburring or radiusing articles made of TZM alloys by electrochemical machining uses a pulsating current and a binary salt electrolyte solution simultaneously applied...
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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...
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5863412 |
Etching method and process for producing a semiconductor element using said etching method
A method for etching an object having a portion to be etched on the surface thereof, comprising a step of immersing said object in an electrolyte solution such that said object serves as a negative...
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5755949 |
Electrochemical graining method
A plate-, foil- or web-shaped workpiece of aluminum or an alloy thereof is subjected, in an electrolyte bath, to an alternating current at a frequency of 0.1 to 25 Hz. During the AC treatment, an...
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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...
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5630932 |
Tip etching system and method for etching platinum-containing wire
A tip and substrate preparation system for use with scanning probe microscopes (SPMs) includes a scanning tunneling microscope (STM) tip maker, STM tip coater, a substrate treatment method for...
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5518589 |
Method of producing support for planographic printing plate
A method of producing a support for a planographic printing plate which comprises roughening a surface of an aluminum plate electrochemically, etching the surface by 0.01 to 20 g/m 2 with alkali,...
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5449441 |
Electrochemically roughening aluminum sheet
Aluminum sheet is electrochemically roughened for use as a lithographic printing plate support or as capacitor foil. The alternating current used for electrochemical roughening is initially biased...
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5186795 |
Two-stage process for electrolytic graining of aluminum
Aluminum, or an alloy thereof, is grained in a two-stage process wherein it is subjected to an electric current while immersed in an acidic electrolyte solution, such as a solution comprised of...
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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...
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5152877 |
Method for producing support for printing plate
A method for producing a printing plate support without using sodium hydroxide is provided. An aluminum plate is subjected to cathodic electrolysis in a neutral salt aqueous solution,...
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5122243 |
Lithographic printing plates comprising an aluminum support grained in a two stage-electrolytic process
Improved lithographic printing plates comprise an aluminum support which has been grained in a novel two-stage electrolytic graining process and a radiation-sensitive layer capable of forming a...
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5085746 |
Method of fabricating scanning tunneling microscope tips
A method of fabricating a double-tapered scanning tunneling microscope comprises (a) immersing one end of the tip in a bath of an acidic aqueous etchant solution containing an alkaline earth salt,...
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5082537 |
Process and apparatus for roughening a substrate for photosensitive layers
A mechanically roughened substrate is conveyed through an electrolytic bath and is given a superposed electrochemical roughening, which is carried out by means of electrodes which are arranged in...
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5041198 |
Method and an apparatus for the electrochemical roughening of a metallic surface
In order to perform the electrochemical roughening of the surface of preferably strip-like metal substrate for the production of printing plates or the like so that the surface is free of smuts and...
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4919774 |
Electrolytically treating method
A method of continuously electrolytically treating a metal web in an electrolytic liquid using an alternating waveform current via a pair of main electrodes such that the surface of the metal web...
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4849599 |
Machining method employing cutting or grinding by conductive grindstone
A method an apparatus for machining a workpiece by use of a conductive grindstone, and for dressing the grindstone simultaneously with the machining process.
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4735696 |
Method of electrolytically graining aluminum metal sheets suitable for lithographic plate supports
A method for producing aluminum sheets for lithographic plates by electrolytically etching the surface in an aqueous mineral acid electrolyte solution utilizing direct current with superimposed...
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4721552 |
Two-step method for electrolytically graining lithographic metal plates
An all electrolytic method for quickly and efficiently producing a well roughened, substantially non-directional, fine honeycomb surface on an aluminum sheet which is characterized by excellent...
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4648950 |
CR-39 track etching and blow-up method
This invention is a method of etching tracks in CR-39 foil to obtain uniformly sized tracks. The invention comprises a step of electrochemically etching the foil at a low frequency and a "blow-up"...
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4497699 |
Method of treating foil for electrolytic capacitors
A method of treating foil for use in electrolytic capacitors in which the foil moves in one direction through a treatment liquid and in which the capacitance is measured continuously by means of at...
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4482444 |
Process for electrochemically modifying electrochemically roughened aluminum support materials and the use of these materials in the manufacture of offset printing plates
This invention pertains to a process for electrochemically modifying electrochemically roughened aluminum or aluminum alloy-based support materials for printing plates. An aluminum or aluminum...
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4455200 |
Method for etching aluminum foil for electrolytic capacitors
Etching aluminum foil by (both) a high frequency current of at least 1 KHz and subsequently by an alternating current of less than 1 KHz remarkably increases the effective surface area for use in...
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4437955 |
Combined AC and DC etching of aluminum foil
Aluminum foil exhibiting a good combination of capacitance and mechanical strength is produced by an etching procedure that includes the steps of AC pre-etching aluminum foil in an acid bath...
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4434022 |
Process for manufacturing copper-clad laminate
A process for manufacturing a copper-clad laminate which includes a rolled copper foil as a circuit conductive material comprising, introducing a rolled copper foil through a power supply/guide...
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4432846 |
Cleaning and treatment of etched cathode aluminum capacitor foil
An improved method is disclosed for producing cathode aluminum foil for electolytic capcitors in which aluminum foil of 98.0% to 99.99% purity is etched in an electrolytic bath containing a...
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4272342 |
Electrolytic graining method
A method for electrolytically graining the surface of an aluminum plate which comprises passing an alternating current through the aluminum plate in an acidic electrolyte so that Q 1 >Q 2 ...
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3466235 |
ELECTROCHEMICALLY MACHINING A WORKPIECE BETWEEN ADVANCING ELECTRODES HAVING JUXTAPOSED WORKING FACES USING ALTERNATING CURRENT
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3249523 |
Method of electrolytically etching aluminum
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3192141 |
Simultaneous etching and monitoring of semiconductor bodies
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3749653 |
Title is not available
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3748239 |
Title is not available
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3650923 |
Title is not available
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