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7378004 Pad designs and structures for a versatile materials processing apparatus  
An apparatus capable of assisting in controlling an electrolyte flow and an electric field distribution used for processing a substrate is provided. It includes a rigid member having a top surface...
7329335 Device providing electrical contact to the surface of a semiconductor workpiece during processing  
Substantially uniform deposition of conductive material on a surface of a substrate, which substrate includes a semiconductor wafer, from an electrolyte containing the conductive material can be...
7252746 Electropolishing apparatus and method for medical implants  
An electropolishing apparatus and method are provided for polishing stents and other medical implants. The apparatus includes a motor that rotates a roller. The roller continuously rotates the...
7194505 Shared information processing system and recording medium  
The present invention provides a shared information processing system, such that information can be shared between a plurality of clients and a server with a chat system is constructed, and it is...
7125477 Contacts for electrochemical processing  
Systems and methods for electrochemically processing. A contact element defines a substrate contact surface positionable in contact a substrate during processing. In one embodiment, the contact...
6974525 Method and apparatus for electrochemical planarization of a workpiece  
An electrochemical planarization apparatus for planarizing a metallized surface on a workpiece includes a polishing pad and a platen. The platen is formed of conductive material, is disposed...
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...
6630059 Workpeice proximity plating apparatus  
The present invention relates to methods and apparatus for plating a conductive material on a semiconductor substrate by rotating pad or blade type objects in close proximity to the substrate,...
6562227 Plunge electromachining  
An electromachining apparatus includes a mandrel for supporting a workpiece next to a cutter mounted on an arbor. The workpiece is powered as an anode and the cutter is powered as a cathode, and a...
6531037 Removable electrode  
There is disclosed a removable electrode for electrolytic dressing grinding in which the electrode is disposed opposite to a processing surface of a conductive grinding wheel via a gap, a...
6464855 Method and apparatus for electrochemical planarization of a workpiece  
An electrochemical planarization apparatus for planarizing a metallized surface on a workpiece includes a platen, a conductive element disposed adjacent the platen and a polishing surface disposed...
6217725 Method and apparatus for anodizing  
A resilient dielectric wiper blade is mounted between electrodes and a workpiece, particularly in an anodizing operation, to wipe bubbles of oxygen from the anodic work surface, to remove a surface...
6143156 Electroplating method and apparatus  
The present invention provides an improved method for electroplating metallic ions onto a conductive substrate. In one embodiment, the method comprises at least partially covering a selected...
5667646 Dressing apparatus  
A dressing apparatus comprises at least two electrode pieces each having an arcuate inner surface and being arranged around a grinding stone to define a gap therebetween. A gap adjusting mechanism...
5587064 Waste water purification process and apparatus  
For the purification of heavy metal-containing wastewater, a process according to the invention deposits heavy metal deposits on a cathode or cathodes which are mechanically removed. For this...
5462649 Method and apparatus for electrolytic plating  
A resilient dielectric wiper blade is mounted between a cathodic workpiece and an anode to wipe bubbles of hydrogen from the surface, sever dendritic material, if such is present as the coating...
5453174 Method and apparatus for depositing hard chrome coatings by brush plating  
Thick layers of hard dense chromium coatings are formed on metal substrates by an electrolytic brush plating operation in which a lead-tin anode is closely positioned to a cathodic workpiece in...
5288382 Optical fine processing apparatus  
An optical fine processing apparatus for forming a structure having a high aspect ratio even on a workpiece having high heat conductivity. Light, such as a laser beam, is irradiated onto the...
5246555 Work bed for a grinding apparatus  
This invention relates to a work bed for a grinding apparatus provided with a work table (9) which moves in a direction of X-axis and in a direction of Y-axis, comprising X-axis and Y-axis set to...
5194126 Method and device for dressing grinding wheels  
The invention relates to a method and a device for the electroerosive dressing of grinding wheels having an electrically conductive bond. The dressing tool comprises a cylindrical electrode pair...
5110428 Process and apparatus for double-sided chemomechanical polishing of semiconductor wafers and semiconductor wafers obtainable thereby  
Semiconductor wafers, in particular, silicon wafers, with differently poled front and rear sides and high geometrical quality can be fabricated by double-sided polishing if the wafer surfaces are...
5108561 Method of dressing, dressing system and dressing electrode for conductive grindstone  
A method of dressing for a conductive grindstone, a dressing system for this method and a dressing electrode used in this method. According to the preferred embodiment, this method comprises...
5100528 Continuous silver refining cell  
A continuous silver refining cell comprises a tank containing an electrolyte, at least one vertical cathode disk mounted on a rotating horizontal shaft placed above the tank so that slightly less...
5091067 Method and an apparatus for machining optical components  
An apparatus and a method of machining optical components such as lens is disclosed. The apparatus comprises an optical raw stock or material, a rotatable holding shaft for holding the optical raw...
5071525 Method of grinding lenses and apparatus therefor  
A method of grinding a lens and an apparatus therefor during dependent machining in which an electrically conductive grinding tool which rotates and a workpiece slide in close contact with each...
5045161 Method and apparatus for electrolytically assisting the mechanical shaping of a workpiece  
A method and apparatus for electrolytically assisting the mechanical shaping of a workpiece is provided which is particularly useful for precision machining. A tool is used comprising an...
5032238 Method of and apparatus for electropolishing and grinding  
A method of electropolishing and grinding the both surfaces of a circular workpiece comprises polishing and grinding the both surfaces of a circular workpiece with a pair of grindingstones which...
4839005 Electrolytic-abrasive polishing method of aluminum surface  
In a method of fabricating an aluminum surface for applying mirror-smooth fabrication to the surface of aluminum or aluminum alloy by combining an electrolytic anode dissolving effect to the...
4830719 Method for etching piston rings  
A method for the etching of chromium-coated piston rings comprises the steps of producing relative movement and rubbing contact between the chromium-coated surface of a piston ring which is anodic...
4713149 Method and apparatus for electroplating objects  
The invention relates to a method and apparatus for electroplating an object using a carbon fiber material as the anode and wherein during the plating operation relative motion is maintained...
4641007 Process and device for treatment of metal-bonded nonconductive materials  
A rotating electrode tool made of polycrystalline synthetic diamonds in a metal foundation is used in the electro-erosive machining and mechanical grinding of a metal bonded, electrically...
4609450 Combined electrolytic-abrasive polishing apparatus  
Method and apparatus for combined electrolytic-abrasive polishing: providing a tool electrode rotatable by means of a rotational drive and having a liquid-permeable visco-elastic polishing member...
4559115 Method of and apparatus for machining ceramic materials  
Efficient, high-precision machining of ceramic materials is achieved by supplying onto a workpiece of a ceramic material a liquid electrolyte having components at least one of which is normally...
4534831 Method of and apparatus for forming a 3D article  
A method of and apparatus for forming a 3D-shaped article, such as a die or mold, utilizing an electroforming process in which a metal layer is electroformed on an electroforming mold and removed...
4532019 Grinding wheel and method for electrolytic and mechanical grinding  
A grinding wheel having a circumferential rim and a plurality of electrically conductive zones and non-grinding zones therebetween the rim. A method of using such a grindstone as disclosed....
4528074 Method for producing a grinding wheel by electroplating  
Disclosed is a method of producing a grinding wheel by electroplating. A part of the outer peripheral portion of a grinding wheel body is immersed in a plating solution. While rotating the grinding...
4483755 Method for the treatment of surfaces of a workpiece of carbon-containing cast iron  
The invention relates to a method and an apparatus for the treatment of surfaces of a workpiece of carbon-containing cast iron, and in particular of blind holes in gray iron cast workpieces, by...
4456516 Shaft rounding apparatus  
An apparatus is provided which machines a generally cylindrical shaft in such a way so as to improve its roundness. A bracket is shaped to be slidably associated with the shaft in a two point...
4448656 Electrolytic/electric discharge machining of a non-conductive workpiece  
The electrolytic/electric discharge machining of a workpiece of a non-conductive hard material, for example, ceramic material is carried out by preparing a grinding wheel having conductive regions...
4405421 Method of and apparatus for electrochemically grinding a conductive workpiece  
An improved electrochemical grinding wheel electrode consisting essentially of electrically conductive abrasive grains bonded together with an essentially nonconductive bonding matrix. The abrasive...
4384942 Cannulae grinding method and machine  
A method and system for continuously grinding tubing to finished cannulae, where the tubing is loaded in a carrier and the carrier is continuously guided past stations which cut the primary bevel,...
4328083 Apparatus for mirror-finishing a cylindrical  
In a method of mirror-finishing a cylindrical workpiece, according to which, with an abrasive matter and an electrolyte disposed at and supplied to each of the gaps between a cylindrical workpiece...
4201651 Electrolysis cell  
Prior art electrolysis cells used for producing chlorine for sanitizing and sterilization purposes deteriorate due to accumulation of scale on the electrodes thereof. This problem is solved by an...
3959089 Surface finishing and plating method  
This specification discloses a method and apparatus for plating a surface wherein a conductive anode body is spaced from a cathodic work surface by non-conductive particles carried in the anode...
3922207 Method for plating articles with particles in a metal matrix  
The surface of a workpiece which is to be plated is immersed in a plating solution of particles dispersed in a metal salt dissolved in an aqueous solution. The plating solution flows between the...
3898148 Apparatus for making abrasive articles  
Depositing abrasive particles, such as diamonds, silicon carbide, titanium carbide, aluminum oxide, or mixtures thereof, in a matrix of electrochemically deposited metals on the outer periphery...
3853734 FLUID SYSTEM FOR HONING AND PLATING APPARATUS  
Plating and honing apparatus embodying a closed fluid circuit for the circulation of liquid electrolyte and/or coolant during plating and/or honing.
3770610 TOOL FOR MECHANICALLY AND ELECTROCHEMICALLY MACHINING THE SURFACE OF METALLIC WORKPIECES  
A tool for mechanically and electrochemically machining the surfaces of metallic workpieces in which a cylindrical body has distributed thereabout in alternating relation mechanical tool elements...
3706650 CONTOUR ACTIVATING DEVICE  
A rotatable activating device for contacting and activating a contoured surface during the electrodeposition thereon of a metal coating. The device has an outer surface composed of a...
3619401 APPARATUS FOR ELECTRODEPOSITION  
Electrodeposition apparatus where, in addition to the conventional cathode, anode and electrolyte supply means, there is also provided a nonconductive hard particle activating means and associated...
Matches 1 - 50 out of 76 1 2 >