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7368050 Quantitative transient analysis of localized corrosion  
The invention provides an electrochemical noise method, apparatus and system for estimating parameters of interest related to corrosion rates of an electrically conductive article, the method...
7063988 Circuit for detecting arcing in an etch tool during wafer processing  
According to one exemplary embodiment, a circuit configured to interface with an etch tool comprises an ESC input for receiving a first signal from the etch tool, where the first signal indicates a...
6884333 Electrochemical system for analyzing performance and properties of electrolytic solutions  
The invention relates to the analysis of the performance and properties of electrochemical processes, and specifically, to electrolytic solutions and electrode processes. The invention discloses a...
6843904 Inspection and repair of active type substrate  
An in-substrate selective electrochemical treatment system for finding and repairing pinholes of an active substrate including holding an insulating substrate having a conductive pattern, supplying...
6620309 Method for monitoring aluminum electrolytic cells  
A measuring method is provided for monitoring of aluminum electrolysis cells, together with a corresponding measurement arrangement that includes an immersion sensor. In order to obtain...
6533920 Device for detecting an end point of electro-plating and method thereof  
A device for detecting an end point of electro-plating comprises a mandrel having a substrate and a patterned conductive layer with a main conductive area and an insulated conductive area on the...
6440297 System and method for determining noble metal concentrations in reactor coolant streams  
A system and method for determining a noble metal concentration in a sample that is representative of a noble metal concentration in either a volume of water circulated through a nuclear reactor or...
6365034 High throughput electrochemical test for measuring corrosion resistance  
A high throughput electrochemical test method for determining the resistance to corrosion of a metal article coated with a resinous coating which comprises: (a) making, as the working electrode in...
6328878 Adhesive tape sensor for detecting and evaluating coating and substrate degradation utilizing electrochemical processes  
A portable and nondestructive adhesive tape corrosion sensor which is utilized under actual field or laboratory conditions in detecting coating and substrate degradation using Electrochemical...
6313646 In-situ electrochemical-based moisture sensor for detecting moisture in composite and bonded structures  
A hand-held or permanently attached corrosion sensor is described that uses electrochemical impedance spectroscopy (EIS, also known as AC impedance) to detect coating and structural degradation...
6224746 Method and device for testing the quality of a sheet-like element comprising a membrane  
A method and device for testing the quality of a sheet-like element comprising a membrane are presented. The quality test is limited to a part-area of the sheet-like element. A useful material is...
6207030 Apparatus for measuring coating quality  
A method and apparatus for measuring the quality, e.g., thickness, porosity, or corrosion rate, of a coating inside a hollow body having an opening. The method comprises attaching a probe from a...
6162349 Method for package partitioning wall testing  
The integrity of the dividing partitions walls of a multichamber container can be tested for voids after the filling of the containers. This is particularly useful for multichamber tube containers....
6118280 Method for detecting defects in dielectric film  
Disclosed are a method and an apparatus for detecting a defect in a dielectric film. The dielectric film is electrified in an electrolyte solution containing a metal in such a manner the dielectric...
6106693 Method for measuring coating quality  
A method and apparatus for measuring the quality, e.g., thickness, porosity, or corrosion rate, of a coating inside a hollow body having an opening. The method comprises attaching a probe from a...
6099718 Method and device for checking and characteristics of a surface layer of a zirconium-alloy element and use for the checking of fuel rods for a nuclear reactor  
A sinusoidal voltage is appied to a zirconium alloy clad fuel rod. The current is measured and the impedance is determined to provide a check for the compactness and adhesion of an oxide surface...
6080293 Electrolytic test machine  
An electrolytic test machine is used for a corrosion resistance test for a test material comprised of a metal blank and a coating film. The electrolytic test machine is constructed so that an...
6071570 Electrodes of improved service life  
A method of preparing electrodes is now described, which electrodes have enhanced adhesion of subsequently applied coatings combined with excellent coating service life. In the method, a substrate...
6054038 Portable, hand-held, in-situ electrochemical sensor for evaluating corrosion and adhesion on coated or uncoated metal structures  
A hand-held and flexible corrosion sensor is described that uses electrochemical impedance spectroscopy (EIS, also known as AC impedance) to detect coating degradation and corrosion of coated and...
6033554 Corrosion resistance test process for test material comprised of metal blank and coating film  
A process for promoting corrosion of a test material, is provided including the steps of immersing, in an electrolytic liquid, a test material which is comprised of a metal blank and a coating film...
6019886 Comparator for monitoring the deposition of an electrically conductive material on a leadframe to warn of improper operation of a leadframe electroplating process  
A method and circuit (14) for monitoring an electroplating operation of an electroplating machine (10) of the type having a first electroplating cell (18) for depositing nickel onto an integrated...
5997719 Electrochemical process for refining platinum group metals with ammonium chloride electrocyte  
A process for purifying and refining platinum group metals such as platinum, iridium, palladium, rhodium and the like by an electrochemical process using ammonium chloride as the electrolyte to...
5980711 Electrolytic test machine  
An electrode is mounted in a vertical manner in an electrolytic liquid in an electrolytic cell. A harmful gas collecting hood is disposed within the electrolytic cell to cover the entire upper...
5972186 Electrolytic test machine  
An electrolytic test machine includes an electrolytic cell in which an electrolytic liquid is stored so that a test material is immersed in the electrolytic liquid. An electrode is immersed in the...
5882719 Solid tantalum capacitor test  
A combination of static voltage and sweep voltage tests performed on capacitor grade powders gives a valid prediction of performance of eventual solid electrolyte capacitors incorporating such...
5851376 Catalyst degradation determination apparatus and method  
A catalyst degradation determination apparatus having O 2 sensors provided at the upstream and downstream of a catalyst, detects degradation of the catalyst by, during A/F ratio feed-back control...
5849174 Electrodes and their use in analysis  
A method for indicating the concentration of a substance in solution includes passing an alternating voltage between a first electrode structure having coated thereon a polymer and a second...
5820746 Metal surface state evaluation method and semiconductor device production method  
Metal formed on a semiconductor wafer is brought into contact with ions adapted to corrode the metal, and subjected to constant-current electrolysis using a galvanostat. The electrode potential of...
5746905 Coating evaluation system  
The organic coating deposited on a metallic substrate is quantitatively euated by measurement of electrical signals through an electrochemical cell having an electrode separated from the deposited...
5698085 Coating analysis apparatus  
A coating analysis apparatus is suitable for analyzing four physical properties including the internal stress of a coating, the thickness of a coating, the current efficiency of electroplating and...
5612621 Method for monitoring cracks and critical concentration by using phase angle  
A method for monitoring cracks in a sample of materials by applying the theory that the phase angle increases in the sample of materials being tested where cracks have formed. The method is...
5518601 Extended use planar sensors  
A planar, solid-state electrochemical oxygen sensor having a substrate, conductive strips deposited on the substrate, and a dielectric layer insulating portions of the conductive strips except...
5505827 Method of detecting carbides in alloy steels by electrochemical polarization  
An electrolyte such as a saturated picric acid solution in a cell for measuring electrochemical polarization is placed in contact with an alloy steel such as a CrMoV steel which has been subjected...
5501777 Method for testing solder mask material  
Disclosed is a method for testing solder mask material for suitability with an electroless plating process. The Emix potential of the electroless bath is measured. A test substrate including the...
5425859 Method and apparatus for assessing and restoring solderability  
A sequential electrochemical reduction method and apparatus are provided for assessing and restoring solderability of electronic component leads. The method detects and quantifies the presence of...
5404104 Device and method for monitoring and locating defects in, and detachment of, the protective covering of underground or immersed metal structures or pipelines  
A method for monitoring the state of, and for locating any detachment of, the protective covering of immersed or buried pipelines or other metal structures subjected to cathodic protection with...
5334303 Electrochemical measurement system  
A quartz crystal resonator is utilized to effect evaluation of the viscoelastic characteristic of a film deposited on an electrode by an electrochemical reaction. The quartz crystal resonator is...
5324399 Method and system for monitoring quality of phosphate coating  
A method and system for monitoring the quality of a phosphate coating on a metal surface having a large surface area. The method comprises applying a current or potential between the metal surface...
5316633 Method and apparatus for measuring sensitization of structural members  
A method and system for electrochemically measuring the sensitization to stress corrosion cracking of small pipes of plant structural members in a very short period of time. A micro electrochemical...
5314602 DNA detector and DNA detection method  
In a DNA detecting method wherein the fluorescence detection type electrophoresis apparatus is used, Texas Red is employed as a fluorophor which labels a DNA fragment, an He-Ne laser having an...
5298130 Method of monitoring major constituents in plating baths containing codepositing constituents  
A method of monitoring the concentration of metal ions comprising a major constituent in a plating bath which is insensitive to the effects of other codepositing constituents within the bath. The...
5286357 Corrosion sensors  
A corrosion sensor (1), apparatus for detecting corrosion of a surface incorporating the sensor, a structural assembly (1,21) incorporating the sensor and method for detecting corrosion of a...
5262034 Electrochemical sensor for monitoring electrochemical potentials of fuel cell components  
An electrochemical sensor comprised of wires, a sheath, and a conduit can be utilized to monitor fuel cell component electric potentials during fuel cell shut down or steady state. The...
5262022 Method of assessing solderability  
A sequential electrochemical reduction method and apparatus for assessing solderability of electronic component leads and printed wiring boards. The method detects and quantifies the oxides present...
5227033 Electrolytic etching of metals to reveal internal quality  
The internal quality of continuously cast and other steel samples in the form of ingots, billets, blooms, slabs and bars is determined in rapid manner to enable potentially problem-causing casting...
5155361 Potentiostatic preparation of molecular adsorbates for scanning probe microscopy  
A method of preparing molecular adsorbates for scanning probe microscopy by potentiostatic methods. Negatively charged molecules are deposited upon and held to a substrate with an electrochemical...
5076906 Method for testing encapsulation integrity  
A procedure is disclosed for detecting and documenting flaws in the glassivation layer protecting the active device region of an integrated circuit. A droplet of dilute sulfuric acid solution is...
5015346 Electrochemical method for defect delineation in silicon-on-insulator wafers  
An electrochemical method for defect delineation in thin-film SOI or SOS wafers in which a surface of a silicon wafer is electrically connected so as to control the voltage of the surface within a...
4995939 Method and apparatus for determining the layer thickness of semiconductor layer structures  
In a process for determining the layer thickness of semiconductor layer structures, a sample of a multilayer semi-conductor (4) is placed in contact with an electrolyte (2) then subjected to anodic...
4919766 Inspection of electrodes having activated layers  
Process for the visual inspection of an electrode (anode) having an activated layer for electrogalvanizing plants for steel bands in which the electrode to be tested is inserted between anode and...
Matches 1 - 50 out of 110 1 2 3 >