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7556725 |
Sealing ring assembly and mounting method
A sealing ring assembly and an improved method for mounting a sealing ring into an electrochemical cell used for Electrochemical Capacitance Voltage (ECV) profiling measurements. The ring is...
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7156965 |
Scanning electrochemical potential microscope
An apparatus and method of determining a potential at a surface of a sample in a polar liquid, for example, across an electrical double layer, includes the step of immersing the sample in a polar...
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7125482 |
Use of electrochemistry to detect buried service lead (Pb) and copper (Cu) water pipes
The present invention relates to using a rectifier, a groundbed consisting of four (4) copper rods, power supply, three (3) copper/copper sulfate (Cu/CuSO 4 ) reference electrodes, a data logger...
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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...
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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...
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6613218 |
Methods for estimating adsorption isotherms in electrochemical systems
The present invention provides a technique for enhancing electrocatalysis in electrochemical systems. Electrochemical impedance spectroscopy is performed for an electrode/electrolyte system at an...
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6245204 |
Vibrating tip conducting probe microscope
A scanning probe microscope is provided for measuring at least one characteristic of a surface, the microscope including a force sensing probe which is responsive to the at least one characteristic...
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6214210 |
Electrochemical surface analysis using deoxygenated gel electrolyte
Electrochemical surface analysis using a deoxygenated gel electrolyte provides advantages over a liquid electrolyte in processes such as sequential electrochemical reduction analysis. In sequential...
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6123817 |
Probe of scanning electrochemical microscope
This invention concerns a scanning electrochemical microscope prove capable of measuring a specimen which does not have a smooth surface. The probe is insulated by a monomolecular adsorption film,...
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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...
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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...
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5858204 |
Electrochemical sensor and process for assessing hydrogen permeation
An electrochemical sensor designed to be employed in equipment of petrochemical plants made of an electrochemical cell without polarization which includes an outer tube or first electrode and an...
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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...
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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...
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5846398 |
CMP slurry measurement and control technique
Chemical mechanical polishing slurry characteristics, such as oxidant concentration and abrasive particle dispersion, are determined using electrochemical measurement techniques, such as...
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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...
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5382336 |
Tip position modulation and lock-in detection in scanning electrochemical microscopy
Small amplitude tip-position modulation (TPM) in combination with lock-in detection of the modulated current signal is applied to a scanning electrochemical microscope (SECM) to improve...
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5281814 |
System for imaging and detecting threshold phenomena associated with and/or atomic or molecular spectra of a substance by reflection of an AC electrical signal
A microwave sweep oscillator is used to apply an AC signal from the probe tip of a scanning tunneling microscope to a sample, and the reflected signal from the sample is measured by a microwave...
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5202018 |
Process for electrochemical dissolution of semiconductors
The invention relates to the electrochemical dissolution of semiconductors by alternating application of anodic and cathodic direct currents to an electrode formed by contacting a semiconductor...
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5202004 |
Scanning electrochemical microscopy
A method for locating a chemical substance on the surface of a material and for determining the contour of a surface of a material using a scanning electrochemical microscope is provided in the...
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4886552 |
Method for monitoring the removal of a metallic contaminant from the surface of a metallic article
A method for simultaneously removing and monitoring the removal of a metallic contaminant from the surface of a metallic workpiece is disclosed. The workpiece and a reference electrode are immersed...
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4840708 |
Process for the precise determination of the surface area of an electrically conducting shaped body
The process for the precise determination of the surface area of an electrically conducting shaped body is performed by immersing said body as one electrode in an electrolyte. A steady or variable...
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4820643 |
Process for determining the activity of a palladium-tin catalyst
The effectiveness of a palladium-tin catalyst for subsequent plating thereon is determined by employing cyclic voltammetry.
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4715218 |
Method of determining degree of embrittlement of low alloy steel
A method of determining the degree of embrittlement of low alloy steel with high accuracy and good reproducibility, comprising the steps of bringing the low alloy steel into contact with an aqueous...
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4551209 |
Method of calibrating conductive metal oxide electrodes
A conductive metal oxide electrode can be calibrated by immersing the electrode and a reference electrode in a solution of known pH and applying to them a setting potential which is approximately...
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4545863 |
Automated membrane test cell apparatus and method for so using
Disclosed is an automated electrolytic membrane test cell apparatus adaptable for the purpose of accurately measuring the electrolytic properties of membranes used in chlor-alkali cells under...
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4487661 |
Method and device for determining the physical characteristics of a semiconductor material
In a method for determining the physical characteristics of a silicon wafer, one side of the wafer (4) is removably fixed to the base (2) of a container (1) so as to close off a hole (3) therein....
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4379029 |
Method of measuring metallic cation and water transport numbers for cation exchange hydraulically impermeable membranes and test cell therefor
An electrolytic membrane transport cell adaptable to experimental use for the purpose of accurately measuring simultaneously cation transport and water transport numbers (mol/Faraday) under...
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4278508 |
Method of detecting a cathodic corrosion site on a metallized substrate
A method of detecting a cathodic corrosion site on a metallized substrate comprises depositing molecules of a pH sensitive fluorescent dye adjacent a metallic surface of the substrate, the metallic...
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4168212 |
Determining semiconductor characteristic
The electrochemical measuring technique of the present invention employs, as the barrier material, a concentrated electrolyte, which also forms a medium for the controlled dissolution of a surface...
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4133722 |
Process for determining properties of materials
A process and apparatus applicable to products which are or can be made electrically conductive for the purpose of measuring information encoded in them as a result of the manufacturing steps...
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4129480 |
Method and apparatus for determining the immersed surface area of one of the electrodes of an electro-chemical bath
The immersed surface area of one of the electrodes in a conventional electro-chemical bath is accurately determined, so that the bath may be operated at an optimium current density, to obtain high...
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4090924 |
Method to determine the suitability of diaphragm for use in an electrolytic cell
An electrical method to determine the suitability of a diaphragm for use in an electrolytic cell. The method comprises inserting the diaphragm between a primary anode and a primary cathode immersed...
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4028207 |
Measuring arrangements
The electrochemical measuring technique of the present invention employs, as the barrier material, a concentrated electrolyte, which also forms a medium for the controlled dissolution of a surface...
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3824453 |
METHOD OF DETERMINING CONCENTRATIONS
A reference electrode and test electrode comprising a body of semi-conductor material having an element incorporated in it are positioned in a solution containing the element and the potential...
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3660250 |
METHOD OF DETERMINING IMPURITY PROFILE OF A SEMICONDUCTOR BODY
A machine and method for automatically determining the distribution of impurities contained in a semiconductor body. The machine is particularly useful in determining the depth of very shallow...
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3481838 |
METHOD OF WEIGHING
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3437568 |
APPARATUS AND METHOD FOR DETERMINING AND CONTROLLING STRESS IN AN ELECTROFORMED PART
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3357903 |
Monitoring system and method for electroplating steel or other hydrogenpermeable metas
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3303109 |
Process for the determination of diffusion profiles in semiconductor bodies
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3214354 |
Measurement of catalyst activity
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3172037 |
Method for checking the condition of an ion exchange mass by short intermittent application of direct current voltage and current measurement
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3166484 |
Method and apparatus for determining current density
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3098198 |
Method and apparatus for electrically logging earth formations by sensing the redox potential arising in a mud filled borehole
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3084030 |
Potentiometric process
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2886497 |
Method for determining the permeability of steel to hydrogen
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3843489 |
Title is not available
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3827948 |
Title is not available
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