Matches 1 - 48 out of 48
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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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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.
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...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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...
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...
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...
3481838 METHOD OF WEIGHING  
3437568 APPARATUS AND METHOD FOR DETERMINING AND CONTROLLING STRESS IN AN ELECTROFORMED PART  
3357903 Monitoring system and method for electroplating steel or other hydrogenpermeable metas  
3303109 Process for the determination of diffusion profiles in semiconductor bodies  
3214354 Measurement of catalyst activity  
3172037 Method for checking the condition of an ion exchange mass by short intermittent application of direct current voltage and current measurement  
3166484 Method and apparatus for determining current density  
3098198 Method and apparatus for electrically logging earth formations by sensing the redox potential arising in a mud filled borehole  
3084030 Potentiometric process  
2886497 Method for determining the permeability of steel to hydrogen  
3843489 Title is not available  
3827948 Title is not available  
Matches 1 - 48 out of 48