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7616014 Pulsed I-V measurement method and apparatus  
A method and apparatus for measuring a pulsed I-V characteristic of a DUT that has a signal terminal and a return terminal includes connecting a pulse unit between the signal and return terminals,...
7602196 Method to detect and locate a breach in a roof membrane  
A defect in a roof membrane is detected by applying a DC voltage between the roof deck and a perimeter conductor and using a detection probe pair to provide a signal indicative of the differences...
7525324 Inspection method, inspection apparatus, and polarization method for piezoelectric element  
A method for inspecting a piezoelectric element includes first-inspection-signal application step of applying to the piezoelectric element a first inspection signal Vp( 1 ) having a first...
7479237 Method of fabricating vertical probe head  
The present invention relates to a method of fabricating a vertical probe head, whereas the vertical probe head is formed by the combination of at least a probe, a bottom guide plate and a top...
7319418 Sensor with multiplex data output  
A method of transmitting data from a sensor ( 1 ) to a receiver ( 4 ) in which each original data word is split in positional fashion into at least two separate short data words (MSN, LSN). The...
7317308 System and method for measuring electric current in a pipeline  
A system for measuring a voltage differential in a current-carrying pipe using a propulsion vehicle for conveying the system inside the pipe. The system includes a first contact for maintaining...
7292054 Impedance measuring apparatus of package substrate and method for the same  
An impedance measuring apparatus includes a plurality of RF (radio frequency) probes; a plurality of rotation mechanisms coupled to the plurality of RF probes, respectively; a processing unit, and...
7274194 Apparatuses and methods for repairing defects in a circuit  
Methods and apparatuses to repair defects in a circuit, such as during or subsequent to the manufacture of the circuit. Defects may be detected through, for example, optical processing of an...
7242201 Apparatus and method for detecting state of heat exchanger tube  
Provided is an apparatus for concurrently detecting a defect occurring in a heat exchanger tube and a geometric transition of the heat exchanger tube. The apparatus for detecting the state of a...
7186484 Method for determining the relative positional accuracy of two structure elements on a wafer  
A measurement mark ( 3 ) for determining the relative positional accuracy of a progressive projection onto a wafer ( 5 ), the projection being performed with two masks ( 3, 4 ), comprising two...
7185545 Instrumentation and method for monitoring change in electric potential to detect crack growth  
Instrumentation for monitoring crack growth using a change in electric potential across a starter crack as the crack propagates is disclosed. The instrumentation includes a specimen of a material...
7164277 Method for circuit inspection  
A method for inspecting an electronic circuit formed on a board with a peripheral circuit includes steps of providing a terminal for inputting and outputting an electronic signal, providing an...
7157920 Non-destructive monitoring of material integrity  
A component which is known to have particular degradation characteristics is instrumented to provide an electrical potential across a section in which a degradation is likely to occur. The...
7154276 Method and apparatus for measuring a parameter of a vehicle electrical system  
An apparatus for measuring electrical parameters for an electrical system measures a first and second parameters of the electrical system between connections to the electrical system. A processor...
7129719 Apparatus for detecting defect in circuit pattern and defect detecting system having the same  
Provided is an apparatus for detecting a defect of a circuit pattern which includes a resonator, a first power supply unit connected to one end of the resonator to apply power to the resonator, a...
7106077 Device and method for testing a membrane electrode assembly  
In order to create a device for testing a membrane electrode assembly, by means of which fabricated membrane electrode assemblies can be tested in a non-destructive manner, a first contact device...
7104147 System and method for measuring electric current in a pipeline  
A system and method for measuring a voltage differential in a current-carrying pipe using a propulsion vehicle. The system may be adapted for use with a pipeline pig or other propulsion device,...
7095222 Leak detection method and system in nonmetallic underground pipes  
A method for locating leaks in nonmetallic pipes on the principal of measuring and graphing the intensity of electric fields. Leaks are located by creating a closed circuit with a negatively...
7088115 Electrochemical impedance spectroscopy system and methods for determining spatial locations of defects  
A method and apparatus for determining spatial locations of defects in a material are described. The method includes providing a plurality of electrodes in contact with a material, applying a...
6970003 Electronics board life prediction of microprocessor-based transmitters  
A field device includes circuitry to successively measure a parameter related to current drawn by electronics of the field device. The measurements are provided to a prediction engine which...
6943570 Device for detecting a crack on a turbine blade of an aircraft engine  
An apparatus for inspecting a turbine blade of an aircraft engine may include a shaft having a proximate end and a distal end, an attachment device coupled to the distal end of the shaft and...
6815959 Systems and methods for measuring properties of conductive layers  
A pin configured to be disposed within a probe is provided. The probe may be configured to measure a property of a conductive layer. The pin may include a contact surface which may be substantially...
6753692 METHOD AND APPARATUS FOR TESTING SOLAR PANEL, MANUFACTURING METHOD FOR MANUFACTURING THE SOLAR PANEL, METHOD AND APPARATUS FOR INSPECTING SOLAR PANEL GENERATING SYSTEM, INSULATION RESISTANCE MEASURING APPARATUS, AND WITHSTAND VOLTAGE TESTER  
A manufacturing method for manufacturing a solar panel including a solar cell and an outer housing and an inspection method for inspecting a solar panel generating system, include a step of...
6642724 Valve seating with electrodes, especially for <> type control device  
A valve seating ( 23 ) is made from a fluoridated polymer, for example, solid glass-coated PTFE or reinforced PFA. At least one electrode ( 24 ) is attached to or integral with the valve seating...
6636055 Multifrequency equipment for sensing the state of electrodes in electric-arc furnaces  
Apparatus and method for sensing the state of electrodes during baking to obtain an indication of the internal condition of the electrodes where changes of phase are being produced. The apparatus...
6593759 Apparatuses and methods for determining if protective coatings on semiconductor substrate holding devices have been compromised  
In one aspect, the invention includes an apparatus having a semiconductor substrate receiving device with at least one extension configured to hold a semiconductor substrate within a liquid bath....
6577144 Electrical voltages and resistances measured to inspect metallic cased wells and pipelines  
A cased well in the earth is electrically energized with A.C. current. Voltages are measured from three voltage measurement electrodes in electrical contact with the interior of the casing while...
6476624 Crack monitoring method and apparatus  
A method and apparatus for monitoring crack inside piping suitable for high temperature environment including an electrode attachment process for attaching a pair of heat resistant current...
6469535 Method for examining semiconductor substrate, and method for controlling fabrication process of semiconductor devices  
A particular portion of a damaged layer within a semiconductor substrate, which is likely to affect the performance of resulting semiconductor devices, is distinguished from the other negligible...
6365825 Reverse biasing apparatus for solar battery module  
A reverse biasing apparatus is used to remove short-circuited portions in a solar battery module having multiple strings of solar cells each including a first electrode layer, a photovoltaic...
6331778 Methods for detecting and locating leaks in containment facilities using electrical potential data and electrical resistance tomographic imaging techniques  
Methods are provided for detecting and locating leaks in liners used as barriers in the construction of landfills, surface impoundments, water reservoirs, tanks, and the like. Electrodes are placed...
6320391 Interconnection device for low and high current stress electromigration and correlation study  
An interconnection test structure for evaluating more accurately and reliably electromigration characteristics is provided. The test structure includes an elongated metal test conductor having a...
6301954 Segemented measuring probe for sewage pipes  
A method and apparatus for determining leaks in sewage pipes. The apparatus includes a measuring probe having several radially arranged measuring electrode segments, the measuring probe being...
6288553 Method for determining the loop resistance of a power supply network  
The invention relates to a method for determining the loop resistance of a power supply network with a neutral conductor (called N), a phase or external conductor (called L1), a ground or...
6288528 Method and system for evaluating a condition of a combustion vessel  
There is provided a method and system for evaluating a condition of a surface of a combustion vessel exposed to deposition thereon of a material released during a combustion of a fuel in the...
6265881 Method and apparatus for measuring ground impedance  
A method and apparatus for measuring impedance of grounding system wherein a transient electric current is injected at the ground system under test while measuring the a transient ground potential...
6218846 Multi-probe impedance measurement system and method for detection of flaws in conductive articles  
An innovative multi-dimensional, low frequency, impedance measurement probe array, measurement system, and method are disclosed for detecting flaws in conductive articles. The device and method...
6208151 Method and apparatus for measurement of microscopic electrical characteristics  
The improved method for microscopic measurement of electrical characteristics comprises a standard atomic force microscope (AFM). The AFM includes a pointed, conductively coated tip attached to one...
6140825 Method and apparatus for evaluating quality of resistance welds  
A method for evaluating quality of a resistance weld is provided, in which a nugget generation state during a welding process is evaluated by observable numerical values based on physical...
6039429 Misprint detection techniques  
Disclosed is a combined "streak-detector" and "ink-lever flow detector" on opposite sides of a single printed circuit board; each detector comprising a pair of parallel printed circuit segments...
5952836 Device and method for detecting workpiece fractures  
A device for detecting fractures or corrosion in a workpiece having a non-conductive outer surface. A thin film layer of metallic material comprising a plurality of separate crack detection wires...
5912561 Method and apparatus for package wall testing  
Any voids in the divider walls of multichamber packages, and in particular, multichamber tubes, can be detected by applying a potential difference across the divider walls of the package. If there...
5811979 Protective grounding jumper cable tester  
A protective grounding jumper cable tester is provided which includes a housing; a pair of jumper attachment terminals on the housing for attachment of a jumper cable therebetween; a dc voltage...
5801723 Streak detector for ink jet printer  
Disclosed is a combined "streak-detector" and "ink-lever flow detector" on opposite sides of a single printed circuit board; each detector comprising a pair of parallel printed circuit segments...
5771556 Acoustic wave device and manufacturing method  
A method for making an acoustic wave device. The method has steps of providing a substrate suitable for acoustic wave devices and processing the substrate to provide a patterned metallization...
5763879 Diamond probe tip  
A probe for electrical contact with a metal layer of an integrated circuit wherein the probe features a polycrystalline diamond layer coating a fine conductive wire. The diamond coating has exposed...
5758970 Device and process for the simultaneous measurement of the extent and the temperature of a crack at the surface of an electrically conductive solid body  
Two electrical wires are connected to the surface of an electrically conductive solid body at two measurement points located on either side of a crack in the surface of the body. The two wires form...
5712571 Apparatus and method for detecting defects arising as a result of integrated circuit processing  
A probe card tester for detecting defects occurring as a result of integrated circuit processing of a substrate having a plurality of space to conductors with a contact at each end of each...
5698988 Method and device of detecting a deterioration  
A method and device of readily detecting deterioration of a sample at low cost, which do not require any maintenance and monitoring of the sensor properties, and accordingly can decrease a load...
5684408 Protective grounding jumper cable testing method  
A protective grounding jumper cable tester basically includes a housing, a direct current power supply, a pair of jumper attachment terminals, a pair of test probe terminals, a current applying...
Matches 1 - 50 out of 164 1 2 3 4 >