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| Number | Title | Issue Date |
| 8166821 | Non-destructive test evaluation of welded claddings on rods of hydraulic cylinders used for saltwater, brackish and freshwater applications A method of maintaining a rod of a hydraulic cylinder for a motion compensation system of an offshore platform includes non-destructive testing of a metallic cladding deposited onto the rod. An inspection crawler includes a visual inspection device, an eddy current ... | 05/01/2012 |
| 8020444 | Functional actuator-sensor path optimization in structural health monitoring system A method for optimizing transducer performance in an array of transducers in a structural health monitoring system includes specifying a plurality of paths between pairs of the transducers on a monitored structure and evaluating the quality of signal transmissions a... | 09/20/2011 |
| 7966883 | Non-destructive inspection using laser-ultrasound and infrared thermography An inspection system is provided to examine internal structures of a target material. This inspection system includes a generation laser, an ultrasonic detection system, a thermal imaging system, and a processor/control module. The generation laser produces a pulsed... | 06/28/2011 |
| 7698946 | System and method for ultrasonic detection and imaging Systems and Methods are disclosed for the detection and imaging of ultrasonic energy. Embodiments of the invention utilize an array of ultrasonic sensors where data from each of the sensors are processed by RMS-to-DC conversion. In addition, embodiments of the inven... | 04/20/2010 |
| 7647830 | Method and apparatus for the detection of objects under a light obstructing barrier A method for visualizing objects under light obstructing barriers of a target, the method including emitting an ultrasound wave and a laser wave towards a target, detecting a reflected laser wave is detected by optical means, analyzing the optical signal at the ultr... | 01/19/2010 |
| 7549339 | Inverse thermal acoustic imaging part inspection A method of identifying a flaw in a part is provided that includes vibrating a part to induce heat. The heat originates in any flaws in the part. A thermal image is obtained using, for example, an infrared camera. A mathematical representation of the thermophysics, ... | 06/23/2009 |
| 7516663 | Systems and method for locating failure events in samples under load A system for locating a failure event in a sample is disclosed. The system includes at least one sensor configured to detect acoustic energy corresponding to the failure event in the sample. The system also includes an infrared camera configured to detect a thermal ... | 04/14/2009 |
| 7372061 | Method and system for detecting the position of an edge of a web A method and system for determining the lateral position of an edge of a web are disclosed. The system includes a plurality of optical transmitters, a plurality of optical receivers, a plurality of ultrasonic transmitters, a plurality of ultrasonic receivers, and a ... | 05/13/2008 |
| 7322844 | Pin grid array zero insertion force connectors configurable for supporting large pin counts A PGA socket including a plurality of sub-socket components, which when used in combination forms a larger effective socket, includes multiple apertures configured to receive corresponding pins of an IC. The PGA socket further includes multiple contact members, each... | 01/29/2008 |
| 7290450 | Process diagnostics A diagnostic device for use in a industrial process includes monitoring electronics or diagnostic circuitry configured to diagnose or identify a condition or other occurrence in the industrial process. The system can be implemented in a process device such as a flow... | 11/06/2007 |
| 7280227 | Device, method and system for measuring the distribution of selected properties in a material A device for measuring a distribution of selected properties of a material. The device includes an emitter configured to emit electromagnetic radiation at at least a first and second frequency in a selected frequency range through the material, at least one sensor c... | 10/09/2007 |
| 7227628 | Wafer inspection systems and methods for analyzing inspection data Wafer inspection systems and methods are provided. One inspection system includes a module measurement cell coupled to a host inspection system by a wafer handler. The module measurement cell is configured to inspect a wafer using one or more modes prior to inspecti... | 06/05/2007 |
| 7199367 | System and method for defect detection by inducing acoustic chaos A defect detection system for thermally imaging a structure that has been energized by sound energy. The system includes a transducer that couples a sound signal into the structure, where the sound signal induces acoustic chaos in the structure that causes defects i... | 04/03/2007 |
| 7190446 | System for processing electronic devices A system is provided for processing electronic devices, and in particular for handling, inspecting, sorting and offloading the same. An apparatus for inspecting an electronic device comprises a holder for supporting the electronic device and a driving mechanism for ... | 03/13/2007 |
| 7093491 | Apparatus and methods for automated turbine component inspections An inspection system, in an exemplary embodiment, includes at least two base members spaced apart from each other, a support arm mounted to each base member, a linear track extending between and supported by the support arms, and a transport member coupled to the li... | 08/22/2006 |
| 7080554 | High-precision measuring method and apparatus A method and apparatus for monitoring a condition having a known relation to, or influence on, the transit time of a cyclically-repeating energy wave moving through a transmission channel, by: (a) transmitting a cyclically-repeating energy wave through the transmiss... | 07/25/2006 |
| 7078712 | monitoring on an ion implanter The present invention is directed to in-situ detection of particles and other such features in an ion implantation system during implantation operations to avoid such additional monitoring tool steps otherwise expended before and/or after implantation, for example. ... | 07/18/2006 |
| 7057176 | System and method for multiple mode flexible excitation in sonic infrared imaging A defect detection system for thermally imaging a structure that has been energized by a sound energy. The system includes a transducer that couples a sound signal into the structure, where the sound signal causes defects in the structure to heat up. In one embodime... | 06/06/2006 |
| 7040168 | Apparatus for determining physical parameters in an object using simultaneous microwave and ultrasound radiation and measurement The present invention relates to an apparatus for determining a dielectric function in an object. The apparatus includes one transmit antenna for transmitting microwave radiation through the object, and one receive antenna for receiving the transmitted microwave rad... | 05/09/2006 |
| 7017413 | Methods for quantitatively determining lengthwise shrinkage in wood products Embodiments of the present invention quantify lengthwise shrinkage to a higher degree of accuracy over currently known methods by employing reactive force values, such as stiffness measurements, in conjunction with motive force values, such as chemical composition, ... | 03/28/2006 |
| 6975402 | Tunable light source for use in photoacoustic spectrometers The present invention provides a photoacoustic spectrometer that is field portable and capable of speciating complex organic molecules in the gas phase. The spectrometer has a tunable light source that has the ability to resolve the fine structure of these molecules... | 12/13/2005 |
| 6959267 | Method of inspecting a heat exchanger and computer program product for facilitating same A method of inspecting a heat exchanger including a plurality of tubes having ends fixed in a tubesheet includes the steps of: establishing a baseline for each tube of its location in the tubesheet and its unique eddy current pattern resulting, at least in part, fro... | 10/25/2005 |
| 6945083 | Method of and apparatus for determining the eccentricity of a hollow billet The eccentricity of a hollow billet is measured at the outlet of an inclined-roll rolling mill by launching an ultrasonic pulse into the billet from a laser of a measuring device and measuring the transit time of an echo pulse also utilizing a laser and an optical a... | 09/20/2005 |
| 6943364 | Multi-functioned wafer aligner Disclosed is a multi-functioned wafer aligner comprising a multi-functioned unit performing a wafer centering operation, a wafer flat zone alignment, and a wafer damage detection, and a main processor deciding positions of the wafer centering operation and the wafer... | 09/13/2005 |
| 6941811 | Method and apparatus for detecting wafer flaw The present invention provides an apparatus for detecting flaws in a wafer. The apparatus has a detection platform for holding a wafer positioned thereon, a cross-bar ultrasonic detection device positioned above the detection platform for emitting and receiving an u... | 09/13/2005 |
| 6904818 | Internal riser inspection device An internal inspection unit for pipe has ultrasonic transducers that inspect weld volume, weld root, and wall thickness. The ultrasonic transducers are mounted to a portion of the inspection unit that is rotatable, but no more than one full revolution. One of the un... | 06/14/2005 |
| 6880387 | Acoustic micro imaging method providing improved information derivation and visualization A method for enhancing information derived from acoustically inspected samples comprises deriving an acoustic image of a sample, and generating a visual superposition of one or more additional images. The additional images are selected from the group consisting of a... | 04/19/2005 |
| 6745136 | Pipe inspection systems and methods A method for inspecting pipe, the method, in at least certain aspects, including detecting an inspection parameter in at least a first part of a pipe, the pipe having a length, a hollow body, an outer surface, and a generally circular pipe wall with an inner diamete... | 06/01/2004 |
| 6691576 | Thickness measuring device for cylindrical tank bottom plate Plural auxiliary carts 18 and 19 are connected to a measuring cart 11 in the width direction thereof which travels on a tank bottom plate 31 through universal joint mechanisms 26 and 27. Reflection type ultrasonic probes 22, 23 and coating film thickness ... | 02/17/2004 |
| 6684706 | Ultrasonic testing system A comprehensive system for the cleaning, inspection, and testing of tubulars, particularly riser pipes, is provided. In a first aspect, a method of inspecting a tubular comprises cleaning, visually inspecting, corrosion mapping, and TOFD testing the tubul... | 02/03/2004 |
| 6647792 | Ultrasonic probe, ultrasonic receiver and ultrasonic diagnostic apparatus An ultrasonic probe which does not require electric wiring to a large number of microcomponents and does not induce increase of crosstalk and electric impedance. This ultrasonic probe comprises an optical transmission path array incorporating a plurality ... | 11/18/2003 |
| 6612172 | Sol-gel tube crack detection apparatus and method A crack detection method and system capable of detecting cracks on a scale of about 5 μm or greater, useful for detecting cracks in sol-gel tubes. An electromagnetic radiation signal is transmitted from a sensor to a body in which cracking may occur. The... | 09/02/2003 |
| 6308571 | Method for determining crook potential in wood A method for determining crook potential of wood is described. One embodiment comprises nondestructively obtaining lengthwise shrinkage rates (from a third party or by direct measurement) of wood and then determining crook potential of the wood based on t... | 10/30/2001 |
| 6293152 | Method for determining twist potential in wood A method for determining twist potential of wood is described. One embodiment of the method comprises nondestructively obtaining a grain angle of wood, such as trees or lumber, and then determining twist potential of the wood based on the grain angle. Whe... | 09/25/2001 |
| 6269699 | Determination of actual defect size in cathode sputter targets subjected to ultrasonic inspection A method for determining actual size of internal target defects by ultrasonic inspection is provided in which the amplitude of signals generated by ultrasonic inspection are compared to metallurgical size measurements obtained through the use of optical m... | 08/07/2001 |
| 6253619 | Adjustable acoustic mirror An ultrasonic inspection element and method are provided for improved ultrasonic inspection of curved entry surface parts. The transducer element may be spherically focused, or have a flat surface. The transducer/mirror element combination is used to insp... | 07/03/2001 |
| 6230568 | Method and apparatus for ultrasonic inspection of inaccessible areas A method and apparatus which uses ultrasonic techniques to inspect critical pipe joints and other critical industrial areas that are normally inaccessible. A waveguide including one or more flexible fibers is embedded in concrete or whatever else embeds t... | 05/15/2001 |
| 6227036 | Multiple microphone photoacoustic leak detection and localization system and method A method and system for multiple microphone photoacoustic leak detection and localization. The leak detection technique uses photoacoustic sounds produced by the interaction of a carbon dioxide (CO2) laser turned to 10.6 microns and a photoactive tracer g... | 05/08/2001 |
| 6062084 | Apparatus for detecting wafer edge defects and method of using An apparatus for detecting defects in a wafer edge and a method for detecting are disclosed. In the apparatus, an ultrasonic detection unit is used to detect crazing or micro-cracks in a wafer edge, while a laser detection unit is used for detecting crack... | 05/16/2000 |
| 6006585 | Optoacoustic gas sensor In an optoacoustic gas sensor having a sensor body (1, 2), a light source (10), a measurement cell (6) with a gas-permeable membrane (15), a measurement microphone (13), and an optical measurement filter (11) between the light source (10) and the measurem... | 12/28/1999 |
