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| Number | Title | Issue Date |
| 7290444 | Measurement object for wind tunnel test A pressure sensitive paint is applied to the surface of a measurement object main body of a wind tunnel and is irradiated with an excitation light from a luminescent sheet and excited to generate phosphorescence so that an intensity of the phosphorescence that corre... | 11/06/2007 |
| 7280200 | Detection of a wafer edge using collimated light A system and method of inspecting a semiconductor wafer that may be employed to detect and to characterize defects occurring on an edge of the wafer. The wafer inspection system includes an optical module for providing a light source to scan the wafer edge, a light ... | 10/09/2007 |
| 7274812 | Image processing device and method In an image processing device capable of collectively estimating an object based upon results of plural times of inspection, regions (1(1)) and (1(2)) to be photographed are defined on opposite end portions of an object (w). When an image... | 09/25/2007 |
| 7262864 | Method and apparatus for determining grid dimensions using scatterometry A test structure includes a first plurality of lines and a second plurality of lines intersecting the first plurality of lines. The first and second pluralities of lines defining a grid having openings. A method for determining grid dimensions includes providing a w... | 08/28/2007 |
| 7221448 | Test cell for a noble gas polarizer The invention relates to a sample cell with a glass body comprising a gas inlet and a gas outlet and at least one orifice, a plane glass window is fused into the orifice, the shape and size of the window corresponds to the shape and size of the orifice, the orifice ... | 05/22/2007 |
| 7176272 | Pressure sensitive material A polymeric material which exhibits an optically detectable response to changes in pressure. The material includes an elastomer selected from the group of a polyurethane, a polyacrylate, and a silicone, in combination with a photochemical system. The photochemical s... | 02/13/2007 |
| 7170592 | Method of inspecting a sphere without orienting the sphere The present invention is directed to a method of inspecting a curved object comprising the steps of acquiring inspection image data of a curved object using a detector, generating adjusted image data by adjusting the inspection image data, and comparing the adjusted... | 01/30/2007 |
| 7155966 | Wind shear inducing soil stability measuring device An apparatus for measuring soil stability of a test surface comprising a housing defining an interior chamber, the housing having an open bottom wherein the housing is configured to be placed over the test surface proximate the open bottom. A means for generating wi... | 01/02/2007 |
| 7149341 | Wafer inspection apparatus A wafer inspection apparatus has a supporting means (10) for rotatably supporting a wafer (W) formed of a disk, a circumferential edge imaging means (40) for imaging a circumferential edge (S) of the wafer (W) that is supported by the supporting means ... | 12/12/2006 |
| 7102741 | Printing/inspection unit, method and apparatus for printing and/or inspecting and accepting/removing specified pellet-shaped articles from a conveyer mechanism A pellet-shaped article inspection unit is structured for use with a conveyer mechanism having a plurality of carrier bars, each carrier bar being structured to convey a plurality of pellet-shaped articles along a predetermined path. The article inspection unit incl... | 09/05/2006 |
| 7079239 | Ophthalmic lens transportation and inspection cell A method and apparatus for an inspection cell that allows contact lenses to be presented in a known orientation to an operator or vision system for inspection. The cell can be tipped to allow the inspected lens to be placed into a known pick-cup location upon passin... | 07/18/2006 |
| 7064314 | Concrete-dispensing counter for ready mix trucks A concrete-dispensing counter for ready mix trucks for measuring the volume of concrete discharged by a ready mix concrete truck. The concrete-dispensing counter for ready mix trucks includes a prime mover having a drum being rotatably mounted thereupon and also hav... | 06/20/2006 |
| 7057718 | Device and method for inspecting the transparent bottoms of bottles A method and a device of inspection of the transparent bottom of a bottle or similar item by using an optical system which shows the bottom of the bottle, for recording by a camera, in front of a surface which is illuminated by an illumination device, and the surfac... | 06/06/2006 |
| 7055363 | Method of calibrating a detector and calibration sphere for the same A method of calibrating a detector using a calibration object having a rounded surface and indicia is disclosed. The calibration object, when coupled with a detector and analyzer, assists in minimizing image distortion caused by misalignment of the detector relative... | 06/06/2006 |
| 7050162 | Optical metrology tool having improved contrast The subject invention relates to broadband optical metrology tools for performing measurements of patterned thin films on semiconductor integrated circuits. Particularly a family of optical designs for broadband optical systems wherein the ratio of illumination syst... | 05/23/2006 |
| 6984526 | Spectrophotometric method for determining the viability of a sample containing platelets A method and apparatus for characterizing the type of a blood sample and a variety of blood components are provided wherein a transmission spectrum of the sample is collected over a predetermined wavelength range. For blood typing, this spectrum is then compared wit... | 01/10/2006 |
| 6947588 | Edge normal process An edge inspection method for detecting defects on a wafer edge normal surface includes acquiring a set of digital images which captures a circumference of the wafer. An edge of the wafer about the circumference is determined. Each digital image is segmented into a ... | 09/20/2005 |
| 6919557 | Device for continuous movement of objects with symmetry, use for visual inspection and control A device for controlling a continuous movement of an object with symmetry of revolution (1) comprises a conveyor (5) having two parallel guides, (6) and at least one pair of belts (8) stretched on the guides, between and on which these ob... | 07/19/2005 |
| 6775013 | Method and apparatus for measuring displacement or motion error The degree to which a rotating object like a machine tool spindle undesirably wobbles in directions both transverse and parallel to its axis of rotation is measured preferably by providing a laser beam or other beam energy source which directs the beam toward a beam... | 08/10/2004 |
| 6653152 | Sensor disk having radial grooves and optical assaying method using same An optical assaying method and system having a movable sensor is described. In one aspect, the present invention is a sensing system having a rotating sensor disk coated with indicator dyes sensitized to a variety of substances. In this configuration the ... | 11/25/2003 |
| 6586172 | Device for treatment of biological fluids The present invention relates to a method and apparatus for effective inactivation of micro-organisms in fluids with relatively high absorbance so as to limit damage. The apparatus has a large diameter passage (2) flow-through UV radiation system with a s... | 07/01/2003 |
| 6468807 | Mixing method The invention relates to a method for carrying out mixing in a thin liquid layer, which is arranged between essentially parallel walls at a capillary distance from each other. The mixing is carried out by subjecting the walls to a motion essentially in th... | 10/22/2002 |
| 6441890 | Method and apparatus for timing intermittent illumination of a sample tube positioned on a centrifuge platen and for calibrating a sample tube-imaging system Centrifuged material layer volumes are measured and quantified during centrifugation of the material layers contained in a sample tube in a centrifuge assembly, which sample tube is disposed on a centrifuge platen. The material layers in the sample tube a... | 08/27/2002 |
| 6388740 | Method and apparatus for timing intermittent illumination of a sample tube positioned on a centrifuge platen and for calibrating a sample tube imaging system Centrifuged material layer volumes are measured and quantified during centrifugation of the material layers contained in a sample tube in a centrifuge assembly, which sample tube is disposed on a centrifuge platen. The material layers in the sample tube a... | 05/14/2002 |
| 6326213 | Acoustic standing-wave enhancement of a fiber-optic Salmonella biosensor A fluorescent fiber-optic biosensor system using ultrasonic concentration of particles and cells for the detection of Salmonella typhimurium. A biosensor test chamber serves as an ultrasonic standing-wave cell that allows microspheres or cells to be conce... | 12/04/2001 |
| 6317209 | Automated system for measurement of an optical property An apparatus for making automated measurements of an optical property of a sample includes a first stage which is movable along a predetermined line, a second stage for holding the sample, and a third stage which is movable along a predetermined line, cor... | 11/13/2001 |
| 6306670 | Tool for handling a workpiece A system for flipping a semiconductor workpiece on its thin edge for microscope inspection of a workpiece facet is disclosed. The system has a holding device attached to a handling block. The holding device picks a workpiece by one of its thin edges. The ... | 10/23/2001 |
| 6300142 | Device and apparatus for conducting an assay A apparatus for assaying glycated proteins and other analytes in biological samples such as blood, in which a sample is presented to the apparatus, includes an inlet port between moveable between first and second inlets, such that the inlet can be brought... | 10/09/2001 |
| 6277653 | Optical assaying method and system having movable sensor with multiple sensing regions An optical assaying method and system having a movable sensor is described. In one aspect, the present invention is a sensing system having a rotating sensor disk coated with indicator dyes sensitized to a variety of substances. In this configuration the ... | 08/21/2001 |
| 6245578 | Analytical apparatus An analytical apparatus comprises a biosensor device (3) which forms the base of a sample chamber. A stirrer (8) extends into the sample chamber and moves within the chamber so as to homogenize a sample contained within the chamber in contact with the bio... | 06/12/2001 |
| 6242267 | Oscillation apparatus and methods for multi-analyte homogeneous fluoro-immunoassays An apparatus and method for rapidly analyzing samples for analytes of interest by an homogeneous immunofluorescence assay. The apparatus includes a sample test cartridge having a high control sample section, a low control sample section, and at least one ... | 06/05/2001 |
| 6091503 | Method for determining mechanical property of resin discs and optical discs A mechanical property such as axial acceleration of an injection molded resin disc substrate or an optical disc comprising the same is determined by measuring a variation in radius or diameter of the substrate or disc in its circumferential direction, and... | 07/18/2000 |
| 6064475 | Real time local defocus monitor system using maximum and mean angles of focus correction An apparatus and method for determining local de-focus problems on a real time basis in a wafer exposure system. The distance of a wafer from an objective lens and rotation of the wafer about two orthogonal axis at each field position is adjusted to achie... | 05/16/2000 |
| 6049388 | Spectroscopic fluid sample cell A spectroscopic fluid sample cell for the transmission and detection of radiation with the key components being a housing; a centripetal acceleration chamber formed by the housing and extending through the housing for circulating a fluid through the housi... | 04/11/2000 |
| 6031933 | Method and apparatus for inspecting the outer appearance of a golf ball The outer appearance of a golf ball (1) having a multiplicity of dimples (9) in its surface is inspected for detecting a defect (10) on the ball surface, by illuminating light to the golf ball (1), rotating the golf ball at a constant speed in one directi... | 02/29/2000 |
| 6025906 | Methods and apparatus for detecting core/cladding interfaces in optical waveguide blanks Methods and apparatus for detecting air/cladding and core/cladding interfaces of blanks (13) used to produce optical waveguide fibers are provided. A beam of coherent light (30) is scanning across the blank (13) and spatial light intensity patterns produc... | 02/15/2000 |
| 5994150 | Optical assaying method and system having rotatable sensor disk with multiple sensing regions An optical assaying method and system having a movable sensor is described. In one aspect, the present invention is a sensing system having a rotating sensor disk coated with indicator dyes sensitized to a variety of substances. In this configuration the ... | 11/30/1999 |
| 5978091 | Laser-bump sensor method and apparatus An apparatus for measuring the height and diameter of laser-zone texture bumps on a rigid magnetic disk substrate is disclosed. The apparatus has a disk holder for supporting and rotating the substrate, and an optical beam-source assembly for directing a ... | 11/02/1999 |
| 5923431 | Spectroscopic helical separator and fluid sample interface A spectroscopic fluid sample apparatus for the transmission and detection of radiation with the key components being a housing; a helical bore formed by the housing and extending through the housing for conducting the sample fluid through the bore to indu... | 07/13/1999 |
| 5854682 | Method and apparatus for surface pressure mapping of rotating objects by synchronized optical imaging of luminescent coating The present invention provides a new synchronized optical method for measuring surface pressure on rotating objects such as propellers or other rotating objects. The technique is based on the phenomenon of oxygen quenching of luminescence coatings and syn... | 12/29/1998 |
