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| Number | Title | Issue Date |
| 7502116 | Densitometers and methods for measuring optical density Methods for measuring optical density are described. The color on an area is determined. Based on the color, at least a first illumination source is selected. The area is illuminated with the selected illumination source. Radiation is received from the area, and the... | 03/10/2009 |
| 7430046 | Pathogen and particle detector system and method A particle detector has a sample area of cross section no in excess of about 2 mm for containing environmental fluid, a light source on one side of the sample area for directing a collimated or nearly collimated beam of light through the sample air or water so that ... | 09/30/2008 |
| 7373213 | Management system and apparatus, method therefor, and device manufacturing method A management apparatus which manages a parameter for an industrial device acquires AGA measurement results obtained by operating the industrial device with an operation job parameter value and non-operation job parameter value. An inspection apparatus acquires an â€... | 05/13/2008 |
| 7292393 | Variable illuminator and speckle buster apparatus Disclosed is an apparatus for illuminating a sample. In one embodiment, this apparatus includes a laser for outputting an incident laser beam towards a sample and a first diffractive element having a plurality of diffraction pattern portions. The first diffractive e... | 11/06/2007 |
| 7266994 | Measuring particulate in liquid storage tanks This device provides for measuring the particulate content in a fluid storage tank. A sample of fluid is taken from a fluid storage tank; and compared to a field visual reference chart. Using this chart results in identifying tanks containing a maximum or average pa... | 09/11/2007 |
| 7151603 | Overhead transparency clarity simulator A method and apparatus for evaluating the scattering properties of a transparency image comprises projecting radiation through the transparency image to form a transmitted beam of radiation; splitting the transmitted beam of radiation into at least two distinct beam... | 12/19/2006 |
| 7113627 | Location of extended linear defects A method of locating a linear defect on a photographic element, the element having a useful imaging width and the defect aligned with length of the element, includes the steps of: exposing a region of the element to create a latent image which is substantially unifo... | 09/26/2006 |
| 7072498 | Method and apparatus for expanding the use of existing computer-aided detection code A method and apparatus for analyzing a medical image obtained from one of a plurality of digital modalities, the method comprising transforming or mapping the initial medical image to create a uniform contrast response and appearance regardless of the original modal... | 07/04/2006 |
| 7069104 | Management system, management apparatus, management method, and device manufacturing method A management system including an acquisition device for acquiring actual processing results obtained by operating an industrial device with a set parameter value and another parameter value, and an estimated processing result, an inspection device for inspecting the... | 06/27/2006 |
| 7046352 | Surface inspection system and method using summed light analysis of an inspection surface The present invention discloses methods of conducting surface inspections using summed light. One method includes the steps of measuring summed light intensity values for the substrate, generating comparison values for the substrate, and then comparing the measured ... | 05/16/2006 |
| 7035437 | Image reading apparatus The image reading apparatus for photoelectrically reading an original image includes an image reading device and a detection device. The image reading device has first reading unit for reading a visible image carried by the original image and a second reading unit f... | 04/25/2006 |
| 7010380 | Management system, management method and apparatus, and management apparatus control method A system which manages a plurality of semiconductor exposure apparatuses holds TIS information representing the characteristics of the respective semiconductor exposure apparatuses. In a semiconductor exposure apparatus, a parameter value is optimized on the basis o... | 03/07/2006 |
| 6992767 | Management system, apparatus, and method, exposure apparatus, and control method therefor An exposure apparatus performs AGA measurement by using a predetermined sample shot group formed on a wafer, and decides an alignment parameter. The exposure apparatus executes wafer alignment processing and exposure processing by using the alignment parameter. The ... | 01/31/2006 |
| 6956695 | System and method for increasing the contrast of an image produced by an epifluorescence microscope The contrast of an image produced by epifluorescence microscopy may be increased by placing a high-pass dichroic reflecting film behind the sample. The reflecting film reflects the emission light emitted by the fluorescent tags in the sample back through the objecti... | 10/18/2005 |
| 6927859 | Microdensitometer system with micrometer resolution for reading radiochromic films Radiation dose deposited on a radiochromic film is considered as a dose image. A precise image extraction system with commensurate capabilities is required to measure the transmittance of the dose image and correlate it with radiation dose. The disclosed microdensit... | 08/09/2005 |
| 6903824 | Laser sensitometer An optical apparatus. More particularly, a laser sensitometer. The apparatus comprises: a polarized light source adapted to provide a Gaussian beam of light directed along an optical axis; a rotatable polarizer disposed in the optical axis adapted to vary an intensi... | 06/07/2005 |
| 6897958 | Apparatus and method for inspecting light transmittable material In an inspection device, an inspection light projector and an auxiliary light emitter respectively project an inspection light and auxiliary light onto a position of a filmstrip. After transmitting the filmstrip, the inspection light is received by a defect detector... | 05/24/2005 |
| 6661518 | Analysis machine for analyzing a cleanness condition of perforated transparent strips An analysis machine for analyzing the cleanness condition of perforated strips enables a direct non-destructive measurement, without image conversion, of pollution by particles on the surface of plastic strips that are relatively transparent and perforate... | 12/09/2003 |
| 6559939 | Method of high throughput haze screening of material Disclosed are apparatus and associated methods for determining haze for various materials. More particularly, an efficient, high throughput screening methodology for the determination of haze of a plurality of materials is provided whereby contrast reduct... | 05/06/2003 |
| 6522385 | Air shower head of photolithography equipment for directing air towards a wafer stage An air shower head of an exposure device of photolithography equipment is free of chemical substances that could otherwise contaminate a photoresist layer on a semiconductor wafer and degrade the profile of the photoresist pattern. The air shower head is ... | 02/18/2003 |
| 6509575 | Method and apparatus for polarization filtered x-ray film scanning recording An imaging recording method and an apparatus for its implementation, including applying a light to an image to produce imaged light, passing the imaged light through a filter unit to provide filtered light, and recording the filtered light on an optical d... | 01/21/2003 |
| 6476910 | Light scattering apparatus and method for determining radiation exposure to plastic detectors An improved system and method of analyzing cumulative radiation exposure registered as pits on track etch foils of radiation dosimeters. The light scattering apparatus and method of the present invention increases the speed of analysis while it also provi... | 11/05/2002 |
| 6236461 | Laser sensitometer using multiple-prism beam expansion and a polarizer An electro-optical apparatus particularly suitable for exposing a sample of light sensitive material to provide a graded series of exposures of different intensity levels. The apparatus includes a light source, beam shaping optics, and a rotatable polariz... | 05/22/2001 |
| 6128090 | Visual control strip for imageable media A visual control strip for imageable media such as a printing plate, a photographic film or a printable substrate is described wherein the visual control strip is to be applied to the imageable medium. The control strip includes a plurality of first contr... | 10/03/2000 |
| 6058202 | Method of determining exposure condition of photograph A histogram of densities represented by image signal components of an image signal obtained by reading out an image from a photographic film is created. The density at a particular point on the histogram and the dynamic range of the image signal are obtai... | 05/02/2000 |
| 6035148 | Shuttering system for a sensitometer A shuttering system for a sensitometer is taught which can be used both conventional and high speed exposures. The shuttering system includes a high speed rotating sector shutter, a rotating capping sector shutter, a mask and a sample transport all of whi... | 03/07/2000 |
| 5875022 | Film image detection device and method There is provided a film image detection method, comprising the steps of measuring densities at a large number of measurement points arranged along a first direction and a second direction crossing the first direction in a measurement area including an im... | 02/23/1999 |
| 5753930 | Device for translating negative film image to a line scan A negative film reader records high-resolution optical density changes across negative film radiographic images to allow precise image dimensions to be determined. A laser light source capable of high-resolution focusing is passed through an intensity con... | 05/19/1998 |
| 5686210 | Identification of image-forming material type Described herein is a method and apparatus for identifying image-forming material type, particularly photographic material types. The method comprises illuminating a sample of the material at a plurality of wavelengths and measuring the density at each of... | 11/11/1997 |
| 5677762 | Apparatus for illumination stabilization and homogenization An illumination device provides temporally, spatially and angularly stable illumination for microscopic evaluations. An arc lamp serves as the light source. An input optical train gathers and focuses the light through an aperture stop to place an image of... | 10/14/1997 |
| 5673098 | Feed device for motion picture film and device for detecting abnormalities in perforations A controller uses image processing to detect any abnormalities in the shape and distance of the perforations of a motion picture film by means of image data obtained upon imaging the perforations of the running motion picture film by a video camera in a s... | 09/30/1997 |
| 5664252 | Apparatus for use in optimizing photographic film developer apparatus To provide a standard for determining an objective level of performance of photographic film developer processes, a production sensitometer, of the type commonly used in the field, is correlated with a high precision, master sensitometer, defined as a sta... | 09/02/1997 |
| 5617213 | Spot microdensitometer for spectral density analysis of film A spot densitometer system comprising a viewing assembly, a photodetection apparatus optically connected to the viewing assembly, and a computer interface electrically connected to the photodetection apparatus. The viewing assembly comprises a flat spectr... | 04/01/1997 |
| 5571643 | Spectrophotometric quantitation of images in X-ray film and electrophoresis gel bands Images comprised of silver such as X-rays and electrophoresis gel bands, wherein the size and darkness of the image provides useful information, are quantitated utilizing a spectrophotometer to quantify the silver which comprises the image. An image is is... | 11/05/1996 |
| 5543883 | Calibration of sensitometers Sensitometers are used for monitoring photographic and radiographic processes, and then making it possible to control these processes. However, although it is relatively straightforward to obtain control strips for individual sensitometers, it is often di... | 08/06/1996 |
| 5506656 | Method of and apparatus for measuring the optical density of a photographic negative A method of and apparatus for measuring the optical density of an original, especially a three-color negative, from which photographic prints are made, to control how much printing light of each color penetrates the original when the image is projected on... | 04/09/1996 |
| 5436979 | Process for detecting and mapping dirt on the surface of a photographic element A method and associated apparatus for detecting the amount, size, shape, and location of anomalies, such as dirt and scratches, on the surface of a test photographic element after the application of a cleaning procedure and for objectively determining the... | 07/25/1995 |
| 5427878 | Semiconductor wafer processing with across-wafer critical dimension monitoring using optical endpoint detection A method for across-wafer critical dimension uniformity performance monitoring in the manufacture of semiconductor devices employs a number of optical endpoint detectors at sites at the wafer face which are spaced across the wafer face. Each optical endpo... | 06/27/1995 |
| 5369285 | Method and apparatus for optical detection of cleaning medium in an information storage drive A system (20) and method for identification of medium (41) inserted into an information storage drive optically determines whether the medium is cleaning medium by determining the translucency of the medium. The system includes a dual infra-red LED light ... | 11/29/1994 |
| 5283636 | Image reader and image reading method The present invention relates to an image reader, such as a color image scanner, which can enhance outline of shapes that occur in an original image 2. The image reader in accordance with the present invention comprises a main-aperture board set 102 at a ... | 02/01/1994 |
