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| Number | Title | Issue Date |
| 8120002 | Multi-color biosensor for detecting luminescence sites on a substrate having a refractive optical element for adjusting and focusing at least two incident irradiation beams of different wavelengths A detection system for detecting luminescence sites on a substrate and including an irradiation unit for generating at least one excitation irradiation beam for exciting luminescence sites on the substrate; a first optical element, e.g. refractive element adapted fo... | 02/21/2012 |
| 8101935 | Inspection apparatus and inspection method Reflected light caused by the state of the surface of a wafer, a foreign material or a defect is superimposed on a haze frequency component caused by the type and thickness of a film or a surface irregularity. It has therefore been difficult to accurately measure th... | 01/24/2012 |
| 8089058 | Method for establishing a wafer testing recipe A method and a system for establishing a wafer testing recipe are disclosed. The method may include acquiring images of a number of dice from a produced wafer; using at least part of the images to compose a reference-image; defining on the reference-image multiple â... | 01/03/2012 |
| 8035093 | Movable media tray with position reference marks A printing system includes a movable tray for holding recording media. The movable tray includes spaced-apart reference marks for determining distance traveled by the tray. A reference-mark optical detector is positioned to provide a field of view through which the ... | 10/11/2011 |
| 8026501 | Method of removing or deposting material on a surface including material selected to decorate a particle on the surface for imaging A method that may be applied to imaging and identifying defects and contamination on the surface of an integrated circuit is described. An energetic beam, such as an electron beam, may be directed at a selected IC location having a layer of a solid, fluid, or gaseou... | 09/27/2011 |
| 8026500 | Paper carrying device, document scanning apparatus, and printing apparatus that detects error of sensor output signal A paper carrying device includes a carrying path, a light sensor, a contact sensor, and a judgment section. Both of the light sensor and the contact sensor output a presence-signal indicating that paper exists at a predetermined position in the carrying path or an a... | 09/27/2011 |
| 8017928 | LED fluorometer with remote detection capability A fluorometer comprising an excitation system including an excitation source for producing excitation light capable of causing fluorescence in fluorescent material; and a detection system for detecting said fluorescence. The excitation source comprises one or more l... | 09/13/2011 |
| 7968859 | Wafer edge defect inspection using captured image analysis A wafer edge defect inspection method and apparatus for use in an integrated circuit fabrication system includes an image capturing device for capturing images of the edges of wafers, a database in which the images are stored and accessible for analysis and a comput... | 06/28/2011 |
| 7880156 | System and method for z-structure measurements using simultaneous multi-band tomography A method includes simultaneously illuminating a material using multiple first radiances and measuring multiple second radiances from the material. Each second radiance includes at least a portion of two or more first radiances that have interacted with the material.... | 02/01/2011 |
| 7875870 | Recording medium type identification device with optical sensors According to the present invention, during identification of recording medium type, positioning of a recording medium at a measurement position for measuring the recording medium is facilitated, and the number of sensors for measuring the recording medium is reduced... | 01/25/2011 |
| RE41924 | Method and system for machine vision-based feature detection and mark verification in a workpiece or wafer marking system A system and method for inspecting machine readable marks on one side of a wafer without requiring transmission of radiant energy from another side of the wafer and through the wafer. The wafer has articles which may include die, chip scale packages, circuit pattern... | 11/16/2010 |
| 7804079 | Method and apparatus for using imperfections and irregularities in optical media for identification purposes A method for using optical media for identification purpose including the steps of exposing a portion of the optical media to a source of radiation; detecting an imperfection in the portion of the optical media; and, quantifying the imperfection to create a unique i... | 09/28/2010 |
| 7791055 | Electron induced chemical etching/deposition for enhanced detection of surface defects A method of imaging and identifying defects and contamination on the surface of an integrated circuit is described. The method may be used on areas smaller than one micron in diameter. An energetic beam, such as an electron beam, is directed at a selected IC locatio... | 09/07/2010 |
| 7777211 | Substantially transparent object detection system and method A system for detecting the presence of a substantially transparent object includes a radiation source producing radiation at a predetermined bandwidth, and a radiation receiver is positioned to receive radiation from the radiation source. An opening is formed betwee... | 08/17/2010 |
| 7763876 | Gloss and differential gloss measuring system A system is provided for measuring gloss and spatial dependence of gloss. In a first embodiment, the system comprises: a first illuminator configured to emit a first light beam at a point on a target, thereby producing a generally specular reflectance in a first dir... | 07/27/2010 |
| 7750330 | Device and method for identifying recording medium and image forming apparatus An identification device operable to identify a type of a recording medium includes an irradiation unit configured to irradiate the recording medium with light, a reading unit configured to read the light that is irradiated from the irradiation unit and that is refl... | 07/06/2010 |
| 7732797 | Detection device and method for detecting objects subject to cyclic or repetitive motion A device and method for detecting the presence or absence of an object which has repetitive motion are disclosed comprising, a receiver for receiving a signal from the object, and circuitry for determining the presence or absence of the object to be detected, wherei... | 06/08/2010 |
| 7655936 | Optical sensor and image forming apparatus that processes specular reflection light An optical sensor includes at least one light emitting unit that emits a light, a first light receiving unit that receives specular reflection light from an illumination object when the light is incident on the illumination object with an incidence angle and specula... | 02/02/2010 |
| 7652276 | Defect inspection method, defect inspection apparatus having a mounting table with a substrate thereon and an image pickup device are relatively moved for capturing the image of the substrate, and computer readable storage medium storing a program for performing the method In the present invention, an image pickup device moving by drive of a drive unit picks up an image of a substrate on a mounting table. The drive unit is controlled by a driving signal from a first controller. The driving signal outputted to the first controller is o... | 01/26/2010 |
| 7629602 | Apparatus and method for detecting overlapping flat objects with a doubles detector and electronic images of first and second flat sides of an object An apparatus for detecting overlapping flat objects, wherein each object has flat sides and narrow sides, includes a doubles detector configured to derive at least one feature of an object, a first imaging unit configured to produce an electronic image of a first fl... | 12/08/2009 |
| 7622728 | Device for optoelectronic monitoring of objects and detecting of light beams scattered at a faceplate A device for optoelectronic monitoring of an object (26) contains a transmitting unit (12) and a receiving unit (14) that are located in a housing (10) covered by a faceplate (16). The transmitting unit (12) emits light beam... | 11/24/2009 |
| 7582888 | Reflection type optical sensor and method for detecting surface roughness A reflection type optical sensor can include a light emitting and receiving unit. The light emitting and receiving unit can include both a light emitting unit and a light receiving unit having light receiving sensitivity to light emitted from the light emitting unit... | 09/01/2009 |
| 7569843 | Method for processing receiver signal and optical sensor The invention relates to a method for processing a receiver output signal, as well as to an optical sensor. The first method step relates to storing the course of a receiver output signal. In a second method step, the receiver output signal is scanned in a predeterm... | 08/04/2009 |
| 7566894 | Device and method for the quantified evaluation of surface characteristics A device for the quantified evaluation of surface characteristics including a first radiation structure which is arranged in a first predetermined angle with respect to a surface to be analyzed and which directs radiation onto the surface to be analyzed, wherein the... | 07/28/2009 |
| 7538336 | Automatic identification of reagent test strips using reflectance values Identifying a test product having a test region includes impinging on the test region a set of test signals at known test wavelengths. An image of the test region is generated from the reflected signals. The image is comprised of a set of reflectance values that are... | 05/26/2009 |
| 7511293 | Scatterometer having a computer system that reads data from selected pixels of the sensor array Scatterometers and methods of using scatterometry to determine several parameters of periodic microstructures, pseudo-periodic structures, and other very small structures having features sizes as small as 100 nm or less. Several specific embodiments of the present i... | 03/31/2009 |
| 7507981 | System for identifying a characteristic of a printing media A system for identifying a characteristic of a printing media includes a light source module that has a light emitting diode (LED) and an aspheric lens and a light detection module that has a photodetector and an aspheric lens. The light source module and light dete... | 03/24/2009 |
| 7491958 | Radiographic inspection system for inspecting the contents of a container having dual injector and dual accelerating section A radiographic inspection system for inspecting subject objects using charged particle beams having pulses of charged particles with different energy levels from pulse to pulse. A phase shifter thereof enables adjustment of the RF power delivered to first and second... | 02/17/2009 |
| 7473920 | Measuring device and method for verifying the cut quality of a sheet using image scanning A measuring device and measuring method are provided for testing the cut quality of a sheet. The measuring device is provided with a transparent scanning substrate for holding the sheet, a scanning device with a scanning window, and a cover for covering the sheet he... | 01/06/2009 |
| 7459712 | Method and apparatus of measuring pattern dimension and controlling semiconductor device process having an error revising unit A method of measuring pattern dimensions includes evaluating a relationship between cross-sectional shapes of a pattern and measurement errors of a pattern in a specified image processing technique, and conducting an actual measurement in which dimension measurement... | 12/02/2008 |
| 7453080 | System for locating a physical alteration in a structure and a method thereof There is provided a system and method for locating a physical alteration, if such exists, in a structure having a substantially planar surface comprising a plurality of elements capable of scattering electro-magnetic radiation and openings arranged between the eleme... | 11/18/2008 |
| 7442951 | Reticle for use in rapid determination of average intrafield scanning distortion having transmissivity of a complementary alignment attribute being different than the transmissivity of at least one alignment attribute A method and apparatus for determining lens distortion in a projection imaging tool are described. The techniques include exposing at least one alignment attribute onto a substrate having a recording media. A complementary alignment attribute is also exposed onto th... | 10/28/2008 |
| 7439534 | Reflected light intensity ratio measuring device, device for measuring light energy absorption ratio and heat treatment apparatus A measuring optical system for emitting and receiving light is fixedly installed in a ceiling portion of a measuring device, and a wafer holding part for supporting a semiconductor wafer is provided in a bottom portion of the measuring device. A support table is hor... | 10/21/2008 |
| 7435986 | System and method for detecting repeating defects in a light-management film A system and a method for detecting defects in a light-management film are provided. The system includes a first light source configured to emit light onto a first side of the film in a first predetermined region of the film. The system further includes a second lig... | 10/14/2008 |
| 7429744 | Reduced cost and complexity media recognition system with specular intensity light detector Media type is detected. A light beam is produced. The intensity of a specular reflectance component of the light beam is detected. The specular reflectance component results from the light beam being reflected off media. An indication of detected intensity of the sp... | 09/30/2008 |
| 7427768 | Apparatus, unit and method for testing image sensor packages The present invention relates to an apparatus, unit and method for testing image sensor packages, which can automatically test whether the image sensor packages are defective before they are assembled into camera modules. An apparatus for testing image sensor packag... | 09/23/2008 |
| 7427767 | Apparatus for identifying the condition of a conveyor belt An apparatus for identifying the condition of a conveyor belt (6) has a capturing device (12) which can be used to capture two-dimensional images (B) of successive belt sections (15) of the conveyor belt (6) during operation of the convey... | 09/23/2008 |
| 7423752 | Method for detecting nocturnal fog and system for implementing the method The invention concerns a system and method for detecting, at night, the presence of an element such as fog interfering with the visibility of a road scene situated in front of a vehicle, comprising the following operations: acquiring an image of the road scene, extr... | 09/09/2008 |
| 7411207 | Method and its apparatus for inspecting particles or defects of a semiconductor device An apparatus for inspecting particles and/or pattern defects of an object under inspection. Data processing means obtains information on size of the particles and/or the pattern defects from an intensity of the scattered light detected by the light detecting means b... | 08/12/2008 |
| 7408180 | Compensation apparatus for image scan A compensation apparatus for image scan, applied to an optical scanner with a platform, on which an object to be scanned is disposed. The optical scanner has a photosensitive apparatus with a set of scan photosensitive devices and a storage apparatus. When the objec... | 08/05/2008 |
