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7365839 Process and compositions for synthetic calibration of bio-photonic scanners  
A method, apparatus, and set of compositions are disclosed for calibrating a bio-photonic scanner. The scanner detects selected molecular structures of tissues, nondestructively, in vivo. The...
7361941 Calibration standards and methods  
Parameters of a metrology tool may be determined by measuring a dimension of a feature on a calibration standard with the tool and using the measured dimension and a known traceable value of the...
7359047 Device for checking or calibrating the angle-dependent alignment of a high-precision test piece  
The invention relates to checking or calibrating the angle-dependent alignment of a reference structure on a high-precision test-piece. A device comprises a plinth, and a retainer piece, rotatably...
7355695 Wavefront calibration analyzer and methods  
A wavefront sensor enhances calibration of a laser ablation system, such as a laser eye surgery system, by measuring one or more characteristics of an ablated test surface. Typically, light is...
7345773 Movable-type flatness measurement apparatus  
In a flatness measurement apparatus, a sensor unit having a flatness-detection sensor is slidable along the linear guide rail. A support system supports the linear guide rail such that the linear...
7339665 Calibration source for calibrating spectroradiometer, calibration method using the same, and calibration system  
A spectroradiometer is calibrated by a calibration source including a plurality of monochromatic sources for emitting monochromatic rays having different wavelengths from each other, respectively;...
7317523 Method for calibrating a metrology tool and a system  
A method for calibrating a metrology tool, the method includes: determining a relationship between an upper portion of a milled reference structural element and between a lower portion of the...
7315368 Spectra generator for test and calibration  
A spectra generator having an electrically programmable diffraction grating. There may be a broad band light source that emits light which is diffracted by the grating. Diffracting elements in the...
7307715 Method for the formation of a structure size measured value  
The structure size of a structure ( 100 ) is measured by forming an auxiliary measured value (Dx′, Dy′). A calibration measured value (Px′, Py′) is determined on the basis of a calibration...
7301638 Dimensional calibration standards  
A calibration standard, for calibrating lateral or angular dimensional measurement systems, is provided. The standard may include a first substrate spaced from a second substrate. The standard may...
7262842 Device for referencing fluorescence signals  
The invention relates to a device for referencing fluorescence signals and/or calibration of fluorescence detection systems, whereby the device comprises an essentially non-fluorescing support, on...
7248356 Calibration aid  
A calibration aid may be assembled as follows. First, the standard reference substance is prepared by dissolving ICG dye and albumin protein in water. Then, the carrier sheet of fleece material is...
7241399 Synthesis of nanoparticles  
Methods for the preparation of inorganic nanoparticles capable of fluorescence, wherein the nanoparticles consist of a host material that comprises at least one dopant. The synthesis of the...
7236241 Method of making a standard tool for calibrating stress analysis measuring devices and a set of the standard tools  
A method of making a standard tool for calibrating polarimeters that analyze stress in photoelastic material, includes the steps of partially annealing a starting piece of tempered glass so that...
7230696 Calibration of instruments for measuring the permeability of a material  
A system that calibrates instruments for measuring the light or air permeability of a material, and includes a calibration target which can be used for calibration of either light-based or...
7227629 Calibration tool for an optical measuring device with an optical fiber probe  
An optical measurement device calibration tool includes an optical probe suitable for calibrating various optical imaging devices, for example, low coherence reflectometers and optical coherence...
7193701 Gray optical standard  
A system for providing and using a gray optical standard is disclosed, the standard generally comprising a housing having a cavity and an at least partially transparent portion adjacent to the...
7180607 Method and device for calibrating a measuring system  
A measuring system including a measuring device with a laser tracker and an opto-electronic sensor having fixed positions relative to one another and an auxiliary measuring tool with a reflector...
7151597 Optical wavelength standard and optical wavelength calibration system and method  
The optical wavelength standard comprises a diffraction grating having a diffractive surface, an input arrangement and an output optical arrangement. The input optical arrangement is located to...
7115232 Fluorescence validation microplate and method of use  
A fluorescence validation microplate for testing the validity of a fluorometer is provided which can efficiently and cost-effectively test fluorometers to determine linearity, alignment,...
7106435 Hyperspectral scene generator and method of use  
A hyperspectral scene generator generates a projected linear scene where the spectral characteristics at each location that forms the scene are dynamically and arbitrarily controllable. The...
RE39268 Simulation for pulse oximeter  
A method and system for simulating living tissue which is to be monitored by a pulse oximeter that provides red and infrared light flashes, the system including structure for: converting the red...
7099015 Fiber optic sensing device for measuring a physical parameter  
A fiber optic sensing device uses a Fabry-Perot cavity to sense a physical parameter. The cavity modulates the incident polychromatic light. The modulated light is recorded by an optical...
7084386 System and method for light source calibration  
A light source calibration target has a surface in view of a camera of an image capture system, The target includes a substrate having a substantially Lambertian surface, a visually distinct...
7075636 Apparatus and methods for evaluating performance of endoscopy devices and systems  
A test and measurement system to assess performance characteristics of an endoscope or other optically based diagnostic or treatment devices. The performance characteristics can include the...
7068366 Simulated calibration sample for a spectrographic measurement sensor and method for use  
A simulated calibration and verification reference sample for a measurement system including a blackbody radiation source and a spectrographic sensor is disclosed. By providing a simulating...
7061608 Apparatus and method for calibration of spectrophotometers  
An apparatus and related method for optical calibration of spectrophotometers is described. The apparatus is a calibration plate including one or more cuvettes filled with solutions of interest....
7054000 Method of calibration of magnification of microscopes having different operational principles for bringing them into a single, absolute scale  
A method of calibration of magnification of a microscope with the use of a diffraction grating has the steps of determining a mean period of a diffraction grating by irradiating the diffraction...
7016032 Device for the calibration of an optical detection channel for the two-dimensional measurement of multi-specimen carriers  
The invention is directed to a device for calibrating an optical detection channel for a two-dimensional, spatially dependent measurement of fluorescent or luminescent radiation in multi-specimen...
6993179 Strapdown system for three-dimensional reconstruction  
The shape of a three-dimensional object is determined from uncalibrated stereo images by first determining the projection of the point on a reference plane. The distance of each point from the...
6989896 Standardized sample for characterizing the performance of a scatterometer  
A standardized sample for scatterometry includes four quadrants each including an inner block surrounded by four outer blocks. A pattern of gratings is repeated within each of the blocks using...
6956649 Spectroscopic system and method using a ceramic optical reference  
A ceramic reference in conjunction with a spectrometer, a metallized ceramic material, and a method of utilizing a ceramic material as a reference in the ultraviolet, visible, near-infrared, or...
6954681 Board align image acquisition device with improved interface  
An electronics assembly system includes an image acquisition system that is coupled to a controller through an improved interface. The coupling facilitates advanced monitoring and control of the...
6917422 Device for reference measurement and photometric correction in non-invasive glucose measurement using near infrared spectroscopy  
The present invention provides a photometric reference member comprising PTFE and glass. The member exhibits an absorbance change of less than 0.0001 absorbance units per degree C. over a range of...
6912049 Electromagnetic radiation attenuating and scattering member with improved thermal stability  
The present invention provides a thermally stable reference member comprising, at least one radiation attenuating element and at least one radiation scattering element. The radiation attenuating...
6842241 Method for checking the operation of an optical measuring device and checking device  
A method for checking the operation of a laboratory instrument used in biochemistry by means of an individual test plate ( 10 ) by comparing measured values of sample units ( 20, 21 ) placed in the...
6836323 Spatial reference system  
The present invention overcomes the disadvantages of the related art by providing a spatial reference system that includes at least one artifact assembly. The artifact assembly has a measuring bar...
6833912 Apparatus for testing the state of an endoscope  
An apparatus for testing the state of the optical system of an endoscope comprises a first supporting device for the endoscope, a test pattern and a second supporting device for the test pattern,...
6822748 Calibration for 3D measurement system  
Calibration techniques are disclosed for determining the rigid-body coordinate transformation that will precisely align the coordinate frame of a laser scanner with the coordinate frames of several...
6810279 Hyperspectral imaging calibration device  
Hyperspectral imaging calibration devices and methods for their use are described that generate images of three dimensional samples. A calibration device may assume the shape of a desired imaging...
6809865 ITU frequency/wavelength reference  
A wavelength reference (10) including at least one gas-tunable etalons (12). Each etalon (12) has first and second reflective surfaces (20,22), making a reflecting surface pair (23). Each...
6744499 Calibration methods for placement machines incorporating on-head linescan sensing  
A method of calibrating a pick and place machine having an on-head linescan sensor is disclosed. The calibration includes obtaining z-axis height information of one or more nozzle tips via focus...
6721054 Method and apparatus for determining the reflectance of translucent objects  
A method for accurately measuring the reflectance of translucent objects by illuminating small areas of the object is disclosed. The method involves determining the lateral diffusion error by use...
6710798 Methods and apparatus for determining the relative positions of probe tips on a printed circuit board probe card  
A probe card inspection system uses a fiduciary plate having a plurality of targets deposited thereon by photolithography and vapor deposition. A plurality of semiconductor probe card probe tips...
6704102 Calibration artifact and method of using the same  
A calibration artifact and a method of calibrating a machine vision measurement system. The calibration artifact includes a substrate and a number of concentric rings on one surface of the...
6681151 System and method for servoing robots based upon workpieces with fiducial marks using machine vision  
A system and method for servoing robot marks using fiducial marks and machine vision provides a machine vision system having a machine vision search tool that is adapted to register a pattern,...
6678061 Method of calibrating the optical system of a laser machine for processing electrical circuit substrates  
To calibrate the optical system of a laser machine having a laser source, a deflecting unit and an imaging unit, firstly a first sample plate is arranged in the focal plane of the imaging unit,...
6661963 System and method for calibrating and operating a semiconductor variable optical attenuator  
A method and apparatus for controlling the attenuation level of a semiconductor VOA relative to an absolute temperature of the VOA without the use of a power monitor is provided. The method...
6657717 Device for verifying the accuracy of a spectral analyzer  
The present invention provides an artificial member ( 80, 210 ) which mimics the absorbance spectrum of a body part and includes the spectral components of blood analytes. The artificial member...
6646737 Submicron dimensional calibration standards and methods of manufacture and use  
A calibration standard which may be used to calibrate lateral dimensional measurement systems is provided. The calibration standard may include a first substrate spaced from a second substrate. In...
Matches 1 - 50 out of 269 1 2 3 4 5 6 >