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8170277 |
Automatic tracking apparatus and automatic tracking method
An automatic tracking apparatus is provided, which is capable of solving a failure occurred in an automatic tracking operation in connection with a zooming operation, and capable of tracking an...
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8134694 |
Detection of chemical vapor deposition grown diamond
Diamonds may be identified as grown by the use of chemical vapor deposition. One or more diamonds may be placed on a surface and exposed to short wavelength light. Diamonds that fluoresce red may...
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8120758 |
Fast UV-VIS-NIR absorption spectrometer system and method
A method and system for evaluating a colored gem stone which has been cooled to below a designated temperature are provided. The system includes a cooling unit configured to support and cool a gem...
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8116552 |
Apparatus for generating data for determining a property of a gemstone and methods and computer programs for determining a property of a gemstone
A method of capturing data for gemstone analysis is provided. The method includes capturing images of the gemstone under differing lighting conditions, and comparing the captured images.
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8098369 |
Systems and methods for the evaluation of scintillation in gemstones
Systems and methods, for the evaluation, grading, and presentation of evaluation results, of the scintillation of gemstones, such as diamonds. Specifically, there are discussed systems and methods...
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8098368 |
Method for evaluation of a gemstone
A method of determining the position of inclusions in a gemstone, comprising: (a) placing the gemstone within a material having a refractive index within 0.5, optionally 0.2 or 0.1, of that of the...
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8095325 |
System and method for gemstone cut grading
A system for grading the cut of a diamond utilizes a number of appearance metrics to generate scores for a number of cut components that affect cut quality. These cut components include brightness,...
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8035807 |
Engraved gemstone viewer
The present invention is an engraved gemstone viewer for viewing a smooth surface of a gemstone that has been micro or nano etched, engraved or embossed with an inscription such as an...
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8030077 |
Non-linear optical imaging of protein crystals
Methods for detecting and evaluating the quality of protein crystals are provided comprising subjecting a sample to second order non-linear optical imaging and detecting the second harmonic...
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8023108 |
Crystallographic orientation measurement
A method is disclosed for measuring the crystallographic orientation of a component cast by a directional solidification process. The method comprises the steps of: illuminating at least a region...
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7964417 |
Method of measuring degree of crystallinity of polycrystalline silicon substrate, method of fabricating organic light emitting display using the same, and organic light emitting display fabricated using the same
A method of measuring a degree of crystallinity of a polycrystalline silicon substrate includes obtaining a Raman spectrum graph by irradiating a polycrystalline silicon substrate with a laser...
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7955607 |
Method of evaluating evenness of suplatast tosilate crystal, even crystal, and process for producing the same
Provided are a method for evaluating evenness of suplatast tosilate crystals; stable suplatast tosilate crystals exhibiting evenness in optical purity; and a method for producing the suplatast...
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7931384 |
Method and apparatus for object viewing, observation, inspection, identification, and verification
In an object verifier having a housing and an object holder, an object may be placed in the object holder for observation by an operator. The object is illuminated using a collimated beam of white...
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7876424 |
Distance estimation based on image contrast
The determination of an apparent distance between an object and a surface is disclosed. One disclosed embodiment comprises illuminating the object with a spatially inhomogeneous irradiance from the...
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7800741 |
Method for evaluation of a gemstone
An apparatus for determining location of at least one inclusion in a gemstone having a first refractive index, comprising: a container adapted for containing a material having a second refractive...
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7800740 |
Method and apparatus for identifying and characterizing objects based on fluorescence
A method and apparatus for characterizing objects. The method includes the steps of illuminating the object with incident red light having at least some wavelengths between 620 nms and 650 nms and...
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7755072 |
System and method for three-dimensional location of inclusions in a gemstone
The present invention presents a non-destructive method and means of obtaining either the inner portion or the outer contour of a two-dimensional or three-dimensional model of the outer contours of...
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7751034 |
Systems and methods for ray tracing
Systems and methods for evaluating an optical property of a gemstone operate to trace selected and ordered model light rays through a model of the gemstone. The rays may be selected such that, when...
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7701569 |
Dark field lighting testing device
A dark field lighting testing device, for detecting a surface defect of an object having mirror surfaces, includes a cavity, the interior surface of which is made of a light-absorbing material; an...
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7700381 |
Semiconductor wafer with ID mark, equipment for and method of manufacturing semiconductor device from them
A semiconductor wafer has a bevel contour formed along the periphery thereof, products formed on the wafer, and an ID mark formed on the bevel contour. The ID mark shows at least the properties,...
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7688444 |
Method of determining laser stabilities of optical materials, crystals selected according to said method, and uses of said selected crystals
The method determines laser stability of an optical material, which is suitable for making an optical element through which high-energy light passes. The method includes pre-irradiation to produce...
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7652755 |
Apparatus and method for color measurement and color grading of diamonds, gemstones and the like
The present invention discloses an apparatus that comprises a spectrometer, and computer and a dual integrating sphere measurement arrangement comprising a measurement integrating sphere, a sample...
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7626700 |
Mosaic quantification by birefringence measurement
A crystal optical material is illuminated at a wavelength of light that does not ionize the crystal optical material. Birefringence is measured between a plurality of voxels within the crystal...
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7586588 |
Correlation operation method, correlation operation device, focus detection device and imaging device
A correlation operation method adopted when calculating a degree of correlation manifesting between a first signal data string and a second signal data string, includes: a first information...
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7571060 |
System and method for gemstone cut grading
A system for grading the cut of a diamond utilizes a number of appearance metrics to generate scores for a number of cut components that affect cut quality. These cut components include brightness,...
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7557917 |
System and method for analysis of gemstones
A system for analyzing the chemical composition of a sample, comprising exciting a portion of the sample to generate atomic spectral emissions; a spectrometer for determining atomic emission...
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7468786 |
Engraved gemstone viewer
The present invention is an engraved gemstone viewer for viewing a flat, smooth surface of a gemstone that has been micro or nano etched with an inscription such as an identification number. The...
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7436497 |
Apparatus and method for providing spot lighting for gemstone observation
An apparatus, system and method for providing spot lighting for observing a gemstone is presented. In particular, the spot lighting provided by the invention allows for observing of the fire of a...
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7436498 |
Apparatus for determining the shape of a gemstone
An apparatus for determining the shape of a gemstone, including irregularities on its surface, is provided, The apparatus comprises a platform adapted to support the gemstone, a scanning system...
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7433025 |
Automated protein crystallization imaging
An apparatus that automatically captures, stores and analyzes images of crystallization experiments contained in a number of crystallization plates. The apparatus includes a plate nest capable of...
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7426019 |
Method and arrangement for non-destructive composition analysis of delicate samples
An arrangement and a method are provided for non-destructively analyzing the composition of a delicate sample. The value of the sample depends at least partly on absence of visual defects. A laser...
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7414709 |
Method and system for online evaluation of gemstones
An online method and system for evaluating a gemstone is provided that enables a consumer to use a personal computer to evaluate the visual appearance and measurement data of the gemstone by...
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7411663 |
Apparatus for generating data for determining a property of a gemstone
An apparatus configured to generate image data for use in determining a property of a gemstone is disclosed. The apparatus includes a support structure configured to support the gemstone at an...
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7388656 |
Method and system for color grading of gemstones
A method and system, including a computer program product, implementing a color terminology for accurate color grading of gemstones are provided. The method includes generating a reference color to...
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7361601 |
Chemical mechanical polish process and method for improving accuracy of determining polish endpoint thereof
A method for improving accuracy of determining polish endpoint of chemical mechanical polish (CMP) process is provided. The method is performed before the CMP process. First, a test wafer with a...
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7355683 |
Systems and methods for evaluating and displaying the dispersion of a diamond or other gemstone
Systems and methods for evaluating and displaying a diamond's dispersion or fire potential. These systems and methods can be used to determine the dispersion of a diamond relative to an observation...
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7345746 |
Method of and apparatus for in-situ monitoring of crystallization state
In-situ monitoring of a crystallization state is used for laser anneal processing for applying an energy line irradiation for at least one of crystallization of a thin film and promotion of the...
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7336347 |
Methods, apparatus, and systems for evaluating gemstones
Methods for grading gemstones, apparatus for grading gemstones, and systems that utilize such methods and apparatus, specifically methods which trace rays through a computer representation of a...
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7324188 |
Characterization of color and clarity enhancement agents in gems
An apparatus for detecting one or more organic compounds in a gem, comprising a probe for irradiating a surface of a gem with near infrared radiation, to generate internal reflections of the near...
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7315356 |
Fire demonstration tool and method for using thereof
The present invention is directed to a device for imaging a gem, and more specifically, a device capable of imaging the fire of a gem and thereby enabling the qualitative assessment of the fire of...
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7277161 |
Method for discerning colorless and near colorless diamonds and arrangement for carrying out this method
The invention concerns a method for qualifying a diamond on the basis of a measured light transmission through the diamond, whereby the diamond is radiated by a light source which emits light...
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7259839 |
Method and apparatus for examining a diamond
Prior methods of measuring diamond proportions in order to construct a complete model, such as a three dimensional virtual wire-frame model, of a diamond have been found to be inadequate. In...
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7260544 |
System and methods for evaluating the appearance of a gemstone
Of the “four C's,” cut has historically been the most complex to understand and assess. This application presents a three-dimensional mathematical model to study the interaction of light with a ful...
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7251619 |
Computer implemented method, computer program product, and system for gem evaluation
System and method for providing a gem assessment based upon proportional parameter values relating to the proportions of a gem, such as a diamond. A gem cut quality rating is provided. The system...
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7193693 |
Apparatus for manufacturing flat panel display devices
A mechanism for always measuring the spatial intensity distribution of a laser beam and displacement of the optical axis of the laser beam is provided so that a measured signal is processed when...
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7193694 |
Method for grading gemstone cut and symmetry
An apparatus and associated method for the direct and objective grading of the cut and symmetry of gemstones is provided. The apparatus comprises a laser, an integration sphere, and a gemstone...
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7184132 |
Inspection method and apparatus of laser crystallized silicons
An inspection method and apparatus of laser crystallized silicons in the low-temperature poly Si (LTPS) process. The crystalline quality is inspected by using a visible light source to irradiate...
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7136154 |
Diamond cut scoring system and method
A gemstone rating system is provided particularly for rating the cut of diamonds in which particular cuts and features are measured and the results compared with and provided with a predetermined...
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7105822 |
Characterization of clarity and color enhancement agents in gems
Diffuse reflectance spectroscopy using near infrared and mid infrared radiation is used to detect the presence of organic chemical compounds in gems. Suitably, diffuse reflectance infrared Fourier...
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6980283 |
Method and associated apparatus for the standardized grading of gemstones
A method and associated apparatus (5) for the standardized grading of gemstones is provided. The system gauges the spectral response of a gemstone subject to a plurality of incident light sources...
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