|
Match
|
Document |
Document Title |
|
|
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...
|
|
|
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...
|
|
|
7580118 |
Methods, apparatus, and systems for evaluating gemstones
Methods for grading gemstones, apparatus for grading gemstones, and systems that utilize such methods and apparatus are disclosed.
|
|
|
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,...
|
|
|
7515251 |
Fluorescence measuring device for gemstones
A gemstone fluorescence measuring device according to the invention generally includes an ultraviolet (“UV”) emission chamber, a UV radiation source, and a light meter assembly. The UV...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
6975386 |
Film quality inspecting method and film quality inspecting apparatus
A film quality inspecting method comprising applying a measuring beam having a specific wavelength to an annealed silicon film formed on a substrate in a direction inclined with respect to the...
|
|
|
6882739 |
Method and apparatus for rapid grain size analysis of polycrystalline materials
An apparatus and method for performing rapid grain size analysis on a textured polycrystalline material, by generating average grain size and grain size distribution data from x-ray diffraction...
|
|
|
6870606 |
Process for measuring the surface of a polished precious stone
Process for the measurement of the surface of a polished precious stone, wherein firstly the position of at least some of the flat facet surfaces of the stone is measured in space, in particular by...
|
|
|
6800487 |
Method for monitoring the crystallization of an organic material from a liquid
Method for monitoring the crystallization of at least one organic material from a liquid. According to the method, a liquid having at least one organic material capable of existing in at least one...
|
|
|
6798504 |
Apparatus and method for inspecting surface of semiconductor wafer or the like
Light beam is irradiated onto a surface of a substrate to be inspected and scattered lights from the surface of the substrate are received at different light reception angles, so that first and...
|
|
|
6798498 |
Apparatus for evaluating polysilicon film
A polysilicon film evaluation apparatus is provided which enables objective automatic evaluation of the status of a polysilicon film, as formed to a high accuracy in a contact-free fashion. To this...
|
|
|
6795171 |
Device for judging symmetry, brightness, and efficiency of light return in precious stones
The invention is a multicolored reflecting surface that can be mounted beneath a lens for facilitating the grading of a gemstone's brightness and symmetry. The multicolored reflective surface may...
|
|
|
6791675 |
Optical waveguide path, manufacturing method and coupling method of the same, and optical waveguide path coupling structure
An optical waveguide path coupling structure is realized without requiring highly accurate alignment. In an optical waveguide path coupling structure, a first optical waveguide path arranged on an...
|
|
|
6683680 |
Method, system and device providing a musical representation of a transparent or translucent structure
A method and system are provided for representing a structure of a kind characterized by a specific radiation response to a predetermined incident radiation. The incident radiation is applied to...
|
|
|
6673639 |
Method and system for evaluating polysilicon, and method and system for fabricating thin film transistor
A method of evaluating a state of a polysilicon film objectively, accurately, automatically, and in a non-contact manner is provided. The method includes the steps of picking up a surface of a...
|
|
|
6603547 |
Method for determination of the radiation stability of crystals
The method for determining radiation stability of a crystal to radiation of a working wavelength to be employed in a subsequent application includes taking a first absorption spectrum (A) of a...
|
|
|
6567156 |
Apparatus and method for examining the shape of gemstones
A method for examining a gemstone includes the steps of coating the gemstone with a removable diffusing coating and determining the silhouette of the gemstone in three dimensions. The method...
|
|
|
6515738 |
Method of determining the authenticity and the geographical origin of gemstones such as beryls
The method of determining the authenticity and the geographical origin of gemstones of crystalline structure comprises the steps consisting in: applying an electromagnetic beam to the gemstone;...
|
|
|
6496255 |
Measurement of crystal face orientation
A sample is rotated about an axis perpendicular to a surface of the sample in predetermined angular steps. The surface of the sample is irradiated with linearly polarized light, and a reflected...
|
|
|
6473164 |
Systems, apparatuses and methods for diamond color measurement and analysis
The present invention comprises systems, apparatuses and methods for measuring and analyzing gem color in a way which reliably and consistently simulates visual color analysis methodology. The...
|
|
|
6465255 |
Method for identifying and probing phase transitions in materials
The present invention includes a method for identifying and probing phase transitions in materials. A polymorphic material capable of existing in at least one non-centrosymmetric phase is...
|
|
|
6426791 |
Method and apparatus for evaluating semiconductor film, and method for producing the semiconductor film
Reflectance of a p-Si film crystallized by laser annealing is measured, a wave length dependency of the reflectance is found, and a first order rate of change is calculated to determine a minimum...
|
|
|
6411391 |
Crystal section shape measuring method
A method of measuring a crystal section shape of a crystal being pulled from a crystal melt while rotating, including taking an image of the base of the crystal in horizontal and vertical...
|
|
|
6377340 |
Method of detection of natural diamonds that have been processed at high pressure and high temperatures
A method for detecting whether a natural diamond has been processed at high pressure and high temperature (HPHT) conditions comprises steps of disposing the diamond in a cyrostat that is provided...
|
|
|
6348964 |
Viewer for gemstones
A viewer for gemstones allowing a person to view the light performance of a gemstone having a 360-degree light unit positioned above a base where the stone is placed. The light unit is attached to...
|
|
|
6275293 |
Method for measurement of OSF density
A novel automated method for measuring oxygen stacking fault density on silicon wafers using methods for measuring surface roughness of a silicon wafer. A silicon wafer manufactured according to...
|