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Class 356/239.1 - Transparent or translucent material


Subclass of Class 356 - Optics: measuring and testing
Definition: Inspection of imperfections or impurities wherein the material
No. of patents: 318
Last issue date: 02/07/2012


1                
NumberTitleIssue Date
8111390Method and apparatus for residue detection in the edge deleted area of a substrate
Apparatus and methods for detecting residue on a glass substrate and method of use are disclosed. The apparatus comprises a substrate support, a sensor, a controller and a peripheral device in communication with the controller. The apparatus measures the height or t...
02/07/2012
7929129Inspection systems for glass sheets
Glass inspection systems are provided for detecting particles and defects in or on a glass sheet or glass ribbon (2, 14). The system is mounted so that the surface (1) to be inspected is in the object plane of a reflective lens (10). The lens im...
04/19/2011
7920257Systems and methods for determining the shape of glass sheets
Disclosed are systems and methods for determining the shape of a glass sheet during and/or after the forming process. In one example, a system for determining the shape of a glass sheet defining an interior bulk can include a light source, an image capture device an...
04/05/2011
7808630Inspection apparatus for liquid crystal display device and inspection method using same
An inspection apparatus and inspection method for liquid crystal display devices are disclosed, wherein a final inspection for completely manufactured liquid crystal display devices is performed using a visual-light inspection apparatus, whereby high productivity du...
10/05/2010
7800749Inspection technique for transparent substrates
A method for inspecting a transparent substrate provides an index-matching fluid between an index-matched optical coupler and a surface of the transparent substrate. The method repeats, at two or more positions along the surface of the transparent substrate, steps o...
09/21/2010
7760350Glazing inspection
A method of inspecting a glazing for faults involves illuminating the glazing with light having a first wavelength to produce a bright-field image, and illuminating the glazing with light having a second wavelength to produce a dark-field image. The bright-field ima...
07/20/2010
7746464Inspection device and method for inspecting coated transparent component
A inspection device for inspecting coated transparent components includes an opaque container, a light source and a light intensity detector. The opaque container has a first end and a second end opposite to the first end. A retaining portion is formed in the opaque...
06/29/2010
7710558Automated online measurement of glass part geometry
An apparatus which measures a size and a shape of a transparent sheet includes a conveyor, a lighting apparatus, an imaging device and a process controller. The conveyor moves the transparent sheet. The lighting apparatus projects light onto the transparent sheet. T...
05/04/2010
7692781Glazing inspection
A method of forming a shadowgraph image is described, comprising the steps of illuminating a glazing (52), e.g., a vehicle windscreen, with light from a localized light source (50), said light being expanded and collimated by a lens optical system (...
04/06/2010
7652760System for detecting coatings on transparent or semi-transparent materials
A system for detecting coatings on a transparent or semi-transparent medium includes a conductive sensor and a light reflection sensor which are configured to determine a presence and the conductivity of the coating on the medium. ...
01/26/2010
7646479Recording medium discrimination apparatus and method
An apparatus can correctly discriminate between types of a recording medium, and obtain good fixed image by performing fixing in the optimum fixing conditions for a variety of different types of recording media. The apparatus includes an LED 101 serving as a ...
01/12/2010
7639352Detection device for identifying objects in a material stream
The invention relates to a detection device for identifying objects in a material stream, preferably a cullet stream. The device comprises several light sources, which emit light in a rectilinear manner, preferably diode light sources and which are combined to form ...
12/29/2009
7630071Inspecting apparatus for glass substrate
An inspecting apparatus for a glass substrate detects blurs of a green color filter layer, a blue color filter layer, a column spacer layer, a pixel layer of a thin film transistor, or the like, which are generally hardly inspected. The inspecting apparatus for a gl...
12/08/2009
7567344Apparatus and method for characterizing defects in a transparent substrate
An apparatus and method for detecting defects in a transparent substrate by simultaneously using a combination of bright field and dark field light sources for illuminating the substrate. The apparatus is capable of detecting both inclusions and surface defects simu...
07/28/2009
7551274Defect detection lighting system and methods for large glass sheets
A glass defect detection system comprising an apparatus and methods for the real-time inspection for defects in and on transparent sheets, such as a large sheets of glass is disclosed. The defect detection system utilizes a plurality of dark-field illumination syste...
06/23/2009
7528945Method to determine the optical quality of a glazing
A method of determining the optical quality of a glazing which includes at least one area having a reduced light transmission, involves producing a shadowgraph image of the glazing and measuring the illumination of the glazing at a plurality of measurement points ar...
05/05/2009
7522277Lateral surface sensor and imaging optical system therefor
The present invention relates to an imaging optical system for imaging the peripherally extending lateral surfaces (9) of an object (10) on to an imaging plane, comprising a reflecting element (6) and a first angle-reducing element (3, 17...
04/21/2009
7495760Device and method for evaluating optical distortion of transparent plate body
To provide estimating apparatus and method of the optical distortion of light transmitted through a transparent plate-shaped body. Upon picking-up a grid pattern via a glass plate by an image pickup device, 4n±α CCD pixels correspond to n grids (pair of a b...
02/24/2009
7471383Method of automated quantitative analysis of distortion in shaped vehicle glass by reflected optical imaging
The present application describes and claims an opto-electronic method of quantitatively analyzing reflected optical distortion in sheets or panels of shaped glass. ...
12/30/2008
7453563Device and method for detecting scratches
The invention relates to a device and a corresponding method for detecting scratches on the surface (2) of a material, in particular glass. Said device comprises an illumination unit (3) and a recording unit (4), which register a scanning line (...
11/18/2008
7443499Method for measuring the sagging of a glass panel
A method for measuring the sagging of a glass panel in the process of bending the glass panel on a ring mould. The method includes measuring the sagging at a glass panel's measuring point and the measurement data is applied to control progress of the bending process...
10/28/2008
7435941Methods for measuring optical characteristics by differential diffractive scanning
Methods and systems for measuring and/or inspecting a characteristic of an optical article are provided. In one example, a method includes illuminating an optical article with a focused beam of light, detecting the light with a sensor after interacting with the opti...
10/14/2008
7423738Inspecting system for security documents
An inspecting system for security documents is disclosed, wherein a rotating cylinder provided with transparent sectors is apt to transport the document past an image acquiring device, and in which a transparency inspecting device is placed partially inside and part...
09/09/2008
7420667Equipment for capturing the contour, markings, bores, millings and etchings of an ophthalmic lens or template lens for glasses
Equipment for capturing the contour, markings, bores, millings and etchings of an ophthalmic lens or a template lens for glasses. Equipment for capturing the contour, markings, bores, millings and etchings of an ophthalmic lens or a template lens for glasses compris...
09/02/2008
7420671Defect inspection method and apparatus for transparent plate-like members
A defect inspection method and apparatus for a transparent plate material for detecting a bubble, a scratch, a foreign matter, and another defect existing on or in the transparent plate material including regarding a defect candidate as a defect, when the defect can...
09/02/2008
7410528Method and system for testing the integrity of green plugged honeycomb structure
A method for testing integrity of a plugged honeycomb structure includes forming a condenser at a first end of the honeycomb structure, passing a vaporous stream into a second end of the honeycomb structure, wherein a column of the vaporous stream emerges at the fir...
08/12/2008
7408633Apparatus and method for inspecting film defect
There is disclosed a defect inspection apparatus, wherein a light source projects a linear light onto a transparent film to inspect, so that a light receiver receives light beams transmitted through the film. The light receiver is placed to look down the film, with ...
08/05/2008
7397566Method and apparatus for optical interactance and transmittance measurements
A method, system and apparatus for improving at least one of a) optical interactance measurements, b) optical transmittance measurements and c) optical reflectance measurements. The apparatus has a probe having a body portion and an tip portion. The body portion has...
07/08/2008
7394536Method and apparatus for inspecting front surface shape
The present invention provides an inspection method and an inspection apparatus which can remove influence of rear surface reflection image and inspect characteristic of a front surface shape with good accuracy by an inexpensive apparatus construction. First of all,...
07/01/2008
7385174Apparatus and method for measuring sidewall thickness of non-round transparent containers
An apparatus for inspecting sidewall thickness of non-round transparent containers includes a conveyor for holding a container in stationary position and rotating the container around an axis. A light source directs light energy onto a sidewall of the container on t...
06/10/2008
7379177System and method for performing hard glass inspection
A system and method to inspect objects for a characteristic parameter. The system includes at least one electromagnetic source for emitting at least two separate wavelengths of electromagnetic energy. At least one electromagnetic detector is positioned at a predefin...
05/27/2008
7379174Wafer detecting device
Provided is a detecting device for an FIMS system, for easily and simply detecting a slip-out of a glass wafer from an FOUP or detective storage thereof. The detecting device includes a light transmission sensor and a light reflection sensor. A light emitting portio...
05/27/2008
7371590Integrated inspection system and defect correction method
A system for the inspection of and a process for the correction of defects in a microreplicated optical display film manufacturing process. The process steps of manufacturing a master, a plurality of shims from the master, and a multiplicity of display films from ea...
05/13/2008
7366347Edge detecting method
There is provided an edge detecting method, which is capable of preventing a noise influence caused by imaging device and a color interpolation. The edge detecting method includes the steps of: setting a first kernel based on a center pixel in pixel data arranged in...
04/29/2008
7365838System and method for the measurement of optical distortions
An apparatus measures optical deviations caused by an aircraft canopy. In this apparatus, a light source generates a beam of light. A collimator, optically coupled to the light source, then collimates the beam of light. An optical assembly patterns the collimated be...
04/29/2008
7359046Method and apparatus for wafer-level measurement of volume holographic gratings
The invention describes a system for the measurement of volume holograms on a wafer scale that permits high-resolution and high throughput measurement of grating parameters. The invention uses a collimated beam of a fixed wavelength light source that is transmitted ...
04/15/2008
7358517Method and apparatus for imager quality testing
An apparatus and method of detecting a defect in an imager die package. The method comprises the steps of exposing the imager die package to light at a first angle, exposing the imager die package to light at a second angle, outputting electrical signals based on th...
04/15/2008
7353954Tray flipper and method for parts inspection
Manufacturing lines include inspection systems for monitoring the quality of parts produced. Manufacturing lines for making semiconductor devices generally inspect each fabricated part. The information obtained is used to fix manufacturing problems in the semiconduc...
04/08/2008
7349063Reflection mirror apparatus, exposure apparatus and device manufacturing method
A reflection mirror apparatus, used in a reflection optical system of an exposure apparatus which performs exposure processing by guiding exposure light by reflection, has a mirror having a reflection surface to reflect the exposure light, and radiation plates for r...
03/25/2008
7349081Method and device for checking the integrity of a glass protecting tube for the spiral-wound filament of an infrared radiator heat source
In order to be able to check reliably glass protecting tubes for spiral-wound filaments of an infrared radiator heat source with respect to damages due to breaking, a device and method are provided for checking the integrity of a glass protecting tube, in particular...
03/25/2008
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