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Class 356/124 - LENS OR REFLECTIVE IMAGE FORMER TESTING


Subclass of Class 356 - Optics: measuring and testing
Definition: Subject matter for measuring or otherwise determining the
No. of patents: 677
Last issue date: 05/08/2012


1                      
NumberTitleIssue Date
8174687Device and a method for measuring a camber geometrical characteristic of an ophthalmic lens
A device for measuring at least one camber geometrical characteristic of an ophthalmic lens provided on at least one of its faces with at least one position-identifying mark, the device including a support for the ophthalmic lens, and on opposite sides of the suppor...
05/08/2012
8169603Lens-testing apparatus and lens-testing method having a plurality of combinations of object distances
One embodiment of the invention provides a lens-testing apparatus being used for testing a lens device. The lens-testing apparatus comprises a light module, at least one first and second image sensors, and at least one image sensor module. The light module generates...
05/01/2012
8159659Optical device inspecting apparatus
[PROBLEMS] To provide an optical device inspecting apparatus which can be set to take many objects at one time more freely compared with conventional apparatuses, and furthermore, can accurately inspect even an optical device wherein an optical sensor is offset from...
04/17/2012
8120763Device and method for the optical measurement of an optical system by using an immersion fluid
A device for the optical measurement of an optical system, in particular an optical imaging system, is provided. The device includes at least one test optics component arranged on an object side or an image side of the optical system. An immersion fluid is adjacent ...
02/21/2012
8089620Method for measuring optical characteristics of diffraction optical element and apparatus for measuring optical characteristics of diffraction optical element
A measurement method and an evaluating apparatus are provided which are capable of easily and accurately evaluating the light amount of a spot beam, the diffraction efficiency, and the intensity distribution in the optical axis direction by detecting even a weak dif...
01/03/2012
8085391Integrated optical characteristic measurements in a CMOS image sensor
Methods and systems for forming a chief ray angle (CRA) profile of an imaging lens having a field of view (FOV) are provided. At least one CRA sensor is positioned between an edge of a pixel array and an edge of the FOV, at one or more predetermined lens height perc...
12/27/2011
8085392Bubble reduction system
An ophthalmic device forming system includes an inspection station configured to receive a plurality of ophthalmic devices, a fluid supply fluidly connected to the inspection station, the fluid supply containing a working fluid, and a heat source fluidly connected b...
12/27/2011
8077300MTF measuring system, MTF measuring method, MTF measuring unit and MTF measuring program
A MTF measuring system includes measurement result screen data indicative of an object image and an MTF curve image are generated in accordance with the object image data obtained by photographing the object and the MTF curve image data indicative of the MTF curve g...
12/13/2011
8040497Method and test structure for estimating focus settings in a lithography process based on CD measurements
By encoding process-related non-uniformities, such as different height levels, which may be caused by CMP or other processes during the fabrication of complex device levels, such as metallization structures, respective focus parameter settings may be efficiently eva...
10/18/2011
8018583Lens screening device
An lens screening device for controlling diameters of lenses within a range from a lower threshold to a upper threshold. The lens screening device includes a number of connecting poles and two screening plates. Each of the screening plates includes a tray and a scra...
09/13/2011
8009281Lens module distortion measuring system and method
A lens module distortion measuring system configured to measure the distortion of a lens module including: a light source configured to emit light rays; a diffusing panel configured to diffuse the light rays; a substantially opaque shielding plate beneath the diffus...
08/30/2011
7973915Method and apparatus for inverting a flexible molding
A method for providing a flexible molding, in particular an ophthalmic lens such as a contact lens, in a predetermined orientation, comprises the steps of determining the actual orientation of the molding, and in c...
07/05/2011
7969563Lens measuring device and method applied therein
A lens measuring device and method applied therein. The lens measuring device includes a light source, a first polarizer, a second polarizer, and an image analysis module. The method includes enabling the light source to orderly pass through the first polarizer, a l...
06/28/2011
7956994Measurement apparatus for measuring transmittance distribution of optical system
A measurement apparatus which measures a transmittance distribution of an optical system, comprises a light source, a first spherical mirror which forms reference light by reflecting light which is emitted by the light source and is not transmitted through the optic...
06/07/2011
7952696Exposure measurement method and apparatus, and semiconductor device manufacturing method
An exposure measurement apparatus is configured by including a size measurer measuring respective sizes of at least a pair of transferred patterns having mutually different optimal focus positions out of a plurality of transferred patterns formed by being transferre...
05/31/2011
7948616Measurement method, exposure method and device manufacturing method
An image of an aperture pattern that includes an L/S pattern having a linewidth that exceeds the measurement resolution of a measurement device is generated in each of divided areas on a wafer via an optical system. A part of each of the divided areas on the wafer e...
05/24/2011
7944552Method for displaying result of measurement of eccentricity
A method for displaying a result of measurement of eccentricity in an optical system is provided where an amount of eccentricity for each lens element's surface in a lens system can be displayed and where the amount of eccentricity displayed can be a magnified amoun...
05/17/2011
7944553Method of measuring diffractive lenses
A method and system for measuring an optical property of a multi-focal lens are disclosed. One embodiment of the method comprises: filtering out light transmitted by all but one of a plurality of diffraction orders of the lens to provide an unfiltered light from a s...
05/17/2011
7936451Method for machining and estimating an optical lens designed as a semi-finished product
The invention relates to a method for machining and estimating an optical lens which is designed as a semi-finished product, with a pre-finished form of a first side and a second side to be machined, in which a pre-specified form of a surface of the second side to b...
05/03/2011
7916284Inspection method and apparatus, lithographic apparatus, lithographic processing cell and device manufacturing method
In a scatterometric method differential targets with different sensitivities to parameters of interest are printed in a calibration matrix and difference spectra obtained. principal component analysis is applied to the difference spectra to obtain a calibration func...
03/29/2011
7907263Apparatuses and methods using measurement of a flare generated in an optical system
The present invention provides a method including measuring a wavefront aberration of the optical system to be measured on a measurement surface, measuring a pupil transmittance distribution of the optical system determining a pupil function of the optical system ba...
03/15/2011
7907262Surface shape measurement apparatus and method
Apparatus for indicating the departure of a shape of an object from a specified shape is described. The apparatus includes a light source for directing an incident beam of radiation onto the object, and an inspecting device for inspecting the final beam after transm...
03/15/2011
7884928Cup attaching apparatus
A cup attaching apparatus for attaching a cup as a processing jig to an eyeglass lens including an illumination optical system including an illumination light source arranged to illuminate a side of the front surface of the lens by light from the light source; an im...
02/08/2011
7880869Calibration apparatus and method for optical system assembly
A calibration apparatus and method for optical system assembly is provided, applicable to a finite conjugate optical system to determine the optimal image-forming positions of the light source and the focus object lens of the finite conjugate optical system. The app...
02/01/2011
7876428Method and a device for measuring the power of an ophthalmic lens by combined feeling and contactless overall measurement
A method includes a step of contactless optical measurement of the local value of at least one refringence optical characteristic of the lens over defined local zone around the measurement point of the lens, and at least one step of determining the axial position of...
01/25/2011
7876429Method and apparatus as well as corrective optical system for evaluating restoration-premised lens
The evaluating apparatus evaluates a restoration-premised lens which is employed in an image forming system that converts an optical image into an electronic image and then enforces a restoration processing on the electronic image in order to obtain a sharp image, i...
01/25/2011
7869017Test apparatus and test method having a plurality of combinations of object distances
One embodiment of the invention provides an test apparatus having a plurality of combinations of object distances and being used for testing an optical device. The test apparatus comprises at least one reflector, at least one first target module and at least one sec...
01/11/2011
7855782Lens inspection system using phase contrast imaging
The present invention relates to an inspection system for the automatic inspection of ophthalmic lenses, preferably in an automated lens manufacturing line. The inspection system provides a phase contrast imaging unit and an inspection method using said phase contra...
12/21/2010
7834990Evaluation method for evaluating optical characteristics of optical system, evaluation method for evaluating projector, evaluation device for evaluating optical characteristics, and screen
An evaluation method for evaluating optical characteristics of an optical system, the evaluation method includes: providing an optical system that is an evaluation object and that has a light incidence section and a light emission section; disposing a first pattern ...
11/16/2010
7826044Measurement method and apparatus, and exposure apparatus
A measurement method for measuring an optical characteristic of a target optical system includes the steps of introducing a light from each of plural patterns that reduce diffracted lights other than a predetermined order, to a different position on a pupil plane of...
11/02/2010
7791718Measurement method, exposure method, and device manufacturing method
Light is irradiated on a light-shielding pattern on an object surface side of a projection optical system, and light intensity distribution of the light having passed through the projection optical system and slits is detected while slits of an aerial image measurin...
09/07/2010
7782449Method and apparatus for analyzing an optical device
Described are a method and apparatus for analysing an optical device, including: a) arranging an illuminating device which generates a test beam, the optical device that the test beam passes and a position-resolving sensor device which detects the test beam, relativ...
08/24/2010
7777872Method of measuring diffractive lenses
A method for measuring the optical properties of multifocal ophthalmic lenses. Collimated light is passed through an ophthalmic lens and onto an array of lenslets. Light exiting the array of lenslets is detected by a sensor. Blurred spots and/or double spots may rep...
08/17/2010
7764364Lens meter for measuring optical characteristics of a lens
A lens meter having a measurement-optical system including a light source which projects and a light-receiving sensor which receives a light beam having passed through the lens; an arithmetic part which obtains optical characteristics of the lens from results receiv...
07/27/2010
7760345Method and apparatus for determining at least one optical property of an imaging optical system
A method and an apparatus for determining at least one optical property of an imaging optical system which is designed to image an object disposed in an object plane of the optical system into an assigned image plane. The method includes disposing at least one test ...
07/20/2010
7755748Device and method for range-resolved determination of scattered light, and an illumination mask
A scattered light measurement device includes an illumination mask providing measuring radiation on an entrance side (1a) of a test component (1) and a detection part (3-6) for detection of light scattered by the test component and...
07/13/2010
7733468Lens meter
A lens meter capable of obtaining optical characteristics of a lens with high stability and accuracy has a measurement optical system including a target panel having measurement targets having first measurement targets and second measurement targets and a photodetec...
06/08/2010
7728962Device for visualizing a mark on a spectacle lense
A method and an apparatus for making visible a mark on a spectacle lens are disclosed. An illumination light beam is directed to the spectacle lens. The illumination light beam runs through the spectacle lens and, after having run through the spectacle lens, is refl...
06/01/2010
7719668Confocal fiber-optic laser device and method for intraocular lens power measurements
A lens power measuring system has a light source and a fiber-optic light delivery system optically coupled to the light source to receive illumination light from the light source. The fiber-optic light delivery system has a transmit/receive end. The lens power measu...
05/18/2010
7705975Reticle
A reticle has a vertical line; a horizontal line intersecting the vertical line at a center point; and a plurality of quadrilaterals. Each of the plurality of quadrilaterals intersects either the vertical line or the horizontal line to form first and second measurin...
04/27/2010
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