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| Number | Title | Issue Date |
| 8189277 | Recessed optical surfaces An optics block includes a substrate having first and second opposing surfaces, the substrate being a first material, a plurality of through holes extending in the substrate between the first and second opposing surface, a second material, different than the first m... | 05/29/2012 |
| 8184388 | Image forming optical system and electronic image pickup apparatus using the same An image forming optical system of the present invention includes at least one cemented lens which includes a first lens element (e1), a second lens element (e2), and a third lens element (e3). The first lens element e1 is cemented to a s... | 05/22/2012 |
| 8149525 | Imaging lens An imaging lens of which optical performance does not deteriorate even in a high temperature environment, various aberrations are well corrected, optical length is short, and back focus is sufficiently secured, comprising an aperture stop S and a junction type compo... | 04/03/2012 |
| 7894143 | Image capture lens An image capture lens is disclosed. The image capture lens includes a glass substrate having a first side and an opposing second side, a first lens material with a first refractive index, and a second lens material with a second refractive index higher than the firs... | 02/22/2011 |
| 7876511 | Subminiature imaging optical system There is provided an imaging optical system including: a first lens element having a convex object-side surface; a second lens element having an object-side planar surface in contact with an image-side surface of the first lens element and an image-side planar surfa... | 01/25/2011 |
| 7864457 | Achromatic lens structure, method of fabrication, and imaging devices and systems using the same Lens structures, imaging devices, and methods of making the same that include a lens and a transparent material having different dispersions and used to correct chromatic and spherical aberrations. The transparent material may be a curable polymer used to join the l... | 01/04/2011 |
| 7826153 | Lens assembly and method for manufacturing the same Disclosed are a lens assembly and a method for manufacturing the same. The method includes delineating and processing a surface of a lens substrate to form a plurality of lens units; bonding a plurality of such lens substrates having different properties to each oth... | 11/02/2010 |
| 7755856 | Lens module and optical module incorporating same A lens module includes a first lens. The first lens includes a first central round portion and a first peripheral portion. The first peripheral portion has a first radially extending portion surrounding the first central round portion, and a first axially extending ... | 07/13/2010 |
| 7649699 | Cemented lens and optical system having the same A cemented lens comprises first, second and third optical elements respectively formed by different solid materials, the third and first optical elements being cemented to each other, and the first and the second optical elements being cemented to each other, wherei... | 01/19/2010 |
| 7336361 | Spectroscopic ellipsometer and polarimeter systems A spectroscopic ellipsometer or polarimeter system having a source of a polychromatic beam of electromagnetic radiation, a polarizer, a stage for supporting a material system, an analyzer, a dispersive optics and a detector system which comprises a multiplicity of d... | 02/26/2008 |
| 7317529 | Aspects of producing, directing, conditioning, impinging and detecting spectroscopic electromagnetic radiation from small spots on samples Systems and methods for providing and enhancing electromagnetic radiation beam radial energy homogeneity and intensity vs. wavelength content, for reliably directing electromagnetic radiation emitted by a source thereof in a common direction, for achromatically redu... | 01/08/2008 |
| 7317530 | Combined spatial filter and relay systems Low aberration relay systems modified to perform as spatial filters in reflectometer, spectrophotometer, ellipsometer, polarimeter and the like systems. ... | 01/08/2008 |
| 7289281 | Zoom lens and image projection apparatus having the same Provided is a zoom lens which is telecentric on a reduction side, including a plurality of lens units, in which the zoom lens satisfies the following conditions: νdp>75 fw/fp | 10/30/2007 |
| 7245376 | Combined spatial filter and relay systems in rotating compensator ellipsometer/polarimeter Low aberration relay systems modified to perform as spatial filters in rotating compensator ellipsometer, polarimeter and the like systems. ... | 07/17/2007 |
| 7215424 | Broadband ellipsometer or polarimeter system including at least one multiple element lens Quasi-achromatic multi-element lens(es) which are precisely mounted with respect to one another in a tubular mounting fixture, and the application thereof in focusing, (and optionally re-colliminating), a spectroscopic electromagnetic beam into a very small, chromat... | 05/08/2007 |
| 7142377 | Lens-attached light-emitting element A lens-attached light-emitting element for increasing an optical availability efficiency is provided. A lens-attached light-emitting element for structuring a light-emitting element array arranged in one dimension comprises a light-emitting element having an approxi... | 11/28/2006 |
| 6870692 | Wide angle lens system A wide angle lens system comprises at least three lens element cemented together as a single lens unit and an object side part of the lens unit has a negative refractive power and a rear part of the lens unit has a positive refractive power. ... | 03/22/2005 |
| 6809891 | Image display device An image display device has a luminous image source operably positioned within a housing for projecting a projected image. The housing has a lens aperture covered by a lens assembly. The lens assembly is spaced apart from the luminous image source so that the lens a... | 10/26/2004 |
| 6678097 | Non-planar fresnel reflector arrays, mold structures and mold patterns for eliminating negative draft during molding A non-planar Fresnel reflector array mold pattern and fabrication method are described which can be utilized to manufacture integral non-planar Fresnel reflector arrays which are not subject to molding inclusions. The Fresnel reflector segments comprising... | 01/13/2004 |
| 6587282 | Broadband refractive objective for small spot optical metrology The subject invention relates to broadband optical metrology tools for performing measurements of patterned thin films on semiconductor integrated circuits. Particularly a family of optical designs for broadband, multi-wavelength, DUV-IR (185 | 07/01/2003 |
| 6451462 | Optical unit and method for making the same The invention is directed to an optical unit having elements (6, 7) which are juxtaposed without an air gap therebetween. The two elements (6, 7) are joined by wringing the same to each other. At least one element (7) is of crystalline material and has an... | 09/17/2002 |
| 6421190 | Cemented lens group A cemented lens group is formed by cementing three round lens elements. In the cemented lens group, the diameter of the intermediate lens element is made smaller than those of the other two lens elements.... | 07/16/2002 |
| 6339505 | Method for radiation projection and lens assembly for semiconductor exposure tools A lens assembly with materials that densify and rarefy as a function of radiation dose. The lens assembly can be provided for use in photolithographic exposure tools. The combination of densifying and rarefying materials in the lens elements of exposure t... | 01/15/2002 |
| 6226132 | Achromatic lens system An achromatic lens system includes a negative single lens element, a positive single lens element, and a negative single lens element, in this order from the object, and satisfies the following condition: |θpt -θnt| | 05/01/2001 |
| 6212015 | Rod lenses A rod lens comprises a sleeve having two opposite ends, two correcting lenses, one at each of the opposite ends of the sleeve, and a light-transmitting fluid contained within an enclosed space defined by the sleeve and by the correcting lenses. The correc... | 04/03/2001 |
| 5763054 | Anti-reflection treatment for optical elements An anti-reflection coating for optical elements and a method for forming an anti-reflection coating on an optical element includes one or more layers of a woven plastic mesh material that may be layered on the surface of an optical element such as the len... | 06/09/1998 |
| 5731907 | Auxiliary lens with liquid element for correcting secondary color A color corrector having a liquid lens with abnormal dispersion characteristics is coupled axially to an achromatic optical system to reduce its residual color errors. The color corrector is positioned along the axis between the entrance pupil of the achr... | 03/24/1998 |
| 5703722 | Segmented axial gradinet array lens A segmented axial gradient array lens is provided. In one embodiment, the segmented array lens includes two sheets of optical material which mate at opposing faces which have a series of corresponding parallel grooves and ridges. At least one of the sheet... | 12/30/1997 |
| 5646779 | Optical system capable of correcting image position An optical system includes a first lens group having a positive refractive power, a second lens group having a negative refractive power, and a third lens group having a positive refractive power. The third lens group comprises at least one positive lens ... | 07/08/1997 |
| 5570237 | Lens unit cemented at circumference of each of lens elements and optical system including the same A circumferentially cemented lens unit includes first and second lenses opposed to each other with a space therebetween on an optical axis thereof. The first lens has a concave surface, part of the second lens is a contact portion disposed radially inward... | 10/29/1996 |
| 5566027 | Photocurable resin composition and optical lens produced therefrom A resin layer having an improved durability may be obtained by curing a photocurable resin composition, including: (A) a polyfunctional urethane-modified polyester (meth)acrylate comprising a polyester oligomer and a plurality of (meth)acryloyl groups bon... | 10/15/1996 |
| 5210646 | Color-corrected optical systems and method of selecting optical materials therefor A method is described for selecting optical materials to use in designing color-corrected optical systems. Various dioptric, catadioptric and anamorphic optical systems are described, which use only two different types of optical materials to obtain preci... | 05/11/1993 |
| 5148314 | Optical systems employing refractive and diffractive optical elements to correct for chromatic aberration Optical structures are disclosed that comprise selected combinations of refractive and diffractive type optical elements wherein net chromatic aberrational effects are minimized in images formed by said structures. With the disclosed structures, chromatic... | 09/15/1992 |
| 5122907 | Light polarizer and method of manufacture A light polarizing material has contrast greater than 10,000 for wavelengths in the visible and near-infrared spectral band (400 nm to 3,000 nm) includes prolate spheroid metal particles uniformly distributed and aligned on the surface of an optical mater... | 06/16/1992 |
| 5097359 | Endoscope relay lens configuration Relay lenses for endoscopy include an axially symmetrical three-part optical component having a thin symmetrical negative element interposed between identical, substantially spherical outside elements; and an axially symmetrical five-part optical componen... | 03/17/1992 |
| 5033831 | Color-corrected lens triplets with liquid lens elements A family of achromatic lens triplets and an apochromatic lens triplet are described, each of which consists of a fluidal liquid lens element (viz., Cargille 550206 liquid) contained between a Schott BK 7 glass lens element and a Schott F2 glass lens eleme... | 07/23/1991 |
| 4976526 | Performance correcting optical assembly for photographic lens for television A chromatic aberration correcting lens assembly arranged on the image side of a photographic lens which is used in combination with a prism of a predetermined thickness on the image side thereof to correct the chromatic aberrations of the entire system, i... | 12/11/1990 |
| 4950041 | Lens systems comprising plastic and liquid lens elements Lens triplets (two achromats and a apochromat) are disclosed that are well-corrected for chromatic aberration and for spherochromatism. Each triplet comprises two identical acrylic lens elements and a liquid lens element.... | 08/21/1990 |
| 4932762 | Lens triplets An apochromatic lens triplet consists of a liquid lens element contained between two glass lens elements, where the two glass lens elements are made of the same material and are geometrically identical to each other but oriented in opposite directions alo... | 06/12/1990 |
| 4915483 | Apochromatic lens triplets with aspherical lens elements An apochromatic lens triplet comprises a liquid lens element contained between two glass lens elements. where the two glass lens elements are geometrically identical to each other but face in opposite directions along an optic axis. Inwardly facing surfac... | 04/10/1990 |
