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Document Title |
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7041528 |
Method for forming a micro-mechanical component in a semiconductor wafer, and a semiconductor wafer comprising a micro-mechanical component formed therein
A method for producing a semiconductor wafer ( 1 ) with one or more micro-mirrors ( 5 ) formed in a membrane layer ( 2 ) which is supported on a handle layer ( 3 ) with a buried oxide layer ( 6 )...
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6057968 |
Eyepiece system
An eyepiece system comprising a single radial type gradient index lens which has a refractive index varying dependently on distances from an optical axis in a radial direction and a negative power....
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5986817 |
Eyepiece lens
An eyepiece lens comprising a single gradient-index lens having a positive refracting power, or comprising a radial gradient-index lens having a positive refracting power, and a field lens, wherein...
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5748381 |
Real image type zoom finder optical system
A real image type zoom finder optical system is constructed by an objective optical system, an erect orthoscopic optical system and an eyepiece optical system sequentially arranged from an object...
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5689373 |
Eyepiece lens
An eyepiece lens of the present invention and is arranged in a real image mode finder optical system consists essentially of a single positive meniscus lens convex on the object side having an...
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5405958 |
Photochromic spiro(indoline)naphthoxazine compounds
Described are novel reversible photochromic spiro(indoline) naphthoxazine compounds of improved photocolorability that may be graphically represented by the formula, ##STR1## In preferred...
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5313327 |
Ocular lens
In an ocular lens system for use with a penta-mirror, an ocular lens includes a positive meniscus lens whose concave surface is directed to the pupil side and whose convex surface is directed to...
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5253111 |
Cemented plastic lens
A cemented plastic lens is formed of two plastic lenses made of dissimilar synthetic resin materials having different coefficients of thermal expansion. The lenses have mating surfaces that have...
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5136427 |
Optical system for use with a viewfinder
An optical system for use in conjunction with a camera viewfinder having a penta-mirror comprises a positive first lens element and a negative second lens element satisfying predetermined conditions.
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4679912 |
Binocular eyepiece
A wide-field binocular eyepiece preferably for use with a flat image display system. The eyepiece includes a biconvex thick lens having concentric spherical lens surfaces whose radii are selected...
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4429956 |
Wet cornea telescope
A wet cornea telescope permits a viewer to see a magnified image of a remotely positioned object. The telescope includes a fluid-filled eyepiece which is positioned in contact with the cornea of...
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4351587 |
Apparatus for positioning eyepiece of endoscope
An apparatus for positioning the eyepiece comprises a photographic positioning cam sleeve formed with a photographic positioning cam slot, and a dioptry adjusting cam sleeve formed with a dioptry...
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4099851 |
Reading aid
A device designed to help persons of impaired vision to read written or printed texts on a horizontal surface comprises an elongate lens mount with a base having a bottom slot which extends in...
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3922524 |
Modular biocular eyepiece for thermal image systems
A biocular viewing system for thermal (far infrared) viewers is provided by atching an eyepiece developed for an image intensifier to the low intensity image produced by light emitting diodes. A...
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3887270 |
Stylus device for the vision of image sequences
Stylus device for viewing image sequences, comprising a tubular member, and eye-piece near the end of the tubular member, a plurality of photographic images arranged like a ring within the tubular...
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3836931 |
EYE LENS IN A SINGLE LENS REFLEX CAMERA VIEWFINDER PROVIDING FIELD TILT COMPENSATION
A special eye lens in a viewfinder for a reflex camera compensates for field tilt in a virtual image, thereby minimizing the depth accommodation required of an observer's eye to focus the virtual...
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3537775 |
SINGLE COMPONENT,TWO ELEMENT MAGNIFIER
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3269292 |
Fine focusing device
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3202047 |
Inverted microscope with u-shaped optical path and tubular mounts for objective and relay lens systems
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2946259 |
Solid oculars
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D191851 |
Title is not available
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1000346 |
Title is not available
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