U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"Radio has no future."

Lord Kelvin, British mathematician and physicist ; 1897

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 430/6 - Screen other than for cathode-ray tube


Subclass of Class 430 - Radiation imagery chemistry: process, composition, or product thereof
Definition: Subject matter wherein the light modifying means consist
No. of patents: 78
Last issue date: 02/05/2008


1    
NumberTitleIssue Date
7326504Imaged anti-copy film
An anti-copy film is disclosed. The film has a light transmissive imageable substrate having opposing first and second surfaces. Each surface has an image receptive coating. Complementary positive and negative images are disposed on the first and second surfaces suc...
02/05/2008
7295678Method for inserting binary messages in a digital image
A method and a system for inserting at least one binary code in a digital image, including converting the code into a modification of contours of objects in the image. ...
11/13/2007
7231096Screening method for overlapping sub-images
A method and system for reproducing an image on a carrier, the method includes: generating a conjoined first and second sub-image, each representative for a portion of the image; defining an overlap region where both sub-images give a contribution to the internal op...
06/12/2007
7069851Gravure printing method and gravure printed item
This invention provides a gravure printing method and a gravure printed item under application of cells of AM screen and cells of FM screen. The cells corresponding to the letters and the lettering images requiring a dark ink concentration and the like are formed by...
07/04/2006
7037446Radiation image storage panel
In a radiation image storage panel composed of a phosphor layer produced by vapor phase deposition, the phosphor layer is composed of an europium activated cesium halide stimulable phosphor and exhibits an ultraviolet light-excited emission spectrum satisfying the c...
05/02/2006
6885015Thermionic-cathode for pre-ionization of an extreme ultraviolet (EUV) source supply
A source of soft x-rays in an Extreme Ultraviolet (EUV) lithography system may include a pre-ionization unit to pre-ionize a source material, e.g., a Xenon plasma. The pre-ionization unit may be integrated with a discharge unit, and may use Lanthanum Hexaboride (LaB...
04/26/2005
6778342Coated substrates for resisting dizziness, enhancing displayed color, eliminating static electricity and blocking radiation
The present invention relates to a process for gratings able to resist dizziness, enhance color displayed, eliminate static electricity and block radiation. Steps included are: making a substrate with an enhanced glass or optical plastic glass or optical plastics; c...
08/17/2004
6713959Plasma display panel and method for producing the same
A plasma display panel and method of producing same, in which projections are formed in grooves between partitions and phosphor layers are provided on the projections so as to increase the area where phosphor adheres and thereby to increase the luminance. A pair of ...
03/30/2004
6620554Etching substrate material, etching process, and article obtained by etching
A process of forming a high-definition pattern by etching is provided. A photosensitive resin layer is formed on a metal substrate material having a center line-average surface roughness Ra of up to 0.10 μm and a maximum surface roughness Rmax of up to 1...
09/16/2003
6368756Photomask, method for producing TFT substrate, and method for producing display device
A photomask of the present invention is a photomask for use in production of a display device, the photomask having on its surface a plurality of drawn areas and a transitional portion between two adjacent ones of the drawn areas. A pattern is formed on a...
04/09/2002
6106992Photoresist film and process for producing back plate of plasma display panel
A photoresist film which can form an even fluorescent substance layer, in intimate contact with the surface of cells, in a simplified manner, and a back plate of PDP using the film are provided. More specifically, a photoresist film comprising a base film...
08/22/2000
6040094Mask for piling process, mask-producing method, and mask-employing method
The present invention mask 1 has a mask-portion 12. The mask-portion 12 comprises: a bed sheet layer 12c made of paper or resin; and an irradiation-resistant layer 12e made of metal and coated on the irradiation side of the bed sheet layer 12c. The irradi...
03/21/2000
5908720Photosensitive resin composition for forming light shielding films, black matrix formed by the same, and method for the production thereof
A photosensitive resin composition for forming light shielding films comprising a mixture of; 10 to 60 parts by weight of a high molecular weight polymeric binder; 15 to 50 parts by weight of a photopolymerizable monomer; 0.1 to 30 parts by weight of a ph...
06/01/1999
5897980Method of imparting contrast enhancement properties to diffusing, depixelating or projection screens
In the manufacture of a screen suitable for use as a rear projection screen, a first layer (10) of a photopolymerisable monomer or oligomer which is tacky in its monomeric or oligomeric form and non-tacky in its polymerised form, is exposed to polymerisin...
04/27/1999
5851700Filter for liquid crystal display device
A filter for a liquid crystal display device, having a light diffusing plate which is obtained by forming a composition in the form of a film which contains at least two photopolymerizable oligomers or monomers having refractive indexes which differ from ...
12/22/1998
5776644Photolithographic method for high resolution circle patterning utilizing calibrated opaque microspheres
A photolithographic method for patterning small diameter circles at a high resolution on a layer, comprises the steps of depositing a resist layer on said layer; depositing calibrated microspheres, opaque to a radiation, on the surface of the resist layer...
07/07/1998
5776636Method of manufacturing light-transmitting plates
The present invention includes the steps of forming a stamper with a fine and delicate relief pattern formed thereon by forming a photo resist layer on a flat substrate, exposing the photo resist, developing the exposed photo resist, metallizing and elect...
07/07/1998
5766807Halftone screen and methods for making and using the same
In order to improve the printability of a periodic halftone screen, the amount of growth of the halftone dots in a halftone screen is modulated as a function of tone in a tone selective way that is different for at least two halftone dots....
06/16/1998
5718992Substrate having light shielding layer
A method for preparing a substrate having a light-shielding layer involves forming a photosensitive coating film on a transparent electrically conductive layer formed on a transparent substrate, exposing the photosensitive coating film via a mask exhibiti...
02/17/1998
5714286Photosensitive resin composition for forming light shielding films, black matrix formed by the same, and method for the production thereof
A photosensitive resin composition for forming light shielding films is of particular utility in forming a black matrix for use in display elements such as of a CRT display, a liquid crystal panel, a plasma display and the like. The photosensitive resin c...
02/03/1998
5698351Method for producing a screen printing stencil
A method for producing a screen printing stencil comprises the following: applying at least one light-sensitive layer to an essentially closed covering surface of a cylindrical base body; removing portions of the light-sensitive layer from the covering su...
12/16/1997
5626994Process for forming a black matrix of a color filter
A safe and low cost process for forming a black matrix for a color filter, which process provides high light screening properties and is suitable for panel processing. The process comprises the steps of providing a transparent substrate having provided th...
05/06/1997
5622794Light-shielding photosensitive resin composition, light-shielding photosensitive transfer material and method for forming light-shielding film
A light-shielding photosensitive resin composition comprising (1) an alkali-soluble binder, (2) a photo-polymerization initiator, (3) an addition-polymerizing monomer having one or more ethylenic, unsaturated double bonds, and (4) one or more colorants, w...
04/22/1997
5571642Photosensitive resin composition, color filter using the same, and method of producing a color filter
A photosensitive resin composition which comprises a resin containing at least one repeating unit represented by the following general formulae (I) and (II): ##STR1## The photosensitive resin composition is soluble in an aqueous alkaline solutio...
11/05/1996
5368985Bisacylphosphine sulfides
Bisacylphosphine sulfides of formula I ##STR1## wherein R1 is unsubstituted C1 -C18 or C1 -C8 alkyl which is substituted by phenyl, --CN, C1 -C12 alkoxy or halogen, C2
11/29/1994
5338627Method for manufacturing rotary screen
A method of manufacturing a rotary halftone screen which has no slit or meshless portion by the use of galvano process including a step of exposing the roll coated with high-sensitivity photosensitive film by a multiple number of laser beams. The multiple...
08/16/1994
5320918Optical lithographical imaging system including optical transmission diffraction devices
In an optical lithographical system (e.g., 100) for printing features of a patterned mask (e.g., 103) into a workpiece (e.g., 120), such as in a semiconductor device, a one- or two-dimensional (depending on the features of the mask) optical transmission p...
06/14/1994
5314771Method of manufacturing color-filter-fitted board for liquid crystal display
When electrodes in two-layer composition, provided with a color filter in the inside thereof, are provided on the inner surface of a liquid crystal cell board, it is aimed to prevent creation of faulty connections in contact holes and to transmit a drivin...
05/24/1994
5283140Halftone image screening array of parallel lines with effective maximum and minimum optical density and method of generating a halftone image utilizing the screening array
The invention provides a device for offset and similar printing from a continuous tone original to produce a halftone image on a photosensitive layer comprising means for screening the information via a first array of parallely extending lines of effectiv...
02/01/1994
5218485Expanded dynamic range image digitizing apparatus
The expanded-range image digitizing apparatus utilizes a light-attenuating layer in concert with solid-state light detectors of limited dynamic range to provide a means for digitizing wide-dynamic-range images. The light-attenuating layer is placed in clo...
06/08/1993
5051295Protective film for photo masks and lith films
The present invention relates to a durable pattern forming material having a protective film comprising a radiation cured product of a curable compound, comprising a phosphazene of the formula: --{NP(x) (Y)}n -- wherein at least one of x and y is a ...
09/24/1991
4930020Facsimile transmission of photographic images
A photographic image is prepared for facsimile transmission by photocopying the photographic image onto a sheet of paper through a partially transparent screen. The screen may comprise a plurality of spaced dots on a sheet in which one of the sheet and do...
05/29/1990
4900644Unsharp masking of diagnostic radiation intensifying screens
This invention relates to a gradient radiation intensifying screen having as an integral part thereof a tonable, photosensitive layer bearing a toned, anatomically correct, unsharp halftone image....
02/13/1990
4816369Stimulable phosphor sheet and method of conveying the same
In a stimulable phosphor sheet comprising a support, a phosphor layer containing a stimulable phosphor and a binder, and a protective film superposed in this order, the improvement in which at least the front end of the phosphor sheet is provided with a s...
03/28/1989
4684593Secure and self-verifiable image
A secure and self-verifiable image is formed by an array of image dots 30 on one side of a pellucid stratum or film 10 and a corresponding array of light-transmitting apertures 21 in a dark screen 20 on the other side of film 10, with image dots 30 being ...
08/04/1987
4684592Stimulable phosphor sheet
A stimulable phosphor sheet comprising a support, a phosphor layer containing a stimulable phosphor and a binder, and a protective film superposed in this order, which is characterized in that at least one of the front end and the rear end of the phosphor...
08/04/1987
4675271Persistent screen for radiation images
The invention relates to persistent screens where the image to be stored is stored in a layer (3) which contains as an active substance an illuminable luminophor (5) and which is tinted to increase the picture sharpness. The luminophor (5) is a rather sma...
06/23/1987
4642278Photosensitive member with an insulating layer of amorphous silicon
The present invention relates to a photosensitive member having a photoconductive layer of amorphous silicon. On the photoconductive layer, an amorphous silicon insulating layer is formed and this layer includes carbon and an element in Group IIIA of the ...
02/10/1987
4610941Method for photographically improving the resolution of screen printed photopolymer images
A process is described for improving the quality of images which have been formed by screen printing a liquid photo curable photopolymer. Images formed by screen printing, especially heavy coatings such as solder masks on printed wiring boards, inherently...
09/09/1986
4600666Integrated photoscreen for making a halftone reproduction printing plate from a photograph
The photoscreen for making a halftone reproduction from a photograph is used in a process where the photograph is placed in a reproducing position relative to a reproducing apparatus and the screen is interposed between the photograph and the reproducing ...
07/15/1986
1    
 
Sign InRegister
Username  
Password   
forgot password?