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7247420 |
Two-layer film and method of forming pattern with the same
The invention concerns a lift-off process for patterning layers that are deposited and/or sputtered. The invention provides a two-layer resist and a patterning method using the resist. The...
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7026497 |
Adhesive compound and method for forming photoresist pattern using the same
An adhesive compound for use during the formation of a photoresist film represented by the following chemical formula,
wherein R represents a photoacid generator is disclosed.
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6803711 |
Mask for color cathode ray tube having beneficial slot and bridge configurations, manufacturing method thereof, and exposure mask for manufacturing the mask
A mask for a color cathode ray tube (CRT) and a manufacturing method thereof are provided. This mask includes a plurality of strips isolated from each other at predetermined intervals in parallel,...
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6582943 |
Method for producing 2-hydroxyisobutyric acid and methacrylic acid from acetone cyanohydrin
The present invention relates to a method for producing 2-hydroxyisobutyric acid where acetone cyanohydrin is converted to 2-hydroxyisobutyric acid using an enzyme catalyst having nitrilase...
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6566040 |
Method of manufacturing a semiconductor device and semiconductor device manufactured by the method
First, a hole pattern or a separation pattern of a first resist that is capable of supplying acid is formed on a semiconductor substrate. Then, a crosslinked film (organic frame) is formed on the...
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6015621 |
Ultraviolet dosimeter film
An ultraviolet-sensitive dosimeter material comprises at least one diazonium compound featuring absorption in the ultraviolet wavelength range, and a binder. The diazonium compound is preferably...
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5889141 |
Photoimageable compositions comprising polyquinoline polymer and diazo compound
Photoimageable polyquinoline compositions comprise a polyquinoline polymer, a diazonaphthoquinone and optionally a photosensitizer. The composition is prepared by dissolving the polyquinoline...
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5637549 |
Recording materials
A recording material comprising a plastic film provided with a layer of ionizing radiation cured resin having a hardness equal to or harder than a pencil hardness of H and an image-forming layer...
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5436105 |
Method of making subtractive offset printing plate
Disclosed is a method of making a subtractive offset printing plate, in which a subtractive offset printing plate containing at least a composite diazo photo sensitive material and a hydroxyl...
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5424761 |
Cover member for an optical fixing lamp
A direct thermal printer is provided having a lamp cover member which is attached to an open end of an optical fixing device, for protecting a thermosensitive recording medium from contacting a...
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5387629 |
Phosphorus containing poly(arylene ether)s useful as oxygen plasma resistant films and in nonlinear optical applications
Polymers containing the phosphine oxide moiety are identified as being particularly useful in applications where resistance to atomic oxygen etching is required and in applications where second...
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5247313 |
Direct color thermal printing method and apparatus therefor
A direct color thermal printing method records a full-color image containing black characters on a thermosensitive color recording medium having three laminated thermosensitive recording layers....
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5240807 |
Photoresist article having a portable, conformable, built-on mask
A water soluble built-on mask layer is provided on a photoresist composition disposed on a substrate. The photoresist comprises an o-quinone diazide and a novolak or paravinyl phenol resin. The...
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5223376 |
Method for producing fine patterns utilizing specific polymeric diazonium salt, or diazonium salt/sulfone group containing polymer, as photobleachable agent
A method for producing fine patterns is disclosed, comprising spin-coating a photosensitive resin solution as an upper layer, which comprises a diazonium salt as a photobleachable agent, water...
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5183723 |
Colored image on a degradable sheet material and method of formation
This invention relates to a method for forming a colored image on a degradable sheet material. As a result, a negative- or positive-working color proofing sheet can be produced on a variety of...
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5130409 |
Mixed aldehyde novolak resins useful as high contrast high thermal stability positive photoresists
Novolak resins are provided which are the condensation product of (a) a phenol, phenol derivative, or mixtures thereof, and (b) a mixture of formaldehyde or a formaldehyde precursor and an aromatic...
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5100757 |
Method for forming a colored image on a degradable sheet material
This invention relates to a method for forming a colored image on a degradable sheet material. As a result, a negative- or positive-working color proofing sheet can be produced on a variety of...
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5089372 |
Transfer recording medium utilizing diazo or azide compounds wherein light energy is converted to heat energy
A transfer recording medium is disclosed, comprising a light transmitting support having provided thereon a heat transfer solid ink layer via an interlayer having a photolyzable compound. The...
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5080996 |
Color proofing system having a graduated layer of resins with different solubilities
A photosensitive element which comprises a substrate having a release surface; a photosensitive layer having a photosensitizer, pigment, and mixture of binders with different solubility...
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5041356 |
Process for preparing optical recording material
An optical recording material comprising (I) a substrate, (II) a recording layer provided on said substrate, the recording layer consisting of light transmissive portions and light screening...
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4997734 |
Method of forming a thermally stable mixed aldehyde novolak resin containing resist pattern and that pattern on a substrate
Novolak resins are provided which are the condensation product of (a) a phenol, phenol derivative, or mixtures thereof, and (b) a mixture of formaldehyde or a formaldehyde precursor and an aromatic...
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4985344 |
Radiation imaging process for forming pattern without alkali-soluble polymer underlayer and water soluble radiation-sensitive diazonium salt overlayer
A process for forming a pattern comprising forming an alkali-soluble polymer layer on a substrate, forming a radiation-sensitive composition layer containing a diazonium salt on the alkali-soluble...
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4983490 |
Photoresist treating composition consisting of a mixture of propylene glycol alkyl ether and propylene glycol alkyl ether acetate
The invention provides a mixture suitable for treating a photographic composition which comprises from about 1 to about 10 parts by weight of a propylene glycol alkyl ether and from about 1 to...
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4980273 |
Matted photographic imaging materials
The matting agent particles of matted photographic imaging materials contain a finely divided solid as well as a dye that is only present at the image-forming points after exposure and development...
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4980262 |
Producing a replicate video disc by a method of photographic contact printing
A photographic contact printing process is disclosed having application in the mass production of replicate video discs from a master disc, and other applications wherein it is desired to replicate...
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4960670 |
Formulation of barcodein microencapsulated diazo thermodevelopable photo-recording method utilizing electric current activated minute matrixes to light record
A thermodevelopable photo-recording method suitable for making bar-code labels, ID cards and the like, comprising using a thermodevelopable photo-recording material provided with thermodevelopable...
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4957847 |
Heat-sensitive cyclic diazo compound containing recording material with benzotriazine compound and coupling component
A heat-sensitive recording material comprising a base and, on top of the said base, a heat-sensitive layer containing a cyclic diazo component and a coupling component, the cyclic diazo component...
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4956251 |
Multicolor heat-sensitive recording material
A multicolor heat-sensitive recording material which comprises a transparent support having two or more of color-producing unit layers differing in hue of the produced color in such a situation...
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4937176 |
Method of manufacturing a semiconductor device, in which a negative image is formed on a semiconductor substrate in a positive photolacquer
A method of manufacturing a semiconductor device, in which a layer of photolacquer (5) containing as a photoactive component a diazo oxide is provided on a semiconductor substrate. Of this layer,...
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4929532 |
Diazo negative color proofing process utilizing acrylic/acrylate polymers
The invention relates to negative photosensitized sheet constructions which, upon exposure to an actinic radiation source through a screened image, can accurately reproduce said image. The...
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4889795 |
Process for forming photoresist pattern using contrast enhancement layer with abietic acid
A process for forming a photoresist pattern comprises the steps of forming a photoresist layer on an underlying layer, forming a contrast enhancement layer for enhancing the contrast of light...
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4888266 |
Process for producing information supports capable of being optically read by variations in absorption
The invention relates to a process for producing supports intended for the optical recording and reading of information. A layer containing a diazo compound is deposited onto a metallized...
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4886731 |
Multilayer photopolymeric printing plates with photoreactive diazo compounds and photopolymerizable compositions
Photopolymeric printing plates wherein an electrochemically etched, anodized and silicated aluminum plate has a plurality of coatings applied thereon and wherein at least one of the coatings...
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4849323 |
Pattern forming method using contrast enhanced material
Disclosed is a pattern forming method using contrast enhanced material for enhancing the resolution and contrast when forming patterns in fabrication of semiconductors or the like. This pattern...
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4816362 |
Optical recording cards with non-recording reflective layer
An optical recording material comprising (I) a substrate, (II) a recording layer provided on said substrate, the recording layer consisting of light transmissive portions and light screening...
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4725526 |
Process for reducing halations using lubricant in the course of irradiating and developing reproduction layers used for preparing printing plates
In a process for reducing halations during the imagewise irradiation of a reproduction layer exposed through a planar image original, at least one lubricant either is contained in the layer or is...
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4673626 |
Optical recording card with optical recording layers
An optical recording material comprising (I) a substrate, (II) a recording layer provided on said substrate, the recording layer consisting of light transmissive portions and light screening...
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4666823 |
Method for producing ink jet recording head
A method for producing an ink jet head comprises providing ink pathways formed of a photosensitive resin on the surface of a substrate and laminating covering over said pathways, and said...
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4661432 |
Light-sensitive, diazonium group-containing polycondensation product, process for its production, and light-sensitive recording material containing this polycondensation product
A light-sensitive, diazonium group-containing polycondensation product is described which comprises (a) an optionally substituted diphenylamine-dianzonium salt I. (b) a compound corresponding...
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4640884 |
Photosensitive compounds and lithographic composition or plate therewith having o-quinone diazide sulfonyl ester group
Quinone diazide derivatives of adamantane, and especially quinone diazide derivatives of 1,3-dialkyl-5,7-bis(hydroyphenol) adamantanes, have been found to provide unique properties when coated on...
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4622284 |
Process of using metal azide recording media with laser
A recording medium utilizing metal azides as an energy amplifying substance is disclosed. A photosensitive material comprises an energy absorptive dye and a metal azide dispersed in an inert...
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4618561 |
Monomolecular record memory medium with photosensitive diazonium salt
A record memory medium comprises a recording layer comprising a monomolecular film or monomolecular layer built-up film of a photosensitive organic compound having a hydrophilic moiety and a...
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4609427 |
Method for producing ink jet recording head
A method for producing an ink jet head by providing ink pathways formed from a photosensitive resin on a substrate surface and laminating a covering over said pathways comprises providing a...
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4601969 |
High contrast, high resolution deep ultraviolet lithographic resist composition with diazo carbonyl compound having alpha phosphoryl substitution
A lithographic resin for use with deep ultraviolet radiation comprises a weakly acidic resin and an alpha phosphoryl substituted diazo carbonyl compound as a sensitizer.
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4568628 |
Water developable diazo printing plate composition with quaternary nitrogen stabilizer
A water developable printing plate is provided with a photopolymerizable system as a latex comprising a water soluble diazopolymer reaction product of a diazoaryl amine and an aldehyde and an...
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4560636 |
Light-sensitive, positive-working copying material having a rough surface provided by pigments in light-sensitive layer
This invention relates to a light-sensitive copying material comprising a layer support and a positive-working light-sensitive layer thereon having a rough surface and a content of finely divided...
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4551408 |
Color image forming method and color image forming photo-sensitive material to be used therefor
A color image forming method wherein a colored, water soluble polymer and a photo-sensitive polymerization initiator are layered upon a transparent base material, exposed to light through a...
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4544627 |
Negative image forming process in o-quinone diazide layer utilizing laser beam
A negative-working image forming process which comprises uniformly exposing a photosensitive material comprising a support having thereon a sensitive layer comprising (i) an o-quinonediazide...
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4544466 |
Process of making U.V. cured polyurethanes using diazonium salt promoters
A process for the rapid curing of polyurethanes comprising the steps of (a) mixing together a diisocyanate compound, a diol, a polyol, and a diazonium salt and thereafter (b) exposing the resulting...
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4539061 |
Process for the production of built-up films by the stepwise adsorption of individual monolayers
There is provided a process for the production of built up films by the stepwise adsorption of individual monolayers. The process comprises forming a first compact ordered monolayer on a polar...
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