Abstract: A method of anisotropic plasma etching of silicon to provide laterally defined recess structures therein through an etching mask employing a plasma, the method including anisotropic plasma etching in an etching step a surface of the silicon by contact with a reactive etching gas to removed material from the surface of the silicon and provide exposed surfaces; polymerizing in a polymerizing step at least one polymer former contained in the plasma onto the surface of the silicon during which the surfaces that were exposed in a preceding etching step are covered by a polymer layer thereby forming a temporary etching stop; and alternatingly repeating the etching step and the polymerizing step. The method provides a high mask selectivity simultaneous with a very high anisotropy of the etched structures.

Abstract: A fabric for strengthening flat-shaped articles consisting of warp threads and woof threads which form a basic fabric having a connected edge area which is thinned relative to the basic fabric.

Abstract: A flooring installation is characterized by installing an underlayment between the flooring material and the subfloor. The underlayment includes (from the subfloor up) a foamed polymeric layer and a glass fiber mat. The foamed polymer interpenetrates at least the lower portion of the glass mat. The upper portion of the glass fiber mat is preferably unsaturated. The glass mat may have an acrylic latex tie coat opposite the foamed polymer layer.

Abstract: In the magnetic recording medium, the non-magnetic substrate has an under-coat layer including the first flake powder of non-magnetic material on its surface and further has a back-coat film including the second flake powder of non-magnetic material on the opposite face on the non-magnetic substrate to the one face coated by the magnetic film; thereby splendid property of running durability and electromagnetic transducing characteristics is achieved in spite of thinning the total thickness of the magnetic recording medium.

Abstract: A tracking resistant pressure-sensitive adhesive tape comprising an electrically insulating film having a comparative tracking index by an tracking resistant test of the IEC method of at least 400 V, a modulus of elasticity of from 20 to 1,200 kg/mm.sup.2, and a thickness of from 5 to 150 .mu.m, and having formed on one side thereof a pressure-sensitive adhesive layer.

Abstract: An interior equipment part for vehicles, in particular a support part for automobile roof linings, of single-layer or three-layer construction, such that the layer(s) exposed to the action of heat consist of 25-100% by weight of polybutylene terephthalate fibers and of at most 75% by weight of higher melting polyester fibers.

Abstract: A low profile ionizing surface (LPIS) for use as a static eliminator or charging means in an apparatus within which insulative material is contacted by apparatus surfaces. The LPIS includes a low profile fibrous network of randomly disposed, electrically conductive, 0.5-50 .mu.m by 1/8"-3" microfibers in electrically conductive contact with one another across the network, providing microfiber ionizing points across the network surface. The thickness of the network is significantly less than the average length of the microfibers. An adhesive layer fixes the network to a surface of the machine. Thus, when the network is grounded or electrically charged, static charge is removed from the material as it passes across or near the exposed surface of the network. The LPIS may be in the form of a peel-and-stick sheet or tape, or a kit may be provided to install the LPIS in an apparatus.

Abstract: A black matrix substrate is provided with a substrate, and a black pattern formed on the substrate. The black pattern includes at least metal particles in a resin pattern, which comprises resin formed in a pattern shape. The metal particles have such a particle diameter distribution that particles having particle diameters in a range of 5 nm to 50 nm are not less than 80% of the total particles. A projected area density at a conversion of 600 .ANG. thickness of the metal particles in the black pattern, is not less than 60%. An optical density of the black matrix substrate is not less than 1.5. A color filter, which has a high contrast ratio, can be constructed by use of this black matrix substrate. Further, a liquid crystal display device, which has a good image quality, can be constructed by use of this color filter.

Abstract: A coextruded, biaxially orientated film comprising a base layer, which comprises a polypropylene or a polypropylene mixture, and at least one top layer comprising olefinic polymers. The top layer comprises a combination of inorganic and/or organic particles and tertiary aliphatic amine of the formula I ##STR1## in which R.sup.1 essentially is an at least partially unsaturated alkyl radical having at least 18 carbon atoms or an essentially completely saturated alkyl radical having 8 to 26 carbon atoms andR.sup.2 and R.sup.3 are identical or different and are R.sup.4 --CH.sub.2 OH, in which R.sup.4 is an essentially saturated C.sub.1 -C.sub.6 -alkyl radical.The film is useful, for example, as a label or wrapping.

Abstract: A portable material having first and second surfaces, which printable material includes a first layer defining the first surface and a second layer defining the second surface. The second layer includes particles of a thermoplastic polymer having largest dimensions of less than about 50 micrometers and from about 10 to about 50 weight percent of a film-forming binder, based on the weight of the thermoplastic polymer. When the second layer has a melting point of from about 65 to about 180 degrees Celsius, the printable material is suitable for use as a heat transfer material. Desirably, the second layer also contains from about 2 to about 20 weight percent of a cationic polymer, based on the weight of the thermoplastic polymer. Other components which can be contained in the second layer include from about 1 to about 20 weight percent of a humectant; from about 0.2 to about 10 weight percent of an ink viscosity modifier; from about 0.1 to about 5 weight percent of a weak acid; and from about 0.

Abstract: A polymeric binder system useful for a magnetic recording medium, the polymeric binder system and comprising a hard resin component comprising a nonhalogenated vinyl copolymer and a soft resin component comprising a polyurethane having a phosphonate diester group. The binder system is useful for preparing the magnetic layer and/or backside coating of magnetic recording media, in order to provide media that demonstrate an improved combination of such as modulus, Tg, and smoothness.

Abstract: Coating agents to be applied onto base materials such as thermoplastic resin films to provide improved surface characteristics include an aqueous emulsion of polysiloxane-polyvinyl graft copolymer essentially of specified kinds of siloxane units.

Abstract: This invention relates to matt, multilayered propylene films to which their matt appearance is imparted by a one-sided, coextruded layer of a polymer mixture.

Abstract: A fiber-reinforced composite that includes at least one tow in a metal matrix. The tow includes a plurality of continuous ceramic fibers held together by a carbonaceous matrix.

Abstract: A fibrous electrically-conductive filler herein provided comprises fibrous aluminum borate as a core material provided thereon with, in order, an optional titanium oxide intermediate layer and an antimony-free tin oxide layer. The fibrous electrically-conductive filler can be prepared by a method which comprises the steps of optionally forming an intermediate layer of titanium oxide by depositing titanium oxide hydrate on the surface of the core material and then calcining the titanium oxide hydrate layer; then forming a coating layer of tin oxide hydrate on the surface of the titanium oxide-coated fibrous aluminum borate or the fibrous aluminum borate as a core material and then calcining the coating layer at a temperature ranging from 150.degree. to 600.degree. C. in an inert gas atmosphere or a reducing atmosphere to form an antimony-free tin oxide layer.

Abstract: A rubber composition containing a rubber forming a continuous phase of 100 weight parts; a nylon fiber with fine diameter of 1-15 weight parts by the fiber, the nylon fiber being grafted with a molecular of a rubber capable of co-crosslinking to the rubber forming the continuous phase; and a short fiber of 1-30 weight parts is used to at least a part of a rubber of a transmission belt. Thus, high anisotropy in modulus of elasticity in the transmission belt is maintained. Further, stress concentration at an interface of the short fiber and the rubber is distributed to enhance the strength, elasticity and flex fatigue resistance.

Abstract: A diamond substrate having a smooth surface, including a polycrystalline diamond film having a surface with a pit, and an insulating material other than diamond, which occupies the pit.

Abstract: A decorative relief pattern is provided on a glass/plastic laminate wherein a sandwiched structure comprised of a glass sheet (10), an adhesive layer (12), a plastic film (14) having a thin cured coating of a polysiloxane antiabrasion material (16) on its exposed surface by placing a texturing medium (18) on the exposed surface and autoclaving the sandwiched structure under vacuum and pressure to provide a permanent bond between the plastic film (14) and the glass sheet (10) thereby transferring the surface texture of the texturing medium (18) to the exposed surface of said coating.

Abstract: A copper film coated substrate includes a substrate and a copper film formed on a surface of the substrate. The copper film has an X-ray diffraction intensity of 2.0 cps/nm or more per unit film thickness at a crystal orientation (111) face of the copper film. A crystal orientation of a copper thin film is controlled by irradiating a surface of a substrate with inert gas ions before forming a copper thin film on the substrate by a physical vapor deposition process. A copper thin film is formed by irradiating a surface of a substrate with ions, and depositing a copper thin film on the irradiated substrate. In the ion irradiating step, an ion irradiation energy for a dosage of the irradiated ions is controlled, so that crystal is greatly grown to be orientated in a direction of copper (111) face with a less dosage of the irradiated ions.

Abstract: The invention relates to a material in the form of a strip having a stiffening corrugation thereon. The corrugation consists of ridges and valleys therebetween which form arcs over the breadth of the corrugation zone. The corrugations form a wave pattern propagating in the longitudinal direction of the strip. The waves have no straight sections, and the relationship between the thickness of the strip T and the corrugation depth A is 0.5T<A<2T. In addition, the height of the arcs is at least as large as the wave length of the waves propagating in the Y-direction and alternating in the Z-direction.

Abstract: A garnet polycrystalline film for a magneto-optical recording medium including at least two layers of polycrystalline garnet represented by Bi.sub.x R.sub.3-x M.sub.Y Fe.sub.5-Y O.sub.12, where 0.ltoreq.X.ltoreq.3, 0 Y.ltoreq.5, R represents one or more rare earth elements containing yttrium, and M represents Ga, Al or In, wherein crystal lattice constants of these adjacent two layers are different from each other by .+-.0.3% or more, and an average crystal grain diameter of one of the layers is smaller than that of the other layer and 1 .mu.m or less, and a magneto-optical recording disk using this garnet polycrystalline film.

Abstract: A solid oxide electrolyte fuel cell comprises a power generation film consisting of a solid oxide electrolyte film dimpled over substantially the whole area on both sides thereof, an oxygen electrode formed on one side thereof, and a fuel electrode formed on the other side of thereof, and comprises a pair of interconnectors located on both sides of the power generation film. Furthermore, this invention adopts a seal structure for sealing each side of the power generation film to each of the corresponding interconnectors. The peripheral area of the power generation film is provided with a seal face with the interconnector and is formed to lie in essentially the same plane as the apices of the dimpled pattern formed on the power generation film, and the provided seal section has approximately the same thermal expansion coefficient as the solid oxide electrolyte film which forms the power generation film.

Abstract: A porous electrode suitable for use in a membrane electrode assembly for solid polymer fuel cells comprises a highly dispersed precious metal catalyst on particulate carbon impregnated with proton conducting polymer, and, a further component comprising hydrophobic polymer and a dispersion of particulate carbon, the loading of precious metal being 0.011-1.0 mg/cm.sup.2 of geometric electrode area. Said electrode demonstrates high effective platinum surface area and power density output when fabricated into a membrane electrode assembly.

Abstract: A battery has a through-hole traversing a battery main body and opened to outside. The battery has a vessel having a central through-hole, and a spiral-shaped electrode, made up of a strip-shaped positive electrode and a strip-shaped negative electrode wound about a cylindrical core a number of times with a separator in-between, is mounted in the battery vessel so that an opening of the cylindrical core is substantially coincident with the through-hole in the battery vessel. The battery vessel is sealed after charging a liquid electrolyte. One or more thin metal plates are inserted and secured in the through-hole, or one or more heat-dissipating fins are radially formed around the opening end of the through-hole. The battery has good heat-dissipating properties and is superior in strength and energy density.

Abstract: Improved multicomponent alloys for hydrogen storage and rechargeable hydride electrode applications, and in particular for rechargeable hydride battery applications, according to the formula: A.sub.a B.sub.b Ni.sub.c D.sub.y M.sub.x R.sub.z, and the hydride thereof, where A is at least one element selected from the group consisting of Ti, Zr, Hf, Y, V, Nb, Pd, Mg, Be, and Ca; B is at least one element selected from the group consisting of Mg, Al, V, Wb, Ta, Cr, Mn, Si, C, B, and Mo; D is at least one element selected from the group consisting of W, Fe, Co, Cu, Zn, Ag, Sb and Sn; M is at least one element selected from the group consisting of Li, Na, K, Rb, Cs, P, S, Sr, and Ba; R is at least one element selected from the group consisting of Sc, Y, La, Ce, Pr, and Yb; and where a, b, c, x, y and z are defined by: 0.10.ltoreq.a.ltoreq.0.85, 0.02.ltoreq.b.ltoreq.0.85, 0.02.ltoreq.c.ltoreq.0.85, 0.01.ltoreq.x.ltoreq.0.30, 0.ltoreq.y.ltoreq.0.25, 0.ltoreq.z.ltoreq.0.12 and a+b+c+x+y=1.00.

Abstract: Thermal management of flat pack rechargeable batteries is accomplished by providing extensions on individual cell housing components, which extensions are connected to provide open air channels between individual cells. In an alternate embodiment of the invention, cells within the stack are filled with a thermally conductive liquid, such as a silica gel, to assist in heat dissipation from adjacent cells.

Abstract: A solid ion conductor material is made from branched polyethylene imine and a lithium cation salt in such a manner that the ratio of the number of nitrogen atoms contained in the polymer to the number of lithium cations originating from the salt is optimized. The branched polyethylene imine can be plasticized within a certain proportionate range of plasticizer. This type of material is used as electrolyte, notably in electrochromic systems.

Abstract: A solid polymeric electrolytic membrane comprising a solution of an ion compound in a cross-linked polyether including a liquid plasticizer obtained by:a) copolymerizing a vinyl ether of the formula:R--(O--CH.sub.2 --CH.sub.2 --).sub.n --O--CH=CH.sub.2 (I)with an allyl vinyl ether of the formula:CH.sub.2 =CH--CH.sub.2 --(O--CH.sub.2 --CH.sub.2 --).sub.m --O--CH=CH.sub.

Abstract: A polymeric electrolyte comprising:(a) an alkane monomer having 2 to 100 carbon atoms which has been functionalized with a compound which (1) is reactive with said alkane and (2) which will enable the alkane to undergo cross-linking to form a polymeric network, the number of functional groups being selected such that the polymeric electrolyte does not react with an alkali metal anode;(b) one or more non-aqueous solvents;(c) one or more inorganic salts which render the polymeric electrolyte conductive. The polymeric electrolyte is employed in an electrolytic cell comprising;(i) an alkali metal anode;(ii) a cathode; and(iii) interposed between the anode and cathode, a polymeric electrolyte.

Abstract: An electrode for an energy storage device is made from an activated carbon support. The activated carbon has adsorbed onto it a protonated polymer, which has a polyoxometalate absorbed into the polymer. Preferably, the protonated polymer is poly(4-vinylpyridine), and the polyoxometalate is isopolymolybdate. An energy storage device, such as a capacitor, can be made from the modified carbon electrode. A pair of the coated carbon electrodes (13) are placed in contact with an electrolyte to form the device.

Abstract: A cathode for use in an electrochemical cell having an anode and an electrolyte. The cathode includes a manganese dioxide active material and an additive which includes SnO.sub.2. The cathode of the present invention is particularly adapted for use in an electrochemical cell having a zinc anode and an alkaline electrolyte.

Abstract: A method and apparatus for the production of transparent phase reticule mask for projecting high intensity light--such as that used for direct laser ablation of materials from substrates--is disclosed. The transparent phase reticule mask includes first portions which are for scattering light beyond the solid angle of an imaging system and second transparent portions which scatter light to an angle where projection by an imaging system can occur. Phase reticule mask configurations are disclosed including a known phase reticule mask which has gratings, and a new phase reticule mask having random phase roughening for the scattering of light. Random phase roughening includes imparting to the roughened area a mean solid angle of scattering that exceeds the solid angle of collection of an image system. Thus, the total fraction of incident light is below the ablation threshold and constitutes the dark patterned region of the mask.

Abstract: A method of manufacturing a photomask for the production of dual depth features on substrates, and the photomask so manufactured, wherein the method of manufacturing the photomask is comprised of the steps of: (1) coating a substrate which transmits at least two selected wavelengths with: a) an optical filter material which prevents the transmission of at least one of the wavelengths, b) an opaque masking material, and c) a dual tone photoresist; (2) using a single mastering tool to selectively expose areas of the coated substrate to one of the wavelengths; (3) developing the photoresist; (4) etching the exposed masking material and optical filter material; (5) exposing the remaining coated substrate; (6) developing the remaining photoresist; (7) etching the exposed surface; and (8) stripping away the remaining photoresist.

Abstract: An electrophotographic photoreceptor including a light-sensitive layer containing a bisazo or trisazo compound represented by formula (I-1), (II-1), (III,1), (IV-1), (V-1) or (VI-1): ##STR1##

Abstract: A method of manufacturing a luminescent screen assembly on an interior surface of a faceplate panel 12 for a color CRT 10 includes the steps of uniformly applying a solution of a material to form an organic conductive (OC) layer and overcoating the OC layer with a solution to form an organic photoconductive (OPC) layer, on the interior surface of the faceplate panel. The OPC layer 34 is conditioned by directing a stream of dry gas thereon to warm the OPC layer to a preheat temperature, while maintaining the panel at a panel temperature less than the preheat temperature. The OPC layer is exposed to IR radiation to rapidly increase the temperature of the OPC layer to a curing temperature, greater than the preheat temperature, to remove some of the volatilizable constituents from the OPC layer, without substantially increasing the temperature of the panel.

Abstract: A method for preparation of a printing plate by an electrophotographic process comprising forming a toner image on a transfer layer capable of being removed upon a chemical reaction treatment provided on the surface of an electrophotographic light-sensitive element by an electrophotographic process, heat-transferring the toner image together with the transfer layer onto a receiving material a surface of which is capable of providing a hydrophilic surface suitable for lithographic printing at the time of printing, and removing the transfer layer on the receiving material upon the chemical reaction treatment wherein the transfer layer mainly contains a thermoplastic rein (AH) having a glass transition point of from 10.degree. C. to 140.degree. C. or a softening point of from 35.degree. C. to 180.degree. C. and a thermoplastic resin (AL) having a glass transition point of from -50.degree. C. to 45.degree. C. or a softening point of from 0.degree. C. to 60.degree. C.

Abstract: An electrophotographic photoreceptor is herein disclosed which comprises a conductive support and a photosensitive layer formed on the conductive support, and the photosensitive layer contains an enamine derivative as a carrier transport material represented by the formula ##STR1## wherein Ar is an aryl group which may have a substituent, a heterocyclic group which may have a substituent, an aralkyl group which may have a substituent, or a heterocyclic substituted alkyl group; and n is 2, 3 or 4.The electrophotographic photoreceptor is excellent in sensitivity and durability.

Abstract: Disclosed is a toner for flash fixation which comprises: (i) a resin containing (a) a low molecular weight compound having the peak of molecular weight in 3,000 to 60,000 by gel permeation chromatography (GPC) and (b) a high molecular weight compound having the peak or shoulder of molecular weight in 80,000 to 1,000,000 by GPC, with the weight ratio of the low molecular weight to the high molecular weight compound in the range of 97 to 60/3 to 40 and (ii) a coloring material or a toner for flash fixation which comprises (i) a resin containing (a) a low molecular weight compound having the peak of molecular weight (Lp) in 3,000 to 60,000 by GPC, (b) a middle molecular weight compound having the peak of molecular weight (Mp) in 5,000 to 100,000 by GPC and (c) a high molecular weight compound having the peak of molecular weight (Hp) in 80,000 to 1,000,000 by GPC, with the condition of Lp<Mp<Hp and (ii) a coloring material, and a method for fixing a toner by flash fixation using these.

Abstract: A positive charge control agent whose active ingredient is a complex salt compound of the amine derivative represented by the following formula 1!: ##STR1## wherein X.sup.a, X.sup.1, X.sup.2 and X.sup.3 independently represent --O-- or --S--;L.sup.1 represents a divalent group selected from the group consisting of alkylene groups having 1 to 4 carbon atoms which are branched or not branched, cycloalkylene groups, and monocyclic or polycyclic arylene groups which have or do not have a substituent;A.sup.1, A.sup.2 and A.sup.3 independently represent hydrogen, an alkyl group, a cycloalkyl group, an aralkyl group, a monocyclic or polycyclic aryl group which has or does not have a substituent or a residue of a nitrogen-containing heterocyclic compound having an --OH group or an --SH group;p represents an integer from 1 to 4;q represents an integer from 0 to 20;K1.multidot.

Abstract: Disclosed is an electrophotographic toner comprising a resin, a pigment, and surface-modified, pyrogenically produced aluminum oxide which is has the following physico-chemical properties:______________________________________ Surface (m.sup.2 /g) 50 to 100 Stamping density (g/l) 50 to 90 Drying loss (%) <5 Annealing loss (%) 5.0 to 15 C content (%) 0.5 to 12 pH 4 to 8.

Abstract: Chargeable resin powder, toner for developing electrostatic images and powder coating for electrostatic painting comprising at least a thermosetting resin or a thermoplastic resin, and a charge control agent or a charge enhancer, wherein a host-guest compound formed from a combination of a host compound and a guest compound is contained as a charge control agent or charge enhancer which controls or enhances resin powder charging.

Abstract: A process for the preparation of toner compositions consisting essentially of(i) preparing a pigment dispersion, which dispersion is comprised of a pigment, an ionic surfactant, and optionally a charge control agent;(ii) shearing said pigment dispersion with a latex or emulsion blend comprised of resin, a counterionic surfactant with a charge polarity of opposite sign to that of said ionic surfactant, and a nonionic surfactant;(iii) heating the above sheared blend below about the glass transition temperature (Tg) of the resin to form electrostatically bound toner size aggregates with a narrow particle size distribution;(iv) subsequently adding further anionic or nonionic surfactant solution to minimize further growth in the coalescence (v); and(v) heating said bound aggregates above about the Tg of the resin and wherein said heating is from a temperature of about 103.degree. to about 120.degree. C., and wherein said toner compositions are spherical in shape.

Abstract: An improved positive-working photoresist composition useful in the fine patterning work of a resist layer is proposed which is capable of giving a patterned resist layer having excellent resolution, heat resistance and orthogonality of the cross sectional profile of a line pattern with a high sensitivity to actinic rays and a wide range of the focusing depth. The photoresist composition comprises, as a uniform mixture in the form of a solution, (a) an alkali-soluble novolac resin, (b) a naphthoquinone-1,2-diazido group-containing compound as a photosensitizing ingredient and (c) a specific phenolic triphenyl methane compound substituted by cyclohexyl groups on two of the phenyl groups, such as bis(3-cyclohexyl-4-hydroxy-6-methylphenyl)-3,4-dihydroxyphenyl methane or bis(3-cyclohexyl-6-hydroxy-4-methylphenyl)-3,4-dihydroxyphenyl methane, in a specified amount.

Abstract: Disclosed is a heat mode thermal transfer recording material comprising a support having thereon at least a light-heat converting layer containing a water-soluble colorant and an ink layer. The heat mode thermal transfer recording material is capable of forming transferred images excellent in color reproduction.

Abstract: A unique method/system for simultaneously creating and transferring a contrasting pattern of intelligence on and from a composite ablation-transfer imaging medium to a receptor element in contiguous registration therewith is improvedly radiation sensitive and versatile, is kinetically rapid and not dependent on a sensitized ablative topcoat, and is well adopted for such applications as, e.g.

Abstract: The present invention provides a photographic material with a pH at 25.degree. C. of at most 7, containing on a support at least one layer, comprising a prefogged direct-positive silver halide emulsion spectrally sensitized with one or more electron-accepting sensitizing dyes in a total amount of at least 0.15 mmole/mole silver halide, the silver halide crystals of said prefogged direct-positive silver halide emulsion containing silver chloride for at least 60 mole %, silver bromide in a range from 0.5 mole % to 39.98 mole % and silver iodide in a range from 0.02 mole % to 2 mole %, characterized in that said silver halide cristals contain silver iodide for at least 0.20 mmole/mole AgX in the outer 10% by weight of said cristals and said layer contains a gelatin species containing Ca.sup.2+ in an amount ranging from 0.2% to 1% by weight.

Abstract: A binary image comprising a plurality of first areas, at which a porous or particulate image-forming substance is adhered to a substrate, and a plurality of second areas, at which the substrate is free from the image-forming substance, is protected by laminating thereto a laminating sheet comprising a durable layer and a support layer with the durable layer facing the image, so that the durable layer adheres to both the first and second areas of the image. The support layer is then displaced away from the image such that the durable layer remains attached to the image. The durable layer is substantially transparent and comprises a polymeric organic material having incorporated therein a siloxane, the siloxane being incorporated into the polymeric material in such a manner that it is not removed therefrom by hexane, isopropanol or water.

Abstract: A photoimageable polyimide coating which can be prepared from the polymeric condensation product of 6FDA, DMDE or MEDA, and a photosensitizing moiety. More particularly, the present invention relates to a photoimageable polyimide coating useful for microelectronic applications.

Abstract: There are disclosed photosensitive compositions based on water as solvent and/or dispersant for the components of said compositions, comprising 10-50% by weight of water-soluble and/or water-dispersible solid, crosslinkable film-forming polymers as binder, 4-50% by weight of water-soluble and/or water-dispersible photopolymerisable acrylate and/or methacrylate monomers and/or corresponding oligomers, 0.1 to 10% by weight of water-soluble and/or water-dispersible photoinitiator compounds for the photopolymerisable acrylate and/or methacrylate monomers and/or corresponding oligomers, and if the binder contains non-selfcrosslinking polymers, 2.5-40% by weight of water-soluble and/or water-dispersible crosslinking agents for the polymeric binder as thermal hardener, selected from the group consisting of epoxy resins, melamine resins and blocked polyisocyanates.

Abstract: A method of photodefining a hardcoat material to cover electrodes on a substrate. The substrate and the circuit pattern are coated (10) with a thin film of a tetramethoxy silane or tetraisopropoxy titanate hardcoat material. A positive photoresist is applied (30) over the thin film of hardcoat material and selectively exposed to actinic radiation(40). The photoresist is developed (50) to expose portions of the underlying hardcoat film, and the hardcoat film is etched (50) with an alkaline etchant solution to form a pattern. The etching and developing take place in the same step. The photoresist is then removed (60), and the patterned hardcoat material is baked (70).