Abstract: A light filter or an array of filters can be either one or two dimensional. The filter or filters use multiple beam interference by varying an optical path length between semi-reflective surfaces. The optical path length between the semi-reflective surfaces is varied by changing a thickness of a polymer film in response to an electric field formed between two semi-transparent electrodes. The filter can be configured in either a transmissive or reflective mode.

Abstract: The alkali-soluble silicon-containing polymer of the present invention is represented by the general formula (1) below and has a weight-average molecular weight in the range from 500 to 500,000: (In the formula, A1 is a phenyl group having either a hydroxyl group or an alkoxy group; R1 is an alkylene group of 1-4 carbons; m is 0 or 1; R2 is an alkyl group of 1-4 carbons; each of s and u is a positive number; t is 0 or a positive number; 0?t/(s+u)?1; and 0<u/s?5).

Abstract: The present invention relates to a dental composition comprising least one carbosilane compound comprising at least one Si-Aryl bond, at least one silicon atom, no Si-Oxygen bond, at least one aliphatic epoxy moiety, wherein said carbosilane compound has no glycidyl ether moieties; and an initiator, optionally filler and optionally additive components selected from the group of modifiers, stabilizers, dyes, pigments, thixotropic agents, flow improvers, polymeric thickeners, surfactants, odorous substances, diluting agent(s) and flavorings.

Abstract: The present invention relates to electroluminescent polymers which contain structural units of the formula (1) and to the use thereof. The polymers according to the invention exhibit improved efficiency and a longer lifetime, in particular on use in polymeric organic light-emitting diodes.

Abstract: A photo-curable resin composition comprising a silphenylene-bearing polymer having a Mw of 3,000-500,000 can be processed to form patterned films having a widely varying thickness from submicron to more than 20 ?m. The cured films have good adhesion to substrates, heat resistance, electrical insulation and chemical resistance.

Abstract: A curable silicone composition includes: (A) an organopolysiloxane represented by the siloxane unit formula (1) given below and having at least two univalent organic groups that contain epoxy groups and are free of aromatic rings: [R13SiO1/2]a[R22SiO2/2]b[R3SiO3/2]c (where R1, R2, and R3 are univalent organic groups, at least two of which are univalent organic groups which contain epoxy groups and are free of aromatic rings; more than 20 mole % of R3 are aryl groups; a+b+c equals 1; on average, “a” satisfies the following condition: 0?a?0.8; on average, “b” satisfies the following condition: 0.2?b?0.8; and, on average, “c” satisfies the following condition: 0.2<c<1.0); (B) a linear-chain organopolysiloxane having at least two univalent organic groups that contain phenolic hydroxyl groups; and (C) a curing accelerator.

Abstract: A curable organopolysiloxane composition capable of forming cured products of superior optical transmittance exhibiting little heat-induced yellowing over time. A semiconductor device having semiconductor elements encapsulated in a cured product of the composition. The composition includes (A) an organopolysiloxane having at least two silicon-bonded alkenyl groups per molecule and bearing silicon-bonded aryl groups, whose content relative to all silicon-bonded organic groups is not less than 40 mol %, (B) an organopolysiloxane having at least two silicon-bonded hydrogen atoms per molecule, and (C) an organosiloxane oligomer complex of platinum, where the oligomer has not more than eight silicon atoms per molecule and bears silicon-bonded alkenyl groups and silicon-bonded aryl groups.

Abstract: The invention relates to a method for transferring a nano-layer (1) from a first substrate (5, 105) to a second substrate (30, 130), wherein the nano-layer (1) comprises a self-aggregating monolayer with cross-linked phenyl units and/or a mono-atomic graphite layer (graphene), wherein the method comprises the following steps: a. applying a transfer medium (20, 120) onto nano-layer (1), wherein in this step or afterwards the transfer medium (20, 120) is transformed from a liquid or gaseous phase in a solid phase; b. separating the transfer medium (20, 120) and the nano-layer (1) from the first substrate (5, 105); and c. applying the transfer medium (20, 120) and the nano-layer (1) onto the second substrate (30, 130); and d. removing the transfer medium (20, 120).

Abstract: There is provided a process for producing an organic-inorganic hybrid glassy material, including the sequential steps of (a) concentrating a starting sol of an organic-inorganic hybrid glassy material, thereby yielding a precursor material having meltability; (b) melting the precursor material; (c) subjecting a product of the step (b) to a heating treatment under reduced pressure; and (d) subjecting a product of the step (c) to a high-temperature heat treatment at 300° C. or higher.

Abstract: A compound represented by Formula (1) and a polymer obtained using the compound: wherein R1 is phenyl which may have substituents, Q1 is hydrogen, halogen, alkyl having 1 to 10 carbon atoms, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cyclohexenyl or phenyl in which optional hydrogen may be replaced by halogen or alkyl having 1 to 5 carbon atoms, Q2 is a group represented by Formula (2): wherein the code < represents a bonding point with silicon, l, m, n and p are independently 0, 1, 2 or 3, and A1 to A4, Z0 to Z4 and Y1 are defined in the specification.

Abstract: One-component, H-siloxane-containing addition-crosslinkable silicone resins, are prepared by charging a reactor with water and a solvent mixture of at least one aromatic solvent and at least one alkyl ester, adding a chlorosilane mixture containing an Si—H functional silane and a silane bearing an unsaturated hydrosilylatable group with stirring, the temperature not being above 50° C., separating an aqueous phase comprising a one-component, H-siloxane-containing addition-crosslinkable silicone resin, and washing the phase comprising the one-component, H-siloxane-containing addition-crosslinkable silicone resin in at least two washing steps to reduce residual HCl content, a final washing carried out using a 0.01%-1.0% strength aqueous solution of a base with a pH between 7.00-8.50, at a temperature of 20-50° C.

Abstract: A flame-retardant biodegradable material comprises a compound represented by formula (1): wherein R1, R2, R3, R4, R5, R9, R10 and R11 each independently represents an alkyl group, an aryl group, or an aralkyl group; R6, R7 and R8 each independently represents an alkylene group; and n, p, and q each independently represents an integer of one or more.

Abstract: Provided is a positive resist material, particularly a chemically amplified positive resist material having higher sensitivity, higher resolution, a higher exposure latitude and better process adaptability than conventional positive resist materials, and providing a good pattern profile after exposure, particularly having lessened line edge roughness and exhibiting excellent etching resistance. These materials may contain, preferably an organic solvent and acid generator, more preferably a dissolution inhibitor or a basic compound and/or a surfactant. Provided is a positive resist material comprising a polymer comprising at least one monomer unit selected from a group consisting of a monomer unit (A), a monomer unit (B) and a monomer unit (C) represented by the following formula (1); and having a glass transition temperature (Tg) of 100° C. or greater.

Abstract: A problem of the present invention is to provide a curable composition which gives good curability by use of a catalyst other than organic tin catalysts. The above problem is solved by a curable composition, comprising: (A) one or more polymers having a silicon-containing group which is crosslinkable by forming siloxane bonds, (B) an amine compound, and (C) a silicon compound having, as substituents on its silicon, at least one electron withdrawing group, and at least one group selected from the group consisting of alkoxy groups, alkenyloxy groups, acyloxy groups, and a hydroxyl group.

Abstract: A foam control composition comprises a polydiorganosiloxane fluid comprising units of the formula where each group R, which may be the same or different, is selected from an alkyl group having 1 to 36 carbon atoms or an aryl group or aralkyl group having up to 36 carbon atoms, the mean number of carbon atoms in the groups R being at least 1.3, and an additive composition of melting point 35 to 100° C. comprising a substantially non-polar organic material, preferably a polyol substantially fully esterified by carboxylate groups each having 7 to 36 carbon atoms.

Abstract: Provided herein are hardmask compositions that include an organosilane polymer prepared by the reaction of one or more compounds of Formula (I) Si(OR1)(OR2)(OR3)R4 wherein R1, R2 and R3 may each independently be alkyl acetoxy or oxime; and R4 may be hydrogen, alkyl, aryl or arylalkyl; and wherein the organosilane polymer has a polydispersity in a range of about 1.1 to about 2.

Abstract: Disclosed is an organic-inorganic hybrid glassy material characterized in that change of Abbe number does not exceed 1.5 in a temperature range of 20-150° C. (a difference between the maximum value and the minimum value is 1.5 or less). This organic-inorganic hybrid glassy material may have a characteristic that transmittance in a wavelength range of 300-800 nm is not lowered by 5% or greater to a laser light irradiation of a wavelength of 330-380 nm.

Abstract: An addition-curable organopolysiloxane resin composition having, in a state of cued body, a hardness of 60 to 100 at 25 degree C. and 40 to 100 at 150 degree C. as measured in accordance with the provisions of ASTM D2240-86, said composition comprising: (A) 100 parts by weight of an organopolysiloxane resin comprised of at least alkenyl groups and phenyl groups; (B) 10 to 50 parts by weight of an organooligosiloxane comprised of at least alkeyl groups and phenyl groups; (C) 20 to 100 parts by weight of an organohydrogenoligosiloxane of organohydrogenpolysiloxane; and (D) an addition-reaction catalyst in a catalytic quantity; an optical material that is comprised of a cured body produced from aforementioned components (A), (B), and (C) and possesses the aforementioned characteristics.

Abstract: Provided is a silicone composition, including: (A) an organopolysiloxane represented by an average composition formula R1nSiZ[(4?n)/2] (in which, R1 represents a monovalent hydrocarbon group, an alkoxy group or a hydroxyl group, provided that from 5 to 50 mol % of all R1 groups are alkenyl groups, and from 10 to 80 mol % of all R1 groups are aryl groups, Z represents an oxygen atom or a bivalent hydrocarbon group, provided at least 80 mol % of all Z groups are oxygen atoms, and n is a number that satisfies 1=n<2), in which from 5 to 50 mol % of all silicon atoms exist within structures represented by an average formula: —SiR22—X—(SiR22O)1SiR22—X—SiR22O— (in which, R2 represents a monovalent hydrocarbon group, provided that from 10 to 80 mol % of all R2 groups are aryl groups, X represents an oxygen atom or a bivalent hydrocarbon group, and l represents an integer of 3 or greater), (B) an organohydrogenpolysiloxane having at least 2 SiH groups within each molecule, and (C) an addition reaction catalyst.

Abstract: LED devices encapsulated with silicone resin compositions comprising (A) a silicone resin having at least two alkenyl groups bonded to silicon atoms in a molecule, (B) an organohydrogensilane and/or organohydrogenpolysiloxane having at least two hydrogen atoms bonded to silicon atoms in a molecule, and (C) an addition reaction catalyst which cure into transparent products having heat resistance and discoloration resistance.

Abstract: An organic-inorganic composite forming material which contains an organometallic polymer having an -M-O-M- bond (M denotes a metal atom), an acrylic monomer or oligomer having a hydrophilic group and inorganic particles. Preferably, the organometallic polymer has Si in the place of M and is obtained via hydrolysis and polycondensation of trialkoxysilane having a photo- or thermally-polymerizable group and dialkoxysilane having a phenyl group.

Abstract: A silicon polymer material, which has a silicon polymer backbone with chromophore groups attached directly to at least a part of the silicon atoms, the polymer further exhibiting carbosilane bonds. The film forming composition and resulting coating properties can be tailored to suit the specific exposure wavelength and device fabrication and design requirements. By using two different chromophores the refractive index and the absorption co-efficient can be efficiently tuned. By varying the proportion of carbosilane bonds, and a desired Si-content of the anti-reflective coating composition can be obtained.

Abstract: Described herein are silicone fluids and silicone materials that posses high glass transition temperatures (Tgs) when compared to conventional silicone materials. In one embodiment, an increased Tg allows the formation of objects and materials by cryogenic lathing. The fluids and materials can be formed by curing silicone fluid with a cross-linker mixture comprising a cross-linker and a monofunctional hydride compound. Upon formation, the silicone materials can be extracted over long periods of time without loss of optical quality. The silicone materials can be sufficiently soft allowing folding and insertion through small incisions in the eye. Additionally, methods of forming optical silicone materials, lenses and silicone materials in general are also disclosed. In one embodiment, the method of forming a silicone based lens using cryogenic lathing techniques is described.

Abstract: The present invention provides a composition for sealing an optical device comprising (i) a silylated organopolysiloxane with a polystyrene equivalent weight average molecular weight of 5×104 or greater, represented by an average composition formula: R1a(OX)bSiO(4?a?b)/2 (wherein, R1 represents an alkyl group, alkenyl group, or aryl group; X represents a combination of a group represented by a formula —SiR2R3R4 (wherein, RE to R4 are monovalent hydrocarbon groups), and an alkyl group, alkenyl group, alkoxyalkyl group or acyl group; a represents a number within a range from 1.00 to 1.5; b represents a number that satisfies 0 b 2, and a+b satisfies 1.00 a+b 2), and (ii) a condensation catalyst, as well as a transparent cured product obtained by curing the composition, and a method of sealing a semiconductor element that comprises a step of applying the composition to a semiconductor element, and a step of curing the composition that has been applied to the semiconductor element.

Abstract: The present invention provides a material for an antireflective film characterized by high etching selectivity with respect to a resist, that is, which has a fast etching speed when compared to the resist, and in addition, can be removed without damage to a film which is to be processed. The present invention also provides a pattern formation method for forming an antireflective film layer on a substrate using this antireflective film-forming composition, and a pattern formation method that uses this antireflective film as a hard mask, and a pattern formation method that uses this antireflective film as a hard mask for processing the substrate. The present invention also provides an antireflective film-forming composition comprising an organic solvent, a cross linking agent, and a polymer comprising a light absorbing group obtained by hydrolyzing and condensing more than one type of silicon compound, a crosslinking group and a non-crosslinking group.

Abstract: Disclosed herein is a silicone particle with excellent hydrophobic and alkali proof properties. The present invention provides a method of controlling surface hydroxyl groups by treating the surface of silicone particles with alkali metal ions or alkaline earth metal ions. The present invention also provides a coating composition using the silicone particle, in which the amount of hydroxyl groups present on the surface of the silicone particle can be controlled.

Abstract: A silyl group-containing polymer which can be cured quickly and strongly, and from which a cured product excellent in antifouling properties and weather resistance while maintaining favorable rubber elasticity can be obtained, and having the following formula (1): wherein R1: a group having a hydroxyl group(s) removed from a monohydroxy or polyhydroxy compound having t hydroxyl group(s) in its molecule, R2: a bivalent organic group, R3: a C1-20 monovalent organic group which may have a substituent, X: a hydroxyl group or a hydrolysable group, Y: a bivalent group of the following formula (A) or (B), “a”: an integer of from 1 to 3, r: an integer of from 1 to 1,000, and t: an integer of from 1 to 8, provided that when the silyl group-containing polymer of formula (1) has a plurality of Y's in its molecule, the plurality of Y's may be the same or different, and when t is from 2 to 8, a plurality of monovalent groups bonded to R1 may be the same or different: in the formula (A), R4: a C2-8 alkylene group,

Abstract: Phosphono-substituted siloxanes suitable as interlayer material in lithographic substrates and for post-treating developed lithographic printing plates, obtainable by reacting (a) a first organosilicon compound of the general formula (I) and (b) a second organosilicon compound of the general formula (II).

Abstract: An additive for imparting flame retardancy with an organic resin is provided. This additive does not use environmentally harmful halogen or phosphorus flame retardant which also adversely affects the performance of the product, and this additive satisfies severe flame retardancy requirements at the level equivalent to those employing such flame retardants. Also provided are a flame retardant polycarbonate resin composition adapted for use in producing a product having excellent mechanical properties, moldability, and outer appearance as well as an article molded therefrom. The additive for imparting flame retardancy with an organic resin comprises a silicone compound having phenyl group bonded to silicon atom, an alkali metal sulfonate salt group or an alkaline earth metal sulfonate salt group bonded to silicon atom via a hydrocarbon group (optionally containing a hetero atom), and siloxane bond.

Abstract: This invention relates to aminofunctional silicone resins having high aryl content R2SiO2/2 content and amine content. The aminofunctional silicone resins of this invention are useful in making tough, water, solvent, and heat resistant hybrid materials when used in combination with selected organic materials, particularly epoxy-containing organic materials. The aminofunctional resins of this invention have the ability to flexibilize epoxy compounds while maintaining low CTE and solvent resistance. This invention also relates to emulsion compositions containing the above described aminofunctional silicone resins.

Abstract: Polysilanes, inks containing the same, and methods for their preparation are disclosed. The polysilane generally has the formula H—[(AHR)n(c-AmHpm?2)q]—H, where each instance of A is independently Si or Ge; R is H, —AaHa+1Ra, halogen, aryl or substituted aryl; (n+a)?10 if q=0, q?3 if n=0, and (n+q)?6 if both n and q?0; p is 1 or 2; and m is from 3 to 12. In one aspect, the method generally includes the steps of combining a silane compound of the formula AHaR14?a, the formula AkHgR1?h and/or the formula c-AmHpmR1rm with a catalyst of the formula R4xR5yMXz (or an immobilized derivative thereof) to form a poly(aryl)silane; then washing the poly(aryl)silane with an aqueous washing composition and contacting the poly(aryl)silane with an adsorbent to remove the metal M. In another aspect, the method includes the steps of halogenating a polyarylsilane to form a halopolysilane; and reducing the halopolysilane with a metal hydride to form the polysilane.

Abstract: Provided are a polycarbonate resin which can solve problems present in an electrophotographic photoreceptor and an electrophotographic photoreceptor in which the above polycarbonate resin is used and which is improved in a cleaning property, a lubricity and an abrasion resistance. The polycarbonate resin comprises a repetitive unit represented by the following Formula (1), and the electrophotographic photoreceptor in which a photosensitive layer is provided on a conductive substrate contains the above polycarbonate resin in the above photosensitive layer. In the following Formula (1), R represents an alkyl group having 1 to 3 carbon atoms; n1 is an integer of 2 to 4; and n2 is an integer of 1 to 200.

Abstract: A PBI compound includes imidazole nitrogens at least a portion of which are substituted with an organic-inorganic hybrid moiety. At least 85% of the imidazole nitrogens may be substituted. The organic-inorganic hybrid moiety may be an organosilane moiety, for example, (R)Me2SiCH2— where R is selected from among methyl, phenyl, vinyl, and allyl. The PBI compound may exhibit similar thermal properties in comparison to the unsubstituted PBI. The PBI compound may exhibit a solubility in an organic solvent greater than the solubility of the unsubstituted PBI. The PBI compound may be included in separatory media. A substituted PBI synthesis method may include providing a parent PBI in a less than 5 wt % solvent solution. Substituting may occur at about room temperature and/or at about atmospheric pressure. Substituting may use at least 5 equivalents in relation to the imidazole nitrogens to be substituted or, preferably, about 15.

Abstract: A composition for forming a resist underlayer film of the present invention is capable of forming a resist underlayer film which has a good matching property with a resist, by including a siloxane polymer component having a repeating unit which contains a monovalent organic group containing a sulfur atom. Thus, the composition of the resist layer film capable of forming a resist underlayer film which has a good matching property with a resist is realized.

Abstract: An aqueous coating material composition, includes: a hydrophilic polymer that has a hydrophilic group-containing structural unit and at least one hydrolyzable silyl group represented by formula (a) in a main chain terminal or side chain of the hydrophilic polymer, wherein the hydrophilic group-containing structural unit is contained in an amount of 30 mol % or more based on the entire hydrophilic polymer: —Si(R102)a—(OR101)3-a??Formula (a) wherein R101 represents a hydrogen atom or an allyl group; R102 represents a hydrogen atom or a monovalent hydrocarbon group selected from the group consisting of an alkyl group, an aryl group and an aralkyl group; a represents an integer of 0 to 2; and when a plurality of R101's or R102's are present, the plurality of R101's or R102's may be the same or different respectively.

Abstract: A hydrophilic polyorganosiloxane composition comprising (A) a curable organopolysiloxane containing at least 5 mol % of diphenylsiloxane units or at least 10 mol % of methylphenylsiloxane units, (B) a curing agent, and (C) a specific polyether cures into an elastomeric or gel-like silicone product having excellent hydrophilic properties and prevents separation of the polyether over time.

Abstract: The invention provides in one form a macromonomer comprising a polysiloxane copolymer having a backbone structure derived from siloxane monomer units that are substituted or unsubstituted arylsiloxanes, arylalkylsiloxanes, alky(alkyl)siloxanes of the general formula —R1R2SiO— and wherein the terminal groups of the copolymer backbone include crosslinkable groups and wherein pendent from the backbone are at least two crosslinkable groups. The macromonomer may be cured in vivo by ultraviolet or visible light. The invention includes intraocular lenses formed by such macromonomers.

Abstract: Hole transport layer compositions comprising a silylated aryl amine and a polymeric component, to enhance performance of an associated electroluminescent device.

Abstract: A thermal transfer image-receiving sheet comprising, on a support, at least one image-receiving layer comprising a polymer latex having a polysiloxane structure of the following formula [1] in the side chain: wherein R1 and R2 represents hydrogen, alkyl or aryl; n is 1 to 500.

Abstract: A polysiloxane having a refractive index of about 1.56 measured at light wavelength 633 nm, characterized in that the polysiloxane includes siloxane T units of the formula where A represents an alkylene group having 1 to 4 carbon atoms: n=0 or 1; m is at least 1; and Ar is an aryl group substituted by at least one iodine, bromine or chlorine atom, or is a polynuclear aromatic group. The invention includes chlorosilanes having the formula (Ar) m-(A)nSiCl3, useful in forming high refractive index polysiloxanes.

Abstract: This invention relates to a coating composition comprising (A) 100 weight parts of a compound containing at least one acrylate group or a compound containing at least one isocyanate group; (B) at least one aminofanctional silicone resin; (C) up to 300 weight parts of at least one organic hardener; and (D) up to 5 weight parts of at least one cure rate modifier. The coating compositions of this invention are useful as a stand alone coating or as ingredients in flame retardant coating compositions, fabric or fiber coating compositions, UV resistant coating compositions, paint formulations, powder coatings, architectural coatings and adhesives. The coating compositions of this invention have enhanced thermal stability, particularly when used in coatings, paints, powder coatings, architectural coatings, and adhesives.

Abstract: A porous film-forming composition is provided comprising (A) a polymer obtained by hydrolytic condensation of a hydrolyzable silane having formula (1): R1n—Si—R24-n??(1) wherein R1 is a monovalent organic group or hydrogen, R2 is a hydrolyzable group or a hydroxyl group and n is an integer of 0 to 3, a hydrolyzate thereof or a partial condensate thereof, with the proviso that at least one silicon compound having an organic crosslinkable group as R1 is included, the polymer being capable of crosslinking reaction by the organic crosslinkable group, and (B) an organic solvent. The composition has improved storage stability, filling properties, adhesion and coating uniformity sufficient to form a sacrificial film which is dissolvable in a stripping solution.

Abstract: The present invention relates to a composition comprising: (a) a polymer having at least one repeating unit of formula where R1 is a non-hydrolysable group and n is an integer ranging from 1 to 3; and (b) a crosslinking catalyst. The composition is useful in forming low k dielectric constant materials and as well as hard mask and underlayer materials with anti-reflective properties for the photolithography industry.

Abstract: High refractive index and optically clear copoly(carbosilane and siloxane) elastomers and ophthalmic lenses made therefrom are provided. The elastomers are comprised of copolymers having carbosilane repeat units and siloxane repeat units. The copolymers and ophthalmic lenses of the present invention have a high refractive index and excellent folding recoverability.

Abstract: Silicon-containing layers that have been prepared by a sol-gel method and include sol-gel polymerization products of siloxane-containing compounds, disilanol compounds and alcohols are provided. Methods for preparing silicon-containing layers including sol-gel polymerization products of siloxane-containing compounds, disilanol compounds and alcohols are also provided. In addition, photoreceptors and image-forming apparatus including such silicon-containing layers are provided.

Abstract: Herein we disclose a composition, comprising a siloxane resin having the formula (HSiO3/2)a. (SiO4/2)b(HSiX3/2)c(SiX4/2)d, wherein each X is independently —O—, —OH, or —O—(CH2)m—Zn, wherein each m is independently an integer from 1 to about 5, Z is an 5 aromatic moiety, and each n is independently an integer from 1 to about 6; 0<a<1, 0<b<1, 0<c<1, 0<d<1, and a+b+c+d=1. We also disclose methods for preparing the siloxane resin composition and a method of preparing an anti-reflective coating on a substrate, wherein the anti-reflective coating is derived from the siloxane resin composition.

Abstract: Compounds that include silicon-containing groups, and optionally urethane groups, urea groups, or combinations thereof (i.e., polyurethanes, polyureas, or polyurethane-ureas), as well as materials and methods for making such compounds.

Abstract: The in vitro polymerization of silica, silicone, non-silicon metalloid-oxane and metallo-oxane polymer networks, by combining a catalyst and a substrate to polymerize the substrate to form silica, polysiloxanes, polymetalloid-oxanes polymetallo-oxanes (metal oxides), polyorganometalloid oxanes, polyorganometallo oxanes, and the polyhydrido derivatives thereof, at about neutral pH.

Abstract: An antireflective composition and a lithographic structure comprising a silicon-metal oxide, antireflective material derived from the composition. The antireflective composition comprises a polymer of formula I, wherein 1?x?2; 1?y?5; 1?0; m>0; n>0; R is a chromophore, M is a metal selected from Group IIIB to Group VIB, lanthanides, Group IIIA, Group IVA except silicon; and L is an optional ligand. The invention is also directed to a process of making a lithographic structure including a silicon-metal oxide, antireflective material.

Abstract: Disclosed herein are fluorescent polysiloxanes and methods of making them. Fluorescent aryl alcohols or fluorescent aryl carbinols are reacted with hydropolysiloxanes in the presence of a catalyst to link the fluorescent groups to the polysiloxane chain through an ether linkage. The resulting compounds are fluorescent and have other desirable properties.