Abstract: The present invention relates to a polycarbonate resin composition and an optical molded article comprising the same. The polycarbonate resin composition according to the present invention is excellent in transmittance and color stability and thus can ensure high transparency, and further can enhance the stability of a polycarbonate resin.

Abstract: The invention relates to surface modifying macromolecules (SMMs) having high degradation temperatures and their use in the manufacture of articles made from base polymers which require high temperature processing. The surface modifier is admixed with the base polymer to impart alcohol and water repellency properties.

Abstract: A flexible organic light emitting display apparatus comprising a flexible encapsulation layer comprising at least one aluminum oxide layer configured to cover an area having a plurality of pixels, a flexible barrier film comprising a flexible barrier film body and a pressure sensitive adhesive layer on the flexible encapsulation layer and an adhesion supporter directly contacting the aluminum oxide layer and the pressure sensitive adhesive layer.

Abstract: A wiring method is provided in which an insulating layer is formed on a surface of a semiconductor device 1 of which a plurality of connecting terminals are exposed, a resin film is formed on a surface of the insulating layer, a groove of a depth equal to or exceeding a thickness of the resin film is formed from a surface side of the resin film so that the groove passes in a vicinity of connecting terminals that are to be connected, and furthermore communicating holes which reach the connecting terminals to be connected from this portion that groove passes in the vicinity thereof are formed.

Abstract: Disclosed is a coating composition for coating polycarbonate substrates. The coating composition comprises (A) at least one radiation-curing binder, (B) nanoparticles, and (C) optionally at least one reactive diluent and/or optionally a solvent, and wherein the nanoparticles (B) comprise silicon dioxide nanoparticles , the silicon dioxide nanoparticles have a d50 of between 80 and 300 nm, and the silicon dioxide nanoparticles have a particle size distribution wherein less than 15% by weight of the particles have a size in the range of less than 80 nm, 75% to 95% by weight of the particles have a size in the range from 80 to 300 nm, 0% to 5% by weight of the particles have a size in the range from more than 300 to 1000 nm, and 0% to 5% by weight of the particles have a size in the range from more than 1000 nm to 10 000 nm.

Abstract: The present disclosure relates to thermoplastic compositions, methods of making thermoplastic compositions, and articles made from thermoplastic compositions. The disclosed compositions comprise a polycarbonate polymer, a triacylglyceride release agent, and a monoacylglyceride release agent. In an embodiment, the thermoplastic composition comprises: greater than 90 weight percent based on the total weight of the composition of a melt polycarbonate polymer; a triacylglyceride release agent; and a monoacylglyceride release agent. The total amount of triacylglyceride release agent and the monoacylglyceride release agent is 0.01 to 0.5 weight percent based on the total weight of the composition.

Abstract: A modified health diagnostic compact disc (HDCD) comprising (a) a protective layer; (b) a reflective layer; (c) a dye layer (d) a polycarbonate layer; and (e) a micro fluidic layer. In a certain aspect, the polycarbonate layer of the HDCD contains a data layer. The micro fluidic layer of the HDCD is composed of polydimethylsiloxane (PDMS). The micro fluidic layer of the HDCD contains one or more donut-shaped trenches. The micro fluidic layer of the HDCD is associated with conjugated microparticles in solution. The HDCD further comprises integrated microneedles. The modified health diagnostic compact disc can be used by methods of the invention to identify and/or measure the presence of biologic cells utilizing a standard computer compact disk drive.

Abstract: A first substrate is formed to include a surface on which a first record layer is formed, and which includes an inner circumferential portion on which a ring-shaped member is provided. Ultraviolet curing resin is dropped onto part of the surface which is located inward of the ring-shaped member, and the first substrate is then spun to coat the first record layer with the ultraviolet curing resin. Furthermore, a second substrate is formed to include a surface on which a second record layer is formed, and the second substrate is spun to coat the second record layer with ultraviolet curing resin. Then, the first and second record layers are made to face each other, and the first and second substrates are bonded to each other by the ultraviolet curing resin.

Abstract: A recordable information consists of a flat polycarbonate disk having two main faces and a light sensitive film covering one main face and on which information may be recorded. The film is multi-layered with at least two elementary superposed layer respectively containing one element A and one element B, one of the layers containing an element chosen in the Group IIIa, while the other layer contains an element chosen in Groups Va or VIa; or one of layers contains an element from Groups IIa or IIb while the other layer contains an element from Group VI. The thickness of each layer is nearly identical and the overall thickness of the light-sensitive film being at least equal to 35 nm. A burning process for safely and durably recording information on such a medium is also disclosed.

Abstract: This invention relates to DVDs made from polycarbonate and a special UV curable bonder material consisting of A) an urethane acrylate oligomer as binder, which is the reaction product of i) one or more polyisocyanates and ii) one or more hydroxyfunctional lactone ester (meth)acrylates having a number average molecular weight of from 200 g/mol to 2000 g/mol and having the formula: CH2?C(R1)—C(O)—O—R2—[O—C(O)—R3]n—OH wherein, n is an integer from 1 to 5, R1 is hydrogen or methyl, R2 represents an alkylene group or substituted alkylene group having from 2 to 10 carbon atoms and R3 represents a straight or branched chain alkylene group of from 3 to 8 carbon atoms, and which may be substituted with one or more alkyl groups having from 1 to 12 carbon atoms, B) a reactive thinner, comprising of mono functional acrylates and/or (meth)acrylates C) a photo initiator and D) optional additives which offers improved performance at high data transfer rates.

Abstract: The present invention relates to a process for the coating of polycarbonate substrates, in particular of transparent polycarbonate substrates, by applying a transparent coating composition encompassing at least one radiation-curing binder resin (A) and/or reactive diluent (C), nanoparticles (B), optionally solvent and at least one light stabilizer (L), to a polycarbonate substrate, wherein the coating composition comprises at least one light stabilizer (L) which comprises, per molecule, an average of at least one ethylenically unsaturated group bonded by way of a urethane group. The present invention also relates to the coating compositions used in said process, and to the coated polycarbonate substrates obtainable via is the process, and to their use.

Abstract: An article comprising the compound of Formula (I): wherein R1 is selected from the group consisting of an aliphatic functionality having 1 to 12 carbons, an aromatic functionality having 3 to 20 carbons, and a cycloaliphatic functionality having 3 to 20 carbons; R2 and R3 are independently selected from the group consisting of a hydroxyl group, a halogen atom, an aliphatic functionality having 1 to 12 carbons, an aromatic functionality having 3 to 20 carbons, and a cycloaliphatic functionality having 3 to 20 carbons; Y is either an oxygen atom or a sulfur atom; “n” has a value of 0 to 4; and “m” has a value of 0 to 3.

Abstract: Disclosed is a coating composition for coating polycarbonate substrates. The coating composition comprises (A) at least one radiation-curing binder, (B) nanoparticles, and (C) optionally at least one reactive diluent and/or optionally a solvent, and wherein the nanoparticles (B) comprise silicon dioxide nanoparticles, the silicon dioxide nanoparticles have a d50 of between 80 and 300 nm, and the silicon dioxide nanoparticles have a particle size distribution wherein less than 15% by weight of the particles have a size in the range of less than 80 nm, 75% to 95% by weight of the particles have a size in the range from 80 to 300 nm, 0% to 5% by weight of the particles have a size in the range from more than 300 to 1000 nm, and 0% to 5% by weight of the particles have a size in the range from more than 1000 nm to 10 000 nm.

Abstract: This invention relates to an optical recording medium in which at least a recording layer and a light transmitting layer are sequentially formed on a substrate and in which the light is illuminated from the light transmitting layer side for recording and/or reproducing information signals, said substrate comprising an injection molded part, and said substrate having a Young's modulus E of at least 2.15 GPa and a Q factor of lower than 160 measured at 25° C. at 2000 Hz in accordance to ASTM E 756-05 05 and a transcriptability of the pit/groove structure of >85%.

Abstract: An optical information recording medium includes a recording layer, wherein the recording layer includes a thermoplastic resin and inorganic oxide particles dispersed in the thermoplastic resin.

Abstract: An optical recording media includes a substrate, a cap layer opposite to the substrate, at least one first stacked recording structure, at least one second stacked recording structure, and a space layer. The first stacked recording structure including a first recording layer disposed between the substrate and the cap layer and a reflective layer disposed between the substrate and the first recording layer is disposed between the substrate and the cap layer. The second stacked recording structure including a second recording layer disposed between the substrate and the cap layer and an Nb2O5 interface layer disposed between the substrate and the second recording layer is disposed between the substrate and the cap layer. The spacer layer is disposed between the first and second stacked recording structures, the first stacked recording structures, and the second stacked recording structures. One of the first stacked recording structures is disposed directly on the substrate.

Abstract: An optical disc is described that bears, on one surface, a plurality of color-forming layers that can form a multicolored image when heated in contact with a thermal print head. The color-forming composition comprises color-forming layers and thermally-insulating spacers and is designed such that warping of the optical disc in conditions of changing temperature and humidity is minimized. The compliance of the color-forming composition is such that intimate contact between the thermal print head and the printable surface of the disc can be maintained as one is translated relative to the other. Methods for assembling such an optical disc are provided.

Abstract: An optical article configured to transform from a pre-activated state of functionality to an activated state of functionality is provided. The optical article includes an optical data layer for storing data, wherein the data is read from the optical data layer in an activated state of functionality, and a material capable of undergoing a morphological transformation being disposed on the optical data layer and adapted to irreversibly alter from a first morphology to a second morphology upon interaction with the external stimulus to alter the state of functionality of the optical article from a pre-activated state to the activated state.

Abstract: An optical recording medium includes: a substrate; an information recording layer formed on the substrate for recording and reproducing an information signal by irradiation with light; and a light transmission layer formed on the information recording layer and transmitting the light, the storage elastic modulus of the light transmission layer at ?5° C. being within a range of 1500 MPa or less.

Abstract: The invention relates to optical information storage. According to the invention, what is provided is a high-resolution optical information storage structure, comprising a substrate (10) provided with physical marks, the geometric configuration of which defines the information recorded, a superposition of three layers over the top of the marks on the substrate, and a transparent protective layer over the top of this superposition, the superposition comprising an indium antimonide or gallium antimonide layer (14) inserted between two ZnS/SiO2 dielectric layers (12, 16). The information may be prerecorded in the substrate with a resolution (in terms of size and space) better than the theoretical read resolution permitted by the wavelength of the read laser. The non-linearity in behaviour of the three-layer superposition allows the information to be read if the laser power is well chosen.

Abstract: Optical information media that contain a data layer material that is substantially inert to oxidation and has a defined melting point range are disclosed. The inertness to oxidation and melting point range make the media particularly attractive for long-term information storage.

Abstract: A recording layer including a novel dye for a high density optical recording medium, employing short wavelength laser source with a wavelength not longer than 530 nm for recording high density information and reproduction/playback of the high density information recordings, is provided.

Abstract: Optical information media containing a magnesium metal layer and a reactive material layer are disclosed. The magnesium metal can react directly with the reactive material layer, or with a chemical evolved from the reactive material layer after application of energy from a source such as a laser.

Abstract: An optical recording medium is provided. The optical recording medium includes a first recording layer and a second recording layer. The second recording layer includes a compound in the form of (CuXM(1-X))YO(1-Y), where M is one of Sn, Si, Zn, Al, Mg, Ge, Sb or Te, and X is approximately 0.5 to 1, and Y is approximately 0.001 to 0.1.

Abstract: An optical recording medium is provided. The optical recording medium includes a first recording layer and a second recording layer. The first recording layer includes a compound in the form of M(1?x)Ox, where M is one of Si, Zn or Sn, and X is approximately 0.001 to 0.1.

Abstract: Optical information media having a support substrate and an inorganic nanomaterial data layer are disclosed. The data layer provides enhanced stability and optical performance as compared to conventional data layers.

Abstract: A recording layer including a novel organic dye compound (I) for a high density optical recording medium is provided. The organic dye compound (I) has the following general chemical structural formula: wherein [A]+ includes alkaline metal ion, wherein R1, R2, R3, R4, R5 and R6 each independently represent hydrogen, straight or branched C1-8 alkyl, C1-3 alkoxyl, halogen, nitro, benzyl group or substituted benzyl group wherein a substituent thereof is C1-2 alkyl, C1-2 alkoxyl, halogen or nitro. The organic dye compound (I) exhibits a maximum absorbance at a wavelength range of 400-550 nm.

Abstract: Optical information media containing an ultraviolet protection layer are described. The protection layer will reduce or eliminate damage to the media's data layer and substrate.

Abstract: A polycarbonate resin which is reduced in the change of hygroscopic-expansion coefficient with changing environ-mental humidity, is inhibited from warping, and is suitable for use as an optical material is provided with excellent productivity. The polycarbonate resin is obtained by reacting an aromatic dihydric phenol compound (2,2-bis(4-hydroxyphenyl)propane, etc.), a compound forming a carbonic ester (phosgene, etc.), and a chain terminator represented by the following general formula (A) (dodecyl 4-hydroxybenzoate, etc.). [Chemical formula 1] (A) (In the formula (A), n is an integer of 10-20.

Abstract: A coating composition containing a solvent and a coating agent having an ionizing radiation-curable compound as a principal component thereof, wherein under the following condition for the concentration a (wt %) of the coating agent in the coating composition 0<a?60, the concentration a of the coating agent and the surface tension b (dyne/cm) of the coating composition satisfy the following relationship b?(?a/15)+26, is applied onto a surface of a protective film 11 and curing is carried out to form a hard coating layer 12. Even in the case that projections or foreign bodies are present on the surface of the protective film 11, the hard coating layer 12 can conceal these and hence can have high surface smoothness.

Abstract: Ternary optical data storage method and apparatus for Write Once Read Many Times (WORM) optical data storage with two-photon fluorescent writing and readout. The data storage capacity is limited by the optical resolution of a system. In CD/DVD systems, an increase in the aerial data density has been primarily achieved by decreasing the bit dimension. However, the size of the optical spot (bit) is restricted by limitations imposed by the diffraction of light (Rayleigh criterion). Therefore, technologies that can effectively create and detect spot sizes beyond the diffraction limit (sub-Rayleigh) hold promise to achieving high-density optical storage.

Abstract: The method comprises chemical modification of an optionally metallized polymer surface, for example a polycarbonate surface or a polymethacryllate surface functionalized with amino groups, said surfaces being optionally metallized, by treating said polymer surface with a mercaptoalkanoic acid or the salts or derivates thereof. The surfaces obtained by said method may be used as solid supports for immobilizing biomolecules, such as nucleic acids, proteins or membranes.

Abstract: A recording material of Ag1-xSbx (x=10.8˜25.5 at. %) films for WORM optical disk recording media is invented. The thermal analysis shows that the phase change temperature of AgSb film is between 250 and 270?. The optical property analysis shows that all the as deposited films have good optical absorption and high reflectivity. The X-ray Diffraction analysis shows that the as deposited film and the annealed film are kept at ??-AgSb crystalline phase. The TEM analysis shows that the grain size of the Ag80.9Sb19.1 film will grow after annealing. The dynamic test shows that the carrier-to-noise ratio (CNR) of the Ag80.9Sb19.1 optical disc is about 45 dB with ?=657 nm, NA=0.65 and a linear velocity of 3.5 m/s. These Ag1-xSbx films have good optical absorption, high reflectivity and good carrier-to-noise ratio. It can be used as the WORM optical disk recording film.

Abstract: The invention relates to a transparent thermoplastic blend of polycarbonate (PC) and a copolymer of methyl methacrylate (MMA) and naphthyl methacrylate or a substituted naphthyl methacrylate. This copolymer has excellent miscibility with polycarbonate resin, even at elevated temperature, producing transparent polycarbonate blends. The blend provides an improved scratch resistance of polycarbonate while maintaining its excellent optical properties.

Abstract: The invention relates to a process for the preparation of polycarbonate by the melt transesterification method, polycarbonate having a small buildup of electrostatic charge and obtainable by this process and shaped articles or extrudates, in particular optical data stores or diffuser discs, comprising this polycarbonate.

Abstract: Optical recording mediums comprising a substrate and a recording layer and a light transmitting layer sequentially disposed on the substrate; wherein the substrate comprises one or more parts selected from the group consisting of injection molded parts, injection molded sandwich structures having a molded surface layer and a molded core layer or two injection molded parts which are UV-bonded, and combinations thereof; and wherein the substrate has a Young's modulus E of at least 2.15 GPa and a Q factor of lower than 160 measured at 25° C. at 2000 Hz in accordance to ASTM E 756-05.

Abstract: A recording layer including a novel organic compound for a high density optical recording medium is provided. The information may be recorded on the recording layer at a 2× speed or higher speed with a relatively lower writing power so that heat distribution of the recording layer in the irradiated area is not likely to become steep both in time and space. The organic compound incorporated in the recording layer has the following general chemical structural formula (I).

Abstract: A three-level recording phase-change optical disc including a first recording layer, a second recording layer, a third recording layer, a reflective layer, and a dielectric layer is provided. The first recording layer, the second recording layer, and the third recording layer can form three recording regions with three different reflective indexes respectively so as to increase the recording density of the optical disc.

Abstract: Provided are: a molding material for a Blu-ray Disc substrate or an HD DVD substrates which is reduced in the occurrence of appearance failures and can realize a stable yield; and a method of producing the molding material. The molding material for a Blu-ray Disc substrate or an HD DVD substrate includes: an aromatic PC resin produced by an interfacial method (A); 150 to 350 ppm (in terms of mass ppm of a total amount of the molding material, the same applies hereinafter) of fatty acid monoglyceride having 14 to 30 carbon atoms (B); 10 to 150 ppm of PETS (C); and 30 to 120 ppm of antioxidant (D). The method of producing the molding material includes: introducing the component (A) into an extruder together with, with respect to the amount of the component (A), 150 to 350 ppm of fatty acid monoglyceride having 14 to 30 carbon atoms (B), 10 to 150 ppm of PETS (C), 30 to 120 ppm of antioxidant (D), and 500 to 1,000 ppm of water (E) having an electrical conductivity of 1 ?S/cm or less at 25° C.

Abstract: An optical data storage comprising a thermoplastic copolycarbonate is disclosed. The copolycarbonate contains at least one unit derived from dihydroxydiphenyl ether and at least one unit derived from at least one member selected from the group consisting of 4,4?dihydroxybiphenyl and 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane.

Abstract: An article comprising the compound of Formula (I) wherein X is hydrogen or a radical of Formula (II), R1 independently at each occurrence is a C1-C20 aliphatic radical, a C3-C10 cycloaliphatic radical, or a C3-C10 aromatic radical; R2, R3, R4 and R5 are independently at each occurrence a halogen, a nitro group, a cyano group, a hydroxy group, a C1-C20 aliphatic radical, a C3-C20 cycloaliphatic radical, or a C6-C20 aromatic radical; and “n”, “q”, and “p” are each independently integers having a value of 0 to 3, and “m” is an integer having a value of 0 to 4.

Abstract: A data storage medium includes a substrate, a reflective metal layer, and a haze-prevention layer between the substrate and the reflective metal layer. The substrate includes an amorphous thermoplastic resin having a heat distortion temperature of at least about 140° C., a density less than 1.7 grams per milliliter, and an organic volatiles content less than 1,000 parts per million measured according to ASTM D4526. The haze-prevention layer includes a material having a volume resistivity of at least 1×10?4 ohm-centimeters and a tensile modulus of at least about 3×105 pounds per square inch. The data storage medium resists hazing of the reflective layer at elevated temperatures.

Abstract: In one embodiment, a colored polymeric resin composition, comprises: a polymeric resin; and a 1,8-diaminoanthraquinone derivative having a purity of greater than or equal to about 90 wt % and having a Formula (VIII): wherein R2–R7 are, individually, selected from the group consisting of a hydrogen atom, a hydroxyl group, an alkoxy group, an aryloxy group, an aliphatic group, an aromatic group, a heterocyclic group, a halogen atom, a cyano group, a nitro group, —COR9, —COOR9, —NR9R10, —NR10COR11, —NR10SO2R11, —CONR9R10, —CONHSO2R11, and —SO2NHCOR11; in which R9 and R10 are, individually, selected from the group consisting of a hydrogen atom, an aliphatic group, an aromatic group, and a heterocyclic group; wherein R11 is selected from the group consisting of an aliphatic group, an aromatic group, and a heterocyclic group; and wherein R is selected from the group consisting of hydrogen, an alkyl group containing 1 to 20 carbon atoms, a cycloalkyl group containing 3 to 20 carbon atoms, an allyl group containi

Abstract: A storage media comprises: a substrate comprising a plastic resin portion, wherein to plastic resin portion comprises poly(arylene ether) and a styrene material selected from the group consisting of polystyrene, styrenic copolymer(s), and reaction products and combinations comprising at least one of the foregoing styrene material(s), and a data layer on the substrate. The data layer can be at least partly read from, written to, or a combination thereof by an energy field. Additionally, when the energy field contacts the storage media, the energy field is incident upon the data layer before it could be incident upon the substrate.

Abstract: Disclosed is a method of authenticating that a test polymer is an authenticatable polymer, wherein the authenticatable polymer has an authentication signal and comprises a substrate polymer and an optically variable tag, the optically variable tag having a fluorescence emission whose wavelength and/or intensity change over time, the method comprising subjecting the test polymer to a stimulus sufficient to cause fluorescence of the optically variable tag, determining a test signal from the fluorescence of the test polymer, and authenticating that the test polymer is an authenticatable polymer if the test signal is the same as the authentication signal of the authenticatable polymer.

Abstract: A data storage medium includes a haze-prevention layer between a heat-resistant thermoplastic substrate and a reflective metal layer. The haze-prevention layer includes a metal having a tensile modulus of at least about 15×106 pounds per square inch. The data storage medium resists hazing of the reflective layer at elevated temperatures.

Abstract: A reflective article useful, for example, in automotive headlights includes a haze-prevention layer between a heat-resistant thermoplastic substrate and a reflective metal layer. The haze-prevention layer includes a metal having a tensile modulus of at least about 15×106 pounds per square inch. The article resists hazing of the reflective layer at elevated temperatures.

Abstract: The present invention relates to a polycarbonate resin that has a viscosity average molecular weight of from 10,000 to 17,000 and has characteristic features in an iron content, a free total phenol content, a content of a releasing agent, a fraction of hydroxyl end groups, a 1H-NMR spectrum or the like. The polycarbonate resin has less defects due to flash without increase of an addition amount of a releasing agent to an unnecessary level and therefore is suitable for a material of an optical disk substrate.

Abstract: The invention relates to transparent blends of polymers suitable for use in optical articles; the polymers contain residues of BCC and its derivatives, and have properties particularly suited for use in high density optical data storage media. The polymers further contain residues of other polymers, such as ?-methyl polystyrene and polystyrene derivatives; bisphenols, such as bisphenol A; cycloaliphatic polyester resins, such as PCCD and its derivatives or some combination of each.

Abstract: The colored data storage media comprises a substrate comprising colorant and plastic, wherein the substrate has a transmissivity of about 85% or less, at a readback laser wavelength, when traversing a 1.2 mm thick colored substrate (disk). Alternatively, the storage media comprises: a substrate comprising a fluorescent colorant and plastic, wherein the substrate has a fluorescent color emission wavelength which is not equal to the readback laser wavelength.