Abstract: The present invention relates to fibrous pulp comprising a combination of polypyridobisimidazole fibrous structures and fibrous structures derived from another polymer. The invention further relates to processes for making such pulp and articles comprising the pulp.

Abstract: There is disclosed a method of manufacturing a ceramic honeycomb structure, which is capable of controlling a length of slurry pressed into each cell of the honeycomb structure when predetermined cells are plugged at an end surface of the honeycomb structure. A film 4 is attached to an end surface of the honeycomb structure 1. Holes 3a, 3b through the film 4 are made at a position corresponding to openings of predetermined cells 2a, 2b. The end surface is immersed into slurry 6 stored in a container 5 and the end surface is pressed so that the slurry 6 is pressed into the openings of the predetermined cells 2a, 2b. When the holes are made, two or more types of holes 3a, 3b having different diameters are made.

Abstract: This invention involves apparatus and methods for making fibers by passing a molten material like glass, polymer, etc. through orifices or tips in a fiberizing bushing and then cooling the molten material coming from the tips and newly formed fibers using cooling tubes. The cooling tubes are made from precious metals and various alloys comprising precious metals, nickel and one or more of titanium, chromium, molybdenum, etc. The one or more fins attached to the top surface of a hollow tube to make the cooling tubes contain spaced apart gaps, notches and/or slots extending from the top edge of the fin to prevent warping of the fins and to make the cooling tube more bendable, adjustable during the operation of making fibers from molten material.

Abstract: In a method of forming a chalcogenide compound target, a first powder including germanium carbide or germanium is prepared, and a second powder including antimony carbide or antimony is prepared. A third powder including tellurium carbide or tellurium is prepared. A powder mixture is formed by mixing the first to the third powders. After a shaped is formed body by molding the powder mixture. The chalcogenide compound target is obtained by sintering the powder mixture. The chalcogenide compound target may include a chalcogenide compound that contains carbon and metal, or carbon, metal and nitrogen considering contents of carbon, metal and nitrogen, so that a phase-change material layer formed using the chalcogenide compound target may stable phase transition, enhanced crystallized temperature and increased resistance. A phase-change memory device including the phase-change material layer may have reduced set resistance and driving current while improving durability and sensing margin.

Abstract: A power and fluid feeding apparatus for providing energy and cooling and operating fluid at molding apparatuses of glassware forming machine having single or multiple forming cavities, of the type including a blank mold forming station, an intermediate station, a blow forming station, and a take out station by the blow-and-blow process, press-and-blow wide mouth or narrow neck process, press-and-blow paste mold process and direct press.

Abstract: The apparatus performs a forced reshaping of a flat green glass part during a ceramicizing process in which the viscosity of the glass is temporarily lowered due to crystallization heat. The apparatus includes a continuous furnace (3) for the ceramicizing process: a reshaping device (2?) provided with activating openings (6); and vertically movable pressure-operated reshaping tools (9) arranged in the reshaping device (2?). The furnace (3) is provided with lateral openings (4) for temporarily connecting activating lines (8) to the activating openings (6) of the reshaping device (2?) in a sealed manner in order to operate the reshaping tools (9) by supplying pressurized air to the reshaping device or by producing a low pressure in the reshaping device (2?).

Abstract: A method of manufacturing a porous body is provided, including a step of firing a formed honeycomb body including an aluminum source material and a titanium source material to obtain a fired porous honeycomb body containing aluminum titanate as a main component. In this method, 50 mass % or more of particles having particle diameters in a range of 10 to 20 ?m are used as the aluminum source material, and the amount of the aluminum source material is such that the amount of an aluminum component in the fired honeycomb body is 48 mass % or more in terms of Al2O3.

Abstract: A method is disclosed for producing a ceramic substrate made of base that includes a stack of layers. Each layer in the stack includes a non-sintered ceramic material and a binder. The method includes debinding the layers in a temperature interval of TE1-TE3, where TE1 is a minimum debinding temperature and TE3>TE1, and sintering the layers at a temperature TS, where TS?TE3. Debinding and sintering are performed in a same furnace, and a temperature T of the base does not fall below TE1 during debinding and sintering.

Abstract: A method of producing a glass-particle-deposited body that has a small diameter variation and the like resulting from alteration of the deposition condition is offered. When the glass-particle-deposited body is produced, a burner row constituted by placing a plurality of burners is moved relative to a starting member, and glass particles ejected from the burners are deposited on the starting member. In the method of producing a glass-particle-deposited body, alteration of the deposition condition is performed during the course of the deposition of the glass particles on the starting member. The method of producing a glass-particle-deposited body has a feature in that the alteration of the deposition condition is performed at least twice and that the burner positions along the length of the starting member at which the deposition condition is altered are placed at intervals shorter than the intervals between burners.

Abstract: Apparatus and methods for making a continuous fiber product by gathering a plurality of fibers into a strand in contact with a pad wheel that is driven with a low voltage, variable speed motor or drive, and controlling the RPM of the motor in response to a breakout detector. Other embodiments further include accelerating the RPM of the motor and pad wheel at a desired ramp-up rate following the resumption of desired fiberization.

Abstract: To provide a method for smoothing a surface of a glass substrate having a concave defect, such as a pit or a scratch. A method for smoothing a surface of a glass substrate having a concave defect thereon, comprising: forming a film on the surface of the glass substrate having the concave defect by a dry deposition method, the film comprising a glass material having a fluid point Tf of 150° C. or above and of not higher than a strain point Ts (° C.) of the glass substrate; and heating the film of the glass material at a temperature of not lower than Tf and not higher than Ts to put the film in such state that the film of the glass material can flow so as to bury the concave defect, followed by cooling the film of the glass material, thereby to smooth the surface of the glass substrate having the concave defect.

Abstract: The present invention provides a method for manufacturing a molding with a core by using compression molding means having upper and lower double-structured punches; the method comprising the steps of supplying molding material for the core and molding material for the outer layer respectively, the step of compression-molding the molding material for the core and/or the molding material for the outer layer, and the step of compression-molding the whole molding with a core, wherein: the step of supplying the molding material for the outer layer posterior to the step of supplying the molding material for the core is performed until a tip of the lower center punch finally takes a position protruding from a tip of the lower outer punch; and the step of compression-molding the whole molding with a core is performed with the tips of the lower center punch and the lower outer punch aligned with each other.

Abstract: A drying jig circulating apparatus includes a drying jig assembling apparatus for assembling a drying jig on a movable table, a drying apparatus for drying a ceramic molded body held by the drying jig, and a drying jig disassembling apparatus for disassembling the drying jig on a movable table, and a drying jig circulating conveyor for transporting the drying jig from the disassembling apparatus to the assembling apparatus. The drying jig is configured by two or more separate jigs with a fixing member that integrates the separate jigs, or formed by one openable jig with a fixing member for maintaining a closed state. The drying jig assembling apparatus further includes a molded body mounting mechanism, a ceramic molded body holding mechanism, and a jig delivering mechanism. The drying jig disassembling apparatus further includes a jig receiving mechanism, a jig releasing mechanism, and a molded body taking-out mechanism.

Abstract: A magnetic disk glass substrate manufacturing method includes a step of polishing a surface of a glass substrate to a mirror surface, a gas heating process step of causing a heated atmosphere and the glass substrate to contact each other so as to heat the glass substrate at a temperature T0, a step of causing a chemically strengthening salt melted exceeding a freezing temperature TF and the glass substrate to contact each other so as to chemically strengthen the glass substrate at a temperature T1, a gas cooling process step of causing a gas coolant and the glass substrate to contact each other so as to cool the glass substrate to a temperature T2, and a liquid cooling process step of causing a liquid coolant and the glass substrate to contact each other so as to cool the glass substrate to a temperature T3, the above-mentioned steps being included in this order, wherein the temperature T2 is set to a temperature less than the freezing temperature TF of the chemical strengthening salt in a gas cooling process

Abstract: When growing a silicon single crystal free of grown-in defects based on the CZ method, the crystal is pulled out at a critical pulling rate at which a ring-shaped OSF occurrence region vanishes in a center portion of the crystal by using a hot zone structure in which a temperature gradient Gc in a center portion of the crystal is equal to or greater than a temperature gradient Ge in a peripheral portion of the crystal, while supplying an inert gas including hydrogen to an interior of a pulling furnace. The critical pulling rate at which the ring-shaped OSF occurrence region vanishes in the center portion of the crystal is increased, and single crystals free of grown-in defects in which dislocation clusters and COPs can be grown by pulling at a pulling rate higher than that of the prior art.

Abstract: A heat insulating stamper is disclosed. The heat insulating stamper includes an uppermost section made of a metal material, a lowermost section made of the same material as the uppermost section, and a middle section having a heat conductivity lower than the uppermost section. The middle section includes the same metal material as the uppermost section and the lowermost section, and heat insulating portions.

Abstract: Provided are an apparatus and method for manufacturing a solidified salt that is easy to treat in size and shape by using a vacuum transfer and a dual vessel. In the apparatus for quantitative solidification of a molten salt, a molten salt is introduced into a first vessel, and a second vessel is disposed inside the first vessel and quantitatively supplied with the molten salt. A molten-salt transferring unit quantitatively transfers the molten salt from the first vessel to the second vessel by vacuum pressure. A valve controls a discharge of the molten salt from the second vessel. A mold receives the molten salt from the second vessel and solidifies the molten salt. Accordingly, the molten salt can be stably discharged to the mold by quantitatively transferring the molten salt at vacuum pressure within the dual vessel, and a predetermined size and shape of the solidified salt can be manufactured, thereby processing and collecting the solidified salt safely.

Abstract: A mold assembly (10; 40) for molding a hollow glass article comprising a mold (12) that is made up of a separable pair of mold elements (12a, 12b; 42) and a mold holder (14; 44) that surrounds a portion of the mold of substantial axial length. The mold is separable from the mold holder, and the exterior of each mold segment is provided with a plurality of cooling fins (12e; 42e). The mold holder is made up of a separable pair of mold holder sections (16, 18; 46), and each mold holder section has a fluid flow passage (20; 50) extending therethrough. The fluid flow passage is radially open to permit fluid flowing therethrough to flow inwardly against the fins of an adjacent mold element. Each mold holder section has a perforated screen (26; 56) affixed thereto to vary the distribution of the flow of fluid from the mold holder section against the fins of the adjacent mold element.

Abstract: Method of manufacturing dense carbon-carbon composite material by: infiltrating a fibrous preform with pitch to form pitch-infiltrated preform; carbonizing the pitch-infiltrated preform; injecting resin or pitch into the preform in a mold; oxygen stabilizing the filled preform and carbonizing and heat-treating the oxygen-stabilized impregnated preform; and subjecting the preform to a single final cycle of chemical vapor deposition. This process reduces densification time as compared to comparable conventional carbon-carbon composite manufacturing procedures.

Abstract: Chemical strengthening treatment is performed by first providing a granular chemical strengthening salt so as to prevent spread in atmosphere at the time of introduction of chemical strengthening salt in a treating vessel, introducing the chemical strengthening salt in a treating vessel, melting the chemical strengthening salt into molten chemical strengthening salt and bringing a glass disc into contact with the molten chemical strengthening salt. The granular chemical strengthening salt is, for example, one obtained by forming of a powdery chemical strengthening salt material into grains. A chemically strengthened glass substrate for magnetic disk can be obtained through the process of carrying out chemical strengthening treatment of magnetic disk glass substrates. A magnetic disk can be obtained by forming at least a magnetic layer on the chemically strengthened glass substrate for magnetic disk.