Abstract: A silicon oxide film 3′, 3″ is formed on each of the main surfaces of a first silicon single crystal substrate 1 (bond wafer) and a second silicon single crystal substrate 2 (base wafer), and the first and second silicon single crystal substrates are then brought into close contact so as to locate the silicon oxide films 3′, 3″ in between in an atmosphere of a clean air supplied through a boron-releasable filter, to thereby produce an SOI wafer 10. The second silicon single crystal substrate 2 employed herein comprises a silicon single crystal substrate having a bulk resistivity of 100 &OHgr;·cm or above. In thus produced SOI wafer 10, the silicon oxide film 3 has a depth profile of boron concentration in which the boron concentration reaches maximum at a thickness-wise position. This ensures manufacturing of SOI wafer excellent in high-frequency characteristics.

Abstract: A method is disclosed for manufacturing a plurality of laminae for use in a mold suitable for use in forming retroreflective cube corner articles. Each lamina has opposing first and second major surfaces defining therebetween a first reference plane. Each lamina further includes a working surface connecting the first and second major surfaces. The working surface defines a second reference plane substantially parallel to the working surface and perpendicular to the first reference plane and a third reference plane perpendicular to the first reference plane.

Abstract: An electronic dartboard block fabrication method includes the step of material preparation to prepare pieces of hem blocks, the step of shape molding to mold hem blocks into shaped blocks, the step of container preparation to prepare containers, the step of container setting to press-fit shaped blocks into the prepared containers, the step of grinding to grind the surface of the shaped block in each container, and the step of finishing to color the surface of the shaped block in each container.

Abstract: A plastic smart card, such as a card having a radio frequency identification (RFID) proximity function, including at least one electronic element embedded therein and a physical contact card function and the hot lamination process for the manufacture of this dual function smart card and other plastic cards including a micro-chip embedded therein. The process results in a card having a preferred overall thickness in the range of 0.028 inches to 0.032 inches with a surface suitable for receiving dye sublimation printing—the variation in card thickness across the surface should not exceed 0.0005 inches. A card manufactured in accordance with the present invention also complies with all industry standards and specifications. Also, the hot lamination process of the present invention results in an aesthetically pleasing card. The invention also relates to a plastic card formed in accordance with the hot lamination process of the present invention.

Abstract: A method for the production of a core material (1) composed of strips (2) of preferably fibrous material for a sandwich panel, in which sandwich panel the width direction (7) of the strips (2) is coincident with the thickness direction of the panel and a cover layer (8, 9) is attached to each of the longitudinal edges of the strips (5, 6), comprises cutting each strip (2) from an even number of layers with the formation of, in each case, a longitudinal edge (5, 6) having a cut surface (11) which, viewed in cross section of the strip (2), runs at an incline between the two surfaces (15, 16) of the strip (2).

Abstract: The invention includes a method for producing a covered roll having a reinforcement fiber mat under layer infused with low viscosity thermoset resin and a smooth high temperature, high performance polymeric outer layer. The mat is formed of a plurality of layers, each layer having a leading edge that abuts a following edge when wrapped over the roll core, each subsequent layer being affixed to the previous layer along a seam, the seams being spaced apart angularly from one another to prevent irregularities over the surface of the resulting roll core. One or more layers of the dry reinforcement fiber mat may be formed of a two-ply construction, the first ply having fibers arranged in a random pattern, the second ply having aligned fibers oriented either parallel or perpendicular to the roll core central axis. The invention also includes an improved mold tape assembly for use in applying a polymeric cover over a roll core and an inventive apparatus for fabricating the mold tape assembly.

Abstract: A method in which a separate preformed optical material is suitably sized for easy handling, manipulation, and fabrication into a waveguide having a core (formed from the optical material) having transverse cross-sectional dimensions on the order of only tens of microns. The method may include a plurality of mechanical steps, e.g., lapping, polishing, and/or dicing, and bonding steps, e.g., attaching with adhesives. In one embodiment, the method includes the steps of providing an optical material, thinning and polishing the optical material to form a core comprising a plurality of longitudinally extending surfaces, providing a plurality of support substrates, and attaching the plurality of support substrates to the longitudinally extending surfaces of the core. The plurality of support substrates may be attached to the plurality of longitudinally extending surfaces of the optical material with an adhesive.

Abstract: A fabrication and adhesion method for a polyaryl-ether-ketone (PAEK) device, such as a microfluidic device, is disclosed. At least one glassy uncrystallized PAEK substrate is heated up to near or above the glass transition temperature to allow the substrate to crystallize from the glass state, while embossing the substrate with patterns. Bonding the PAEK substrate to another substrate is accomplished using a solvent-resistant adhesive, such as a polyimide-based adhesive, in combination with an adhesion enhancement treatment. In certain embodiments, the adhesion enhancement treatment is a plasma treatment or a chemical sulfonation treatment.

Abstract: In a metal part in which a rubber is adhered to a portion or the whole of a surface thereof, and a surface treating method of the metal part, in order to improve an adhesive property between the metal and the rubber, to make it easy to form a surface roughness in a specific portion of a metal part, and to achieve an improvement of working accuracy in the surface roughness, an improvement of mold maintenance property, a reduction of working cost, a reduction of man hour, and the like, a surface roughness for increasing an adhesive property between the metal and the rubber is formed in a portion of a surface of the metal part to which the rubber is adhered, and the surface roughness is transcribed from a mold for working the metal part to the metal part by previously providing with a surface roughness in the mold. A magnitude of the surface roughness is preferably set to be 10 &mgr;m or more and less than 60 &mgr;m.

Abstract: A method of producing embossed-in-register building products. Reference edges are milled on a board. A resin soaked paper having a decorative motif is located on that board using the reference edges as a guide such that the decorative motif has a predetermined position relative to the reference edges. The board and paper are then located in a press machine having a press plate with a three dimensional surface that is registered with the decorative motif. The press plate presses into the board and paper at a predetermined pressure and predetermined temperature to set the resin, producing a final product. Resin and paper parameters are carefully controlled. The press plate is manufactured such that the plate's surface registers with the decorative motif when the press plate is hot. Appropriate hollowing and milling of the board can even out pressure distributions and to provide a completely closed surface without porosity.

Abstract: A method of making a vehicle window (e.g., windshield or backlite), wherein the method includes using sandblasting to delete a portion(s) of a coating (one or more layers) in an area which may require high visible light transmission in the resulting window. After a portion of the coating on a first sheet has been removed or deleted via sandblasting, the first sheet is laminated to another sheet via at least a polymer inclusive interlayer. The interlayer may include PVB in certain embodiments. The step of laminating significantly increases the visible transmission of the resulting vehicle window in the area where sandblasting was used to delete the portion of the coating.

Abstract: An optical device has a base body with a surface, a first optically effective, multilayer system in the base body, terminating at an intersection, and a second optically effective, multilayer system. The second system has a layer along the base body surface, spanning the intersection. The surface of the base body, including the intersection, are jointly treated by at least one of: milling, grinding, polishing, and lapping. A further base body with a further surface and a third optically effective system terminating at a further intersection area at the further surface also has a further layer between the second optically effective multilayer system and the further surface.

Abstract: A filled hollow fibre composite material is made by laying up a plurality of prepreg plies (1) of hollow fibre composite material and non-stick film material (2) one on top of another with the non-stick film material (2) interleaving successive plies (1) at selected areas thereof. The laid up interleaved plies are treated to resin bond the ply areas (3) not interleaved with the non-stick film material and leave the interleaved areas (4) unbonded. The so formed laminate is treated at edge regions to expose open unfilled hollow fibre ends (5, 6) and the plies in the unbonded interleaved areas (4) are separated at the non-stick film material (2) to provide access to the open hollow fibre ends (7) in each ply for the introduction of a film material into the hollow fibres through the open hollow fibre ends (7) in one or more of the separated plies (1) to form a filled hollow fibre composite material.

Abstract: The present invention is directed to a method of manufacturing of sintered bonded adhesive plates. The present invention comprises the steps of clearing the metal cores, applying thermosetting adhesives, such as phenolic or epoxy adhesives, to the core layer, then applying sintered layers on top of the adhesive layers and bonding said layers at a temperature in the range of 375-475 F, pressure in the range of 25-1000 psi and bonding such structure for at least 30 seconds. The metal core may be fabricated from metals whose melting point is at least 450 F, such as aluminum. The present invention presents a relatively inexpensive way of manufacturing sintered bonded adhesive plates.

Abstract: A new method for the bonding of painted construction parts, in particular for the structural bonding of painted metals surfaces is described. In a first step of the inventive method, a carcase work adhesive is applied onto all parts of the oiled steel sheet on which later on, during assembly, bonding shall be performed. For the bonding, the lacquer layers on the carcase work adhesive are removed prior to the application of an assembly adhesive. Said method is simple and rugged. In comparison with the state of the art it is more economic, enables a highly structural and high strength joining with high torsional strength and a high ageing resistant compound quality.

Abstract: A synthetic magnetodielectric composite material for absorbing electromagnetic radiation has a sheet of fabric having first and second surfaces. The fabric is formed of an insulating material. Magnetically permeable thread is disposed within the fabric. The magnetically permeable thread comprises a material having a permeability substantially greater than the permeability of free space. The fabric is impregnated with resin. The magnetically permeable thread is configured to provide predetermined permittivity and permeability within a selected frequency range, so as to provide desired absorption/transmission of electromagnetic radiation.

Abstract: Ground joint surfaces of two synthetic corundum pieces 4, 5 are supeposed on each other, and ends thereof are held in intimate contact with each other. The synthetic corundum pieces are then heated at a temperature equal to or lower than the melting point of synthetic corundum to joint the synthetic corundum pieces 4, 5.

Abstract: In a trim part for decorative purposes, especially in the interior, and in this case preferably for the interior trim of the passenger compartments of vehicles, a cover layer of natural stone is applied to the visible side of a base part. For this purpose, the negative shape of the base part is machined from a natural stone block and the two are combined permanently to form a sandwich. Then the surface is machined on the visible side, and finally clear lacquer is applied.

Abstract: A method of CNT field emission current density improvement performed by a taping process is disclosed. The method comprises following steps. First of all, a conductive pattern coated on a substrate by screen-printing a conductive slurry containing silver through a patterned screen is carried out. Thereafter, a CNT layer is attached thereon by screen-printing a CNT paste through a mesh pattern screen to form CNT image pixel array layer. The CNT paste consists of organic bonding agent, resin, silver powder, and carbon nano-tubes. After that the substrate is soft baked by an oven using a temperature of about 50-200° C. to remove volatile organic solvent. A higher temperature sintering process, for example 350-550° C. is then carried out to solidify the CNT on and electric coupled with the conductive pattern.

Abstract: In order to regenerate a brake lining preferably for a railway vehicle a friction lining (3) is worked by machining, startling from its worn surface (6) and provided with a three dimensional surface profile (7). The profiled surface (7) is then coated with an agglutmant and a fresh friction lining substance is pressed on. The worn surface is preferably worked by profile grinding or profile milling, such that a profiled surface structure (7) is produced having a teeth-like, trapezoidal or meander-shaped profile that is vertical to the surface, whereby the profile depth of the surface structure lies in the region of approx. 1-30 mm. preferably 5-20 mm. The profile is preferably oriented in one direction.

Abstract: Improved adhesion of platinum (Pt) alloy electrode deposition upon end surfaces of a cylindrical glass biological conductivity testing cell with mechanical resistance and chemical purity is obtained with removal of glass surface material in areas of Pt alloy deposition. Removal of surface material from the entire area of Pt alloy deposition by abrasion to a depth equivalent to the thickness of the deposition immediately prior to Pt alloy deposition obtains: (a) a chemically virgin surface without contaminants; (b) a uniform surface variation resisting shear displacement of the electrode; (c) disposition of the resulting electrode wholly within the overall cylindrical cell dimensions; (d) elimination of exposed edges of the electrode. Grooves effected with rotary abrasion upon interior and exterior end surfaces which are evenly spaced radially and axially with respect to the cylindrical structure provide resistance to displacement of the Pt alloy film.

Abstract: A method of fabricating devices incorporating microelectromechanical systems (MEMS) using UV curable tapes includes providing a silicon substrate 12 with a MEMS layer 14 arranged on one side of the substrate 12. A first UV curable tape 22 is applied to the MEMS layer 14. At least one operation is performed on the substrate 14 via an opposed side of the substrate 14. A second UV curable tape 32 is applied to the opposed side of the substrate 14 and the first tape 22 is removed by exposing it to UV light. At least one operation is performed on the MEMS layer to form individual MEMS chips which are able to be removed individually from the second UV tape 32 by localized exposure of the tape 32 to UV light.

Abstract: An object of the present invention is to provide a novel wafer support jig and a process for producing the same, said wafer support jig capable of considerably suppressing the generation of particles in the wafer heat treatment process, e.g., a CVD process, during the production of semiconductors. In order to solve the problems a quartz glass wafer support jig is suggested comprising a plurality of support pillars having provided thereto a plurality of ring-shaped support plates for mounting thereon the wafers, said support plates being superposed one after another with a predetermined distance taken between the neighboring plates in the vertical direction, a quartz glass wafer support jig characterized in that it comprises said ring-shaped support plates each having its upper and lower surfaces precisely polished and each having provided with chamfered portions formed by chamfering the upper and lower edge portions of the outer and inner peripheries thereof.

Abstract: A method and apparatus for temporarily attaching a pellicle membrane and frame to a photomask substrate until the assembly passes inspection, and then permanently bonding the frame to the substrate. In the preferred embodiment, a vacuum channel is provided in the pellicle frame to permit a vacuum to be drawn between the frame and the substrate. In alternate embodiments, a static adhesion is obtained between the flat surfaces of the pellicle frame and the substrate, and this static adhesion is improved by wiping a solvent on the bottom surface of the pellicle frame.

Abstract: A substrate for a microelectronic package comprising a substrate that has grooves on a surface for bonding. A method for preparing a substrate for bonding comprising forming a grooved surface in the substrate for accepting a die for bonding, wherein the grooves are of sufficient size to provide a substantially uniform die bond, but no so large as to nullify the thermal path to the underlying substrate.

Abstract: In a trim part for decorative purposes, especially in the interior, and in this case preferably for the interior trim of the passenger compartments of vehicles, a cover layer of natural stone is applied to the visible side of a base part. For this purpose, the negative shape of the base part is machined from a natural stone block and the two are combined permanently to form a sandwich. Then the surface is machined on the visible side, and finally clear lacquer is applied.

Abstract: In a method for manufacture of an optical element, a thin film is formed on a surface, such as a grating surface, an aspherical surface or a spherical surface, formed on a mold. Then, a substrate is bonded to the thin film. Subsequently, the thin film and the substrate are separated from the mold.

Abstract: A flexible metal foil laminate sheet wherein a polyimide layer comprises a polyimide laminate having a three-layer structure in which thermoplastic polyimide layers are formed on both the surfaces of a polyimide film; metal foil layers are heated and pressed against both the sides of the polyimide laminate; and the thickness of the thermoplastic polyimide layer is 100% or more of an average roughness at 10 points on the surface of the metal foil which contacts the thermoplastic polyimide layer; and a method for manufacturing the flexible metal foil laminate sheet. According to the present invention, there can be manufactured the flexible metal foil laminate sheet in which a necessary and sufficient adhesive force is present in an interface between a metal foil and an insulating layer and which is excellent in heat resistance, chemical resistance, electrical properties and the like.

Abstract: A processes for adhering a vulcanized rubber to a vulcanized rubber or an unvulcanized rubber. Adhesion of vulcanized rubbers to each other is conducted by using at least one of the vulcanized rubbers before vulcanization thereof according to steps of: (1) laminating a sheet material which can easily be peeled from a surface of a rubber after vulcanization to a rough surface of the rubber before vulcanization, (2) vulcanizing a resultant laminate, (3) removing the sheet material from the vulcanized laminate immediately before adhesion of the vulcanized rubber in the laminate to another vulcanized rubber, and (4) adhering the vulcanized rubbers to each other according to a method of adhesion. The adhering of the vulcanized rubbers to each other is also conducted by using a rubber composition for adhesion inserted between the vulcanized rubbers without procedures using the sheet material.

Abstract: An attachment between a monitoring device and an innerliner of a tire includes the use of an epoxy adhesive that bonds the monitoring device directly to the inner surface of the innerliner of the tire. The innerliner is first roughened in a manner that provides a roughened portion of the innerliner without removing the entire thickness of the innerliner. The entire thickness of the innerliner is not removed because the innerliner is preferably more than {fraction (1/16)} of an inch thick. The thickness of the innerliner allows the rigid cured epoxy to bond the monitoring device to the inner surface of the innerliner while allowing the innerliner to flex with the tire so as to not break the seal between the rigid epoxy and the innerliner. The monitoring device is preferably located at a low flex area of the tire to help avoid the problem of the innerliner flexing.

Abstract: An integral, lightweight combustion chamber/nozzle assembly for a rocket engine has a refractory metal shell defining a chamber of generally frusto-conical contour. The shell communicates at its smaller end with a rocket body, and terminates at its larger end in a generally contact contour, which is open at its terminus and which serves as a nozzle for the rocket engine. The entire inner surface of the refractory metal shell has a thermal and oxidation barrier layer applied thereto. An ablative silica phenolic insert is bonded to the exposed surface of the thermal and oxidation barrier layer. The ablative phenolic insert provides a chosen inner contour for the combustion chamber and has a taper toward the open terminus of the nozzle. A process for fabricating the integral, lightweight combustion chamber/nozzle assembly is simple and efficient, and results in economy in respect of both resources and time.

Abstract: A method for attaching an integrated circuit die to a mounting structure, the method having the steps of: forming a mounting structure having a die pad and at least one spreader; applying an adhesive to the die pad and the at least one spreader of the mounting structure; and attaching the integrated circuit die to the adhesive, wherein the at least one spreader is between the die pad and the integrated circuit die. Also, an integrated circuit package having: a mounting structure having a die pad and at least one spreader; an adhesive adhered to the die pad and the at least one spreader of the mounting structure; and an integrated circuit die adhered to the adhesive, wherein the at least one spreader is between the die pad and the integrated circuit die. Finally, a mounting structure for an integrated circuit die, the mounting structure comprising: a die pad for supporting the integrated circuit die; and at least one spreader for supporting the integrated circuit die at a distance from the die pad.

Abstract: A method is disclosed for manufacturing a plurality of laminae for use in a mold suitable for use in forming retroreflective cube corner articles. Each lamina has opposing first and second major surfaces defining therebetween a first reference plane. Each lamina further includes a working surface connecting the first and second major surfaces. The working surface defines a second reference plane substantially parallel to the working surface and perpendicular to the first reference plane and a third reference plane perpendicular to the first reference plane.

Abstract: Process and device for treating vulcanized rubber surfaces before bonding by creating surface roughness and elimination of degraded surface particles through the use of a high pressure fluid jet.

Abstract: A corner bead is of the tape-on type, having an elongated metal core strip with a longitudinal arcuate nose and a pair of flanges extending outwardly from the nose at approximately a right angle. A cover strip of paper is bonded to the exterior surface of the core strip, and includes wings which project outwardly beyond the extent of the flanges. The cover strip is formed of a stock paper having high abrasion resistance, tensile strength, and which is dimensionally stable on contact with wet joint compound. The surface of the cover strip is abraded to partially loosen the surface fibers, which will increase the bond strength of the comer bead when installed on wallboard. The method of manufacturing a tape-on corner bead includes the steps of conditioning a strip of stock paper by abrading the surfaces of the paper, and then bonding the paper strip to an outward face of an elongated core.

Abstract: A method is described for producing a motor vehicle steering wheel that is provided with a cover. With this method, the ring and cover are manufactured separately and are subsequently joined. In order to produce the cover, two unfinished parts are initially produced, into which a groove is milled. Subsequently, a decorative layer is applied to the unfinished part. A layer of lacquer is applied to the unfinished parts that are joined to form a tubular ring segment. During the following operational step, the tubular ring segment is divided into two halves, which are joined with the ring and thus form the cover.

Abstract: A method in which a separate preformed optical material is suitably sized for easy handling, manipulation, and fabrication into a waveguide having a core (formed from the optical material) having transverse cross-sectional dimensions on the order of only tens of microns. The method may include a plurality of mechanical steps, e.g., lapping, polishing, and/or dicing, and bonding steps, e.g., attaching with adhesives. In one embodiment, the method includes the steps of providing an optical material, thinning and polishing the optical material to form a core comprising a plurality of longitudinally extending surfaces, providing a plurality of support substrates, and attaching the plurality of support substrates to the longitudinally extending surfaces of the core. The plurality of support substrates may be attached to the plurality of longitudinally extending surfaces of the optical material with an adhesive.

Abstract: A test sample card is produced from a mold machined in accordance with an electronic discharge machining (EDM) process, with a resulting finely textured surface of the mold left intact. The mold produces a test sample card that has an even finely textured surface which improves the adhesion of a membrane to the card surface. The card is better able to withstand prolonged incubation periods without separation of the adhesive membrane from the card surface, as compared to prior art cards.

Abstract: A method for producing a micro- or nanostructure on a substrate. In a first step, one surface of a first wafer in crystalline material is placed in contact with one surface of a second wafer in crystalline material, such that crystalline lattices presented by the surfaces offer at least one mismatch parameter able to allow the formation of a lattice of crystalline defects and/or of a lattice of strains within a crystalline zone extending on either side of the interface of the two wafers, at least one of the lattices determining the micro- or nanostructure. Then, one of the two wafers is thinned to expose the lattice defects and/or the lattice strains on a substrate formed by the other wafer.

Abstract: The present invention relates to a vacuum lamination apparatus suitable for vacuum-laminating a stacked body. The vacuum lamination apparatus includes a mounting table including a metal plate having a front surface on which the stacked body is to be positioned. The apparatus also includes a vacuuming pipe comprising a looped hollow pipe having an inside circumference and a plurality of vents spacedly perforated at the inside circumference thereof. The vacuuming pipe is arranged in and fixed to the front surface of the metal plate. The front surface of the metal plate has a front surface with a center line average height of 0.2 to 1.5 &mgr;m. The vacuuming pipe is fixed to the front surface of the metal plate by intermittently welded portions provided at a contact region between the front surface of the metal plate and the vacuuming pipe. A sealant is disposed to the entire contact region, whereby the vacuuming pipe and the metal plate are integrated.

Abstract: A process for producing an article having a three-dimensional optical effect comprising a transparent substrate provided with a translucent simulated ice crystal formation having a controlled amount of fern-like patterns along with articles produced by a glue chip process.

Abstract: The present invention provides a tire monitor retainer assembly and monitored vehicle tire. A module which monitors tire information is supported by a rubber ply affixed to the inside surface of the tire. The module has electrical components for monitoring tire information by collecting, storing and/or reading information about the tire. A fastener assembly is used to secure the module to the rubber ply such that the module is support within the tire's cavity. The module is mounted to be isolated from tire loads such that the durability of the monitoring system is improved. The fastener assembly has first parts carried by the rubber ply and second fastener parts built into the module. The first and second fastener parts cooperate to support said module from said rubber ply. The module is made with a retainer opening having edges to receive a fastener device having standoff or indexing elements.

Abstract: The invention relates to a process for treating a machined glass surface for improving the adhesive attachment of an optical fiber to this surface, characterized in that machined surface is attacked by an aqueous solution of hydrofluoric acid, then the attacked surface is treated with a bifunctional hydrolyzable silane adhesion promoter or the product of its hydrolysis and partial condensation.

Abstract: A method of placing markings on a polymer plastic grave marker. Firstly, providing a polymer plastic grave marker of a known polymer composition. The polymer plastic grave marker is of a first color. Secondly, removing material from a surface of the polymer plastic grave marker to form hollow markings. Thirdly, providing liquid polymer that is capable of bonding with the known polymer composition, in one or more other colors. Fourthly, filling the hollow markings in the polymer plastic grave marker with the liquid polymer. The liquid polymer bonds with the known polymer composition, thereby providing integral colored markings. The polymers used are chosen to have the same coefficient of thermal expansion and moisture absorption and are preferably the same polymer.

Abstract: A method and apparatus for manufacturing high-frequency oscillator elements from a workpiece material includes a tool holder formed of magnetic material providing a magnetic field at a tip thereof and a spherical whetstone made of a magnetic material. A grinding mount is made of a magnetic material installed on a main rotating shaft proximate the tool holder through which flux of the magnetic field is channeled. The spherical whetstone held at the tip of the tool holder by magnetic attraction. The workpiece material is mounted on the grinding mount and the tool holder is rotated around an axis coincident with a center of the spherical whetstone while bringing the spherical whetstone into engagement with the workpiece material to lap the workpiece material.

Abstract: A wiring board having a conductor layer formed on a substrate and a connecting pad disposed in a connecting pad disposition portion provided in part of the conductor layer surface, the conductor layer having a resin inflow prevention portion which is provided adjacently to the said connecting pad disposition portion and which has a surface roughness greater than the surface roughness of the said connecting pad disposition portion, the resin inflow prevention portion being capable of overcoming the problem of prior art that an adhesive resin (resin layer) of a prepreg or an adhesive flows out onto the upper surface of the pad, due to its softening under heat and its being pressurized for bonding when a structure member such as a cover layer is bonded to the wiring board, and forms a cured resin which extremely inhibits the bonding property of a chip element onto the pad.

Abstract: The pressure vessel of the present invention comprises an inner shell capable of serving as a gas barrier and a pressure resistant outer shell provided to cover the inner shell, said outer shell being made of an FRP comprising reinforcing fibers and a resin and is 35 GPa or more in tensile modulus and 1.5% or more in tensile breaking strain. The present invention can provide a pressure vessel not only light in weight, but also excellent in retaining its internal pressure against repetitive impacts and also excellent in reliability. The process for producing a pressure vessel of the present invention comprises the step of forming a pressure resistant outer shell made of an FRP comprising reinforcing fibers and a resin and is 35 GPa or more in tensile modulus and 1.5% or more in tensile breaking strain, around an inner shell capable of serving as a gas barrier, by a filament winding method or a tape winding method.

Abstract: A fiber reinforced composite wood board is designed particularly for use in the flooring of truck trailers which experience adverse operating conditions such as from heavy loads of lift trucks on the top side and water spray during rainy periods on the bottom side. The composite wood board comprises an edge-glued laminated wood member composed of wood segments with end joints. The wood member is underlaid with a thin layer of fiber reinforced plastic. The top surface of the composite wood board is the same as that of the laminated wood. The fiber reinforced plastic underlay is composed of glass and/or carbon fibers embedded in a polymeric resin such as epoxy, phenolic, vinyl ester, polyester, polypropylene or polyamide resin. Further, the fiber reinforced plastic underlay is substantially bonded to the wood member with a reactive hotmelt adhesive.

Abstract: A procedure for assembling ends of optical fiber into a sheet where adhesive is deposited into parallel grooves in a top surface of a substrate. The optical fibers are placed into the grooves with one optical fiber per groove. A portion of each of the optical fibers, including the ends, extends beyond an edge of the substrate. A plate is pressed against the substrate to hold the optical fibers in the grooves. The plate has a flat surface which extends beyond the edge of the substrate and over the portion of each of the optical fibers extending beyond the edge of the substrate. A lip is contacted with and pressed against each of the optical fibers extending beyond the edge of the substrate to press the optical fibers against the flat surface of the plate. The adhesive is allowed to harden during the lip press to adhere the optical fibers and the plate to the substrate to form the sheet.

Abstract: An apparatus and method for improved wafer bonding by scrubbing, spin drying, aligning, and pressing the polished wafers together. The first wafer (13) is mounted on a flat wafer chuck (11) and a second wafer (14) is mounted on a convex pressure gradient chuck (10). Wafers are scrubbed until a polished contamination free surface is obtained and pressed together. The convex pressure gradient chuck exerts a higher pressure at the center of the wafer than at the periphery of the wafer.