456results about How to "Improve mass production" patented technology

The present invention relates to a method for manufacturing a large FRP member and has the following structure. The method for manufacturing a large FRP member, comprising the following steps (A) to (F). They are: setting step (A) of disposing a preform containing a reinforcing fiber base material on a surface of a molding die; sealing step (B) of covering a molding portion with a bagging material or a mold and providing at least one suction port and at least one resin injection port for sealing; evacuating step (C) of evacuating the molding portion through the suction port; hot-air heating step (D) of heating the molding portion by hot air; resin injection step (E) of injecting a thermosetting resin from the resin injection port for impregnating the reinforcing fiber base material with the resin while a temperature Tm of the molding die and a temperature Tv of the bagging material or the mold are both set to room temperature or more, and a difference DeltaT in temperature between the Tm and the Tv is set to 10° C. or less; and curing step (F) of curing the resin by maintaining the molding portion at a predetermined temperature Tpc which is equal to or more than room temperature. Preferably, the preform described above includes the reinforcing fiber base material and a resin distribution medium. In addition, it is preferable that in the hot-air heating step (D), the molding die be placed in a sealed chamber which is heat insulated with a heat insulating material, the hot air be circulated and supplied, and timing of starting the injection of the resin from a plurality of the resin injection ports be controlled in accordance with signals supplied from resin detection sensors provided in the molding die. The present invention provides a method for manufacturing a large FRP member having superior quality at an inexpensive cost and with high production yield, in which non-impregnated portions and voids are unlikely to be formed.

A near-field optical head has a planar substrate having a first surface, a second surface disposed opposite to the first surface, and an inverted conical or pyramidal hole extending through the first and second surfaces. The conical or pyramidal hole has at least one fine aperture formed at an apex thereof and is disposed on the first surface of the planar substrate. An optical waveguide is disposed on the second surface of the planar substrate for propagating light. A light reflection film is disposed in the optical waveguide for reflecting in the direction of the fine aperture light propagated through the optical waveguide.

An LED apparatus and a field sequential display employing same are disclosed. The LED apparatus includes a substrate, a cup structure, and a dividing structure. The dividing structure divides a containing space formed by the cup structure into a first region and a second region. A first blue-light chip and a first package colloidal are disposed in the first region and a second blue-light chip anda second package colloidal are disposed in the second region. A green-light phosphor is mixed in the second package colloidal to completely convert a monochromatic emission spectrum of a second blue-light band of the second blue-light chip into a monochromatic emission spectrum of a green-light band. The green-light phosphor is selected from one of silicate, oxynitride, lutetium aluminum oxide, and calcium scandium oxide. Characteristic difference among chips of different colors of an LED apparatus can be minimized, thereby improving the entire efficiency.

The invention provides a sizing agent for forming an electrode of a solar cell. The sizing agent has the following advantages that: the mechanical strength of the electrode and the closing performance with the base material are good, the back surface field (BSF) effect required by the solar cell can be accomplished thoroughly, the bend of the base material after burned can be restrained, the efficiency of the solar cell can be improved, and the sizing agent is more particularly suitable for burning at high temperature / high speed with excellent mass production. The sizing agent for forming an electrode of a solar cell is characterized in that a) 60-75 parts by weight of aluminum power with at least 1.28 g / cc of tap density, b) 1-5 parts by weight of glass powder, and c) 20-38 parts by weight of organic carrier are included.

A light transmission and reception module includes: a belt-shaped macromolecular optical waveguide film having an optical waveguide, an optical transmitter having a light emitting element and a first sub-mount for holding the light emitting element, for holding one end of the macromolecular optical waveguide film on the first sub-mount so that a light emitted from the light emitting element may be coupled to an incident end surface of the optical waveguide, and an optical receiver having a light detecting element and a second sub-mount for holding the light detecting element, for holding the other end of the macromolecular optical waveguide film on the second sub-mount so that the light emitted from an exit end surface of the optical waveguide may be received in the light detecting element.

A magnetoresistance effect device including a multilayer structure having a pair of ferromagnetic layers and a barrier layer positioned between them, wherein at least one ferromagnetic layer has at least the part contacting the barrier layer made amorphous and the barrier layer is an MgO layer having a highly oriented texture structure.

There is provided a magnetic antenna, suitable for use in an RFID tag and an RFID tag reader / writer, which operates stable even if brought close to a metallic object and suitable for mass-production, and a board mounted with the magnetic antenna. The magnetic antenna has a coil comprising a magnetic layer and a conductive layer provided on the magnetic layer via an insulating layer. Alternatively, the magnetic antenna has a plurality of coils each comprising a magnetic layer having a square or rectangular shape and arranged radially. One ends of the coils are connected in series or parallel to one another by the magnetic layers thereof such that the coils have the same polarity. An insulating layer is provided on one or both outer surface of the coils, and a conductive layer is provided on an outer surface of at least one of the insulating layers. The magnetic antenna is produced using an LTCC technology.

The present invention provides a graphite material which, when 200 locations in a rectangular area of 6 [mu]m by 8 [mu]m are arbitrarily selected on a graphite material surface image observed by scanning electron microscope, cylindrical pores, which have an opening shape with a diameter of 15 nm to 200 nm, a roundness of 0.75 to 1.0, and a major axis / minor axis ratio of 1.0 to 1.5, are visible on the surface of the graphite material that appears in said area in at least two locations. This graphite material is suitable as an electrode material for rechargeable batteries, and has excellent charge / discharge cycle characteristics and high current load characteristics.

Provided are a transistor and a method of manufacturing the transistor, and more particularly, a vacuum channel transistor emitting thermal cathode electrons and a method of manufacturing the vacuum channel transistor. The vacuum channel transistor includes: a motherboard; a micro heater member having a thin-film structure formed on the motherboard; a cathode member having a thin-film structure spaced apart from a center part of the micro heater member by a first interval and formed on the micro heater member; a gate member formed on both outer walls of upper parts of the cathode member; and an anode member spaced apart from the cathode member by a second interval through spacers disposed on the gate member, wherein a vacuum electron passing area is interposed between the cathode member and the anode member by the second interval.

The invention relates to the technical field of adhesives, and in particular relates to a polyester hot-melt adhesive. The polyester hot-melt adhesive comprises polyester hot-melt adhesive resin, epoxy resin and curing agents, wherein the mass ratio of the polyester hot-melt adhesive resin to the epoxy resin and to the total amount of the curing agents is 70:(30-99):1. The polyester hot-melt adhesive is low in adhesive strength attenuation, so that the adhesive strength of the polyester hot-melt adhesive on metal can be obviously improved, the melting viscosity of the polyester hot-melt adhesive is reduced, and the film-forming appearance of the polyester hot-melt adhesive is improved; and moreover, the polyester hot-melt adhesive can be prevented from being hydrolyzed, high adhesion of the polyester hot-melt adhesive at low temperature, normal temperature even high temperature is kept, and the mass production property is high.

The invention provides a manufacturing method of dynamic pressure bearing, which comprises the following steps: an obturator is provided, the surface of the obturator is convexly provided with a plurality of protrusions; the obturator is arranged in the central position of a hollow bearing mould, and a hollow cavity in the bearing mould is filled with the mode of encapsulation molding to form an embryo of the dynamic pressure bearing; the obturator is removed from the embryo of the dynamic pressure bearing through the mode of catalytically degreasing; binder in the embryo of the dynamic pressure bearing is removed; the embryo of the dynamic pressure bearing is sintered; finally, the dynamic pressure bearing is formed. The dynamic pressure bearing integrally forms the dynamic pressure bearing and a dynamic pressure groove through the method of encapsulation molding, and removes micro-molecular gases which is decomposed from the obturator by using the method of catalytically degreasing, thereby preventing the embryo of dynamic pressure bearing from generating defects as deformation, bending or fracture, etc., improving the mass production capability and the dimensional precision of the dynamic pressure bearing. The invention also provides a manufacturing method of a dynamic pressure rotating shaft.

The invention provides a detection method of a display panel. The display panel comprises a plurality of pixel units; each pixel unit comprises a light-emitting diode (LED) and a pixel circuit, wherein the pixel circuit comprises a drive transistor; a first pole of each drive transistor is connected with the corresponding LED. The detection method comprises the steps of when the display panel reaches target brightness, detecting actual values of electrical signals of the first poles of the drive transistors in all the pixel units, wherein each electrical signal comprises a current signal and / or a voltage signal; judging whether all the pixel units have defects or not according to the actual values of the electrical signals corresponding to all the pixel units. Correspondingly, the invention also provides a detection device. The detection method and the detection device can help an operator to rapidly judge whether the pixel units have defects or not.

The present invention discloses a structure of a embedded semiconductor chip and its manufacturing method, the method mostly provides a loading plate opposing first and second surface, forming multi- through opening in the loading plate, and forming first plow groove surrounding the opening and without through the loading plate at the first surface of the loading plate, and placing the semiconductor chip in the opening severalty, and pressing the first surface of the loading plate and the semiconductor chip on the first dielectric layer for stuffing the first dielectric layer into the first plow groove and the gapping place between the semiconductor chip and the loading plate, forming the second plow groove at the second surface corresponding to the first plow groove position, and the second plow groove is communicated with the first plow groove to forming the plow groove through the loading plate, thereby the subsequent cutting operation can be executed by the through plow groove, furthermore the loading plate space is used efficiently and the typesetting rate is improved, and the molding time is reduced.

An aluminum alloy clad material for molding is equipped with: an aluminum alloy core material comprising 0.2-1.5 mass% of Mg, 0.2-2.5 mass% of Si, and 0.2-3.0 mass% of Cu, with the remainder comprising Al and unavoidable impurities; an aluminum alloy coating material that is clad on one or both surfaces of the core material, that has a thickness of 3-30% the total sheet thickness on one surface, and that has a composition comprising 0.2-1.5 mass% of Mg and 0.2-2.0 mass% of Si, with the content of Cu being limited to 0.1 mass% or less and the remainder comprising Al and unavoidable impurities; and an aluminum alloy insert material that is interposed between the core material and the coating material and that has a solidus temperature of at most 590 DEG C.