摘要:
Provided are a connection member capable of preventing leakage from a supply side to a permeating side from occurring by a simple means; and a separation membrane module using the connection member. The connection member (20) is used to connect in series a plurality of separation membrane elements equipped with end surface holding members (36) and to install the separation membrane elements in a pressure-resistant vessel (38). The connection member (20) is characterized in that, when the separation membrane elements are connected to each other, the connection member is engaged with respective grooves (36b) of the end surface holding members (36) adjacent to each other.
摘要:
Provided are a connection member capable of preventing leakage from a supply side to a permeating side from occurring by a simple means; and a separation membrane module using the connection member. The connection member (20) is used to connect in series a plurality of separation membrane elements equipped with end surface holding members (36) and to install the separation membrane elements in a pressure-resistant vessel (38). The connection member (20) is characterized in that, when the separation membrane elements are connected to each other, the connection member is engaged with respective grooves (36b) of the end surface holding members (36) adjacent to each other.
摘要:
The present invention provides a method of manufacturing a multilayer wiring board comprising the step of impregnating a raw material composition of a thermosetting resin in a porous laminated product including two or more porous layers and a wiring layer provided between the porous layers and formed on any of the porous layers and of half curing or curing them. Moreover, the present invention provides a multilayer wiring board having such a lamination structure that two or more porous layers and a wiring layer provided between the porous layers and formed on any of the porous layers are integrated through an impregnated and cured thermosetting resin.
摘要:
The present invention provides a method of manufacturing a wiring board, including the steps of forming a through hole on a prepreg having a releasing resin film on at least one of its surfaces, the prepreg being obtained by impregnating a porous film having a thickness of 5 to 90 &mgr;m and a porosity of 30 to 98% with a half cured thermosetting resin, filling the through hole with a conductive paste containing a conductive filler, peeling the resin film, laminating a metal foil on a surface from which the resin film is peeled, and heating and pressurizing the laminated product. Moreover, the present invention provides a wiring board including an insulating layer obtained by impregnating a porous film having a thickness of 5 to 90 &mgr;m and a porosity of 30 to 98% with a thermosetting resin and curing them, and a conductive connection structure between wiring layers in which a through hole provided on the insulating layer is filled with a conductive paste, wherein the conductive connection structure has the conductive filler at only a boundary surface with the porous film and in an inner part thereof.
摘要:
A method of manufacturing a multilayer wiring board according to the present invention comprises the step of heating and pressurizing a stacked product to be integrated in a state in which a plurality of double-sided wiring boards (10) having a wiring pattern (12) formed on both surfaces of an insulating layer (11) are laminated through a prepreg (1) obtained by impregnating a resin porous film with a thermosetting resin. The present invention is advantageous to mass production because a gap for forming an insulating layer can easily be controlled, and furthermore, can provide thinner layers of the whole board and is also advantageous to the flattening of the surface of the board.
摘要:
The present invention provides a method of manufacturing a metal foil laminated product including the steps of forming a bonding layer containing a thermosetting resin on a lower wiring layer, a metal layer or an insulating layer, provisionally bonding a porous layer having a releasing film attached thereto onto a surface of the bonding layer, peeling the releasing film from the porous layer, laminating a metal foil on the porous layer obtained after the peeling, and heating and pressurizing the laminated product to transfer the bonding layer to the metal foil and thereby integrating them. Furthermore, the present invention provides a method of manufacturing a wiring board comprising the steps of manufacturing a metal foil laminated product by the above manufacturing methods, and providing a pattern on the metal foil of the metal foil laminated product, thereby forming a wiring layer.
摘要:
A wiring board prepreg manufacturing method of the present invention includes the step of depositing and adhering a porous layer made of aromatic polyamide or polyimide onto a heat resistant base material sheet according to a wet gelation process, and the step of impregnating at least one portion of a raw material composition of thermoset resin with insides of pores of the porous layer adhered to the heat resistant base material sheet. Moreover, it is preferable that the step of impregnating the base material composition of the thermoset resin includes the step of applying a raw material liquid of the thermoset resin containing a solvent to a surface of a base material, the step of removing the solvent from the applied raw material liquid so as to obtain a solid coating film, and the step of while heating the solid coating film, laminating and pressurizing the film together with the base material onto the porous layer so as to impregnate at least one portion of the solid coating film.
摘要:
The present invention provides a method of manufacturing a wiring board, including the steps of preparing a composite sheet having an adherent sheet containing a thermosetting resin adhered to a porous film or impregnated with at least a part thereof, laminating at least the composite sheet on a wiring layer having a wiring pattern formed on an insulating layer, and heating and pressurizing the laminated product thus obtained or heating and pressurizing it after the pressurization to integrate the laminated product.
摘要:
A production method for preparing a porous film of a poly(vinylidene fluoride) based resin which has a microstructure providing a satisfactory mechanical strength and permeation performance and is improved in hydrophilic property, without the precise control of temperature before cooling, as well as a porous film prepared by the above method is provided. The above method for producing a porous film wherein a porous film of a poly(vinylidene fluoride) based resin is prepared by dissolving the poly(vinylidene fluoride) based resin in a poor solvent through heating to form a liquid raw material for a film, and then cooling the liquid raw material to bring about a phase separation is characterized in that an organized clay being organized by a hydrophilic compound is dispersed in said liquid raw material for a film in an amount of 1 to 25 parts by weight relative to 100 parts by weight of the poly(vinylidene fluoride) based resin.
摘要:
A method of forming a composite insulating layer in which a thin and uniform adhesive layer can be formed, and an adhesive strength between an adhesive layer and a porous layer is sufficient, a insulating layer obtained by the formation method, and a process of producing a wiring board, wherein an insulating layer is formed by the formation method, are disclosed. The method of forming a composite insulating layer includes a step of forming an adhesive layer 2 containing a partially imidated polyamic acid on a metallic foil 1; a step of applying a solution 3 containing a polyamic acid to the surface of the adhesive layer 2; a step of subjecting the coated solution 3 to phase separation to form a porous layer 4; and a step of subjecting the adhesive layer 2 and the porous layer 4 to imide conversion.