摘要:
PROBLEM TO BE SOLVED: To manufacture an anisotropic conductive film exhibiting good connection reliability, good insulation properties and good particle capture efficiency, in manufacturing an anisotropic conductive film in which conductive particles are arranged in a single layer by using a transfer mold with an opening.SOLUTION: An anisotropic conductive film is manufactured as follows: a photopolymerizable insulating resin is pressed into an opening of a light-transmitting transfer mold having the opening, in which conductive particles are disposed, so as to transfer the conductive particles to the surface of a photopolymerizable insulating resin layer, thereby forming a first connection layer having a structure where the conductive particles are arranged in a single layer in the direction of the plane of the photopolymerizable insulating resin layer and the thickness of the insulating resin layer in the central region between adjacent conductive particles is thinner than that of the insulating resin layer near the conductive particles; the first connection layer is irradiated with ultraviolet rays from the light-transmitting-transfer-mold side; a release film is removed from the first connection layer; a second connection layer is formed on the surface of the first connection layer on the opposite side thereof from the light-transmitting transfer mold; and a third connection layer is formed on the surface of the first connection layer on the opposite side thereof from the second connection layer.
摘要:
According to one aspect, the invention provides a method of placement of a component on a stretchable substrate, comprising the steps of providing a base substrate having a stretchable substrate layer, providing a flexible foil comprising an integral arrangement (20) of a multiple of flexible foil components; the flexible foil components each comprising component pads for electro/optical access to the flexible foil components, providing in plane interconnecting traces on the stretchable substrate layer in correspondence with the component pads in the integral arrangement; aligning the base substrate and the flexible foil so as to be used in a reel based manufacturing process; providing, through lamination of the base substrate and the flexible foil an electro/optical via connection between the traces and the component pads of the integral component arrangement; and mechanically separating the integral arrangement of flexible foil components to provide a multiple of mechanically separated components from each other to arrange an electro/optical interconnected component system on a stretchable substrate layer One advantage of the invention is that it may be used in a manufacturing process for multi-foil systems.
摘要:
PROBLEM TO BE SOLVED: To provide a semiconductor package substrate capable of preventing a warping phenomenon caused by heat dissipation effect and difference in the thermal expansion coefficient between layers and preventing internal cracks generated by difference in the internal strain rate due to the difference in the thermal expansion coefficient between layers.SOLUTION: A semiconductor package substrate includes a base substrate 110, a mounting member 120 mounted on an upper portion of the base substrate 110, and an adhesive layer 140 formed between the base substrate 110 and the mounting member 120. The adhesive layer 140 includes a thermally conductive adhesive 141 and a ductile adhesive 143 formed at the outer circumference of the thermally conductive adhesive 141.
摘要:
PROBLEM TO BE SOLVED: To provide: a semiconductor device improved in connection reliability between an electronic component and a substrate; and a method of manufacturing the same. SOLUTION: This semiconductor device includes: the electronic component 1 whereon electrodes 7 are arranged; a substrate 2 wherein substrate electrodes 13 electrically connected with the electrodes 7 are arranged on an upper surface and the electrode 7 and the substrate electrode 13 are arranged to face each other; connecting members 9 which connect the electrodes 7 and the substrate electrodes 13 with each other; and a sealing film 3, which has a first resin section 3b, which contains flux and is brought into contact with at least connecting sections between the connecting members 9 and the substrate electrodes 13, and a second resin section 3a, which has a flux concentration lower than that of the first resin section 3b, and is filled in a gap between the electronic component 1 and the substrate 2. COPYRIGHT: (C)2010,JPO&INPIT
摘要:
PROBLEM TO BE SOLVED: To provide a chip package and its manufacturing method.SOLUTION: An embodiment of the present invention provides a manufacturing method of a chip package including: a step of providing a semiconductor wafer having a plurality of device regions separated by a plurality of scribe lines; a step of bonding a package substrate to the semiconductor wafer and installing a spacer layer between the package substrate and the semiconductor wafer, in which the spacer layer defines a plurality of cavities respectively exposing the device regions and has a plurality of through-holes neighboring an outer edge of the semiconductor wafer; a step of filling an adhesive material in the through-holes, in which the spacer layer has viscosity and the material thereof is different from the adhesive material; and a step of dicing the semiconductor wafer, the package substrate, and the spacer layer along the scribe lines to form a plurality of chip packages separated from each other.
摘要:
The present invention provides a conductive connecting material having a multi-layered structure comprising a resin composition and a metal foil selected from a solder foil or a tin foil, wherein the minimum ion viscosity value of the resin composition is 4-9 when measured in accordance with ASTM standard E2039 by applying a frequency of 10000Hz at the melting point of the metal foil. The present invention further provides a method for connecting terminals and a method for producing a connection terminal using the conductive connecting material. By using the conductive connecting material of the present invention, good electric connection between connection terminals as well as highly-reliable insulation between adjacent terminals can be achieved.