Abstract:
PROBLEM TO BE SOLVED: To provide a joining device and a joining method, capable of accurately joining components with each other in a short time by using a photo-curing adhesive.SOLUTION: The joining device includes a light source 36, a stage 31, a component holding part 34 made of a light transmissive material, a control part 40, and driving parts 32 and 35 controlled by the control part 40, to drive the stage 31 and the component holding part 34. The component holding part 34 includes an incident surface on which light outputted from the light source 36 is made incident, a first reflecting surface being a surface opposite to the incident surface and reflecting the light made incident from the incident surface, a second reflecting surface reflecting the light reflected by the first reflecting surface, and an emission surface from which the light reflected by the second reflecting surface is emitted. The joining device joins a first component 17 and a second component 15 by the photo-curing adhesive, in such a state that the second component 15 is held on the emission surface side of the component holding part 34.
Abstract:
PROBLEM TO BE SOLVED: To provide a method for mounting a semiconductor element capable of improving dimensional accuracy even if a design dimension of a junction gap between a substrate and the semiconductor element is large when mounting the semiconductor element on the substrate, and a semiconductor device.SOLUTION: A method for mounting a semiconductor element on a substrate comprises the steps of: depositing a first solder joint material on a substrate-side pad formed in the substrate; supplying a second solder joint material having a lower melting point than the first solder joint material onto the first solder joint material; arranging the semiconductor element so that the element-side pad formed in the semiconductor element faces the corresponding substrate-side pad and a prescribed junction gap is provided between the semiconductor element and the substrate; and jointing the first solder joint material and the second solder joint material by reflowing them at a reflow temperature lower than a melting point of the first solder joint material and higher than a melting point of the second solder joint material (reflow step).
Abstract:
PROBLEM TO BE SOLVED: To provide a highly reliably optical unit capable of easily and accurately controlling a region to which a packing material is applied, and forming a void between an optical component and a base material in a desired state to surely secure both low light loss and electrode joint reliability, and a method for manufacturing the optical unit.SOLUTION: An optical unit in which an optical component 10 having an optical element 12 is loaded on a base material 20 having an optical waveguide 21 includes: a first hydrophobic region 14 formed in a site including the optical axis of the optical component 10; a second hydrophobic region 24 formed in a site facing the first region 14 on the surface of the base material 20; and a hydrophilic packing material 4 for packing the periphery of the first region 14 and the second region 24 between the optical component 10 and the base material 20.
Abstract:
PROBLEM TO BE SOLVED: To provide a conductive jointing material whereby a conductive jointing material supply process for depositing the conductive jointing material while supplying the conductive jointing material to the electrode of a substrate and a transfer process for transferring the conductive jointing material to the terminal of an electronic component by fusing it once can be selected, and the electronic component can be efficiently jointed to the substrate at low temperatures of 150°C or lower, and to provide a method of jointing a conductor and a method of manufacturing a semiconductor.SOLUTION: The conductive jointing material contains a metal component comprising a high melting-point metal particle having a melting point of 150°C or higher, an intermediate melting-point metal particle having a melting point of not less than 80°C and not more than 139°C, and a low melting-point metal particle having a melting point of 79°C or lower. The metal component is preferably a multi-layer metal particle having an intermediate melting-point metal layer formed from the intermediate melting-point metal particle, and a low melting-point metal layer formed from the low melting-point particle in this order on the surface of the high melting-point metal particle.
Abstract:
PROBLEM TO BE SOLVED: To provide an electronic device which is durable to a bending stress and a method for manufacturing the electronic device for manufacturing the electronic device. SOLUTION: The electronic device includes: a base sheet; a conductive pattern formed on the base sheet; a circuit chip mounted on the base sheet and connected to the conductive pattern; and a plurality of protrusions arranged on at least one of a frontside and a backside of the base sheet to overlap at least a portion of the conductive pattern, and projected in a direction away from the base sheet. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide an RFID tag with bending stress durability. SOLUTION: The RFID tag includes: a sheet-like base; an antenna provided on the base and extending along the base; a circuit chip mounted on the base and connected to the antenna for performing radio communication through the antenna; a protection body wider than the circuit chip and narrower than the antenna, which is located at least either above the circuit chip or on a backside of the circuit chip with the base interposed therebetween for protecting the circuit chip; and a connection section provided as a portion of the antenna at a location where an edge of the protection body and the antenna intersect with each other as viewed from a direction intersecting with a surface of the base, which includes one or more conductor patterns narrower than other portion of the antenna, and which connects inner and outer antenna portions of the edge with each other. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide an adhesive filling sheet which prevents a generation of void, attachment of an adhesive on the back of an electronic component, and a rising of the adhesive around a surrounding of the electronic component, at the same time, and also to provide an electronic device manufacturing method. SOLUTION: The electronic device manufacturing method includes processes of: coating an adhesive 5 to be filled in a space portion between a mounting substrate 2 and a mounted electronic component 3 on one side of a sheet 11; contacting the one side of the sheet 11 with the back of the electronic component 3 mounted on the mounting substrate 2, and contacting the adhesive 5 with the surrounding of the electronic component 3 to fill the space portion with the adhesive 5; and after returning from a reduced pressure to an atmospheric pressure in the state where the sheet 11 is contacted to the electronic component 3, pressing a heating head onto the other side of the sheet 11 to heat the electronic component 3 through the sheet 11 by the heating head and hardens the adhesive 5. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To surely carry out the ultrasonic bonding of flying leads and substrate pads by securing bondability between the flying leads and the substrate pads when bonding the flying leads to the substrate pads. SOLUTION: In this bonding method of flying leads, the flying leads 18 are aligned with a plurality of substrate pads arranged in parallel, respectively, and then ultrasonic vibration is made to act on the flying leads 18 by a bonding tool 20 to bond the flying leads 18 to the corresponding substrate pads 17. The flying leads 18 are formed wider than the substrate pads 17. In bonding the flying leads 18 to the substrate pads 17, the flying leads 18 are first aligned with the substrate pads 17, and then the flying leads 18 are pressed against the substrate pads 17 by the bonding tool 20. Finally, ultrasonic vibration is made to act on the flying leads 18 to bond the flying leads and the substrate pads. COPYRIGHT: (C)2007,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a board module manufacturing method which can prevent solder flash on the side of an electrode on which a solder ball is preliminarily mounted.SOLUTION: A manufacturing method of a board module 1 comprises the steps of: adhering a solder paste 6 containing copper particles 61 having a larger specific gravity and a higher melting point than those of a solder ball to a surface of the solder ball 4 containing at least a tin component and mounted on a first electrode 21 provided on a surface of an electronic component 2; turning up the surface of the electronic component on which the first electrode is provided; melting the solder ball by heating to precipitate the copper particles adhered to the surface of the solder ball in the solder ball; and forming a first intermetallic compound layer 41 having a melting point higher than the melting point of the solder ball at a boundary of the first electrode on which the solder ball is mounted by the precipitated copper particles and the tin component of the solder ball.
Abstract:
PROBLEM TO BE SOLVED: To provide a carriage assembly of a hard disk drive, and its manufacturing method in which such problems never be caused that a flying lead is broken and resin residual is left on a junction terminal when the flying lead of a long tail suspension substrate is peeled off from a junction terminal of a flexible printed circuit board. SOLUTION: A flying lead 15a of a long tail suspension substrate 12 and a junction terminal 16a of a flexible printed circuit board 16 are joined by ultrasonic bonding in which a ultrasonic wave tool T is abutted from an opposite plane of a junction plane of the flying lead 15a for the junction terminal 16a and ultrasonic wave vibration is applied from the ultrasonic wave tool T in a state in which the flying lead 15a is pressed to the junction terminal 16a, coating layers 24 consisting of hot-melt metal melted at a lower temperature than a material constituting the junction plane are formed respectively on the opposite plane of each flying lead 15a. COPYRIGHT: (C)2006,JPO&NCIPI