摘要:
A paste coater that can apply an amount of a solder paste to small-diameter bump electrodes at a narrow pitch is described. A paste coater includes: a transfer roller, supported by a sub frame; a roller drive mechanism for rotating the transfer roller; a paste storage unit for storing paste to be supplied to the surface of the transfer roller; a squeegee having a distal edge, parallel to the rotary shaft of the transfer roller, separated by a gap from the distal edge to the surface of the transfer roller; a squeegee holder for holding and including biasing means for pushing the squeegee in a first direction thereby widening the gap; and a gap adjustment mechanism with biasing means for pushing the squeegee in a second direction thereby narrowing the gap.
摘要:
A method of soldering electronic component (6) having solder bumps (7) formed thereon to substrate (12), wherein bumps (7) are pressed against a flux transferring stage on which a thin film is formed of flux (10) containing metal powder (16) of good wettability to solder so as to cause metal powder (16) to penetrate oxide films (7a) and embed in the surfaces on the bottom parts of bumps (7), and bumps (7) in this state are positioned and mounted to electrodes (12a) on substrate (12). Substrate (12) is then heated to melt bumps (7) and allow the melted solder to flow and spread along the surfaces of metal powder (16) toward electrodes (12a). The method can thus provide solder bonding portions of high quality without any soldering defect and deterioration of the insulating property.
摘要:
In a method of manufacturing a high frequency module to be assembled by providing, on a wiring board, a chip part and a semiconductor pellet to be bare chip mounted and then mounting the chip part and the semiconductor pellet through soldering, the wiring board is separated from a heat block with the semiconductor pellet pressurized against the wiring board in a main heating portion heating and melting a reflow solder, thereby cooling a soldering portion. Consequently, the generation of a void in the soldering portion can be prevented and the connecting reliability of the soldering portion can be enhanced. In addition, a degree of mounting horizontality of the semiconductor pellet on the wiring board can be enhanced.
摘要:
After formation of an opening by exposing and development of the photosensitive surface protection film and adhesive layer which is formed on the circuit side of the semiconductor wafer, the semiconductor chips having a photosensitive surface protection film and adhesive layer thereon is fabricated by cutting individual chips from the semiconductor wafer. After the second semiconductor chip is placed over the first semiconductor chip up by the suction collet, the second semiconductor chip is bonded with the first semiconductor chip by the first surface protection film and adhesive layer. The suction side of the suction collet has lower adhesion to the second semiconductor chip than that between the now bonded semiconductor chips.
摘要:
An arrangement for mounting a multiplicity of components (9, 10), particularly with irregular surface topography, on a support (7) using an assembly tool which has a tool substructure (5) and a tool superstructure (6), where the tool substructure (5) is designed to receive the support and the components which are to be mounted thereon, and the tool superstructure (6) has, in addition to an arrangement (11, 12) for transmitting assembly forces, an arrangement for compensating for tilts between the components and the support and/or an arrangement for compensating for irregular surface topologies.
摘要:
A paste coater that can apply an amount of a solder paste to small-diameter bump electrodes at a narrow pitch is described. A paste coater includes: a transfer roller, supported by a sub frame; a roller drive mechanism for rotating the transfer roller; a paste storage unit for storing paste to be supplied to the surface of the transfer roller; a squeegee having a distal edge, parallel to the rotary shaft of the transfer roller, separated by a gap from the distal edge to the surface of the transfer roller; a squeegee holder for holding and including biasing means for pushing the squeegee in a first direction thereby widening the gap; and a gap adjustment mechanism with biasing means for pushing the squeegee in a second direction thereby narrowing the gap.
摘要:
There is disclosed a semiconductor bonding apparatus which mounts a semiconductor chip via an elastic member disposed between the semiconductor chip and a mounting substrate, comprising a holding section which holds the semiconductor chip facing the mounting substrate, a translatory gas bearing which is connected to the holding section and which is capable of moving the semiconductor chip in a bonding direction with respect to the mounting substrate, a voice coil motor connected to the translatory gas bearing, a load cell which detects a pressing force to be applied to the elastic member by the holding section, and a driving section which generates a driving signal in accordance with the pressing force detected by the load cell to drive the voice coil motor.
摘要:
An apparatus 1 for mounting an electronic part to a substrate according to the present invention includes: a mounting unit 12 for mounting an electronic part 11 to a substrate 10; a substrate supplying unit 17 for supplying the substrate 10 to a predetermined position; an electronic part supplying unit 14 for supplying the electronic part 11 to the unit 12; a substrate return transporting unit 32 for transporting the substrate 10, on which the electronic part 11 has been mounted by the unit 12, to a predetermined position; a carrier 100 which detachably holds the substrate supplied from the unit 17 and has a heat capacity of a predetermined value or higher; and a carrier heating and moving unit 101 for moving the carrier 100 from a substrate transport start position 13a of a substrate feed transporting unit 13 to a predetermined position while heating the carrier 100.
摘要:
A method for the electrical connection between electrical joints of electric circuit components includes disposing said electric circuit components so that said joints for the electrical connection are opposed to each other, and making the electrical connection between said electrical joints with a biasing force which is exerted by an elastic member from at least one side of said electric circuit component so that the biasing force is exerted consecutively from an intermediate position of connecting area where said joints are located to the periphery of said connecting area.
摘要:
A substrate bonding apparatus that bonds a first substrate and a second substrate together, comprising a joining section that joins the first substrate and second substrate together aligned to each other for stacking; a detecting section that detects an uneven state on at least one of the first substrate and second substrate prior to joining by the joining section; and a determining section that determines whether the uneven state detected by the detecting section satisfies a predetermined condition, wherein the joining section does not join the first substrate and the second substrate if it is determined by the determining section that the uneven state does not satisfy the predetermined condition.