Abstract: An object of the invention is to improve the position, shape, and size of a bump in order to realize highly reliable flip-chip mounting. In the case of the semiconductor device of this embodiment, a stacked bump 14 is provided on electrode pad 12 created on the main surface of semiconductor chip 10. That is, said bump 14 comprises columnar pedestal part 14a and columnar tail part 14b having a smaller diameter than that of pedestal part 14a. Peak plane of tail part 14b (peak plane of the bump) and the top surface of pedestal part 14a are both flat. Said bump 14 is created through gold plating, for example, using a resist (photolithography) technology and a plating technology.

Abstract: A card connector assembly having a slot for inserting a card that has raised portions and a connector that receives the card that is inserted into the slot. An anti-dust shutter that pivots into an interior of the slot when the card is inserted. The anti-dust shutter having an interference avoiding means in the form of a cut-out or a projection that enables the card to be withdrawn from the slot without interference from the raised portions. The card connector assembly making it possible to withdraw cards having raised portions, such as PC cards that handle card busses, from the card connector assembly without interference with the anti-dust shutter.

Abstract: A card connector defining one card-accommodating slot adapted to accommodate a thin card, such as a smart card, and another card-accommodating slot adapted to accommodate a thick card, such as an IC card. The insertion of thin cards completely into the card-accommodating slot which accommodates thick cards is prevented by a member which pivots into the thick card-accommodating slot. The member includes a cam surface adapted to be contacted by a thick card upon insertion into the thick card-accommodating slot and a groove adapted to accommodate a thin card upon insertion into the thick card-accommodating slot. The member is pivotally mounted by a shaft to a card guiding arm defining the thick card-accommodating slot.

Abstract: A card connector with a first receiving slot for receiving a first card, and a second receiving slot for receiving a second card that has a thickness smaller than the first card wherein erroneous insertion of the second card into the first receiving slot designed for receipt of the first cards is prevented. The card connector having a stopper member and a cam member. The stopper member is supported in the first receiving slot by a supporting shaft. The stopper member pivots between a first position where the stopper member blocks the first receiving slot to prevent advancement of the first or second card, and a second position where advancement of the first or second card is unblocked. The cam member is pivotally supported in the card receiving slot by a supporting shaft arranged perpendicular to the supporting shaft of the stopper member and has a claw that abuts the stopper member to prevent the stopper member from pivoting to the second position.

Abstract: A card connector defining one card-accommodating slot adapted to accommodate a thin card, such as a smart card, and another card-accommodating slot adapted to accommodate a thick card, such as an IC card. The insertion of thin cards completely into the card-accommodating slot which accommodates thick cards is prevented by a member which pivots into the thick card-accommodating slot. The member includes a cam surface adapted to be contacted by a thick card upon insertion into the thick card-accommodating slot and a groove adapted to accommodate a thin card upon insertion into the thick card-accommodating slot. The member is pivotally mounted by a shaft to a card guiding arm defining the thick card-accommodating slot.

Abstract: This invention provide a methacrylic resin modifier, which gives impact resistance and high transparency under wide ranges of molding conditions. More particularly, it provides a methacrylic resin modifier and a polymer processability modifier, which comprises a blend of an impact resistance modifier, wherein weight ratio of the impact resistance modifier and polymer processability modifier is from 95/5 to 80/20 and the polymer processability modifier has a specific viscosity of from 2.5 to 5.0 when measured in its 0.4% by weight toluene solution at 30° C.

Abstract: A card connector assembly having a slot for inserting a card that has raised portions and a connector that receives the card that is inserted into the slot. An anti-dust shutter that pivots into an interior of the slot when the card is inserted. The anti-dust shutter having an interference avoiding means in the form of a cut-out or a projection that enables the card to be withdrawn from the slot without interference from the raised portions. The card connector assembly making it possible to withdraw cards having raised portions, such as PC cards that handle card busses, from the card connector assembly without interference with the anti-dust shutter.

Abstract: An object of the invention is to improve the position, shape, and size of a bump in order to realize highly reliable flip-chip mounting. In the case of the semiconductor device of this embodiment, a stacked bump 14 is provided on electrode pad 12 created on the main surface of semiconductor chip 10. That is, said bump 14 comprises columnar pedestal part 14a and columnar tail part 14b having a smaller diameter than that of pedestal part 14a. Peak plane of tail part 14b (peak plane of the bump) and the top surface of pedestal part 14a are both flat. Said bump 14 is created through gold plating, for example, using a resist (photolithography) technology and a plating technology.

Abstract: A metal material is formed into a wire material, and an end of the wire material is molten by an electric discharge. A molten sphere formed by the melting of the end is flied by a gas flow. Thus, a material having a high melting point can be ejected.

Abstract: A semiconductor chip mounting method to prevent the occurrence of particles created while mounting the semiconductor chip onto a substrate using ultrasonic thermocompression bonding. The mounting method of the present invention utilizing ultrasonic vibrations involves the following steps: a semiconductor chip having conductive bumps on its main surface is held by its back via an elastic film using a suction tool having a suction hole, the semiconductor chip is positioned against a substrate provided with connection wires corresponding to said conductive bumps, and the semiconductor chip is mounted onto the substrate in such a manner that the conductive bumps connect to said connection wires, and ultrasonic vibrations are applied from the suction tool to the semiconductor chip via said film while said semiconductor chip is being pressed against said substrate in order to bond said conductive bumps with said connection wires.

Abstract: Servers (4a, 4b) respectively define printing informations (2b, 3b) inclusive of identifying informations ID1, ID2 of a paper block (2) and a cover (3) whereas printing machines (1a, 1b) respectively perform a printing operation on the paper block (2) and the cover (3). Information readers (6a, 6b) respectively read the printing informations of the paper block (2) and the cover (3) so as to supply the information thus acquired to a book-binding controller (7). Based on either of the informations thus supplied, the book-binding controller (7) supplies a book binding apparatus (20) or (80) with a control signal (CS) of settings for the book binding process. Additionally, the control signal (CS) of the settings for the book binding process is outputted when the ID1 and ID2 are in correspondence. Based on the printing information of the paper block, respective quantities of movement of the laterally movable members (31, 32, 42, 43, 61, 62) are automatically regulated.

Abstract: A compact card connector is equipped with an efficient stop means for an ejection member and that affords easy mounting of the ejection member which serves as a card-ejecting means. The card connector has an ejection member (90) that is capable of pivoting within a connector (21) in order to eject a card. The pivoting of the ejection member (90) is stopped by a supporting member (50) that is fixedly mounted to the connector (21). Supporting members (50, 50a), along with a plate member (40), constitutes a support means for an FPC (30).

Abstract: A multiple beam scanning apparatus and a light source unit employed in the multiple beam scanning apparatus and a method of multiple beam scanning. A multiple beam scanning apparatus is realized which utilizes a multiple beam system in which four or more light beams are employed with comparatively low cost without making a light source unit, deflection medium, focusing optical system, etc. large sized. The light source unit employed in the multiple beam scanning apparatus includes m (m.gtoreq.2) pieces of semiconductor laser arrays respectively having n (n.gtoreq.2) light-emitting points. A multiple beam system is realized utilizing n-times multiple beams without making the light source unit large sized. Furthermore, another multiple beam system is realized utilizing m-times multiple beams and enabling making such a multiple beam system on further profitable conditions.

Abstract: The current disclosure discloses methods of and systems for automatically adjusting or selecting a pitch between beams in a multi-beam scanning system. An array of light sources is mounted on a rotatable housing and emits light in a direction perpendicular to the rotational plane. The system or method measures a pitch on or near an intermediate image-forming surface. In response to the measured pitch, the scanning as well as sub-scanning pitch is automatically adjusted or selected by rotating a housing unit to maintain a desired pitch.

Abstract: A multi-beam light source device which can be used in an optical scanning device has less optical cross-talk and an improved stability in frequency response. The multi-beam light source device comprises a semiconductor laser array having a plurality of light emitting sources, a light receiving element array having a plurality of light receiving elements and a half mirror splitting a light beam emitted by the semiconductor laser array into at least two split light beams. A light converging unit is provided for converging one of the split light beams at a predetermined focal point. The light receiving element array is positioned at the focal point of the light converging unit for receiving the concentrated one of the split light beams. A controlling circuit is provided for controlling an output of the semiconductor laser array in accordance with the amount of light received by the light receiving element array.

Abstract: An optical recording apparatus comprises a laser diode array including a plurality of laser diodes for producing a plurality of laser beams in response to a drive signal indicative of an image, an optical system for scanning the laser beams on a surface of a photosensitive body, a beam splitting unit for splitting the laser beams produced by the laser diodes to form control laser beams; a driver for driving each of the laser diodes in the laser diode array, an optical detection unit provided for detecting the control laser beams, the optical detection unit including a plurality of photodetectors in correspondence to the laser diodes in the laser diode array in a one-to-one relationship, each of the photodetectors producing an output signal indicative of an optical power of the control laser beam incident thereto, and a control unit supplied with the output signals from the photodetectors in the optical detection unit for controlling the driver such that each of the laser diodes in the laser diode array produc

Abstract: A scanning optical system has a light source for emitting a light beam; a condenser lens for changing the light beam from the light source to a parallel light beam; a connection holding member for supporting the light source and the condenser lens; a deflector for deflecting an approximately parallel light beam transmitted from the condenser lens at an equiangular velocity; and a lens for optical scanning for scanning a scanned face at an approximately equal speed while converging the light beam deflected by the deflector and forming an image in the shape of a spot on the scanned face, the lens for optical scanning being formed by a plastic material for optics.

Abstract: A brake mechanism including a brake member, an urging force switching member pivotable and movable among a plurality of specified positions, and a single elastic member arranged between the brake member and the urging force switching member. By switching one of the action positions of the urging force switching member to another, a different urging force is applied to the brake member from the single elastic member according to the action positions. A drive and control member separately performs a switch-over between the pressing position and the releasing position of the brake member and a switch-over of one of the action positions of the urging force switching member to another.

Abstract: A scanning optical system has a light source for emitting a light beam; a condenser lens for changing the light beam from the light source to a parallel light beam; a connection holding member for supporting the light source and the condenser lens; a deflector for deflecting an approximately parallel light beam transmitted from the condenser lens at an equiangular velocity; and a lens for optical scanning for scanning a scanned face at an approximately equal speed while converging the light beam deflected by the deflector and forming an image in the shape of a spot on the scanned face, the lens for optical scanning being formed by a plastic material for optics.

Abstract: An optical scanning system includes a light source, a coupling lens, a polygon mirror, an f.theta. lens, and a barrel toroidal lens. The barrel toroidal lens includes a barrel toroidal surface in which the radius of curvature thereof measured in the sub-scanning direction decreases with an increased distance from the optical axis of the barrel toroidal lens in a direction parallel to the main scanning direction.