BEARING COMPONENT
    87.
    发明申请
    BEARING COMPONENT 审中-公开

    公开(公告)号:US20180099351A1

    公开(公告)日:2018-04-12

    申请号:US15840053

    申请日:2017-12-13

    申请人: Aktiebolaget SKF

    发明人: Ingemar STRANDELL

    摘要: A bearing component including a first metallic material and a second metallic material. The first metallic material provides a first carbon content and the second metallic material presents a second carbon content. The first metallic material and the second metallic material have been joined by a diffusion welding process. The diffusion welding process results in a transition zone with a varying carbon content between the first metallic material and the second metallic material. Varying carbon content in the transition zone is within an interval and the interval end points are defined by the carbon contents of the first metallic material and the second metallic material.

    BONDING DEVICE
    89.
    发明申请
    BONDING DEVICE 审中-公开

    公开(公告)号:US20180061803A1

    公开(公告)日:2018-03-01

    申请号:US15805714

    申请日:2017-11-07

    申请人: KAIJO CORPORATION

    发明人: Akio SUGITO

    摘要: [Problem]To provide a bonding device capable of adequately controlling a leading end of a capillary when a ball formed at a leading end of a wire is pressed and bonded to an electrode of a semiconductor chip with scrub vibration.[Solution]The bonding device is provided with a vibration driving portion (7), the vibration driving portion (7) including a plurality of piezoelectric elements (10) that are expanded and contracted along an axial direction of a bonding arm (3) respectively with one end thereof fixed to a leading end of the bonding arm (3), a plurality of capillary holding portions (15) that are in contact respectively with a circumferential face of a capillary (20) at a base end side thereof as being fixed correspondingly to the other end of the piezoelectric elements (10), and a pressing-holding portion (21) that sandwiches the capillary (20) as pressing the capillary (20) to the capillary holding portions (15) with at least one end side fixed to the bonding arm (3) and the other end side being in contact with the circumferential face of the capillary (20) at the base end side thereof on a side opposite to the capillary holding portions (15). Here, functional operation of amplitude, phase, frequency, or waveform is performed on drive voltage waveform to the respective piezoelectric elements.