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    • 7. 发明专利
    • Bonding device
    • 绑定设备
    • JP2014011312A
    • 2014-01-20
    • JP2012147083
    • 2012-06-29
    • Shibuya Kogyo Co Ltd澁谷工業株式会社
    • TANAKA EIJIYASUYOSHI HIROYUKI
    • H01L21/60B23K26/00B23K26/064
    • B23K26/22B23K1/00B23K1/0016B23K1/0056B23K3/04B23K26/00B23K26/20B23K2201/42H01L21/56H01L24/75H01L24/80H01L24/81H01L2021/6003H01L2021/60112H01L2224/131H01L2224/16225H01L2224/16227H01L2224/75262H01L2224/75702H01L2224/75745H01L2224/81024H01L2224/81224H01L2924/12042H01L2924/00012H01L2924/014H01L2924/00
    • PROBLEM TO BE SOLVED: To solve a problem caused by use of flux or the like when a work for bonding a semiconductor chip is performed by a conventional bonding device, that is, a problem of reduction of the heating efficiency, etc. when a bonding tool is heated with a laser beam.SOLUTION: A chip suction passage 23 is provided over a housing 5A, a tool base 13 and a bonding tool 14. When negative pressure is supplied to the chip suction passage 23, a semiconductor chip 3 can be adsorbed and held on the lower surface of the bonding tool 14. The tool base 13 is constructed by stacking transmission members 11, 12, and a connection passage 29 serving as a main part of the chip suction passage 23 is constructed by a groove 12B formed on the upper surface of the transmission member 12 and a through-hole 12A at a center portion. Accordingly, even when flux or the like adhering to a bump 35 evaporates, scatters and adheres to the inside of a connection passage 29 during heating of the semiconductor chip 3 with a laser beam L to bond the semiconductor chip 3 to a substrate 2, reduction of the transmissivity of the laser beam L due to the flux or the like can be prevented because the installation place of a groove 12B is small.
    • 要解决的问题:为了解决当通过传统的接合装置进行用于接合半导体芯片的工作时使用焊剂等引起的问题,即当接合时降低加热效率等的问题 工具用激光束加热。解决方案:在壳体5A,工具基座13和接合工具14上设置芯片吸入通道23.当向芯片吸入通道23供应负压时,半导体芯片3可以 吸附并保持在接合工具14的下表面上。工具基座13通过堆叠传输构件11,12构成,并且用作芯片吸入通道23的主要部分的连接通道29由形成的槽12B构成 在传动构件12的上表面和中心部分的通孔12A。 因此,即使当粘附到凸块35的焊剂等蒸发时,在用半导体芯片3加热半导体芯片3以将半导体芯片3接合到基板2的同时,在连接通道29的内部散射并附着到还原 由于沟槽12B的安装位置小,可以防止由于通量等导致的激光束L的透射率。