Chinese Journal of Lasers, Volume. 47, Issue 8, 802010(2020)

Analysis on Tin Spattering of a Micro Solder Joint During Laser Jet Solder Ball Bonding Process

Yue Wu*, Gong Chenggong, Zhang Junxi, Bao Ying, Li Jing, and Feng Yi
Author Affiliations
  • School of Materials Engineering, Lanzhou Institute of Technology, Lanzhou, Gansu 730050, China
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    References(19)

    [7] [7] KasulkeP, SchmidtW, TiterleL, et al.Solder ball bumper SB2: a flexible manufacturing tool for 3-dimensional sensor and microsystem packages[C]∥22nd IEEE/CPMT International Electronics Manufacturing Technology Symposium. IEMT-Europe 1998. Electronics Manufacturing and Development for Automotives (Cat. No.98CH36204). 27-29 April 1998, Berlin, Germany. New York: IEEE Press, 1998: 70- 75.

    [8] Liu W, Wang C Q, Li M Y et al. Effect of laser input energy on wetting areas of solder and formation of intermetallic compounds at Sn-3.5Ag-0.75Cu/Au right-angled joint interface[C]∥Proceedings of 2005 International Conference on A, 197-201(2005).

    [9] Ji H J, Ma Y Y, Li M Y et al. Effect of the silver content of SnAgCu solder on the interfacial reaction and on the reliability of angle joints fabricated by laser-jet soldering[J]. Journal of Electronic Materials, 44, 733-743(2015).

    [11] Lee Y, Kim K, Suganuma K. The effect of micro via-in pad design on surface-mount assembly defects: voiding and spattering[J]. Soldering & Surface Mount Technology, 25, 4-14(2013).

    [13] Yue W, Zhou M B, Zhang X P. Reliability and failure analysis of electronic components induced by the reflection of laser beam in the laser jet solder ball bonding process[C]∥18th International Conference on Electronic Packaging , 1658-1662(2017).

    [14] Yue W, Zhang X P. Essential factors influencing the wettability of Sn-3.0Ag-0.5Cu solder balls on Au pad of the right-angle solder interconnect in laser jet solder ball bonding[C]∥16th International Conference on Elect, 930-934(2015).

    [15] Yue W, Zhou M B, Zhang X P. Effect of the Au bonding pad contamination on the wettability of Au/Sn-3.0Ag-0.5Cu/Au solder joints in flux-free laser jet solder ball bonding process[C]∥ 17th International Conference on Electronic P, 1201-1205(2016).

    [16] Mehdizadeh N Z, Raessi M, Chandra S et al. Effect of substrate temperature on splashing of molten tin droplets[J]. Journal of Heat Transfer, 126, 445-452(2004).

    [17] Yang L L, Chen R, Qin W L et al. Research on vacuum reflow soldering process defects in power IC chips[J]. Microelectronics, 49, 574-577, 582(2019).

    [18] Xu M R, Liu C Y. The change of radius and velocity of the rising bubble in water[J]. College Physics, 27, 14-17(2008).

    [19] Wu S S[M]. Transport principles in materials processing and metallurgy, 74-82(2001).

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    Yue Wu, Gong Chenggong, Zhang Junxi, Bao Ying, Li Jing, Feng Yi. Analysis on Tin Spattering of a Micro Solder Joint During Laser Jet Solder Ball Bonding Process[J]. Chinese Journal of Lasers, 2020, 47(8): 802010

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    Paper Information

    Category: laser manufacturing

    Received: Feb. 17, 2020

    Accepted: --

    Published Online: Aug. 17, 2020

    The Author Email: Wu Yue (pony.yue@163.com)

    DOI:10.3788/CJL202047.0802010

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