Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review
Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review
}
TY - GEN
T1 - Investigation of high speed micro-bump formation through electrodeposition enhanced by megasonic agitation
AU - Tian, Yingtao
AU - Liu, Changqing
AU - Hutt, David
AU - Stevens, Bob
AU - Flynn, David
AU - Desmulliez, Marc P. Y.
PY - 2011
Y1 - 2011
N2 - Electroplating has been employed to produce metallic micro-bumps to meet the demand of high density flip chip interconnections for high-end electronic devices. Previous studies indicated that megasonic agitation is a promising approach to enable high speed electrodeposition and bumping which therefore can increase the productivity and reduce the cost of the process. This paper takes indium bumping as an example and reports further investigation of the electroplating bumping enhanced by megasonic agitation. Experimental results demonstrate that the bumping process could be accelerated to five times faster than the ordinary DC electroplating situation without any significant effect on the bump height uniformity.
AB - Electroplating has been employed to produce metallic micro-bumps to meet the demand of high density flip chip interconnections for high-end electronic devices. Previous studies indicated that megasonic agitation is a promising approach to enable high speed electrodeposition and bumping which therefore can increase the productivity and reduce the cost of the process. This paper takes indium bumping as an example and reports further investigation of the electroplating bumping enhanced by megasonic agitation. Experimental results demonstrate that the bumping process could be accelerated to five times faster than the ordinary DC electroplating situation without any significant effect on the bump height uniformity.
U2 - 10.1109/ICEPT.2011.6066937
DO - 10.1109/ICEPT.2011.6066937
M3 - Conference contribution/Paper
SN - 9781457717703
SP - 739
EP - 744
BT - Electronic Packaging Technology and High Density Packaging (ICEPT-HDP), 2011 12th International Conference on
PB - IEEE
ER -