Proceedings of the International Microelectronics And Packaging Society Conference (한국마이크로전자및패키징학회:학술대회논문집)

The Korean Microelectronics and Packaging Society (한국마이크로전자및패키징학회)
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New Products for High Reliable Connections in Packaging Technology

  • Published : 2006.10.11
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Abstract

1. $Welco^{(R)}$ Ultra fine solder powders are suitable for wafer bumping applications; mass production of ultra fine powders with high quality and high yield. - UFP based pastes for wafer bumping by stencil printing ($60-80{\mu}m$ pitch) are now available - Residue free solder flux was developed; meets voids specification of 20%. - F645 type 5 paste is suitable for components 01005

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