TCB and Copper Pillar Flux
Cu-Pillar Flip-Chip Flux is a dipping flux designed for use in thermocompression bonding flip-chip copper pillar applications. Its rheology and chemical design enables its use with dipping depths down to 10 microns or less.
The amount of flux deposited on the substrate can be optimized by changing equipment parameters. Key variables include temperature, copper-pillar dimensions, shear speed, time of shearing before dipping, dwell time in flux, and depth of immersion. The flux rheology can be optimized for the desired application by shearing to achieve the desired viscosity.
Packaging is available in 10cc and 30cc syringes.
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Andy C. Mackie, PhD, MSc
Senior Product Manager, Semiconductor Assembly Materials
From One Engineer to Another®
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