NAMICS is the world’s leading supplier of underfills for a diverse number of applications. The current trend for CSPs and BGAs are moving towards finer pitch designs due to increase in I/O (input and output) count causing solder joints to decrease in size. The decrease size in the solder balls makes them more susceptible to failure during drop, shock and thermal cycle testing. To meet these challenges, a new generation of board level underfills are needed offering reliability performance similar to packaging level underfills with manufacturability of current board level materials such as fast flow and curing.
NAMICS latest board level underfills are formulated for today’s packaging designs and comply with the future REACH 2022 requirements. The result is an innovative board level underfill designed to meet both current and future applications. These board level underfills offer:
NAMICS Reworkable Board Level Underfill ensure high reliability through temperature cycling, environmental testing and drop testing to meet stringent automotive standards and can easily be reworked with no residue or solder mask damage. They offer high volume throughput with fast flow at room temperature and quick curing.
|Low Temp Cure||*||*|
|Room Temp Flow||*|
|REACH 2022 GREEN||*||*||*||*|
|Viscosity||3.5 Pa–sec||40.0 Pa-sec||3.0 Pa-sec||0.7 Pa-sec|
|CTE||50 ppm||32 ppm||25 ppm||60 ppm|
|Bending Modulus||5.0 GPa||8.0 GPa||10.0 GPa||4.0 GPa|
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