ALPHA WS9160-M7 Solder Flux

Water soluble paste flux for wafer level ball attach on both Fan-in and Fan-out applications.

  • Excellent activity allows for excellent soldering to Cu UBM, Cu OSP and ENIG soldering process
  • Excellent wettability: Excellent activity reduces the occurrence of dark balls
  • Excellent cleanability: Flux residues are removed easily with warm DI water