Metal surface treatment agent (CT-3)
Test results of salt water spray (Au)
- Plating composition
- Pure Cu material / Matte Ni 2.5 μm / Au-Co 0.05 μm
- Test conditions of salt water spray
- STP-90 Salt water Spray Test Instrument (manufactured by Suga Test Instruments Co., Ltd.)
5 wt% NaCl solution, pH7, 35°C, 48 h
Test results of sulfurization resistance discoloration (Ag)
- Plating composition
- Pure Cu material / Matte Ag 2.0 μm
- Test conditions of sulfidation
- 0.2 wt% ammonium sulfide solution, R.T, 3 min
Features
- Excellent corrosion resistance as a gold plating sealing agent
- Excellent sulfide tarnish prevention performance for silver
- The formation of monomolecular film acheives both wire bondability and solderability.
Main applications
- Au, Ag connectors
- FFC (Flexible Flat Cables)
- Ag reflectors for LEDs
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