- Paste Type: Conductor
- Application Method: Screen Printing
- Substrate: Alumina
- Metal: AgPd
- Application: Hybrid IC
- Description: C2140 is a Pd/Ag composition designed for applications where more leach resistance is required. The C2140 conductor is suitable for a wide variety of applications such as automotive electronics, power hybrids and commercial circuits where more stringent requirements exist. It exhibits excellent solderability, aged adhesion and is aluminum wire bondable.
- Key features: Excellent solderability and leach resistance
Excellent long term adhesion
Good AI wire bond adhesion (initial and aged)
- Printing Parameters: 280 – 325 mesh stainless steel screen
0.5 mil emulsion
Allow to level at room temperature for 5 – 10 minutes before
drying
- Process Temperature: 850 °C peak temperature10 minutes at peakTotal cycle time 30 – 60 minutes
- Film Thickness : Wet: 35 – 37 µm
Fired: 10 – 15 µm
- Viscosity: 180 – 260 Kcps Brookfield HBTSC4 – 14 spindle, 6R utility cup at 10 rpm, 25 °C
- Conductivity: ≤ 30 milliohms/square at 12 um fired film thickness
- Solids: 78.75 ± 0.75 %
- Alloy Ratio: 4 : 1
- Resistivity (Ohm/sq.): ≤ 30 mΩ/ at 12 μm fired film thickness