PROBE CARD SPECIFICATIONS
Minimum Pad Pitch: 45um in-line, 35/70um staggered
Minimum Bond Bad: <45um square
Electrical Specifications Measured on Probe Card Analyzer
- Planarity and Alignment: +/-0.25 mils for flat pads
- Contact Resistance Measured: <2 ohms at 25mA
- Standard Leakage 10nA @ 5V
Probe Tip Depth: Probe depth is measured from probe tip to the bottom of the PCB 80-350 mils +/-5 mils. (This is dependent on temperature and probe layer count)
Balance Contact Force (BCF): 1.2 to 3.0 gm/mil of overdrive (Dependent on overall design of ring, pad pitch and pad size)
Tip Diameter: +/-.2 mils
Tip Length: +2/-1 mil
Edge Sensor: 2 wire, 2 wire isolated, 3 wire isolated
Edge Sensor Resistance: 1.0Ω max between the sensor probe and the switch
Probing Temperature: Ambient up to 150º C, High Temp 151°- 200º C
Probe Material:
- Tungsten
- Rhenium Tungsten (RhTungsten)
- Hardened Beryllium Copper (HBeCu)
- Beryllium Copper (BeCu)
- Paliney7™
- Newtek™
Printed Circuit Boards Materials:
- High Temp FR4 (Polyclad 370)
- Gtek™
- Nelco High Performance (N4000-13)
- Polyimide
- Rogers™
- Mixed Dielectrics
- Flatness 5.0 mils per linear inch
PCB Design and Fabrication
BCF measurements available upon request |