Silver paste

Ohmic silver paste performance indicators:

1. Ohmic contact resistance: ≤ 2%;

2. High voltage and high current capability: no electrode arcing;

3. Store at room temperature for 1000 hours △ R / R: ≤ 2%;

4. boil for 24 hours △ R / R: ≤ 8%;

5. Adhesion: Pull with scotch tape, no film layer falling off;

6. Square resistance (mΩ/□): ≤50

Surface silver paste, welding silver paste performance indicators:

1. High voltage and high current capability: no electrode arcing;

2. Store at room temperature for 1000 hours △ R / R: ≤ 2%;

3. boil for 24 hours △ R / R: ≤ 7%;

4. Adhesion: vertical tensile force ≥ 1.5Kg;

5. Square resistance (mΩ/□): ≤5