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SOL9381M

Metallization Paste for Double Printing
SOL9381M is a front-side silver conductor for mono and multicrystalline silicon solar cells, formulated as a second layer for front-side finger lines and busbars for double printing. This paste, used in conjunction with Heraeus' front-side pastes provide improved conductivity of fine finger lines.
Key Benefits
  • High efficiency
  • Low series resistance
  • Excellent fine line resolution, high aspect ratio
  • Co-fireable with back-side Al and Ag/Al paste
  • Cd free
  • Wide process window
Typical Properties
  • Wafer Types: Mono and multicrystalline
  • Line Resolution (finger width): ≥ 60 µm
  • Solid content: 89.2 ± 1%
  • Viscosity:
    HBT Cone and Plate Viscometer (Brookfield):
    320 – 360 kcps;
    SC4-14 spindle, @ 10 rpm, 25°C

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