Solamet® Metal Wrap Through (MWT) Technology

High-efficiency metal wrap through technology for silicon solar cells

The newest series of Metal Wrap Through (MWT) technology for high–efficiency rear side interconnected silicon solar cell designs.

  • Specifically developed to provide up to 0.4% greater efficiency in MWT solar cell designs versus standard cell designs.
  • Solamet® PV701 & PV71x paste is employed as a via paste and p-contact metallization for back side tabbing interconnects.

Key features include:

  • Excellent electrical contact to front side silver grid structures
  • High mechanical strength
  • High shunt resistance
  • High line conductivity
  • Outstanding solderability as a p-contact metallization