The NTP series of  Z-axis electrically conductive adhesives provides the solar cell busbar to ribbon connection.  NTP is laminated at the same time as the solar panel assembly, thus saving the extra process steps needed for lead-free soldering.  High lap shear and peel strength and very low modulus  allow it to absorb higher CTE and bending stress than lead-free solder.

Since NTP strongly bonds to plastic and all metal substrates, it has excellent mechanical as well as electrical properties for Z-axis connection of printed plastic circuits.  Very high X-Y electrical insulation means that NTP can be used for circuits with as little as 200 micron spacing between pads.

The NTP series uses three different thermoplastic resins to offer application flexibility in bonding temperature and thermal cycling capability.  Bonding temperature options are 125C, 150C and 185C.  Thermal cycling capability ranges from -50C to +90C, +130C and +160C.

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