Low-silver PV stringer adhesive debuts from ECM

DB-1541-S3 conductive stringer attach adhesive was optimized for conductivity and stability on molybdenum substrates and has more than 12% lower silver loading than the standard DB-1541-S series of conductive stringer attach adhesives.

July 15, 2011 — Engineered Conductive Materials LLC, conductive photovoltaic interconnect materials supplier, introduced the DB-1541-S3 conductive stringer attach adhesive for thin-film, organic and thinned silicon solar module assembly. The formula was optimized for conductivity and stability on molybdenum (Mo) substrates and has more than 12% lower silver loading than the standard DB-1541-S series of conductive stringer attach adhesives.

Its rheology is optimized for dispensing. The product targets damp heat resistance and conductivity stability on tin, tin-silver and silver-plated ribbons. It maintains a lower volume resistivity than DB-1541-S despite the reduced silver formula. The DB-1541-S3 features a rubber-like flexibility with high peel strength to withstand the stresses induced in reel-to-reel flexible photovoltaics manufacturing processes.

Also see: PV ribbon-attach conductive adhesive from ECM suits Sn, SnAg, Ag

Engineered Conductive Materials manufactures conductive stringer attach adhesives; conductive adhesives for back contact crystalline silicon, thin-film and via fill applications; and conductive grid inks for photovoltaic applications. ECM is a wholly-owned company of Engineered Materials Systems, Inc. (EMS). For more information, visit www.conductives.com.

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