ACI Alchemy Conductive Inks are a series of highly conductive semi-sintering or hybrid type formulations that enable a range of advantages to current users of silver polymer thick film (PTF) and nanoparticle-based inks, pastes, and coatings. These formulations offer the ease of use and processing of PTF inks and coatings, but with the superior electrical performance of sintered nano inks.
Material cost savings
The low volume resistivity (high conductivity) of the materials and ability to print thinner films enable lower cost in use compared to traditional percolation type conductors
Higher power/current density applications
Ability to sinter at greater film thickness than nano inks allows for low resistivity AND low sheet resistance films able to carry more current or power without overheating
Superior mechanical performance (flex and crease)
The ability to print much thinner films with equivalent sheet resistance to PTF conductors allows for superior flex ductility and hard crease resistance
Higher resolution printing
The small particle size of the formulations allows screen printing, microdispensing, jetting and spraying of finer interconnects
Higher speed curing
Curing rate often limits the use of nanoinks, however these formulations cure at rates amenable to traditional screen-printing dryers
Solder paste wettability
Alchemy inks wet nicely by BiSn(Ag) low temperature solder pastes, so on some substrates reflow solder-based attach may be possible
No change in temperature/humidity aging
Cartridges must be kept refrigerated, and have a shelf life of 12 months.
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