Contact Drying Process, Silicon PV Manufacturing

Contact drying is a short, mid-temperature process used to dry the metal paste that is screen printed onto the silicon solar cell. It can be undertaken in a standalone drier or as part of a combined drying & firing furnace.

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At a Glance
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Application Need

The drying process is critical where there can be up to three ovens on each production line. Setting up the drying process correctly will optimize production yield and ensure highest cell conversion efficiencies.

Benefits to the customer

Ensure the drying profile meets the paste specification
Quickly set up or change process settings
Match the dryer performance to the firing furnace

Thermal Profiling Systems

Datapaq® SolarPaq® Thermal Profiling System for Contact Drying

Lowest height solution can be used in ovens with as little as 10mm (.4 in) clearance, with no disruption to normal production settings
Obtain accurate repeatable results of cell temperature, enabling process optimization
Quickly plot changes in oven performance, enabling rapid problem resolution and minimum downtime