C5736 is a gold conductor paste that has been formulated for use with Al or Au wire bonding applications. C5736 is a screen printable paste that gives an extremely dense and defect-free fired film. Fine lines are able to be printed down to 75 μm lines and spaces with etching possible for ultra-fine features down to 25 μm.
Key Features
High conductivity Fine line printing Etchable (Chemical and Laser)
Metal
Au
Viscosity
300 – 530 Kcps, Anton Paar Physica MCR101, CP25-1, 4sec-1, 25 °C
Coverage
118 cm2/g @ 10 µm fired film thickness
Coverage
118 cm2/g @ 10 µm fired film thickness
Storage and Paste Preparation
Refrigerate at 1 – 5°C to ensure shelf life. Allow paste to come to room temperature prior to opening. Spatulate well before using, as settling may occur during storage.
Warranty
6 months
Printing Parameters
325 – 400 mesh stainless steel screen 0.3 – 0.5 mil emulsion 1.1 mil wire
Drying Temperature
150 °C for 10 minutes Make sure ventilation is sufficient to prevent the wet film from skinning
Process Temperature (TDS)
850 °C peak temperature, 10 minutes at peak Total cycle time of 45 – 60 minutes