Panel dimensions | Maximum panel dimensions of 400mm x 250mm. Panel should have a minimum of 3mm clearance along the X axis to allow for travel on the conveyor. |
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Panel Fiducials/BOC Markers | At least 2, preferably 3 fiducials per panel, located at opposite corners of the panel. The fiducials should not be covered by any solder mask, and should be HAL/Ag/Au finished. |
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Fiducial Specifications | Shape: round Size: 2mm diameter Clearance: 1mm |
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Tooling Holes | Although almost any size tooling holes are acceptable, at Compuspec our preference is 4mm diameter. | |
Solder Paste Stencil | We have options of using either a 20" QuickFrame stencil or a 29" Framed Stencil. The location of the panel apertures should be in the middle of the stencil, it is sometimes possible to place 2 artworks on the same stencil, or top and bottom artworks (20" QuickFrame). The 29" Framed stencil should have fiducials half etched on the non-squeegee side of the PCB. |