Patent ID: 7549371

Claim:
A stencil printer for printing viscous material on a substrate, the stencil printer comprising: a frame; a stencil coupled to the frame; a print head, coupled for the frame, to deposit and print viscous material over the stencil; a substrate support to support a substrate in a print position; and a substrate clamping assembly to clamp the substrate in the print position, the substrate clamping assembly comprising a pair of rail members, coupled to the frame, adapted to engage opposite edges of the substrate, each rail member being formed with a foil seat having a sloped surface, a pair of foils, one for each rail member, each foil having a first leg configured without any openings to engage the sloped surface of the foil seat and a second leg bent with respect to the first leg to overly the substrate, and a pair of clamping members, one for each rail member and foil, each clamping member having a mating sloped surface to releasably secure the foil in place on the rail member.