Screen printer

Details Screen printer Screen printer

2007-06-05

2007-06-05

Nguyen, Anthony H. (Department: 2854)

Printing

Stenciling

Stencils

C101S101000, C101S126000

Reexamination Certificate

active

11038867

ABSTRACT:
In a screen printer for printing paste to the substrate through a pattern hole by abutting a mask plate on the substrate, the end face of a side end portion of the substrate is nipped and held from its both sides by a clamper. A warp correcting portion mounting a warp-correcting member constructed by a plate-shaped resilient metal is arranged in the clamper. When the substrate held to a substrate holding portion of a Z-axis table is clamped, a free end portion of the warp correcting member is abutted on the upper face side of the side end portion of the substrate, and the warp deformation of the substrate is corrected by pressing the free end portion downward. Thus, the warp deformation of the substrate is corrected by a simple and cheap mechanism, and the clamp state can be reliably held.

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