Print screen stencil
AssigneeArmstrong World Industries, Inc.
InventorJacob A. Otthofer, Jr.
Life of this patent
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Abstract
A print screen stencil for printing with corrosive printing compositions is disclosed. The stencil comprises a screen fabric having open mesh areas in a predetermined pattern adapted to allow the passage of a printing composition to a substrate positioned beneath the fabric and filled or closed mesh areas adapted to prevent the passage of a printing composition, the filled mesh areas comprising a resist coating encasing the mesh in the filled areas, the resist coating comprising cross-linked acrylic polymer intimately dispersed in fused vinyl resin.
Claims1
A print screen stencil for printing with corrosive printing compositions comprising a screen fabric having open mesh areas in a predetermined pattern adapted to allow the passage of a printing composition to a substrate positioned beneath the fabric and filled or closed mesh areas adapted to prevent the passage of a printing composition, the filled mesh areas comprising a resist coating encasing the mesh in the filled areas, said resist coating comprising cross-linked acrylic polymer intimately dispersed in fused vinyl resin.
Dependencies are inferred from the claim text.