Lithographic printing members with deformable cushioning layers
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United States of America Patent
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Jan 6, 1998
Grant Date -
N/A
app pub date -
Jan 30, 1996
filing date -
Jan 30, 1996
priority date (Note) -
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Abstract
Printing members resistant to handling damage include a porous compressible layer that deforms in response to applied forces, inhibiting overlying layers from tearing or scratching. One type of construction involves ablation-type printing members, wherein pulses from a heat source ablate one or more layers to expose (or facilitate exposure of by cleaning) an underlying layer. A second type of construction utilizes traditional photoexposure-type layers that harden or increase adhesion to adjacent layers in response to actinic radiation. The compressible layer is typically located below the radiation-responsive or imaging layer, but may also serve as that layer.
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