B - Operations – Transporting – 41 – F
Patent
B - Operations, Transporting
41
F
B41F 7/00 (2006.01) B41C 1/05 (2006.01) B41C 1/10 (2006.01) B41J 2/435 (2006.01) B41L 17/00 (2006.01) B41N 1/14 (2006.01)
Patent
CA 2143808
Lithographic printing members suitable for imaging by means of laser devices that preferably emit in the near- infrared region. Laser output ablates an absorbing (preferably titanium) layer sandwiched between an oleophobic or hydrophilic layer and a polyester layer, resulting in an imagewise pattern of features on the member. The image features exhibit an affinity for ink or an ink-abhesive fluid that differs from that of unexposed areas. The member may be laminated to a plastic or metal support; in the latter case, the metal may be chosen or processed to reflect imaging radiation.
Holley Leonard
Lewis Thomas E.
Nowak Michael T.
Presstek Inc.
Smart & Biggar
LandOfFree
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