Xeikon Manufacturing N.v.

Stefaan Lippens

Dirk K Broddin

Wouter Boeckx

Dirk Broddin

A method and a printing system are described capable of rendering more than 2 density levels at the device pixel level using precalculated rectangular screening tiles of finite size that define a spatially repetitive screening operation according to geometric clustered dot screen definitions for first, second and third separation screens that has the following characteristics: (A) the set of at least three separation screens is free of second order moir&#xe9;; (B) the set of at least three separation screens consists of screens that have no internal moir&#xe9; and/or screens that have a reduced sensitivity to amplification by process instability of any remaining level of intrinsic internal moir&#xe9;; and (C) the screens have an optimized and balanced rosette structure leading to a reduction of visible patterning in overlays of the separation screens.

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Ghent, Belgium

Stefaan Lippens