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Patent Searching and Data


Title:
MULTILAYER BODY
Document Type and Number:
WIPO Patent Application WO/2011/029602
Kind Code:
A3
Abstract:
The invention relates to a multilayer body (2) having a transparent first layer (13). In a first region (31) of the transparent first layer (13) a plurality of microlenses (21) are moulded, which are arranged in accordance with a microlens grid. Furthermore, the multilayer body (2) has a second layer (12) arranged beneath the first layer (13) and in a fixed position with respect to the first layer (13), the second layer having a plurality of microimages (22) which, in order to generate first optically variable information, are arranged in accordance with a microimage grid and in each case overlapping at least in areas with one of the microlenses (21) of the microlens grid. The grid widths (41, 42) of the microimage grid and the microlens grid are each less than 300 μm in at least one direction in space.

Inventors:
SCHILLING ANDREAS (CH)
TOMPKIN WAYNE ROBERT (CH)
HANSEN ACHIM (CH)
Application Number:
PCT/EP2010/005552
Publication Date:
May 05, 2011
Filing Date:
September 09, 2010
Export Citation:
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Assignee:
OVD KINEGRAM AG (CH)
SCHILLING ANDREAS (CH)
TOMPKIN WAYNE ROBERT (CH)
HANSEN ACHIM (CH)
International Classes:
G02B3/00; B42D15/00; G02B27/22; G02B27/60; G07D7/00
Domestic Patent References:
WO2005106601A22005-11-10
WO2007115244A22007-10-11
Foreign References:
DE102005062132A12007-07-05
DE102007007914A12008-08-21
EP1878584A22008-01-16
DE102005028162A12006-12-28
Attorney, Agent or Firm:
ZINSINGER, Norbert et al. (Postfach 30 55, Nürnberg, DE)
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