Title:
多層体
Document Type and Number:
Japanese Patent JP5700580
Kind Code:
B2
Abstract:
A multilayer body includes a transparent first layer. In the transparent first layer, a multiplicity of microlenses arranged in accordance with a microlens grid are impressed in a first region. Furthermore, the multilayer body includes a second layer, which is arranged below the first layer and in a fixed position with respect to the first layer and has a multiplicity of microimages arranged in accordance with a microimage grid and in each case in an at least regional overlap with one of the microlenses of the microlens grid for the purpose of generating a first optically variable information item. The grid pitches of the microimage grid and of the microlens grid in each case in at least one spatial direction are less than 300 μm.
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Inventors:
Schilling Andreas
Tompkin Wayne Robert
Hansen Ahim
Tompkin Wayne Robert
Hansen Ahim
Application Number:
JP2012528274A
Publication Date:
April 15, 2015
Filing Date:
September 09, 2010
Export Citation:
Assignee:
O'Fau Day Kinegram Argy
International Classes:
B42D25/342; G02B3/00; G02B3/02; G02B3/06
Domestic Patent References:
| JP2008545550A | ||||
| JP2009532745A | ||||
| JP2008052202A |
Foreign References:
| DE102007007914A1 | ||||
| DE102005062132A1 | ||||
| WO2005106601A2 | ||||
| WO2007115244A2 | ||||
| EP1878584A2 | ||||
| DE102005028162A1 |
Attorney, Agent or Firm:
Tamio Nishiwaki