EP 2455228 A1 20120523 - Safety document and/or document of value containing an electromechanical converter
Title (en)
Safety document and/or document of value containing an electromechanical converter
Title (de)
Sicherheits- und/oder Wertdokument enthaltend einen elektromechanischen Wandler
Title (fr)
Document de sécurité et/ou de valeur contenant un convertisseur électromécanique
Publication
Application
Priority
EP 10191715 A 20101118
Abstract (en)
The document has an electromechanical converter including electrodes and a layer containing inorganic piezoelectric material arranged between the electrodes. The material is selected from a group including piezoelectric crystal, piezoelectric ceramics or material for piezoelectric thin layer based on barium titanate, lead zirconate titanate or silica. The converter is present between thermoplastic resin layers. An intermediate layer made of adhesive is present between the converter and the resin layers. The converter activates organic and polymer LED structures for lighting purposes. The electrodes are made of material selected from a group consisting of metals, metal alloys, conductive oligomer or polymer, conductive oxide and/or polymers filled with conductive fillers. The thermoplastic resin layers are formed as Teslin(RTM: Synthetic material). An independent claim is also included for a method for manufacturing a safety- and/or value document.
Abstract (de)
Die vorliegende Erfindung betrifft ein Sicherheits- und/oder Wertdokument mit einem elektromechanischen Wandler als neuartigem Sicherheitselement, ein Verfahren zu dessen Herstellung sowie die Verwendung eines solchen elektromechanischen Wandlers als Sicherheitselement in Sicherheits- und/oder Wertdokumenten.
IPC 8 full level
B42D 15/00 (2006.01); B42D 15/10 (2006.01)
CPC (source: EP US)
B42D 25/23 (2014.10 - EP US); B42D 25/36 (2014.10 - EP); B42D 25/373 (2014.10 - EP US); B42D 25/47 (2014.10 - EP US)
Citation (applicant)
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- DE 2407776 A1 19750904 - LICENTIA GMBH
- DE 2715932 A1 19781019 - BAYER AG
- DE 1900270 A1 19691106 - RHODIACETA
- US 3692744 A 19720919 - RICH RENE, et al
- DE 102007054046 A1 20090618 - BAYER MATERIALSCIENCE AG [DE]
- WO 2010091796 A1 20100819 - BAYER MATERIALSCIENCE AG [DE], et al
- SCHNELL: "Polymer Reviews", vol. 9, 1964, INTERSCIENCE PUBLISHERS, article "Chemistry and Physics of Polycarbonates"
- D. FREITAG; U. GRIGO; P. R. MÜLLER; H. NOUVERTNE; BAYER AG: "Encyclopedia of Polymer Science and Engineering", vol. 11, 1988, article "Polycarbonates", pages: 648 - 718
- DRES. U. GRIGO; K. KIRCHNER; P. R. MÜLLER; BECKER; BRAUN: "Kunststoff-Handbuch, Band 3/1, Polycarbonate, Polyacetale, Polyester, Celluloseester", vol. 3-1, 1992, CARL HANSER VERLAG MÜNCHEN, article "Polycarbonate", pages: 117 - 299
Citation (search report)
- [XYI] JP 2004078731 A 20040311 - FUJITSU LTD
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Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DOCDB simple family (application)
EP 10191715 A 20101118