Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Foil material and methods for the production thereof

A liquid crystal material and plastic technology, applied in chemical instruments and methods, thin material processing, printing, etc., can solve problems such as complex arrangement of liquid crystal materials

Inactive Publication Date: 2010-05-12
GIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This usually requires additional work steps, so that the alignment of the liquid crystal material on such an alignment layer is complicated

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Foil material and methods for the production thereof
  • Foil material and methods for the production thereof
  • Foil material and methods for the production thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0057] The invention will now be explained in more detail using a banknote as an example. to this end, figure 1 A schematic view of a banknote comprising two security elements 12 and 16 is shown, each of which is produced by means of a foil material according to the invention.

[0058] The first security element 12 constitutes a security thread, although it is embedded inside the banknote 10 in some of its regions, it emerges in certain window regions 14 on the surface of the banknote 10 . The second security element 16 is formed by a wide security strip, which is adhered to the banknote paper with a heat seal adhesive.

[0059] figure 2 A top view of a second security element 16 in the form of a security strip is shown, which appears when viewed without an aid or when viewed with a linear polarizer 20 . Viewed without aids, the second security element 16 in the form of a security strip exhibits a shiny metallic, optically variable diffractive structure 22 , for example a ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a sheeting that is to be transferred to a target substrate as well as methods for producing such sheeting. According to the inventive method, a plastic support film (32) is provided that is suitable for orienting crystalline liquid material. A layer (34) of crystalline liquid material that is oriented is partially applied to the support film (32).

Description

technical field [0001] The invention relates to a foil material for transfer to a target substrate, a method for producing such a foil material, and a security element producible with this foil material. The invention also relates to a method for transferring a foil material to a target substrate, a method for producing a security element and a method for producing a valuable item such as a security bond or a document of value. Background technique [0002] For protection, valuables such as branded items and documents of value are often equipped with a security element which allows the authenticity of the document to be verified and which at the same time serves as protection against unauthorized copying. For example, this could be a printed security bond, an ID card made of plastic, or any other document that needs to be protected. [0003] Optically variable elements are frequently used as security elements, which present different image impressions, for example different...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/1337B42D15/00B32B27/36G07D7/12G06K19/06B41K3/14B42D15/10
CPCB42D2035/42G07D7/122B42D25/00B42D2033/26B42D15/10B42D15/0013B42D25/391B42D25/29G07D7/1205Y10T428/2969B42D25/364
Inventor W·霍夫米勒T·布尔夏德T·皮洛M·海姆
Owner GIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com