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Holographic or optically variable printing material and method for customized printing

A photo-induced change and holographic technology, applied in the direction of copying/marking methods, processes for producing decorative surface effects, holographic processes, etc., can solve the problems of inapplicable personalized data security files, etc.

Inactive Publication Date: 2009-03-18
ILLINOIS TOOL WORKS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the holograms described in the patent are opaque and therefore unsuitable for ID cards or other security documents that require protection of various personalized data from alteration

Method used

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  • Holographic or optically variable printing material and method for customized printing
  • Holographic or optically variable printing material and method for customized printing
  • Holographic or optically variable printing material and method for customized printing

Examples

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Embodiment Construction

[0018] figure 1 A cross-sectional view is shown of a transfer material 10 comprising holographic or photovariable relief reliefs 20 and 22 in accordance with the present invention. Alternatively, bosses 20 and 22 may be provided digitally as described in the overview of this specification. exist figure 1 In the specific embodiments described in the transfer material is a film or tape. Material 10 includes multiple layers applied at different stages of the fabrication process. Thermally stable layer 12 may be made of polyester or any other suitable thermally stable material and other layers may be deposited on layer 12 . A release layer 14 is deposited on thermally stable layer 12 to facilitate subsequent separation of layer 12 from the other layers. The release layer generally comprises wax or any other suitable thermoplastic material which softens at a temperature such that the thermally stable layer 12 can be removed or loosened when the layer 14 is heat activated.

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Abstract

The present invention describes a transfer recording material that allows the production of customized holographic images. The transfer recording material comprises a multilayer structure on a carrier forming a plurality of mesas. A part of the multilayer structure corresponding to the mesas comprises an embossable layer (holographic layer) in which each pixel (1, 2...n) is configured at a certain predetermined angle α 1 Reflects incident light. Each pixel (1'2' . 2 Reflects incident light. The transfer recording material may have as many lands as is required for a particular application, each layer having an embossable layer with pixels configured to reflect incident light at a particular angle of reflection a. Thus, the transfer material is formed from a plurality of separate mesas, each mesa comprising an embossable layer that reflects incident light at a predetermined angle different from the reflection angle of the other mesas. When a surface of the printer head is activated, the pixels of the different lands are transferred to the substrate, creating the desired custom holographic design.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of US Provisional Patent Application Serial No. 60 / 319,541 filed September 10,2002. technical field [0003] The invention relates to the field of holographic or photo-induced variable media, a method for providing holographic or photo-induced variable media and a method for forming holographic or photo-induced variable images on a substrate. More specifically, a multilayer holographic or photochromic material comprising a plurality of embossed panels is provided so that a single customized holographic or optical The mutagenic image is printed on the substrate. Background technique [0004] Holographic or photovariable images have been used where it is desired to reproduce the appearance of one, two or three dimensional images on a variety of different substrates. Reflective transparent, translucent and opaque materials containing embossed holographic images are useful in decorativ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03H1/30B42D15/10B41M5/382B41M5/42B44C1/17G03H1/02G03H1/08G03H1/18H01L21/00
CPCG03H2210/53B41M5/38214G03H1/0244B41M5/42G03H1/0476G03H1/0252G03H2270/20G03H1/30G03H2250/36G03H2250/10G03H2250/34B42D15/105B44C1/1716G03H2210/54B42D25/328G03H1/02G03H2001/0497G03H2270/23G03H1/028G03H1/0011G03H1/04
Inventor 马克·O·伍恩顿纳
Owner ILLINOIS TOOL WORKS INC