CA2422773A1 - Security document with nano-pattern - Google Patents

Security document with nano-pattern Download PDF

Info

Publication number
CA2422773A1
CA2422773A1 CA002422773A CA2422773A CA2422773A1 CA 2422773 A1 CA2422773 A1 CA 2422773A1 CA 002422773 A CA002422773 A CA 002422773A CA 2422773 A CA2422773 A CA 2422773A CA 2422773 A1 CA2422773 A1 CA 2422773A1
Authority
CA
Canada
Prior art keywords
document
pattern
nano
latent message
message
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002422773A
Other languages
French (fr)
Other versions
CA2422773C (en
Inventor
George K. Phillips
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Verify First Technologies Inc
Original Assignee
Verify First Technologies, Inc.
George K. Phillips
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Verify First Technologies, Inc., George K. Phillips filed Critical Verify First Technologies, Inc.
Publication of CA2422773A1 publication Critical patent/CA2422773A1/en
Application granted granted Critical
Publication of CA2422773C publication Critical patent/CA2422773C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/14—Security printing
    • B41M3/146—Security printing using a non human-readable pattern which becomes visible on reproduction, e.g. a void mark
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/913—Material designed to be responsive to temperature, light, moisture
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/914—Transfer or decalcomania
    • Y10S428/915—Fraud or tamper detecting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/916—Fraud or tamper detecting

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Printing Methods (AREA)
  • Credit Cards Or The Like (AREA)

Abstract

A counterfeit-resistant document (10) comprises a substrate (22) and a nano-pattern (32) of nano-structures (38) disposed on the substrate (22), wherein the nano-pattern (32) is configured for forming a latent message (24) (e.g., a warning or alert message) that appears on a copy (20') of the document (20).
The nano-pattern (32) forms one of a foreground (28) and a background (30) of the latent message (24); and another pattern, e.g., a conventional pattern (30) or another nano-pattern, forms the other of the foreground (28) and background (30) of the latent message (24). The nano-pattern (32) and the other pattern are configured, such that the foreground (28) and background (30) exhibit substantially similar visual densities on an original of the document, and exhibit substantially different visual densities on the copied document (20').

Claims (48)

1. A document, comprising:
a substrate; and a nano-pattern on said substrate, wherein said nano-pattern is configured for forming a latent message that appears on a copy of said document.
2. The document of claim 1, wherein said nano-pattern forms a foreground of said latent message.
3. The document of claim 1, wherein said nano-pattern forms a background of said latent message.
4. The document of claim 1, wherein said nano-pattern forms one of said foreground and said background of said latent message, and said nano-pattern is configured, such that said one of a foreground and a background of said latent message exhibits a first visual density on an original of said document, and a second visual density greater than the first visual density on said copy of said document.
5. The document of claim 1, wherein said nano-pattern forms one of a foreground and a background of said latent message, and another pattern forms another of said foreground and said background of said latent message.
6. The document of claim 5, wherein said at least one of said nano-pattern and said another pattern is printed in half-tone.
7. The document of claim 5, wherein said nano-pattern and said another pattern are configured, such that said foreground and said background exhibit substantially similar visual densities on an original of said document, and exhibit substantially different visual densities on a copy of said document.
8. The document of claim 5, wherein said another pattern is another nano-pattern.
9. The document of claim 1, wherein said latent message is a warning or alert message.
10. The document of claim 1, wherein said document further comprises bearer information.
11. The document of claim 1, wherein said nano-pattern comprises less than two-point print.
12. The document of claim 1, wherein said nano-pattern comprises less than one and one-half point print.
13. The document of claim 1, wherein said nano-pattern comprises a plurality of adjacent elements that are configured to trap printing matter when electronically copied.
14. The document of claim 1, wherein said nano-pattern comprises a plurality of nano-structures.
15. The document of claim 14, wherein said plurality of nano-structures comprises a plurality of polygons.
16. The document of claim 14, wherein said plurality of nano-structures comprises a plurality of alpha-numerical characters.
17. The document of claim 16, wherein said plurality of alpha-numerical characters form a series of words.
18. The document of claim 16, wherein said plurality of alpha-numerical characters forms an algorism.
19. The document of claim 14, wherein said plurality of nano-structures comprises a plurality of ovals or circles.
20. The document of claim 14, wherein said plurality of nano-structures comprises one of a plurality of crosses and a plurality of x's.
21. The document of claim 14, wherein said plurality of nano-structures exhibit an open architecture.
22. The document of claim 14, wherein said plurality of nano-structures exhibit a closed architecture.
23. The document of claim 14, wherein one or more of the nano-structures is deviated.
24. The document of claim 1, wherein said nano-pattern is regular.
25. The document of claim 1, wherein said nano-pattern is irregular.
26. The document of claim 1, wherein said nano-pattern is modulated.
27. A document, comprising:
a substrate; and a latent message formed by a pattern, wherein said pattern is configured for trapping printing matter, when electronically copied, to activate said latent message on a copy of said document.
28. The document of claim 27, wherein said pattern forms a foreground of said latent message.
29. The document of claim 27, wherein said pattern forms a background of said latent message.
30. The document of claim 27, wherein said pattern is configured for exhibiting a first visual density on an original of said document, and exhibiting a second visual density greater than said first visual density on said copy of said document.
31. The document of claim 27, wherein said pattern forms one of a foreground and a background of said latent message, and another pattern forms the other of said foreground and said background of said latent message.
32. The document of claim 31, wherein said pattern and said another pattern are configured for respectively exhibiting first and second visual densities on an original of said document, and respectively exhibiting third and fourth visual densities on said copy of said document, wherein said first and second visual densities are substantially similar, and said third and fourth visual densities are substantially different.
33. The document of claim 27, wherein said latent message is a warning or alert message.
34. The document of claim 27, wherein said document further comprises bearer information.
35. The document of claim 27, wherein said pattern comprises a plurality of adjacent rectilinear elements that coordinate with each other to trap said printing matter.
36. The document of claim 27, wherein said pattern comprises a plurality of adjacent curvilinear elements that coordinate with each other to trap said printing matter.
37. The document of claim 27, wherein said printing matter comprises ink.
38. The document of claim 27, wherein said printing matter comprises toner.
39. The document of claim 27, wherein said substrate comprises paper stock.
40. A document, comprising:
a substrate;
a nano-pattern disposed on said substrate, wherein said nano-pattern is configured for forming a latent message that appears on a copy of said document; and a camouflage pattern disposed on said substrate, wherein said camouflage pattern is coinciding with said latent message.
41. The document of claim 40, wherein said camouflage pattern and said nano-pattern are composed of a standard ink.
42. The document of claim 40, wherein said camouflage pattern is composed of an environmentally changing ink.
43. The document of claim 42, wherein said environmentally changing ink comprises a thermochromic ink.
44. The document of claim 43, wherein said thermochromic ink has a cold visual density level of between 0.15 and 0.80 and a warm visual density level of between 0.02 and 0.22.
45. The document of claim 43, wherein said thermochromic ink has a cold visual density level of between 0.15 and 0.35 and a warm visual density level of between 0.08 and 0.22.
46. The document of claim 43, wherein said thermochromic ink has a visual density that inversely varies with temperature.
47. The document of claim 43, wherein said thermochromic ink has a cold density, such that said camouflage pattern is inactivated at room temperatures, and a warm density, such that said camouflage pattern is activated at scanning temperatures.
48. The document of claim 43, wherein the camouflage pattern exhibits a first visual density at room temperatures to suppress said latent message on an original of said document, and exhibits a second visual density at scanning temperatures to exhibit said latent message on said copy of said document.
CA2422773A 2000-07-21 2001-07-12 Security document with nano-pattern Expired - Fee Related CA2422773C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/621,325 2000-07-21
US09/621,325 US6692030B1 (en) 2000-07-21 2000-07-21 Security document with nano-pattern
PCT/US2001/022184 WO2002007988A1 (en) 2000-07-21 2001-07-12 Security document with nano-pattern

Publications (2)

Publication Number Publication Date
CA2422773A1 true CA2422773A1 (en) 2002-01-31
CA2422773C CA2422773C (en) 2010-07-06

Family

ID=24489704

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2422773A Expired - Fee Related CA2422773C (en) 2000-07-21 2001-07-12 Security document with nano-pattern

Country Status (5)

Country Link
US (1) US6692030B1 (en)
EP (1) EP1322479A1 (en)
AU (1) AU2001280545A1 (en)
CA (1) CA2422773C (en)
WO (1) WO2002007988A1 (en)

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Also Published As

Publication number Publication date
US6692030B1 (en) 2004-02-17
CA2422773C (en) 2010-07-06
WO2002007988A1 (en) 2002-01-31
EP1322479A1 (en) 2003-07-02
AU2001280545A1 (en) 2002-02-05

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