EP1028853A1 - Wärmeempfindlicher aufzeichnungsbogen mit druckempfindlichen mikrokapseln als sicherheitselement - Google Patents
Wärmeempfindlicher aufzeichnungsbogen mit druckempfindlichen mikrokapseln als sicherheitselementInfo
- Publication number
- EP1028853A1 EP1028853A1 EP99944458A EP99944458A EP1028853A1 EP 1028853 A1 EP1028853 A1 EP 1028853A1 EP 99944458 A EP99944458 A EP 99944458A EP 99944458 A EP99944458 A EP 99944458A EP 1028853 A1 EP1028853 A1 EP 1028853A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat
- sensitive recording
- sensitive
- color
- microcapsules
- 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
Links
- 239000003094 microcapsule Substances 0.000 title claims abstract description 25
- 239000000370 acceptor Substances 0.000 claims abstract description 12
- 239000000758 substrate Substances 0.000 claims abstract description 9
- 239000002904 solvent Substances 0.000 claims abstract description 6
- 230000006378 damage Effects 0.000 claims abstract description 3
- 239000000126 substance Substances 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 11
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 150000008049 diazo compounds Chemical class 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
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
- B41M3/142—Security printing using chemical colour-formers or chemical reactions, e.g. leuco-dye/acid, photochromes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
- B41M5/165—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components characterised by the use of microcapsules; Special solvents for incorporating the ingredients
Definitions
- Microcapsules have also been proposed for use in the manufacture of heat sensitive recording sheets.
- the well-known Beat mainly concern the improvement of shelf life and the development of pressure and heat sensitive recording materials, which also enable heat sensitive image transfer.
- the heat-sensitive image transfer recording sheet is placed on a simple sheet of paper and a thermal head is applied to the heat-sensitive recording layer, an image is formed on the heat-sensitive recording layer and the image of the recording is formed on the plain paper by heat transfer.
- a thermal head is applied to the heat-sensitive recording layer
- an image is formed on the heat-sensitive recording layer and the image of the recording is formed on the plain paper by heat transfer.
- an image can also be formed on the simple paper sheet.
- the measure of introducing microcapsules into the heat-sensitive recording layer gives e.g. in the case of an inlet control, the possibility of producing an image in the heat-sensitive recording layer by the action of pressure and in this way checking the authenticity of the paper used. If the microcapsules are e.g. destroyed a metal stamp, the released color formers react with the acceptors of the heat-sensitive recording layer and provide an image corresponding to the stamp impression.
- the color formers should preferably be selected so that there is a color contrast between the image generated by heat in the recording layer and the image formed by the released color formers in the recording layer.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
- Color Printing (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19838893 | 1998-08-27 | ||
DE19838893A DE19838893C2 (de) | 1998-08-27 | 1998-08-27 | Wärmeempfindlicher Aufzeichnungsbogen |
PCT/EP1999/006122 WO2000012321A1 (de) | 1998-08-27 | 1999-08-20 | Wärmeempfindlicher aufzeichnungsbogen mit druckempfindlichen mikrokapseln als sichereitselement |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1028853A1 true EP1028853A1 (de) | 2000-08-23 |
EP1028853B1 EP1028853B1 (de) | 2001-11-21 |
Family
ID=7878843
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99944458A Expired - Lifetime EP1028853B1 (de) | 1998-08-27 | 1999-08-20 | Wärmeempfindlicher aufzeichnungsbogen mit druckempfindlichen mikrokapseln als sicherheitselement |
Country Status (7)
Country | Link |
---|---|
US (1) | US6440898B1 (de) |
EP (1) | EP1028853B1 (de) |
JP (1) | JP2002523268A (de) |
AT (1) | ATE209109T1 (de) |
DE (2) | DE19838893C2 (de) |
ES (1) | ES2165240T3 (de) |
WO (1) | WO2000012321A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10113286A1 (de) | 2001-03-16 | 2002-10-02 | Mitsubishi Hitec Paper Flensbu | Wärmeempfindlicher Aufzeichnungsbogen und seine Verwendung |
FR2827618B1 (fr) * | 2001-07-18 | 2003-10-03 | Banque De France | Procede de securisation de documents |
FR2876714B1 (fr) * | 2004-10-20 | 2008-05-02 | Francois Charles Oberthur Fidu | Procede de securisation de documents de valeur |
DE102008005136A1 (de) * | 2008-01-16 | 2009-07-23 | U-Nica Technology Ag | Dokument sowie Verfahren zur Herstellung eines Dokumentes |
DE102013218754B4 (de) | 2013-09-18 | 2019-05-09 | Bundesdruckerei Gmbh | Manipulationsabgesichertes Wert- oder Sicherheitsprodukt und Verfahren zum Verifizieren der Echtheit des manipulationsabgesicherten Wert- oder Sicherheitsproduktes |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT37053B (de) | 1908-04-24 | 1909-04-26 | Ignatz Dr Palocz | Inhaliervorrichtung. |
JPS60168690A (ja) * | 1984-02-13 | 1985-09-02 | Mitsubishi Paper Mills Ltd | 感圧性を備えた無色の感熱熱転写記録紙 |
FR2566440B1 (fr) * | 1984-06-22 | 1988-07-22 | Jalon Michel | Fibres de securite et autres matieres rendues luminescentes par un procede de teinture, leurs procedes de realisation et leurs applications |
DE3601525A1 (de) | 1985-01-21 | 1986-07-24 | Mitsubishi Paper Mills, Ltd., Tokio/Tokyo | Waermeempfindliches und waermeuebertragbares aufzeichnungsblatt |
JPS62187080A (ja) | 1986-02-13 | 1987-08-15 | Fuji Photo Film Co Ltd | 感熱記録材料 |
JPH0832484B2 (ja) | 1988-11-25 | 1996-03-29 | 富士写真フイルム株式会社 | 多色記録材料 |
US5984363A (en) | 1993-05-03 | 1999-11-16 | The Standard Register Company | Business record having a thermally imagable surface |
US5395138A (en) | 1993-06-14 | 1995-03-07 | Wallace Computer Services, Inc. | Security document verification system with pressure-rupturable microcapsules |
US5401060A (en) | 1993-06-14 | 1995-03-28 | Wallace Computer Services, Inc. | Document with heat and pressure sensitive chromogentic composition thereon |
DE19501289A1 (de) * | 1995-01-18 | 1996-07-25 | Feldmuehle Ag Stora | Wärmeempfindliches Aufzeichnungsmaterial und seine Verwendung |
JP3614931B2 (ja) * | 1995-05-10 | 2005-01-26 | 三菱製紙株式会社 | 記録シートおよび偽造検知方法 |
-
1998
- 1998-08-27 DE DE19838893A patent/DE19838893C2/de not_active Expired - Fee Related
-
1999
- 1999-08-20 US US09/530,297 patent/US6440898B1/en not_active Expired - Lifetime
- 1999-08-20 WO PCT/EP1999/006122 patent/WO2000012321A1/de active IP Right Grant
- 1999-08-20 EP EP99944458A patent/EP1028853B1/de not_active Expired - Lifetime
- 1999-08-20 AT AT99944458T patent/ATE209109T1/de not_active IP Right Cessation
- 1999-08-20 DE DE59900676T patent/DE59900676D1/de not_active Expired - Lifetime
- 1999-08-20 JP JP2000567396A patent/JP2002523268A/ja active Pending
- 1999-08-20 ES ES99944458T patent/ES2165240T3/es not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO0012321A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE19838893A1 (de) | 2000-03-09 |
JP2002523268A (ja) | 2002-07-30 |
EP1028853B1 (de) | 2001-11-21 |
DE59900676D1 (de) | 2002-02-21 |
DE19838893C2 (de) | 2000-09-28 |
ES2165240T3 (es) | 2002-03-01 |
US6440898B1 (en) | 2002-08-27 |
ATE209109T1 (de) | 2001-12-15 |
WO2000012321A1 (de) | 2000-03-09 |
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