EP3390064B1 - Sicherheitselement mit verborgener information - Google Patents

Sicherheitselement mit verborgener information Download PDF

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Publication number
EP3390064B1
EP3390064B1 EP16810423.0A EP16810423A EP3390064B1 EP 3390064 B1 EP3390064 B1 EP 3390064B1 EP 16810423 A EP16810423 A EP 16810423A EP 3390064 B1 EP3390064 B1 EP 3390064B1
Authority
EP
European Patent Office
Prior art keywords
security element
prints
print
wavelengths
element according
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.)
Active
Application number
EP16810423.0A
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English (en)
French (fr)
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EP3390064A1 (de
Inventor
Guillaume CHAPEAU
Xavier Borde
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.)
Oberthur Fiduciaire SAS
Original Assignee
Oberthur Fiduciaire SAS
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 Oberthur Fiduciaire SAS filed Critical Oberthur Fiduciaire SAS
Priority to PL16810423T priority Critical patent/PL3390064T3/pl
Publication of EP3390064A1 publication Critical patent/EP3390064A1/de
Application granted granted Critical
Publication of EP3390064B1 publication Critical patent/EP3390064B1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/29—Securities; Bank notes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/378—Special inks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/378—Special inks
    • B42D25/382—Special inks absorbing or reflecting infrared light
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/378—Special inks
    • B42D25/387—Special inks absorbing or reflecting ultraviolet light
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/06—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using wave or particle radiation
    • G07D7/12—Visible light, infrared or ultraviolet radiation
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/06—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using wave or particle radiation
    • G07D7/12—Visible light, infrared or ultraviolet radiation
    • G07D7/1205—Testing spectral properties
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/06—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using wave or particle radiation
    • G07D7/12—Visible light, infrared or ultraviolet radiation
    • G07D7/128—Viewing devices

Definitions

  • the present invention relates to a security element. It also concerns a document-value that includes at least one such element.
  • the present invention applies more particularly to a security element for a document-value such as, for example, a fiduciary document or similar.
  • fiduciary document means all documents such as banknotes, checks, bank cards or other media used to transmit a sum of money.
  • Similar document is understood to mean all documents issued by a State administration to prove the identity of a person, or of his rights to drive a vehicle, such as an identity card. , a passport or a driver's license.
  • This expression also refers to any type of document used to authenticate an object of value, such as, for example, a label to put on a garment.
  • a label to put on a garment We also hear any document used to authenticate the payment of a tax, such as tax stamps.
  • the present invention relates to a so-called second level security element, that is to say whose authentication requires a tool, for example an ultraviolet lamp, namely a commonly used tool and whose use is generally understood by the general public.
  • a tool for example an ultraviolet lamp, namely a commonly used tool and whose use is generally understood by the general public.
  • EP1567358 which describes a security device comprising at least two material-containing regions in which the two or more regions have substantially the same visible color in first observation conditions comprising visible light and different colors visible under second observation conditions which are a combination of visible light and substantially any UV wavelength light in the range of 235 to 380 nm.
  • the pattern is invisible normally but becomes visible on both sides if it is illuminated with UV from the side of the window. It remains invisible when illuminated on the side of the UV blocking layer.
  • WO 2014 177375 it is a security element composed of at least three layers each comprising a different material, the first, second and third materials of which are capable of interacting with a first, second and third electromagnetic radiation, the all composing an animated pattern by sequential illumination capable of emitting precisely separately in each of the individual radiations exciting one of the particular materials.
  • UV reactive inks are also more conventionally known which, under the action of a lamp with wavelengths less than 400 nm, emit a luminescent signal in the visible range (400-780 nm). These inks are a common example of second-level security.
  • Some pigments or ink dyes are also known to absorb at specific wavelengths. They require a lamp emitting on the chosen wavelength.
  • the pigments or the luminescent dyes of these inks have the main defect of absorbing ultraviolet radiation over broad spectra with higher or lower intensities.
  • ultraviolet lamps composed of fluorescent tubes emit on broadband spectra. This facilitates the work of counterfeiters who, with standard ultraviolet lamps, can visualize areas designed for second-level fluorescence color authentication. They can therefore falsify documents using commercial type inks as mentioned above.
  • luminescent materials whose absorption peak is targeted to a narrower band, as well as ultraviolet illuminants composed of LEDs (Light Emitting Device), which emit only on a spectral band tightened around a length accurate waveforms and also offer increased technical possibilities compared to vacuum tubes usually called neon, in terms of power consumption, ignition / extinction cycles etc.
  • LEDs Light Emitting Device
  • This feature allows to limit the action of counterfeiters, because it requires specific equipment.
  • this equipment remains affordable, thanks in particular to the rise of LEDs which also combine the advantage of a small footprint, allowing the manufacture of miniaturized devices.
  • anti-stokes luminescence materials which, under the action of a laser calibrated at the defined wavelength, emit in the visible.
  • wavelength is meant a wavelength greater than 780 nm, and more particularly a wavelength at 980 nm.
  • Such a security element is by nature difficult to achieve, and requires specific equipment to identify it.
  • the present invention provides a security element which comprises a support on which is present at least one print.
  • This element includes a first impression invisible to visible light, but revealed under a first range of wavelengths outside the spectrum of visible light, and a second impression invisible to visible light, but revealed in a second range of wavelengths outside the spectrum of visible light. Said first and second impressions extend into partially overlapping regions, thus constituting at least one overlap area.
  • This element includes hidden information which is constituted by said at least one a cover area, hidden information which is revealed under stroboscopic lighting alternating illumination under two ranges of wavelengths which respectively correspond to said first and second ranges of wavelengths.
  • these prints are made using of inks, for example made in the line, with guilloches, in the form of a numismatic background, etc.
  • the prints are made using means such as inks that are invisible to visible light and to the naked eye, but revealed in ranges of wavelength. outside the spectrum of visible light.
  • these prints are made with an ink reacting for example at a wavelength in the ultraviolet range or else using an ink reacting at a wavelength in the infrared range.
  • the two prints emit in the visible with a defined hue (identical according to the two prints or different) when exposed to the precise absorption wavelength defined by the luminescent material itself.
  • the range of wavelengths used will be less than 400 nm, and in particular with absorption peaks centered around 365 nm, 312 nm and 254 nm.
  • one is in a wavelength range greater than 780 nm and in particular with an absorption peak centered at 980 nm.
  • impression referenced 2 On the front face 10 of this note is present an impression referenced 2 and has two zones referenced A and B.
  • the printing 2 has the shape of a square which continues with a point on one of its sides.
  • Zone A has a diamond-shaped outline, while Zone B is the remaining portion.
  • zone A' is in register with the zone A of the first printing 2, so that overlap completely, and has the same shape and dimensions as zone A.
  • zone C is located on the right side of zone A ', and is opposite zone B. Zone C could have, in a variant not described, a different shape and not symmetrical with that of zone B.
  • the first impression 2 is made using a material invisible to visible light but revealed in a first wavelength range ⁇ 1 outside the spectrum of visible light.
  • the second impression 3 it is produced by means of a second ink invisible to visible light and revealed under a second wavelength range outside the spectrum of visible light, this second wavelength range ⁇ 2 being different and outside the first range of wavelengths.
  • hidden information means information that is not readily discernible but under specific observation conditions, which information is recognized as such by the observer. for example, because it intrinsically makes sense to him.
  • the second printing is performed, not on the same front face 10 but on the reverse side 11, so that the areas A and A 'are in register.
  • Figures 9 and 10 are shown three different embodiments of impressions 2 and 3, each being in the form of a parallel line of lines, but with lines of the printing 2, oriented at 90 ° to those of the printing 3 .
  • this hidden information IC is constituted respectively by the acronym of the pound sterling, the sign of the dollar, and the number 5.
  • each impression can all be made on the same face of the security element.
  • one or two of them may be affixed to a second face of the security element.
  • each impression is made using a material whose revelation wavelength is different from the other two.
  • an impression for two of these layers is revealed with light of the same wavelength. This is also the case for two layers only if these two layers are on opposite sides.
  • each of the prints 2 and 3 is strictly identical and each print has a perfect overlap area A and A 'constituting the area 4.
  • the density of lines or points of this print is defined in such a way that the density of A, namely dA, is equal to the density of B, namely, dB.
  • the density of lines or points of this layer 3 is defined in such a way that this density relative to the area A '(ie dA ') is equal to the density of the area C (ie dC).
  • an impression 2 applied to the front face 10 which is formed of a set of distinct points.
  • the impression 2 is seen in section at the figure 25 .
  • the hidden information IC is materialized by a dashed outline for clarity on the figure but is indistinguishable in reality.
  • the Figures 27 and 28 show a second print 3 also consisting of dots distinct from each other printed so that there is an overlap of some of these points with those of the printing 2.
  • the printing 3 can be performed either on the front side 10 on the reverse side 11.
  • the hidden information IC is materialized by a dashed outline for clarity on the figure but is indistinguishable in reality.
  • Figures 33 and 34 are shown other forms of printing 2 and 3 that are observed to simulate a stereoscopic binocular vision of a subject S in a scene D, as would an observer in real life.
  • the subject S is in the center and represents a seated person, drawn with an outline.
  • the decor D or background, also drawn line, is made up of steps at the bottom and parts of walls at the top.
  • the two images related to the decor are viewed from slightly different angles.
  • the hidden information IC is the relief of the central subject generated by the interpretation of the brain of an observer of the images observed thanks to the stroboscopic effect when the frequency of alternation of the illuminations makes it possible to erase any relative movement of the images. images between them and thus generate the stereoscopic effect.
  • dA is the density of the central subject of the printing 2 under the wavelength ⁇ 1 and dA that of the subject of the printing 3 under the wavelength ⁇ 2
  • the sum of the density dB of the decoration of the printing 2 under the wavelength ⁇ 1 with the density dC of the same decoration of the printing 3 under the wavelength ⁇ 2 is greater than dB and dC considered in isolation.
  • FIG. 35 and 36 is shown by way of example a device 5 which reveals the hidden information IC within a security element as described above.
  • this device here has the form of a housing 5 with a lower portion 50 and an upper portion 51, which has a 52 observation window through.
  • the lower part and the upper part are separated by an opening or slot 53 formed at least partially in the casing 5 and in which a flat document-value can be placed on which the security element to be revealed can be placed to submit it to authentication according to the invention.
  • the housing 5 encloses light sources of wavelengths ⁇ 1 and ⁇ 2 or more if necessary. These light sources are referenced 6 and 7.
  • These light sources are arranged and connected to an electronic card, itself provided with an on / off button 80, with a battery, for example of the Li-ion type, provided with a USB port 82.
  • a battery for example of the Li-ion type, provided with a USB port 82.
  • other power modes can be considered as the sector or a standard non-rechargeable battery, etc.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Printing Methods (AREA)
  • Credit Cards Or The Like (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)

Claims (10)

  1. Sicherheitselement, das einen Träger (1) umfasst, auf dem mindestens ein Druck (2; 2'; 2"; 3) vorhanden ist, der einen bei sichtbarem Licht unsichtbaren, aber in einem ersten Wellenlängenbereich (λ1) außerhalb des Spektrums des sichtbaren Lichts offengelegten ersten Druck (2) sowie einen bei sichtbarem Licht unsichtbaren, aber in einem zweiten Wellenlängenbereich (λ2) außerhalb des Spektrums des sichtbaren Lichts offengelegten zweiten Druck (3) umfasst, wobei sich der erste und zweite Druck (2, 3) in Regionen erstrecken, die sich teilweise überlappen, derart mindestens eine Überlappungszone (4) bildend,
    dadurch gekennzeichnet, dass es eine verborgene Information (IC) aufweist, die von der mindestens einen Überlappungszone (4) gebildet ist, wobei die verborgene Information (IC) unter einer stroboskopischen Beleuchtung, bei der die Beleuchtungen mit zwei Wellenlängenbereichen alternieren, die jeweils dem ersten und zweiten Wellenlängenbereich (λ1 und λ2) entsprechen, offenlegbar ist.
  2. Sicherheitselement nach Anspruch 1, dadurch gekennzeichnet, dass der zweite Wellenlängenbereich (λ2) unterschiedlich und außerhalb des ersten Wellenlängenbereichs (λ1) ist.
  3. Sicherheitselement nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass es mindestens einen bei sichtbarem Licht unsichtbaren, aber in einem Wellenlängenbereich außerhalb des Spektrums des sichtbaren Lichts offenbarten anderen Druck (2', 2") aufweist, wobei dieser Wellenlängenbereich unterschiedlich und außerhalb der anderen Wellenlängenbereiche (λ1 und λ2) ist, dass dieser mindestens eine andere Druck (2', 2") gemeinsam mit den anderen Drucken (2, 3) mindestens eine gegenseitige Überlappungszone (4) aufweist, und dass die mindestens eine gegenseitige Überlappungszone (4) mindestens eine verborgene Information (IC) bildet, die unter einer stroboskopischen Beleuchtung, bei der die Beleuchtungen mit Wellenlängenbereichen alternieren, die jeweils dem ersten, zweiten und anderen Wellenlängenbereich entsprechen, offenlegbar ist.
  4. Sicherheitselement nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die verborgene Information (IC) ein Bild, eine Ziffer oder eine Zahl, ein Text, ein Code, ein Reliefdruck ist, erzeugt durch das Gehirn eines Beobachters, oder eine Kombination derselben.
  5. Sicherheitselement nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass alle Drucke (2, 3; 2', 2") auf derselben Seite (10; 11) des Träger (1) vorhanden sind.
  6. Sicherheitselement nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass mindestens einer der Drucke (2; 3; 2'; 2") auf einer Seite (10) des Trägers (1) vorhanden ist, wogegen mindestens ein zweiter Druck (2; 3; 2'; 2") auf der gegenüberliegenden Seite (11) vorhanden ist.
  7. Sicherheitselement nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der erste und/oder der zweite Druck (2; 3; 2'; 2") kontinuierlich ist/sind, das heißt, eine Fläche bilden.
  8. Sicherheitselement nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der erste und/oder der zweite Druck (2; 3; 2'; 2") diskontinuierlich ist/sind, das heißt, dass er/sie von mindestens zwei unterschiedlichen und getrennten Regionen gebildet sind, die gemeinsam einen Frame bilden.
  9. Sicherheitselement nach Anspruch 8, wobei die zwei Drucke (2, 3) diskontinuierlich sind und von mehreren unterschiedlichen und getrennten Regionen gebildet sind, dadurch gekennzeichnet, dass unter stroboskopischer Beleuchtung die Abdeckungsdichte des Trägers (1) durch die Drucke (2, 3) in der mindestens einen Überlappungszone (4) spürbar geringer ist, im Idealfall die Hälfte der Abdeckungsdichte des Trägers durch die Drucke außerhalb der Überlappungszone (4) beträgt.
  10. Sicherheitselement nach Anspruch 8, wobei die zwei Drucke (2, 3) diskontinuierlich sind und von mehreren unterschiedlichen und getrennten Regionen gebildet sind, dadurch gekennzeichnet, dass unter stroboskopischer Beleuchtung die Abdeckungsdichte des Trägers (1) durch die Drucke (2, 3) in der mindestens einen Überlappungszone (4) spürbar höher ist, im Idealfall das Doppelte der Abdeckungsdichte des Trägers durch die Drucke außerhalb der Überlappungszone (4) beträgt.
EP16810423.0A 2015-12-18 2016-12-19 Sicherheitselement mit verborgener information Active EP3390064B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL16810423T PL3390064T3 (pl) 2015-12-18 2016-12-19 Element zabezpieczający zawierający informację ukrytą

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1562826A FR3045907B1 (fr) 2015-12-18 2015-12-18 Element de securite qui comporte une information cachee, document-valeur qui le comporte et dispositif de verification de cette information cachee
PCT/EP2016/081694 WO2017103252A1 (fr) 2015-12-18 2016-12-19 Element de securite qui comporte une information cachee et document-valeur qui le comporte

Publications (2)

Publication Number Publication Date
EP3390064A1 EP3390064A1 (de) 2018-10-24
EP3390064B1 true EP3390064B1 (de) 2019-07-31

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Application Number Title Priority Date Filing Date
EP16810423.0A Active EP3390064B1 (de) 2015-12-18 2016-12-19 Sicherheitselement mit verborgener information

Country Status (11)

Country Link
EP (1) EP3390064B1 (de)
KR (1) KR102637134B1 (de)
CN (1) CN108883651B (de)
AU (1) AU2016369458B2 (de)
CA (1) CA3008740A1 (de)
ES (1) ES2753152T3 (de)
FR (1) FR3045907B1 (de)
PL (1) PL3390064T3 (de)
RU (1) RU2700008C1 (de)
WO (1) WO2017103252A1 (de)
ZA (1) ZA201803981B (de)

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Also Published As

Publication number Publication date
KR20180113994A (ko) 2018-10-17
AU2016369458B2 (en) 2021-01-14
EP3390064A1 (de) 2018-10-24
FR3045907A1 (fr) 2017-06-23
AU2016369458A1 (en) 2018-07-12
ES2753152T3 (es) 2020-04-07
CN108883651A (zh) 2018-11-23
ZA201803981B (en) 2019-04-24
RU2700008C1 (ru) 2019-09-12
WO2017103252A1 (fr) 2017-06-22
CN108883651B (zh) 2020-08-07
KR102637134B1 (ko) 2024-02-16
FR3045907B1 (fr) 2019-11-22
CA3008740A1 (fr) 2017-06-22
PL3390064T3 (pl) 2020-03-31

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