CN202258324U - Magneto-optic image and text recording magnetic plate - Google Patents

Magneto-optic image and text recording magnetic plate Download PDF

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Publication number
CN202258324U
CN202258324U CN2011203419610U CN201120341961U CN202258324U CN 202258324 U CN202258324 U CN 202258324U CN 2011203419610 U CN2011203419610 U CN 2011203419610U CN 201120341961 U CN201120341961 U CN 201120341961U CN 202258324 U CN202258324 U CN 202258324U
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CN
China
Prior art keywords
magneto
optic
thin film
magnetic
image
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Expired - Lifetime
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CN2011203419610U
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Chinese (zh)
Inventor
杨凤云
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Zhuhai Letong New Material Science & Technology Co., Ltd.
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ZHUHAI QUNWANG TECHNOLOGY Co Ltd
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Abstract

The utility model provides a magneto-optic image and text recording magnetic plate, comprising at least one substrate provided with two oppositely-arranged main surfaces; at least one magneto-optic film layer located on one main surface of the substrate; and at least one protective layer arranged on the outer surface of the magneto-optic film; wherein an area provided with the magneto-optic film comprises an initial magnetized area and an image and text recording area undergone magnetic-optic effect. The utility model also provides a method and an apparatus for preparing the magneto-optic image and text recording magnetic plate. The magneto-optic image and text recording magnetic plate records image and text in the form of magnetic field by using magneto-optic technology; and when a base material with a magnetic printing ink wet coating printed thereon passes through or approaches to the image and text recording area of the magneto-optic image and text recording magnetic plate, the image and text are transferred into the magnetic printing ink coating to form a dynamic and uniform three-dimensional optical appearance image uniform under the action of magnetic field.

Description

A kind of magneto-optic graphic record magnetic sheet
Technical field
The utility model relates to the application of the magnetic behavior displaying of magnetic ink or pigment (particularly magnetic photochromatic printing ink or pigment), and particularly, the utility model relates to a kind of magnetic graphic record magnetic sheet that utilizes the preparation of magneto-optic technology.
Background technology
Optical disclour printing ink or pigment are called for short photochromatic printing ink or pigment (OVI or OVP); Has down flop property; Promptly when two these products of different viewed, can present two kinds of various colors, like the green look that reddens; Be an a kind of good line anti-counterfeiting technology product, it is false proof to be widely used in banknote, securities, tobacco bale, wine target.Go through nearly 30 years development; Market proposes higher technical need to the performance of this technical products, and under this background, the technician in this field is under the condition of the down flop property that keeps optically variable pigments or printing ink; Introduce magnetic; Magnetic and down flop property are organically combined, prepare magnetic optically variable pigments or printing ink (MOVP or MOVI), like US4838648, Chinese patent 02800567.8 described magnetic optically variable pigments.
Though magnetic optically variable pigments or printing ink combine magnetic and down flop property; Is but thing followed problem the magnetic properties of how to show the magnetic optically variable pigments? In brief; How to use? Around this problem; The magnetic optically variable pigments use to divide a both direction: the one, directly duplicate the technique for applying of optically variable pigments or printing ink; The product of preparation is except that a line anti-counterfeiting performance that keeps changeable colors along with angle like this, also can detect magnetic number with the magnetic detecting instrument, makes product have the two wires security feature simultaneously; The another one application direction is a characteristic of utilizing magnetic particle under the action of a magnetic field, can align; Before magnetic photochromatic printing ink print product solidifies; Apply a specific external magnetic field; The magnetic optically variable pigments is aligned, and the product that obtains like this is except that two kinds of performances with first application direction, and can also obtain can be dynamically, the 3 D stereo pattern.
Consider that from the market demand and using value second application direction of above-mentioned magnetic optically variable pigments or printing ink becomes main developing direction undoubtedly.Wanting has outstanding achievement in this direction, crucial before magnetic photochromatic printing ink printed matter solidifies control through the homogeneity of direction, size and the field intensity in magnetic field.The researchist in this field is very clear, and this several aspects control is bad, and the pattern that obtains is easy to variety of issues such as appearance is turned black, pattern color is inconsistent; This mainly is that magnetic field control is bad, causes some places magnetic field intensity intensity excessive, and magnetic optically variable pigments sheet " erects " under the action of a magnetic field and ink adhesive acting in conjunction; The lateral plate of pigment flakes is presented on the observer at the moment, or local magnetic field strength is excessive, magnetic optically variable pigments sheet is under the effect of magnetic force; Local gather density is big, and only there is considerably less pigment flakes in some place in addition, causes irregular colour even; Here dark, where bright.Therefore, expect satisfied can be dynamically, the 3 D stereo pattern, the magnetic field control of pattern is extremely important.
The utility model content
The purpose of the utility model is; A kind of magneto-optic graphic record magnetic sheet is provided; The base material that is printed with the wet coating of magnetic ink through or during near the graphic record zone of this magneto-optic graphic record magnetic sheet; The magnetooptic recording picture and text will be transferred in the magnetic ink coating, and formation can be dynamically, 3 D stereo optical appearance pattern.
The purpose of the utility model and to solve its technical matters be that technical scheme below adopting realizes.
A kind of magneto-optic graphic record magnetic sheet, it comprises:
At least one substrate, this substrate have two first type surfaces that are oppositely arranged;
At least one deck magneto-optic thin film is positioned on the first type surface of substrate;
At least layer protective layer is arranged on the outside surface of magneto-optic thin film;
Wherein, the zone that is provided with magneto-optic thin film comprises initial magnetization zone and regional through the graphic record of laser and the action of a magnetic field.
Said magneto-optic thin film thickness is between 0.01 micron to 1000 microns.
Preferably, the thickness of said magneto-optic thin film is between 0.1 micron to 10 microns.
Said substrate is a rigidity or flexible.
The DOM of the magneto-optic thin film in said graphic record zone is: with respect to the angle of the outside surface of this regional magneto-optic thin film be 0 degree to 90 degree, preferred 30 degree are to 60 degree.
Described graphic record zone comprises a plurality of film micro areas, the direction that the magneto-optic thin film of these a plurality of film micro areas is magnetized is identical with respect to the angle of the outside surface of magneto-optic thin film, have nothing in common with each other or the part same section inequality.
Compared with prior art, the utility model possesses following advantage:
It is to utilize the magneto-optic technology that picture and text are noted with the form in magnetic field that the utility model discloses magneto-optic graphic record magnetic sheet; When the base material that is printed with the wet coating of magnetic ink through or during near the graphic record zone of this magneto-optic graphic record magnetic sheet; Picture and text transfer under the effect in magnetic field in the magnetic ink coating, and formation can be dynamically, the 3 D stereo optical appearance pattern of uniformity.Because the utility model is to utilize magneto-optic technology preparation graphic record magnetic sheet; In whole graphic record process; Graphic record is to come record by magnetic deflection field, promptly controlled by magnetic deflection field, and the magnetic deflection field direction can be regulated arbitrarily; Even the record picture and text of preparation are the same apparent like this; But because magnetic direction, size in each tiny area of record picture and text can be different, the pattern that is transferred in the magnetic ink printing article is also different, has improved the technical difficulty of preparation counterfeit product greatly.Simultaneously; In the whole recording process of magnetic deflection field; Because the magnetic deflection field direction can be regulated arbitrarily; Can be through the suitable deflection angle of control, make in the magnetic photochromatic printing ink the magnetic optically variable pigments with have rule, directed more uniformly, thoroughly solve the magnetic photochromatic printing ink and occur in application process that blackout, pattern color are inhomogeneous, fuzzy to reach prior art defectives such as stereoscopic sensation is not strong.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the preparation facilities synoptic diagram of the magneto-optic graphic record magnetic sheet of the utility model embodiment;
Fig. 3 is the magneto-optic graphic record magnetic sheet picture and text microcell magnetooptic recording synoptic diagram of the utility model embodiment.
Embodiment
Shown in Fig. 1 was extremely shown in Figure 3, a kind of magneto-optic graphic record magnetic sheet comprised: a rigidity or flexible substrate 10, and this substrate 10 has two first type surfaces that are oppositely arranged; At least one deck magneto-optic thin film 20, and it is positioned on the first type surface of substrate 10; At least layer protective layer 30, are arranged on the outside surface of magneto-optic thin film 20; Wherein, the zone that is provided with magneto-optic thin film 20 comprises initial magnetization zone 21 and through the graphic record regional 22 of magnetic field and laser action.The DOM that said initial magnetization zone 21 also is shown among Fig. 1 is the direction perpendicular to the first type surface of substrate 10; The DOM 40 in graphic record zone 22 is what change; Graphic record zone 22 is made up of a plurality of film micro areas, and the DOM 40 of these film micro areas is different.The DOM of the magneto-optic thin film in this graphic record zone 22 is: with respect to the angle of the outside surface of this regional magneto-optic thin film be 0 degree to 90 degree, preferred 30 degree are to 60 degree.
The thickness of said magneto-optic thin film 20 between 0.01 micron to 1000 microns, preferred 0.1 micron to 10 microns.
The DOM of a plurality of film micro areas in described graphic record zone 22 also can be identical, and also can part identical, part be inequality.The DOM of the film micro area in all graphic record zone 22 all need satisfy: with respect to the angle of the outside surface of this regional magneto-optic thin film be 0 degree to 90 degree, preferred 30 degree are to 60 degree.
The device of the magneto-optic graphic record magnetic sheet of preparation present embodiment comprises that one puts on the mechanism 1 of magnetizing that is used for initial magnetization on the magneto-optic thin film 20, the laser system 2 that is used for bright erosion magneto-optic thin film 20, the workbench (not shown) that can change the magnetic deflection field 3 of angle in the space arbitrarily and be used to place magneto-optic graphic record magnetic sheet.
The principle of the utility model is: magneto-optic thin film 20 is through behind the initial magnetization; With the bright erosion of the laser of certain intensity; The tiny area of the magneto-optic thin film 20 of the bright erosion of process laser is under the effect of laser high-energy, and temperature raises, according to the character of magneto-optic thin film--and near the magneto-optic thin film tiny area magnetic disappearance Curie point; At this moment apply magnetic deflection field 3; Make this tiny area regain the magnetic field of design direction, new magnetic field image-text area of the final formation of this each tiny area is realized Curie point recording mode record picture and text; Near some magneto-optic thin films 20 coercive force compensation temperature is bigger, if temperature departure ± 10 ℃, the coercive force of magneto-optic thin film 20 can sharply descend so; Be easy to be magnetized this moment; Utilize this character, the tiny area of the magneto-optic thin film 20 of the bright erosion of process laser applies magnetic deflection field 3 along the bright route that loses of laser behind process laser high-energy; Tiny area through the bright erosion of laser can obtain new magnetic field image-text area equally, realizes compensation point recording mode record picture and text; Can also can reduce to realize pyromagnetic coercive force recording mode record picture and text equally according to the coercive force of some magneto-optic thin films with the rising of temperature.
Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to the protection domain of the utility model.Therefore, the protection domain of the utility model patent should be as the criterion with accompanying claims.

Claims (7)

1. magneto-optic graphic record magnetic sheet, it is characterized in that: it comprises:
At least one substrate, this substrate have two first type surfaces that are oppositely arranged;
At least one deck magneto-optic thin film is positioned on the first type surface of substrate;
At least layer protective layer is arranged on the outside surface of magneto-optic thin film;
Wherein, the zone that is provided with magneto-optic thin film comprises initial magnetization zone and regional through the graphic record of laser and the action of a magnetic field.
2. magneto-optic graphic record magnetic sheet according to claim 1 is characterized in that: said magneto-optic thin film thickness is between 0.01 micron to 1000 microns.
3. magneto-optic graphic record magnetic sheet according to claim 2 is characterized in that: the thickness of said magneto-optic thin film is between 0.1 micron to 10 microns.
4. magneto-optic graphic record magnetic sheet according to claim 1 is characterized in that: said substrate is a rigidity or flexible.
5. magneto-optic graphic record magnetic sheet according to claim 1 is characterized in that: the DOM of the magneto-optic thin film in said graphic record zone is: the angle with respect to the outside surface of this regional magneto-optic thin film is that 0 degree is to 90 degree.
6. magneto-optic graphic record magnetic sheet according to claim 5 is characterized in that: the DOM of the magneto-optic thin film in said graphic record zone is: the angle with respect to the outside surface of this regional magneto-optic thin film is that 30 degree are to 60 degree.
7. according to claim 5 or 6 described magneto-optic graphic record magnetic sheets; It is characterized in that: described graphic record zone comprises a plurality of film micro areas, the DOM of the magneto-optic thin film of these a plurality of film micro areas is identical with respect to the angle of the outside surface of magneto-optic thin film, have nothing in common with each other or the part same section inequality.
CN2011203419610U 2011-09-13 2011-09-13 Magneto-optic image and text recording magnetic plate Expired - Lifetime CN202258324U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011203419610U CN202258324U (en) 2011-09-13 2011-09-13 Magneto-optic image and text recording magnetic plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011203419610U CN202258324U (en) 2011-09-13 2011-09-13 Magneto-optic image and text recording magnetic plate

Publications (1)

Publication Number Publication Date
CN202258324U true CN202258324U (en) 2012-05-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011203419610U Expired - Lifetime CN202258324U (en) 2011-09-13 2011-09-13 Magneto-optic image and text recording magnetic plate

Country Status (1)

Country Link
CN (1) CN202258324U (en)

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20171220

Address after: 519000 No. 3199, South Avenue, Mount Everest, Zhuhai Town, Doumen District, Guangdong, China

Patentee after: Zhuhai Letong New Material Science & Technology Co., Ltd.

Address before: Room 303, 3 building, No. 2 R & D building of Tang Jia Wan Town, Tang Jia Wan Town, Guangdong high tech Zone, Guangdong

Patentee before: Zhuhai Qunwang Technology Co., Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20120530