JPH0774014A - Amorphous metal thin film laminate body - Google Patents

Abstract

PURPOSE:To facilitate bending and suppress breaking by laminating a plurality of amorphous metal thin films without adhesion, packing the film between two pieces of flexible resin pack sheets which face each other and connecting the sheets at the brim edges. CONSTITUTION:A plurality of amorphous metal thin film ribbons are arranged in parallel, and the side edges are soldered to form a thin film. Then, the amorphous metal thin films are laminated without adhesion. Two polyvinyl chloride resin films are adhered by a calendar on the both planes of the amorphous metal thin film laminate. The parts protruding from the both edges of the amorphous metal thin film laminate are adhered and the amorphous metal thin film laminate is packed and sealed between the two films.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an amorphous metal thin film laminate. More specifically,
The present invention relates to a laminated body including a plurality of laminated amorphous metal thin films and a flexible resin pack sheet that packs the amorphous metal thin films. This laminate has an excellent shielding effect against electromagnetic waves.

[0002]

2. Description of the Related Art In recent years, with the development and popularization of electronic devices, these devices, magnetic recording media, etc.
It is necessary to protect against the adverse effects of static electricity and electromagnetic waves, and as this protective material, sheet materials such as covering sheet materials and packaging sheet materials are in great demand.

In order to protect electronic equipment from the influence of static electricity, a conductive sheet containing a conductive material containing carbon powder, carbon fiber, metal foil or metal powder has been used. However, such a conventional conductive sheet cannot be said to be sufficiently effective for the purpose of protecting electronic equipment from the influence of electromagnetic waves. For example, in an MRI (Nuclear Magnetic Resonance Diagnostic Device) or the like, it is easily damaged by external electromagnetic waves, and therefore the MRI is shielded by an iron plate having a thickness of 2 cm. If such a thick shield material is used, the weight of the device becomes extremely large, and the manufacturing and processing thereof are difficult. Further, the most serious drawback of the iron plate shield is that the iron plate itself is easily magnetized.

The use of amorphous metal has been attempted in order to overcome the above-mentioned drawbacks of conventional electromagnetic wave shielding materials. Amorphous metal has an excellent shield effect against electromagnetic waves, and has an advantage that when the load is removed, it immediately returns to its original state and is not magnetized.

However, the amorphous metal has the following problems with respect to the conventional electromagnetic wave shielding material (for example, iron plate). (A) Generally, the thickness of the amorphous metal material is 100 μm.
m or less (most commercially available amorphous metal thin films are 50 μm
It is limited to have the following thickness), and it is difficult to obtain an amorphous metal material having a thickness greater than this.

(B) Generally, the amorphous metal material is 1
It is supplied with a width of 00 mm or less (most commonly 20 mm or less), and it is difficult to obtain one having a width wider than this. (C) Therefore, a wide width and a considerable thickness, for example, 1
It is difficult to obtain an amorphous metal material having a thickness greater than 00 μm. (D) When amorphous metal materials are laminated and adhered to each other, this laminated adhesive body is difficult to bend and easily broken.

[0007]

SUMMARY OF THE INVENTION The present invention is intended to provide an amorphous metal thin film laminated body which is easily bent and is not easily broken by using an amorphous metal thin film ribbon.

[0008]

In the amorphous metal thin film laminate of the present invention, a plurality of amorphous metal thin films are laminated without adhering to each other, and the two laminated flexible resin packs are opposed to each other. It is characterized in that the two flexible resin pack sheets, which are packed between the sheets, are continuous with each other at their edge portions.

[0009]

[Function] Recently, based on the characteristics of amorphous metal,
Attempts have been made to use it in various applications. Amorphous metal thin films are generally supplied as ribbon-shaped materials with a width of 2.54 to 10.16 cm, and it is expected that small width sheets with a width of 20.32 cm will be supplied in the near future for expanding the width. It has been done. The supplied amorphous metal thin film is generally 5 to 50 μm.
Some have a thickness of m and very rarely have a thickness of about 100 μm.

Conventionally, the ribbon-shaped or small (narrow) width material as described above can be used only as a card case or as a packaging material for small articles, which is 100 to 300.
It was thought that it would be almost impossible to use it for a covering sheet that requires a wide width of cm.

In the layered product of the present invention, the amorphous metal thin film has a supply width within the range, or if necessary,
It is used by bonding it to a desired width.

The above-mentioned effect of protecting the electronic equipment means the effect of absorbing or reflecting the electromagnetic wave energy by the electromagnetic wave shield means so that the electronic equipment is not affected by the electromagnetic wave energy. The degree of electromagnetic wave energy attenuation by the electromagnetic wave shield means is expressed in a unit decibel (dB), and as the electromagnetic wave shield material has a larger value, the attenuation effect is larger, which is preferable.

In the laminate of the present invention, its electromagnetic wave shielding effect depends substantially on the shielding effect of the metal thin film contained therein, and is generally preferably 30 dB or more, more preferably 60 dB or more, It is even more preferably 90 dB or more.

The amorphous metal thin film useful in the present invention generally contains iron as a main component, boron,
It is preferably selected from amorphous alloys obtained by adding one or more selected from silicon, carbon, nickel, cobalt, molybdenum and the like. For example, the product name of MEGLAS No. 2605SC (Fe:
81%, B: 13.5%, Si: 3.5%, C: 2% amorphous alloy), No. 2605S-2 (Fe: 78
%, B: 13%, Si: 9% amorphous alloy), N
o.2605-Co (Fe: 87 parts, B: 14 parts, Si:
1 part, Co: 18 parts amorphous alloy), No. 282
6-MB (Fe: 40%, Ni: 38%, Mo: 4%,
B: 18% amorphous alloy) or the like can be used.

In addition to the above-mentioned alloys containing iron as a main component,
Alloy system containing cobalt as a main component (for example, Co₉₀Zr
_Ten, Co₇₈Si_TenB₁₂, Co₅₆Cr₂₆C₁₈, Co₄₄Mo
₃₆C ₂₀, Co₃₄Cr₂₈Mo₂₀C₁₈), The main component is nickel
Alloy system (eg Ni₉₀Zr_Ten, Ni₇₈Si
_TenB₁₂, Ni₃₄Cr_{twenty four}Mo_{twenty four}C₁₈And other metals
Alloy system containing the main component (eg Pd₈₀Si₂₀, Cu₈₀Zr
₂₀, Nb₅₀Ni₅₀, Ti₅₀Cu₅₀) Etc. can also be used.

The amorphous metal thin film may be a perforated thin film as long as it does not substantially affect the electromagnetic wave shielding property.

Since these amorphous metal thin films are often supplied in the form of ribbons or narrow width sheets as described above, when they are used in the laminate of the present invention, a plurality of thin films may be used, if necessary. Ribbon-shaped or narrow sheet-shaped amorphous metal thin films are arranged in parallel with each other to form a wide thin film, or if necessary, their opposite side edges are joined by a conductive adhesive or solder. , A wide thin film having a desired width. When forming a wide thin film from a plurality of ribbons, the ribbons may be arranged to extend parallel to the longitudinal axis of the resulting laminate, or they may be arranged to extend in a direction perpendicular to this. May be. In addition, the amorphous metal thin film may be formed using amorphous metal powder. Or, as a knitted woven fabric-like or non-woven fabric-like sheet from thin wires made of amorphous metal,
This may be used as an amorphous metal thin film. As described above, when the amorphous metal thin films are composed of the amorphous metal thin film ribbons bonded to each other, it is preferable that a plurality of amorphous metal thin films are laminated so that the ribbon bonding regions do not overlap.

The amorphous metal thin film has a shielding effect against an electric field, but particularly an excellent shielding effect against a magnetic field.

In the layered product of the present invention, the amorphous metal thin film may be formed of the amorphous metal thin film alone, or a substrate composed of the amorphous metal thin film and a conductive material covering at least one surface thereof. It may be composed of a conductive metal plating layer. Examples of the conductive metal for plating include copper, nickel, cobalt,
Iron, aluminum, gold, silver, tin, zinc and alloys of two or more selected from these can be used. In this way, when a conductive metal is plated on at least one surface of a substrate made of an amorphous metal thin film, the obtained amorphous metal thin film has the electric field shielding property due to the plating layer added to the magnetic field shielding property, so that the entire amorphous metal thin film is obtained. It is possible to show an excellent shielding effect against a wide range of electromagnetic waves from low frequency to high frequency. In addition, the conductive metal plating layer also has an effect of improving solderability of the amorphous metal thin film and facilitating formation of a wide thin film from the amorphous metal thin film ribbon.

The conductive metal plating layer contained in the amorphous metal thin film preferably has a thickness of 0.1 μm or more, more preferably 0.1 to 5 μm. Further, a thin protective film such as a rust preventive may be formed on the surface of the amorphous metal thin film or its metal plating layer.

The amorphous metal thin films each have a thickness of 5 to 50 μm as described above, but the laminated body of the amorphous metal thin films of the present invention has a total thickness of 50 μm.
The thickness is preferably 100 to 5,000.
More preferably it has a thickness of 0 μm. Therefore, in the amorphous metal thin film laminate of the present invention, preferably 2 to 200 amorphous metal thin films are laminated in the thickness direction. Strengthen the shield effect of the laminated body,
For stabilization, it is desirable to stack a large number of amorphous metal thin films. That is, when the amorphous metal thin film is bonded to a wide area and used, the larger the area, the more uneven the shielding effect, and the lower the effect or the more unstable. In order to solve such problems and obtain a stable shield effect, it is desirable to stack a large number of thin films.

The laminate of the present invention may include at least one amorphous metal thin film with a plating layer and at least one amorphous metal thin film having no plating layer. Thus, by omitting the plating layer from a part of the amorphous metal thin film, it is possible to obtain the required electromagnetic wave shielding property while reducing the product cost.

In the amorphous metal thin film laminate of the present invention, a plurality of amorphous metal thin films are laminated without being adhered to each other, and the laminate is a sheet (film) made of two flexible resins facing each other. Packed between
The two flexible resin pack sheets are continuous with each other at their edge portions. Also, a plurality of these packed and integrated pieces may be stacked.

The flexible resin pack sheet is preferably conductive or semiconductive. By doing so, the whole of the plurality of plated or non-plated amorphous metal thin film laminates becomes conductive, and a preferable result is obtained. In particular, when an unplated amorphous metal thin film is used, a conductive or semi-conductive flexible resin pack sheet is used to improve the magnetic field shielding property as well as the electric field shielding property and obtain a laminate having good performance. To be

At least one of the above flexible resin pack sheets may be porous.

The flexible resin pack sheet can provide the laminate of the present invention with desired flexibility, compressive elasticity, shock absorbing property and shock absorbing property, rupture resistance and the like. That is, when an external force such as bending is applied to the laminated body, the flexible resin pack sheet absorbs this external force by being deformed, and the expansion and compression of the amorphous metal thin film are reduced. It exerts a buffering effect of preventing breakage and breakage, and permanent deformation (crease formation). Such a laminated body is useful as a magnetic shield sheet for a nuclear magnetic resonance diagnostic apparatus (MRI), a covering sheet for electronic equipment, a sheet for packing and storing, a floor sheet, a wall sheet, a construction sheet, or the like. .

As the flexible resin used in the present invention,
Natural rubber, neoprene rubber, chloroprene rubber, silicone rubber, Hypalon and other synthetic rubber, or PVC
Resin, ethylene-vinyl acetate copolymer (EVA) resin, acrylic resin, silicone resin, polyurethane resin, polyethylene (PE) resin, polypropylene (P
P) resin, polyester resin, fluorine-containing resin and other synthetic resins can be used. Such a resin material also has good waterproofness, and can impart desired waterproofness, flame retardancy, and mechanical strength to the resulting laminate. The flexible resin pack sheet preferably has a thickness of 0.05 mm or more, more preferably 0.05 to 1.0 mm, and preferably contains a conductive substance.

These flexible resin pack sheets use the above-mentioned rubber or resin film, solution, paste, straight or the like by a known method such as topping, calendering, coating or dipping. It can be formed on the surface of the amorphous metal thin film stack. These rubbers or resins may contain a plasticizer, a stabilizer, a colorant, an ultraviolet absorber and the like, and other function-imparting agents such as a flameproofing agent and a flame retardant.

Conventionally, it is known that a resin layer having a thickness of about 1 to 10 μm is formed on the surface of a metal foil for the purpose of preventing rust and corrosion, but in the laminate of the present invention, The flexible resin pack sheet is generally formed to have a thickness of 50 μm or more, and this thickness is preferably 50 to 5000.
μm, more preferably 100 to 3000 μm, still more preferably 200 to 2000 μm.
Further, the flexible resin pack sheet used in the present invention,
Even if it has the above thickness, it can exhibit sufficient flexibility in use.

The flexible resin pack sheet may be formed of a single layer of a flexible / waterproof polymer, but at least one of the base layer is made of a flexible / waterproof polymer, and It may be formed on the layer and comprises a surface layer made of an antifouling / weatherproof polymer.

As the antifouling / weatherproof polymer used in the present invention, a fluorine-containing resin and an acrylic resin can be used. That is, the antifouling / weather resistant polymer surface layer is formed by sticking a film made of a fluorine-containing resin or an acrylic resin on the base layer.

Fluorine-containing resins are generally flame-retardant and stain-proof.
Although it is weather resistant, it is difficult to stick it to the surface of the base layer as it is because it is not compatible with ordinary plastic adhesives. Therefore, by subjecting the surface of the fluorine-containing resin film to primer treatment, corona discharge, low-temperature plasma treatment, or the like to facilitate adhesion and activation of this, for example, polyvinyl chloride, polyepoxy, polyacryl, polyester resin, etc. It has increased affinity with other adhesives. Usually, the surface treatment of the fluorine-containing resin film is activated by the above treatment. For this purpose, for example, 100-200V, 40-
Corona discharge treatment is performed under the conditions of 100 μF and a short circuit current of 1 to 2A. By such an electric discharge treatment, a desired adhesive ability is given to the fluorine-containing resin film, but the surface treatment of the fluorine-containing resin film used in the present invention is not limited to this, and other surface treatments such as the same or more may be performed. Anything can be used as long as it has an effect.

As the resin constituting the fluorine-containing resin film, various polyfluoroethylenes synthesized from monomers in which one or more hydrogen atoms of ethylene are replaced with fluorine atoms, for example, polytetrafluoroethylene. , Or various polyfluorochloroethylene containing a part of chlorine, such as polytrifluorochloroethylene, etc., but also includes polyvinyl fluoride, polyvinylidene fluoride, polydichlorodifluoroethylene, and the like. The thickness of the film is generally 0.001 mm to 0.5 mm, preferably 5
The thickness is about 50 μm, but the thickness can be made thicker or thinner as long as the objects of weather resistance / fouling resistance and durability are achieved, and there is no particular limitation. Further, the fluorine-containing resin film may be mixed with other resins, for example, MMA or the like, such as mixed or stuck and compounded, as long as the object of the present invention is achieved. Commercially available fluorine-containing resin films used in the present invention include Tedlar film (trademark of DuPont), Aflex film (trademark of Asahi Glass Co., Ltd.), and KFC film (trademark of Kureha Chemical Industry Co., Ltd.).
Etc.

In the present invention, it is preferable that the film-like fluorine-containing resin having a substantially smooth surface is attached to the upper surface of the base layer, but there is also a method of applying a fluorine-containing resin solution or emulsion. . The fluorine-containing resin film used in the present invention preferably has a tensile strength of 100 kg / cm ² or more.

In the present invention, the antifouling / weather resistant polymer surface layer may be formed of a polyacrylic resin. For this purpose, an acrylic resin film is generally used, but a method in which an acrylic resin solution or emulsion is applied on the base layer and dried may be used.

The acrylic resin film used in the present invention preferably has a tensile strength of 100 kg / cm ² or more, and is 1 to 50 g / m ² , preferably 3 to 30 g / m ² .
² weight, or 3μm or more (usually 3-50μm)
It is more preferable that it has a thickness of 4 to 30 μm.

The acrylic resin film applied to the present invention may be produced by the T-die method, the inflation method or any other method. Also, a stretched film,
Any unstretched film may be used, but the elongation of the film is preferably about 100 to 300%. Further, as described above, the thickness is usually about 3 to 50 μm, but it may be slightly thicker or thinner as long as sufficient weather resistance and antifouling property are achieved. The film material is a polyalkylmethacrylate-based film, for example, a material mainly containing methyl methacrylate, ethyl methacrylate, propyl methacrylate, butyl methacrylate, or a homomonomer such as acrylate, vinyl acetate, vinyl chloride, styrene, acrylonitrile, methacrylonitrile. Alternatively, a homopolymer or copolymer containing a comonomer as a component is preferably molded into a film. Such a film is adhered to the surface of the base layer using an adhesive or otherwise attached.

In the present invention, the antifouling / weatherproof polymer surface layer formed on the flexible / waterproof polymer base layer includes polyvinylidene fluoride in addition to the above-mentioned fluorine-containing resin and acrylic resin. It may be a laminate of a resin layer and an acrylic resin layer, or a laminate of a polyvinylidene fluoride resin layer, an acrylic resin layer, and a polyvinyl chloride resin layer (KFC film). In these laminates, it is preferable that the polyvinylidene fluoride resin layer has a thickness of 2 to 3 μm, the acrylic resin layer has a thickness of 2 to 4 μm, and the polyvinyl chloride resin layer has a thickness of 40 to 45 μm. . These flexible resin layers may be porous, that is, foam layers. Such a foamed porous layer may be a rigid foam as long as it has the desired flexibility, but it is generally preferred that it is a flexible foam.

The foamed porous layer has a porosity of 50 to 99%.
(Foaming ratio: 2 to 100 times), preferably 8
0 to 98% (foaming ratio: 5 to 50 times)
preferable. Usually, a foaming ratio of 20 to 60 times is used.
Be done. The compression resistance of the foamed porous layer is 25% compression.
At 10kg / cm²Practical depending on the application if:
Possible, but generally 0.5 kg / cm²To be
Preferably 0.1 kg / cm ²More preferred to be
Yes. There is no special limitation on the thickness of the foam porous layer
It can be set arbitrarily according to the use of the body, but in general
And preferably within the range of 0.5 to 100 mm,
More preferably, it is in the range of 1 to 50 mm.

The foamed porous layer is formed by packing an amorphous metal thin film laminate, but a foamed porous sheet may be prepared in advance and bound with an adhesive, or The adhesive surface portion of the foamed porous sheet may be heat-melted and fused. The foamed porous layer may be formed by chemically foaming on the amorphous metal thin film laminate, or a polymer coating containing bubbles may be applied on the amorphous metal thin film laminate and solidified. Alternatively, it may be formed by a so-called mechanical foaming method.

The coating layer containing the flexible resin foam porous layer as described above may be formed on both sides of the amorphous metal thin film laminate, or may be formed on only one side or in the middle. Good. When it is formed only on one side, even if the coating layer containing the non-porous layer of the flexible resin as described above is bound to the other side of the amorphous metal thin film laminate or to any part. Good.

In general, the tear strength of an amorphous metal thin film is so low that it is almost equal to 0, and the thin film easily tears at a low load. Further, such an amorphous metal thin film is relatively weak in tensile strength and has a large variation in strength. For example, the tensile strength of an amorphous metal thin film having a thickness of 25 μm is measured according to JIS-L-1096 (1979). 6.12 of "General textile test method", Tensile strength and elongation 6.1
According to 2.1 (1) A method (strip method), width: 3c
When measured under the conditions of m, gripping interval: 20 cm, and pulling speed: 200 mm / min, the tensile strength is 65 to 12
5 kg / 3 cm, average of about 100 kg / 3 cm, which is relatively weak, and the measured values vary widely. Amorphous metal thin films are generally provided in a ribbon shape with a narrow width, so these are arranged in parallel. If it is made into a sheet, then even if these are bonded at their opposing side edges by soldering or by an adhesive, the tensile strength in the lateral direction of this sheet is insufficient, Moreover, there is a problem that the variation is large. Therefore, even when it is used for packaging or coating, or when it is used for a purpose where it is rubbed locally or an external force acts locally, the laminate of the present invention is a flexible resin pack sheet. Since it is reinforced by, it can have sufficient practicality.

In the laminate of the present invention, the flexible resin pack sheet may be a wallpaper-like sheet which constitutes a wallpaper sheet. In this case, the obtained laminate is useful as an electromagnetic wave shielding wallpaper. In the laminated body of the present invention, at least one of the outermost surfaces thereof may be covered with a flexible resin coating layer.

[0044]

EXAMPLES The amorphous metal thin film laminate of the present invention will be further described below with reference to examples. Example 1 Amorphous alloy (Fe: 81%, B: 13.5%, S
i: 3.5%, C: 2%, trademark: METGLAS No. 2
605SC, Allied, width 7.62 cm, thickness 25μ
The entire surface of the ribbon-shaped body of m) was plated with copper having a thickness of 1 μm. Thirteen amorphous metal thin film ribbons were arranged in parallel and the side edges of the ribbons were soldered together to form a wide thin film having a width of about 95 cm.

Ten amorphous metal thin films with a wide plating layer having a width of 95 cm were laminated without adhering. This laminate exhibited an electromagnetic wave shielding effect of 90 dB.

Separately, the following composition: Polyvinyl chloride resin 100 parts by weight D. O. P. (Plasticizer) 70 〃 Barium borate (smoke reducing agent) 20 〃 Aluminum hydroxide (flame retardant) 100 〃 Barium sulfate (flame retardant) 200 〃 Barium-zinc stabilizer 2 〃 Ketin black EC 3 〃 resin composition From the above, a film having a width of 100 cm and a thickness of 0.3 mm was prepared.

Two sheets of the above polyvinyl chloride resin film were attached to both surfaces of the above-mentioned amorphous metal thin film laminate by a calendar, and the portions protruding from both ears of the amorphous metal thin film laminate were adhered to each other. Then, the amorphous metal thin film laminate was packed and sealed between two films.

The obtained laminate has a practically sufficient flexibility, despite containing a large number of amorphous metal thin films.
It had flexibility, strength, and workability, and exhibited an electromagnetic wave shielding effect of 90 dB.

Example 2 The same operation as in Example 1 was performed. However, first, a wide sheet of a plated amorphous metal thin film is prepared, and a wide sheet in which the edges of the non-plated amorphous metal thin film ribbon are joined with an adhesive is laminated on both sides thereof to form a three-layer structure. A laminate was formed. As above
The laminate obtained at low cost by laminating amorphous metal thin films without plating showed excellent electromagnetic wave shielding property of 40 dB.

As described above, it is possible to form an amorphous metal thin ribbon-shaped thin film without plating by using a wide substrate as a multi-layer, and it is possible to produce an amorphous metal thin film laminate at a low cost by a simple method. This can also be made into a laminated sheet, and in particular, it has opened the way to the commercialization of wide products including amorphous metal thin films.

[0051]

The laminated body of the present invention includes an amorphous metal thin film laminated body formed by laminating a plurality of amorphous metal thin films, and has practically sufficient flexibility, flexibility, strength, shock absorbing property, and workability. Since it has excellent electromagnetic wave shielding property and excellent electromagnetic wave shielding property, it is useful as an electromagnetic wave shielding coating, a packaging sheet, a rug, or a wallpaper sheet. Further, the laminate of the present invention can be used in combination with any of the intermediate product and the finished product in the above-mentioned applications.

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Claims (17)

[Claims] 1. A plurality of amorphous metal thin films are laminated without being adhered to each other, and the laminate is packed between two flexible resin pack sheets facing each other. An amorphous metal thin film laminate, characterized in that the flexible resin pack sheets are continuous with each other at their edges. 2. In the amorphous metal thin film laminate,
At least one amorphous metal thin film is formed on the at least one surface of the amorphous metal thin film,
And the laminated body of Claim 1 containing a plating layer which consists of at least 1 sort (s) of electroconductive metal. 3. The amorphous metal thin film laminate comprises at least one amorphous metal thin film with a plated layer,
The laminate according to claim 1, comprising an amorphous metal thin film having no at least one plating layer. 4. The conductive metal plating layer is at least one selected from copper, nickel, cobalt, iron, aluminum, gold, silver, tin, zinc and an alloy containing at least one selected from the above metals. The laminate according to claim 2, which comprises: 5. The stack of claim 1, wherein the amorphous metal thin film comprises a plurality of amorphous metal thin film ribbons arranged in parallel with each other. 6. The amorphous metal thin film ribbon according to claim 5, wherein the amorphous metal thin film ribbons are joined to each other at their longitudinal edges by a conductive adhesive or solder to form an integrated thin film having a desired width. Laminate. 7. The laminate according to claim 5, wherein the amorphous metal thin film ribbons are bonded to each other at their longitudinal edges by an adhesive or a pressure sensitive adhesive to form an integral thin film having a desired width. body. 8. The laminate according to claim 5, 6 or 7, wherein a plurality of amorphous metal thin films composed of the bonded amorphous metal thin film ribbons are stacked so that the ribbon bonding regions do not overlap. 9. The amorphous metal thin film comprises Fe, C
o, Ni, Pd, Cu, Nb and a main component consisting of at least one member selected from Ti, B, Si, C, Co,
The composition according to claim 1, comprising at least one member selected from Ni, Cr, Zr, Nb, Cu, Ti, and Mo, provided that it contains an additive component containing no metal contained in the main component. Laminate. 10. Each of the amorphous metal thin films comprises:
The laminate according to claim 1, which has a thickness of 5 to 100 µm. 11. The plurality of amorphous metal thin films comprises 5.
The laminate according to claim 1, having a total thickness of 0 to 5,000 μm. 12. The conductive metal plating layer has a thickness of 0.1 μm.
The laminate according to claim 2, which has a thickness of m or more. 13. The laminate according to claim 1, wherein the flexible resin pack sheet is conductive or semiconductive. 14. A flexible / waterproof polymer base layer in which at least one of the flexible resin pack sheets is laminated on the amorphous metal thin film laminate, and the flexible / waterproof polymer base layer.
The laminate according to claim 1, which comprises a soil-resistant weather-resistant polymer surface layer formed on the waterproof polymer base layer. 15. The laminate according to claim 14, wherein the antifouling weather resistant polymer surface layer contains at least one selected from fluorine-containing polymers and polyacrylic polymers. 16. The flexible resin pack sheet is 50 μm.
The laminate according to claim 1, which has a thickness of m or more. 17. The laminate according to claim 1, wherein at least one layer of the flexible resin pack sheet is porous.