JPS63293999A - Electromagnetic-wave shielding material - Google Patents
Electromagnetic-wave shielding materialInfo
- Publication number
- JPS63293999A JPS63293999A JP62128468A JP12846887A JPS63293999A JP S63293999 A JPS63293999 A JP S63293999A JP 62128468 A JP62128468 A JP 62128468A JP 12846887 A JP12846887 A JP 12846887A JP S63293999 A JPS63293999 A JP S63293999A
- Authority
- JP
- Japan
- Prior art keywords
- film
- shielding material
- polyethylene base
- base film
- polyamide
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 15
- -1 polyethylene Polymers 0.000 claims abstract description 16
- 239000004952 Polyamide Substances 0.000 claims abstract description 15
- 239000004698 Polyethylene Substances 0.000 claims abstract description 15
- 229920002647 polyamide Polymers 0.000 claims abstract description 15
- 229920000573 polyethylene Polymers 0.000 claims abstract description 15
- 239000010410 layer Substances 0.000 claims abstract description 11
- 238000005299 abrasion Methods 0.000 claims abstract description 6
- 239000011247 coating layer Substances 0.000 claims abstract description 4
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229920006284 nylon film Polymers 0.000 claims 1
- 239000010408 film Substances 0.000 abstract description 30
- 239000011248 coating agent Substances 0.000 abstract description 4
- 238000000576 coating method Methods 0.000 abstract description 4
- 230000006698 induction Effects 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 abstract description 2
- 239000010409 thin film Substances 0.000 abstract description 2
- 238000010030 laminating Methods 0.000 abstract 1
- 239000002120 nanofilm Substances 0.000 abstract 1
- 230000008719 thickening Effects 0.000 abstract 1
- 229920001778 nylon Polymers 0.000 description 7
- 239000004677 Nylon Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000007740 vapor deposition Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007666 vacuum forming Methods 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
この発明は−、−新−しい電磁波シールド材に関するも
のである。[Detailed Description of the Invention] [Industrial Application Field] This invention relates to a new electromagnetic shielding material.
［従来の技術］
工業用、事務用あるいは民生用電気機器の急速な発達に
伴い各種の電子部品を取扱う機会が多くなってきている
。[Prior Art] With the rapid development of industrial, office, and consumer electrical equipment, opportunities to handle various electronic components are increasing.
これらの電子部品のなかには、直接放電、摩擦電気ある
いは静電気など静電的に誘導される電気や磁気に対して
極めて敏感な部品がある場合があリ、その保護に関して
は常に最新の注意を払う必要がある。Some of these electronic components may be extremely sensitive to electrostatically induced electricity or magnetism, such as direct discharge, triboelectricity, or static electricity, and must be protected at all times. There is.
これらの問題に対処するために検討されているものとし
ては、例えば、直接放電、摩擦電気あるいは静電気を遮
断して内容物に影響を与えないようにするための包装材
料としては、例えば、ポリエチレンフィルムの一面にポ
リエステルフィルムを当てかいその外側の面に導電性金
属層を形成させ、最終的には表面全体を耐摩耗性コーテ
ィングを施したことからなる材料が登場している。Examples of packaging materials being considered to address these issues include, for example, polyethylene film to block direct discharge, triboelectricity, or static electricity so that it does not affect the contents. Materials have emerged that consist of a polyester film applied to one side, a conductive metal layer formed on the outer side, and finally a wear-resistant coating applied to the entire surface.
このものは、基体樹脂としてポリエチレンテレフタレー
トなどのポリエステルを使用しており、例えば、引っ張
り強さなどの機械的強度に強く、また、絶縁特性、とく
に低周波絶縁特性に優れているものであり、さらに、耐
アーク性としては１２０〜１８０秒と極めて優れた性能
を発揮するものである。This product uses polyester such as polyethylene terephthalate as the base resin, and is strong in mechanical strength such as tensile strength, and has excellent insulation properties, especially low frequency insulation properties. It exhibits extremely excellent arc resistance of 120 to 180 seconds.
［発明が解決しようとする問題点］
しかしながら、耐ピンホール性について見るとそれほど
ではなく、また、収縮耐性や吸引追随性についてみても
、さらに一段の改良が望まれているものであった。[Problems to be Solved by the Invention] However, pinhole resistance is not so great, and further improvements in shrinkage resistance and suction followability are desired.
［問題点を解決するための手段］
この発明は、前述のような解決しなければならない点に
ついて種々検討を加え゛た結果到達したものであって、
ポリエチレンベースフィルム、ポリアミドフィルム、導
電性金属層および耐摩耗性コーティング層の順に積層さ
れていることからなる透視性に優れた電磁波シー／Ｌｚ
−トー材、に関するものである。[Means for Solving the Problems] This invention was arrived at as a result of various studies regarding the above-mentioned problems that need to be solved.
Electromagnetic wave sheet/Lz with excellent transparency, consisting of a polyethylene base film, a polyamide film, a conductive metal layer, and a wear-resistant coating layer laminated in this order.
- This relates to toe material.
［実施例および作用］
この発明でいう電磁波シールド材は、例えば、第１図に
示したような構造を有しているものである。[Embodiments and Effects] The electromagnetic shielding material referred to in the present invention has a structure as shown in FIG. 1, for example.
図中、１はポリエチレンベースフィルム、２はポリアミ
ドフィルム、３は金属の蒸着層、４は耐摩耗性のコーテ
ィングフィルムである。In the figure, 1 is a polyethylene base film, 2 is a polyamide film, 3 is a metal vapor deposition layer, and 4 is an abrasion-resistant coating film.
この発明で使用するポリエチレンベースフィルムとして
は、特に使用する対象場面が静電誘導の防止にあること
から、非帯電性であることを要するが、その他に引き裂
き強度の大きいものであることが最終形態の使用場面で
の安定性が向上するので好ましい。The polyethylene base film used in this invention must be non-static, as it is used specifically to prevent electrostatic induction, but it must also have high tear strength in its final form. This is preferable because it improves stability when used.
このポリエチレンベースフィルムは、利用形態が包装に
あること、また、他のフィルムとのラミネーションによ
ることから、あまり厚くなることは避ける方が好ましく
、具体的には、例えば、およそ０．０２〜０．０４５ｍ
ｍの範囲の中から適宜選択して厚さを決定する。Since this polyethylene base film is used for packaging and for lamination with other films, it is preferable to avoid making it too thick. 045m
The thickness is determined by appropriately selecting from the range of m.
また、ポリアミドフィルムとしては、６．６−ナイロン
、６．１０−ナイロン、６−ナイロンあるいは１１−ナ
イロンなど各種のナイロンの中から選択して使用するこ
とができる。Further, the polyamide film can be selected from various nylons such as 6.6-nylon, 6.10-nylon, 6-nylon, and 11-nylon.
なお、絶縁破壊強さあるいは体積固有対抗の値を高い水
準に保つことが必要な場合には、６．６−ナイロンある
いは６−ナイロンを使用すると望ましい結果が得られ易
い。Note that when it is necessary to maintain the dielectric breakdown strength or volume specific resistance value at a high level, desirable results are likely to be obtained by using 6.6-nylon or 6-nylon.
このポリアミドフィルムは、その表面に蒸着する金属薄
膜を安定的に保持するためのものであることから、機械
的強度が充分であれば最も薄い場。This polyamide film is used to stably hold the metal thin film deposited on its surface, so if it has sufficient mechanical strength, it can be used at its thinnest level.
合は単分子膜程度の膜厚でよいことになる。In this case, the film thickness may be about that of a monomolecular film.
しかしながら実際的には、このポリアミドフィルムの厚
さは、取扱性の観点からおよそ０．０１〜０．０５ｍｍ
の厚さとすると好ましい結果が得られやすい。However, in practice, the thickness of this polyamide film is approximately 0.01 to 0.05 mm from the viewpoint of handling.
Favorable results are likely to be obtained if the thickness is set to .
いずれにしても、このポリアミドフィルムは、前述のポ
リエチレンベースフィルムと共に吸引追随性に優れてい
ることから、成形の際に両者の間に違和が起こらないと
いう作用を有する。In any case, since this polyamide film has excellent suction followability as well as the above-mentioned polyethylene base film, it has the effect that no discomfort occurs between the two during molding.
また、導電性金属層としては、ニッケル、銅またはアル
ミニウムなどの良導体金属による、少なくとも蒸着程度
の層厚さを有するものであればよい。Further, the conductive metal layer may be made of a good conductor metal such as nickel, copper, or aluminum and has a layer thickness at least equivalent to that of vapor deposition.
［発明の効果］
この発明は、ポリエチレンベースフィルム、ポリアミド
フィルム、導電性金属層および耐摩耗性コーティング層
の順に積層したことによる電磁波シールド材、としたの
で透視性に優れているのみならず、従来の絞りよりも深
い絞りの真空成形を行うことが可能であり、長時間にわ
たたって内部の真空度を保つことが可能であるという効
果を有するものである。[Effects of the Invention] This invention provides an electromagnetic shielding material in which a polyethylene base film, a polyamide film, a conductive metal layer, and an abrasion-resistant coating layer are laminated in this order. It is possible to carry out vacuum forming with a deeper drawing than that of the previous drawing, and it has the effect that it is possible to maintain the degree of vacuum inside for a long period of time.
第１図はこの発明により形成した電磁波シールド材の斜
視図である。
図中、１はポリエチレンベースフィルム、２はポリアミ
ドフィルム、３は金属の蒸着層、４は耐摩耗性のコーテ
ィングフィルムである。FIG. 1 is a perspective view of an electromagnetic shielding material formed according to the present invention. In the figure, 1 is a polyethylene base film, 2 is a polyamide film, 3 is a metal vapor deposition layer, and 4 is an abrasion-resistant coating film.
Claims (7)
ム、導電性金属層および耐摩耗性コーティング層の順に
積層されていることからなる透視性に優れた電磁波シー
ルド材。(1) An electromagnetic shielding material with excellent transparency, consisting of a polyethylene base film, a polyamide film, a conductive metal layer, and an abrasion-resistant coating layer laminated in this order.
力が大きく、しかも引き裂きに強いものである特許請求
の範囲第１項に記載の電磁波シールド材。(2) The electromagnetic shielding material according to claim 1, wherein the polyethylene base film is non-static, has high dielectric strength, and is resistant to tearing.
１＾３Ω／ｃｍ＾２程度の物である特許請求の範囲第１
項に記載の電磁波シールド材。(3) Polyethylene base film has low electrical efficiency 10^
Claim 1 which is about 1^3Ω/cm^2
The electromagnetic wave shielding material described in section.
である特許請求の範囲第１項に記載の電磁波シールド材
。(4) The electromagnetic shielding material according to claim 1, wherein the polyethylene base film has a thickness of about 50 μm.
許請求の範囲第１項に記載の電磁波シールド材。(5) The electromagnetic shielding material according to claim 1, wherein the polyamide film has a thickness of about 25 μm.
許請求の範囲第１項に記載の電磁波シールド材。(6) The electromagnetic shielding material according to claim 1, wherein the polyamide film is a nylon film.
から選ばれた金属である特許請求の範囲第１項に記載の
電磁波シールド材。(7) The electromagnetic shielding material according to claim 1, wherein the conductive metal layer is a metal selected from nickel, nickel, or aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62128468A JPS63293999A (en) | 1987-05-27 | 1987-05-27 | Electromagnetic-wave shielding material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62128468A JPS63293999A (en) | 1987-05-27 | 1987-05-27 | Electromagnetic-wave shielding material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63293999A true JPS63293999A (en) | 1988-11-30 |
Family
ID=14985475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62128468A Pending JPS63293999A (en) | 1987-05-27 | 1987-05-27 | Electromagnetic-wave shielding material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63293999A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006121194A1 (en) * | 2005-05-13 | 2006-11-16 | Tatsuta System Electronics Co., Ltd. | Shielding film, shielded printed circuit board, shielded flexible printed circuit board, method of manufacturing shielding film, and method of manufacturing shielded printed circuit board |
-
1987
- 1987-05-27 JP JP62128468A patent/JPS63293999A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006121194A1 (en) * | 2005-05-13 | 2006-11-16 | Tatsuta System Electronics Co., Ltd. | Shielding film, shielded printed circuit board, shielded flexible printed circuit board, method of manufacturing shielding film, and method of manufacturing shielded printed circuit board |
| US7709750B2 (en) | 2005-05-13 | 2010-05-04 | Tatsuta System Electronics Co, Ltd. | Shielding film, shielded printed circuit board, shielded flexible printed circuit board, method of manufacturing shielding film, and method of manufacturing shielded printed circuit board |
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