JPS63257298A - Electromagnetic or radio frequency shielded product and manufacture of the same - Google Patents

Electromagnetic or radio frequency shielded product and manufacture of the same

Info

Publication number
JPS63257298A
JPS63257298A JP62090749A JP9074987A JPS63257298A JP S63257298 A JPS63257298 A JP S63257298A JP 62090749 A JP62090749 A JP 62090749A JP 9074987 A JP9074987 A JP 9074987A JP S63257298 A JPS63257298 A JP S63257298A
Authority
JP
Japan
Prior art keywords
housing
high frequency
electromagnetic wave
product
sheet
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
Application number
JP62090749A
Other languages
Japanese (ja)
Inventor
武 金澤
渡辺 敏春
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.)
Sakae Riken Kogyo Co Ltd
Original Assignee
Sakae Riken Kogyo Co Ltd
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 Sakae Riken Kogyo Co Ltd filed Critical Sakae Riken Kogyo Co Ltd
Priority to JP62090749A priority Critical patent/JPS63257298A/en
Publication of JPS63257298A publication Critical patent/JPS63257298A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14778Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
    • B29C45/14811Multilayered articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0003Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular electrical or magnetic properties, e.g. piezoelectric
    • B29K2995/0011Electromagnetic wave shielding material

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【発明の詳細な説明】 「産業上の利用分野」 この発明は、電子機器、事務機器、医療機器、車両、船
舶、航空機などに用いられる電磁波または高周波シール
ドを必要とするハウジング、シャシ−、ケース、プレー
トなどにおいて、電磁波または高周波シールドを施した
製品およびその製法に関するものである。
Detailed Description of the Invention "Field of Industrial Application" This invention is applicable to housings, chassis, and cases that require electromagnetic wave or high frequency shielding, used in electronic equipment, office equipment, medical equipment, vehicles, ships, aircraft, etc. , plates, etc., which are shielded from electromagnetic waves or high frequencies, and their manufacturing methods.

「従来の技術」 電磁波妨害としてテレビを見ている最中に急に画像が歪
んだり、ラジオに突然、雑音が入ることはしばしば起き
るが、これらは各種の電子n Hや自動車などから発生
する電磁波による障害である、それは最近の高密度、高
出力のコンピューター+71器には、多数のI CR?
LS Iが組み込まれいて、それらが高周波パルスを発
生させ、近隣のテレビやラジオあるいはパトロール用無
線通信機器などに悪い影響を与える電磁波妨害となる。
``Prior art'' It often happens that the image suddenly becomes distorted while watching TV or noise suddenly enters the radio as a result of electromagnetic interference, but these are caused by electromagnetic waves generated by various electronic devices, automobiles, etc. This is because modern high-density, high-power computers have a large number of ICRs.
When LSIs are installed, they generate high-frequency pulses that cause electromagnetic interference that adversely affects nearby televisions, radios, and patrol wireless communication equipment.

また金融機関などのコンピューターが外部からのノイズ
によって誤動作することもあり、これによってオンライ
ンが停止する事故になる高周波妨害も発生している。 
このような電磁波または高周波の妨害から守るために、
自家、自社使用の゛8子機器などを収納するプラスチッ
クケースに施す電磁波または高周波のシールド(遮蔽)
法として、モ゛(来、金属溶射法、鍍金法(無電解鍍金
)、金属箔貼付法、導電塗装法などの技術があり、その
試作と次第に実用化がなされている現状にある。
In addition, computers at financial institutions and other institutions sometimes malfunction due to external noise, resulting in high-frequency interference that can cause online outages.
To protect against such electromagnetic or radio frequency interference,
Shielding of electromagnetic waves or high frequencies applied to plastic cases for housing devices used at home or in-house.
Currently, there are technologies such as metal spraying, plating (electroless plating), metal foil pasting, and conductive coating, which are currently being prototyped and gradually put into practical use.

[発明が解決しようとする問題点」 この発明は、電磁波または高周波に対するシールド機能
と経済性にすぐれた製品とそれを効率的に提供しようと
するものである。
[Problems to be Solved by the Invention] The present invention aims to efficiently provide a product with excellent shielding function against electromagnetic waves or high frequencies and excellent economic efficiency.

「問題点を解決するための手段」 電磁波または高周波シールドを必要とするハウジングな
どにおいて、電磁波まは高周波のシールド機能を有する
金属膜または金属箔を付与したシートを、そのハウジン
グなどの表面または裏面または中間に一体的に密着させ
たことを特徴とする電磁波または高周波シールド製品で
あり、これは電磁波まは高周波のシールド機能を有する
金属膜または金属層を付与したシートを、金型内に配置
し、合成樹脂材を射出成形することによって、そのハウ
ジングなどの表面または裏面または中間に一体的に密着
させ、前記シールド機能を有するハウジングなどを形成
することを特徴とする電磁波または高周波シールド製品
の製法であり、また電磁波または高周波のシールド機能
を有する金属膜または金属箔を付与したシートを、予備
成形後、金型内に配置し、合成樹脂材を射出成形するこ
とによって、そのハウジングなどの表面または裏面また
は中間に一体的に密着させ、前記シールド機能を有する
ハウジングなどを形成することを特徴とする電磁波また
は高周波シールド製品の製法によってもたらされる。
``Means for solving the problem'' In housings that require electromagnetic wave or high frequency shielding, a sheet coated with a metal film or metal foil that has an electromagnetic wave or high frequency shielding function is applied to the front or back surface of the housing, etc. This is an electromagnetic wave or high frequency shielding product characterized by integrally adhering to the middle.This is a metal film or a sheet provided with a metal layer that has an electromagnetic wave or high frequency shielding function, and is placed in a mold. A method for manufacturing electromagnetic wave or high frequency shielding products, which is characterized by injection molding a synthetic resin material and integrally adhering it to the front surface, back surface, or middle of the housing to form a housing having the shielding function. In addition, after preforming, a sheet coated with a metal film or metal foil that has an electromagnetic wave or high frequency shielding function is placed in a mold, and a synthetic resin material is injection molded to cover the front or back surface of the housing, etc. This is achieved by a method for producing an electromagnetic wave or high frequency shielding product, which is characterized by forming a housing or the like having the shielding function by integrally adhering the housing in the middle.

「作用」 電子機器、事務機器その他などのハウジング、シャーシ
ー、ケース、プレート類の成形材に、金属膜または箔を
形成したシートを同時一体成形する。
``Operation'' A sheet on which a metal film or foil is formed is simultaneously integrally molded into a molded material for housings, chassis, cases, plates, etc. of electronic equipment, office equipment, etc.

上記ハウジング類の表面または裏面または中間にこれを
実施することにより、障害となる電磁波または高周波の
遮蔽を行い、その減衰率は、現状で最も優れた従来技術
である金属箔貼付法に匹敵する性能を示す。
By implementing this on the front, back, or middle of the above housings, it is possible to shield electromagnetic waves or high frequency waves that may cause interference, and its attenuation rate is comparable to that of the metal foil pasting method, which is currently the best conventional technology. shows.

「実施例」 この発明の電磁波または高周波シールド製品に用いるシ
ートの構成として、以下モデル的に図示する。
``Example'' The configuration of a sheet used in the electromagnetic wave or high frequency shield product of the present invention will be illustrated below as a model.

第1図aに示すようにフィルム(r)[ポリエチレンテ
レフタレートなどのキャリヤーフィルムで厚さ0.1〜
1.2■程度とする]に離型剤層(R)を介して、保護
層(C)[この層は印刷することもできる]を積層し、
その上に金属膜(M)[これは真空蒸着またはスパッタ
リングで得られる、たとえば銅膜またはアルミニウム膜
、およびそれらの金属箔類を付着させる]を形成する。
As shown in FIG.
A protective layer (C) [this layer can also be printed] is laminated on the mold release agent layer (R) to a thickness of about 1.2 cm,
A metal film (M) (obtained by vacuum evaporation or sputtering, for example, a copper film or an aluminum film, and metal foils thereof) is formed thereon.

さらにその上に接着剤層(c)を設ける。これらを一体
化したシh (S+)を用意する。
Furthermore, an adhesive layer (c) is provided thereon. A shi (S+) is prepared by integrating these.

第1図すは同じくシー) (S2)の例で、ノリル樹脂
、ABSII!l脂、ポリカーボネート樹脂製のフィル
ム(f’) [ハウジング成形材と同色または同図柄な
どの印刷をする場合もある。]に接着剤層(e′)を介
して金属層(Mo)を配し、さらに前述の接着剤層(e
)を設ける。
Figure 1 is an example of (S2) (S2) made of Noryl resin, ABSII! Polycarbonate resin film (f') [It may be printed in the same color or pattern as the housing molding material. ] is provided with a metal layer (Mo) via an adhesive layer (e'), and further the above-mentioned adhesive layer (e
) will be established.

第1図Cはシート(S、)の例で、保護層(c)に金属
層(Mo)をおいてその上に接着11F’1層(e)を
配するこれらシート(S+)、(Sz)、(S3)を真
空成形またはプレス成形によってハウジングに合う形状
構成に予備成形を行う。
FIG. 1C shows an example of a sheet (S, ), in which a protective layer (c) has a metal layer (Mo) and an adhesive 11F' layer (e) is disposed thereon. ), (S3) are preformed into a shape that fits the housing by vacuum forming or press forming.

第2図は成形法を示すもので、成形金型の雄型(人)、
雌型(B)に前記予備成形品(F>を配置し、インサー
トによって合成樹脂材(P)を注入してハウジング(H
)、を形成すると同時に、そのハウジング(If)ノー
面ニシート(Sl)、(S2)、(s3)などf!:密
eさせる。
Figure 2 shows the molding method; the male mold (human) of the mold,
The preformed product (F>) is placed in the female mold (B), and the synthetic resin material (P) is injected into the housing (H) using an insert.
), and at the same time, the housing (If), the upper surface of the sheet (Sl), (S2), (s3), etc. f! : Make it secret.

これらのシート(Sl)、(S2)、(Sv)はロール
状などに形成して、後述の第5図のようなインモールド
法によっても形成できる。
These sheets (Sl), (S2), and (Sv) can also be formed into a roll or the like by an in-mold method as shown in FIG. 5, which will be described later.

第3図に示すのは前記の予備成形品(F)に第2図示と
同様にインサートによって合成樹脂材(P)を注入して
一次成形品(G)を形成し、これを別の金型(B′)お
よび(人’>[図示せず]に移し、もう一度その上にイ
ンサートによって合成樹脂材(P)を(Y人して、中間
に前記シート(Sl)、(h)、(St)などが位置す
るようなハウジング(Hl)を成形した例である。
Figure 3 shows a synthetic resin material (P) injected into the preformed product (F) using an insert in the same way as shown in the second figure to form a primary molded product (G), which is then placed in another mold. (B') and (Person'>[not shown]), insert the synthetic resin material (P) thereon again (YP), and insert the sheets (Sl), (h), (St This is an example of a molded housing (Hl) in which the housing (Hl) is located.

第4図に示すのは真空成形またはプレス成形の予備成形
を行わないところの1手のシート(S4)で、(キャリ
アー)フィルム(f”)[10〜500μ)に離型剤層
(R)、保護層(C)、金属層(九τパ)、接着剤層(
e>を積層形成する。
Figure 4 shows a single sheet (S4) without preforming by vacuum forming or press forming. , protective layer (C), metal layer (9τpa), adhesive layer (
e> is laminated and formed.

これは第5図に示すように成形金型の雄型(人)、」型
(B)にこのシート(54)を)央んで、インモールド
法によって密若さぜなハウジング(11□)を得る「発
明の効果」 電子機器、事務機器などのハウジング、シャーシー、ケ
ース、プレート類の成形材に、金属膜または金属箔を形
成したシートを同時一体成形するこれらハウジング類の
表面または裏面にこのような技法を実施することにより
、障害となる電磁波または高周波の減衰率は、現状で最
もf憂れたbCC核技術ある金属箔貼付法に匹敵する性
能を示すこととなる。
As shown in Figure 5, this sheet (54) is placed in the center of the male die (B) of the molding die, and a compact housing (11□) is made by the in-mold method. ``Effects of the invention'' to be obtained When a sheet on which a metal film or metal foil is formed is simultaneously integrally molded into the molded material of housings, chassis, cases, plates, etc. of electronic equipment, office equipment, etc., such a method is applied to the front or back surface of these housings. By implementing this technique, the attenuation rate of interfering electromagnetic waves or high-frequency waves will show a performance comparable to that of the metal foil pasting method, which is the currently most feared bCC nuclear technology.

真空蒸着またはスパッタリングで得られる、たとえば銅
膜またはアルミニウム膜、ならびに銅箔類をハウジング
などと同時一体射出成形によりハウジング類を製作する
ことによって、シールド効果にすぐれた製品を安価に得
ることができる。
Products with excellent shielding effects can be obtained at low cost by manufacturing housings by integrally injection molding, for example, copper or aluminum films obtained by vacuum evaporation or sputtering, and copper foils together with housings.

なおまた合成樹脂製のシートに密着された金属膜または
金属箔は、ハウジングなどを形成する成形材と一体化す
ることによって、つぎのような利点をも有する。
Furthermore, the metal film or metal foil closely adhered to the synthetic resin sheet has the following advantages when integrated with the molded material forming the housing or the like.

■相互の密着性が完全である。■Mutual adhesion is perfect.

■耐食性にすぐれている。■Excellent corrosion resistance.

■シート材に印刷することにより、文字または、[21
!柄を付与でき、ハウジング、シャシ−、ケース、プレ
ートなどとしての意匠性を高めることができることとな
る。
■By printing on sheet material, characters or [21
! It is possible to add a pattern and enhance the design of housings, chassis, cases, plates, etc.

(り製法はすべて乾式法のため、鍍金や塗装を行うとき
のような公害問題が発生しない。
(Since all manufacturing methods are dry methods, there are no pollution problems that occur when plating or painting.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図aはこの発明の予備成形を行うインサート成形用
のシートの実施例のモデル図、第1図すはこの発明の予
備成形を行うインサート成形用のシー1〜の他の実施例
のモデル図、第1図Cはこの発明の予備成形を行うイン
サート成形用シートのさらに他の実施例のモデル図、第
2図はこの発明のインサート成形の状態を設明する断面
図、 第3図はシートを中間に密着させる例の工程を説明する
図、 第4図はこの発明のインモールド成形用のシートの実施
例のモデル図、 第5図はインモールド成形の状態を説明する断面図であ
る。 (r)、(f’)・・・・・・フィルム  (R)・・
・・・・離型剤層(()・・・・・・保護層     
(M)・・・・・金属膜(M’)、(M”)・・・・・
・金属層(e)、(s’)・・・・・・接着剤層(S)
、(Sl>、(S2)、(Sl)・・・・・・シート(
入)・・・・・・雄型   (It>・・・・・・雌型
(G)・・・・・・−次成形品  (F)由・・・予備
成形品(H)、(Hl)、(H2)・・・・・・ハウジ
ング(P)・・・・・・合成樹脂材 特許出願人 サカエ理研工業株式会社 第1図a 第1図す 第  1  図  C 第 2 図 第3図
Fig. 1a is a model diagram of an embodiment of an insert molding sheet for preforming of the present invention, and Fig. 1A is a model of other embodiments of the insert molding sheet for preforming of the present invention. 1C is a model diagram of still another embodiment of the insert molding sheet for preforming of the present invention, FIG. 2 is a cross-sectional view showing the state of insert molding of the present invention, and FIG. FIG. 4 is a model diagram of an embodiment of the sheet for in-mold molding of the present invention; FIG. 5 is a cross-sectional view illustrating the state of in-mold molding. . (r), (f')...Film (R)...
...Release agent layer (() ...protective layer
(M)...Metal film (M'), (M")...
・Metal layer (e), (s')...Adhesive layer (S)
, (Sl>, (S2), (Sl)... Sheet (
)...Male mold (It>...Female mold (G)...Next molded product (F) Reason...Preformed product (H), (Hl ), (H2)...Housing (P)...Synthetic resin material Patent applicant Sakae Riken Kogyo Co., Ltd. Figure 1 a Figure 1 S Figure 1 C Figure 2 Figure 3

Claims (1)

【特許請求の範囲】 1 電磁波または高周波シールドを必要とするハウジン
グなどにおいて、電磁波まは高周波のシールド機能を有
する金属膜または金属箔を付与したシートを、そのハウ
ジングなどの表面または裏面または中間に一体的に密着
させたことを特徴とする電磁波または高周波シールド製
品。 2 電磁波まは高周波のシールド機能を有する金属膜ま
たは金属箔を付与したシートを、金型内に配置し、合成
樹脂材を射出成形することによって、そのハウジングな
どの表面または裏面または中間に一体的に密着させ、前
記シールド機能を有するハウジングなどを形成すること
を特徴とする電磁波または高周波シールド製品の製法。 3 電磁波まは高周波のシールド機能を有する金属膜ま
たは金属箔を付与したシートを、予備成形後、金型内に
配置し、合成樹脂材を射出成形することによって、その
ハウジングなどの表面または裏面または中間に一体的に
密着させ、前記シールド機能を有するハウジングなどを
形成することを特徴とする特許請求の範囲第2項記載の
電磁波または高周波シールド製品の製法。
[Claims] 1. In a housing, etc. that requires electromagnetic wave or high frequency shielding, a sheet provided with a metal film or metal foil having an electromagnetic wave or high frequency shielding function is integrated on the front or back surface or in the middle of the housing, etc. Electromagnetic wave or high frequency shield product characterized by close contact with 2 A sheet coated with a metal film or metal foil that has an electromagnetic wave or high frequency shielding function is placed in a mold, and a synthetic resin material is injection molded to form an integral part on the front or back surface or in the middle of the housing, etc. A method for manufacturing an electromagnetic wave or high frequency shielding product, which comprises: forming a housing having the shielding function by bringing the product into close contact with the housing. 3. After preforming, a sheet coated with a metal film or metal foil that has an electromagnetic wave or high frequency shielding function is placed in a mold, and a synthetic resin material is injection molded to cover the front or back surface of the housing, etc. 3. The method of manufacturing an electromagnetic wave or high frequency shield product according to claim 2, characterized in that the housing or the like having the shielding function is formed by integrally adhering the two parts in the middle.
JP62090749A 1987-04-15 1987-04-15 Electromagnetic or radio frequency shielded product and manufacture of the same Pending JPS63257298A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62090749A JPS63257298A (en) 1987-04-15 1987-04-15 Electromagnetic or radio frequency shielded product and manufacture of the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62090749A JPS63257298A (en) 1987-04-15 1987-04-15 Electromagnetic or radio frequency shielded product and manufacture of the same

Publications (1)

Publication Number Publication Date
JPS63257298A true JPS63257298A (en) 1988-10-25

Family

ID=14007246

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62090749A Pending JPS63257298A (en) 1987-04-15 1987-04-15 Electromagnetic or radio frequency shielded product and manufacture of the same

Country Status (1)

Country Link
JP (1) JPS63257298A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10173378A (en) * 1996-12-12 1998-06-26 Mitsubishi Electric Corp Shielding device for radio equipment
JP2004363450A (en) * 2003-06-06 2004-12-24 Nissan Motor Co Ltd Electromagnetic wave shield casing and method of producing the same
WO2009035038A1 (en) * 2007-09-12 2009-03-19 Nissha Printing Co., Ltd. Double insert molded article and electronic device using the same
JP2011218661A (en) * 2010-04-09 2011-11-04 Sony Corp Molding, electronic device and method of manufacturing molding
CN103448205A (en) * 2012-05-30 2013-12-18 国钰电子(北海)有限公司 Manufacturing method of power adapter shell
CN110740853A (en) * 2017-07-28 2020-01-31 宝马股份公司 Method for producing a component, in particular for a motor vehicle, and component

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JPS60240198A (en) * 1984-05-14 1985-11-29 凸版印刷株式会社 Plastic housing having electromagnetic wave shielding property and method of producing same
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JPH10173378A (en) * 1996-12-12 1998-06-26 Mitsubishi Electric Corp Shielding device for radio equipment
JP2004363450A (en) * 2003-06-06 2004-12-24 Nissan Motor Co Ltd Electromagnetic wave shield casing and method of producing the same
WO2009035038A1 (en) * 2007-09-12 2009-03-19 Nissha Printing Co., Ltd. Double insert molded article and electronic device using the same
JP2011218661A (en) * 2010-04-09 2011-11-04 Sony Corp Molding, electronic device and method of manufacturing molding
CN103448205A (en) * 2012-05-30 2013-12-18 国钰电子(北海)有限公司 Manufacturing method of power adapter shell
CN110740853A (en) * 2017-07-28 2020-01-31 宝马股份公司 Method for producing a component, in particular for a motor vehicle, and component
US11691361B2 (en) 2017-07-28 2023-07-04 Bayerische Motoren Werke Aktiengesellschaft Method for producing a component, in particular for a motor vehicle, and component

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