JP2653427B2 - Electromagnetic shielding method using structures - Google Patents
Electromagnetic shielding method using structuresInfo
- Publication number
- JP2653427B2 JP2653427B2 JP61092294A JP9229486A JP2653427B2 JP 2653427 B2 JP2653427 B2 JP 2653427B2 JP 61092294 A JP61092294 A JP 61092294A JP 9229486 A JP9229486 A JP 9229486A JP 2653427 B2 JP2653427 B2 JP 2653427B2
- Authority
- JP
- Japan
- Prior art keywords
- electromagnetic shielding
- sheet
- reinforced concrete
- electromagnetic
- shielding 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.)
- Expired - Lifetime
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- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Building Environments (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は構築物を利用して行う電磁遮蔽工法に関する
ものである。Description: TECHNICAL FIELD The present invention relates to an electromagnetic shielding method using a building.
（従来の技術） 従来、電磁波から電子機器等を保護する目的の電磁遮
蔽工法としては、衆知の如く、電磁吸収体で全面が構成
されるシールドルームとする工法、鉄板や銅板などの電
磁遮蔽体で全面が構成されるシールドボックスとする工
法、部品や小型の機器をシート状の電磁遮蔽材で包みこ
む方法、及び鉄板や金網等により電子機器に対して部分
的に電磁遮蔽を行う方法があった。(Prior art) Conventionally, as an electromagnetic shielding method for protecting electronic devices and the like from electromagnetic waves, as is well known, a method of forming a shield room entirely composed of an electromagnetic absorber, and an electromagnetic shielding material such as an iron plate or a copper plate. There is a method of forming a shield box composed entirely of a sheet, a method of wrapping parts and small equipment with a sheet-like electromagnetic shielding material, and a method of partially shielding an electronic device with an iron plate or wire mesh. Was.
（発明が解決しようとする問題点） 従来の工法においては、例えばシールドルームやシー
ルドボックスとする工法は全面を囲わなければ効果が得
られず、組立に工数がかかり移動が困難な上、複雑な形
状や大きな空間への対応も難しく、任意に区画する必要
のある建設工事への適用は困難であり、行うとすれば高
価であった。(Problems to be Solved by the Invention) In the conventional method, for example, a method of forming a shield room or a shield box is not effective unless the entire surface is surrounded, it takes a lot of man-hours to assemble, and it is difficult to move and complicated. It is difficult to cope with the shape and the large space, and it is difficult to apply it to construction work that needs to be arbitrarily divided, and it is expensive to perform.
一方シート状の電磁遮蔽材で包みこむ方法は絶縁性に
欠けていたり、透視性に欠けていたりする欠点があっ
た。また電子機器に対して部分的に電磁遮蔽を行う方法
は、電磁遮蔽効果の確実性に欠け、区画することができ
ないのでゴミ等により汚損を防止することができないと
いう欠点があった。On the other hand, the method of wrapping with a sheet-like electromagnetic shielding material has a drawback that it lacks insulation or lacks transparency. In addition, the method of partially shielding an electronic device from electromagnetic waves lacks the certainty of the electromagnetic shielding effect, and has a drawback that contamination cannot be prevented by dust or the like because it cannot be partitioned.
本発明の目的は、前記欠点を解決し、任意な形状の形
成の可能な、電子機器等の電磁妨害に対する耐力以下の
電磁環境にある独立の区画を絶縁性および透視性をもつ
材料で短時間に形成できる工法を提供するにある。SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned drawbacks, and to form an independent section in an electromagnetic environment less than or equal to the immunity to electromagnetic interference of an electronic device or the like capable of forming an arbitrary shape by using a material having an insulating property and a transparent property in a short time. An object of the present invention is to provide a construction method that can be formed on a substrate.
（問題点を解決するための手段） 本発明は、鉄筋コンクリート又は鉄筋コンクリートと
鋼材で構成された構築物の壁・床・天井等の躯体あるい
は鋼材間仕切りに、電磁シールド用シートの端部を接合
させ任意な形の電磁遮蔽された区画を形成する工法とし
たものである。(Means for Solving the Problems) The present invention relates to a method in which an end of an electromagnetic shielding sheet is joined to a skeleton such as a wall, a floor, or a ceiling of a reinforced concrete or a structure made of reinforced concrete and steel or a partition between steel materials. It is a method of forming an electromagnetically shielded section.
なお前記電磁シールド用シートは、本出願人が先に登
録出願した実願昭60−075011号の願書に添付した明細書
に記載したものである。The electromagnetic shielding sheet is described in the specification attached to Japanese Patent Application No. 60-075011, which was filed by the present applicant earlier.
（作用） 本発明は、建築躯体を電磁遮蔽区画を形成する一部と
し、かつ絶縁奏を介して静電結合が行なわれているため
電磁遮蔽効果を持たせることができるとともに、絶縁性
を持たせることを可能としている。(Function) In the present invention, the building skeleton is used as a part forming an electromagnetic shielding section, and the electromagnetic coupling is performed through the insulation so that the electromagnetic shielding effect can be provided and the insulating property is provided. It is possible to make it.
（実施例） 本発明の１実施例を図面と共に説明する。(Example) An example of the present invention will be described with reference to the drawings.
第１図−（ａ）は本発明の１実施例の側面断面図，第
１図−（ｂ）は同じく平面図、第１図−（ｃ）は本発明
の他の実施例の平面図である。1 (a) is a side sectional view of one embodiment of the present invention, FIG. 1 (b) is a plan view thereof, and FIG. 1 (c) is a plan view of another embodiment of the present invention. is there.
第１図−（ａ），第１図−（ｂ）の本発明の１実施例
は建物内で電磁遮蔽空間をつくる６面の内,1面を電磁シ
ールド用シート，他の５面を壁，床，天井の躯体で構成
した場合の実施例であり、第１図−（ｃ）の本発明の他
の実施例は２の電磁シールド用シート，他の４面を壁，
床，天井の躯体で構成した場合の実施例である。One embodiment of the present invention shown in FIGS. 1 (a) and 1 (b) is one in which six electromagnetic shielding spaces are formed in a building, one of which is an electromagnetic shielding sheet, and the other five are walls. FIG. 1 (c) shows another embodiment of the present invention in which two electromagnetic shielding sheets are used, and the other four surfaces are walls.
This is an embodiment in the case of a floor and ceiling frame.
１は電磁シールド用シートである。電磁シールド用シ
ート１は前記の通り実願昭60−075011号の明細書に記載
したものを用いるが、後から説明する。Reference numeral 1 denotes an electromagnetic shielding sheet. As described above, the electromagnetic shielding sheet 1 used in the specification of Japanese Utility Model Application No. 60-075011 will be described later.
２は電磁波発生源である。電磁波発生源２は例えばモ
ーターで駆動され電磁波を発する工具の如きものであ
る。３は電子機器等である。電子機器等３は電磁遮蔽を
必要とする被害機器である。４は壁面,5は天井面,6は床
面であって、鉄筋コンクリートの構築物の１部として構
成されている。７は天井面５と電磁シールド用シート１
との接合部、８は床面６と電磁シールド用シート１との
接合部、９は壁面４と電磁シールド用シート１との接合
部である。接合部の詳細は後から説明する。10は電磁遮
蔽空間である。2 is an electromagnetic wave generation source. The electromagnetic wave generation source 2 is, for example, a tool driven by a motor to generate an electromagnetic wave. Reference numeral 3 denotes an electronic device or the like. The electronic device 3 is a damaged device that requires electromagnetic shielding. 4 is a wall surface, 5 is a ceiling surface, and 6 is a floor surface, which is configured as a part of a reinforced concrete structure. 7 is a ceiling surface 5 and an electromagnetic shielding sheet 1
8 is a joint between the floor surface 6 and the electromagnetic shielding sheet 1, and 9 is a joint between the wall surface 4 and the electromagnetic shielding sheet 1. Details of the joint will be described later. 10 is an electromagnetic shielding space.
第１図−（ａ），第１図−（ｂ）に示す１実施例は、
鉄筋コンクリート壁面４と鉄筋コンクリート天井面５と
鉄筋コンクリート床面６とよりなる建築躯体に、天井と
の接合部７と床面との接合部８と壁面との接合部９で電
磁シールド用シート１が接合され電磁遮蔽空間10が形成
される。電磁遮蔽空間10の中には電子機器３が配置され
る。図示はしていないが電子機器３の搬入搬出口が電磁
遮蔽に支障のないように設けられている。One embodiment shown in FIG. 1- (a) and FIG. 1- (b)
The electromagnetic shielding sheet 1 is joined to a building frame composed of a reinforced concrete wall surface 4, a reinforced concrete ceiling surface 5, and a reinforced concrete floor surface 6 at a joint portion 7 with the ceiling, a joint portion 8 with the floor surface, and a joint portion 9 with the wall surface. An electromagnetic shielding space 10 is formed. The electronic device 3 is arranged in the electromagnetic shielding space 10. Although not shown, the loading / unloading port of the electronic device 3 is provided so as not to hinder the electromagnetic shielding.
電磁波発生源２は電磁遮蔽空間10の外方にある。 The electromagnetic wave source 2 is located outside the electromagnetic shielding space 10.
第１図−（ｃ）に示す他の実施例は、鉄筋コンクリー
ト壁面４と鉄筋コンクリート天井面５と鉄筋コンクリー
ト床面６とよりなる建築躯体に、電磁シールド用シート
１が隣接の鉄筋コンクリート壁面４の壁面との接合部,9
に接合されるが、この様に接合の部位を任意の位置とす
ることにより任意な形の電磁遮蔽された区画を形成する
ことができる。In another embodiment shown in FIG. 1- (c), the electromagnetic shielding sheet 1 is attached to the reinforced concrete wall surface 4, the reinforced concrete ceiling surface 5, and the reinforced concrete floor surface 6, and the electromagnetic shielding sheet 1 is attached to the adjacent reinforced concrete wall surface 4. Joint, 9
In this manner, by setting the joining site at an arbitrary position, an electromagnetically shielded section of an arbitrary shape can be formed.
第２図は建築躯体と電磁シールド用シート１の端部と
の接合構造を示す説明図である。第２図は鉄筋コンクリ
ート天井面５との接合構造であって、11は絶縁体平板、
12はスポンジ、13はアンカーボルトである。電磁シール
ド用シート１は端部において図示するように絶縁体平板
11とスポンジ12を接触巾をもって包みこんでアンカーボ
ルト13により電磁波が漏洩しないように鉄筋コンクリー
ト天井面５に螺止される。FIG. 2 is an explanatory view showing a joint structure between the building frame and the end of the electromagnetic shielding sheet 1. FIG. 2 shows a joint structure with the reinforced concrete ceiling surface 5, where 11 is an insulating flat plate,
12 is a sponge, 13 is an anchor bolt. The electromagnetic shielding sheet 1 is an insulating flat plate as shown at the end.
The sponge 11 and the sponge 12 are wrapped with a contact width, and are screwed to the reinforced concrete ceiling surface 5 by an anchor bolt 13 so that electromagnetic waves do not leak.
第３図は、前記の通り本出願人の登録出願に係る電磁
シールド用シート１の断面図であるが、14は被蒸着材、
15はアルミニウム蒸着層、16は絶縁シートである。被蒸
着材14はポリエステルフィルム，アルミニウム蒸着層15
は50〜200Åの厚さのもの、絶縁シート16は軟質塩化ビ
ニールからなっている。電磁シールド用シート１が鉄筋
コンクリートに接する面は、シートのいずれの側を接合
させても電磁遮蔽効果は殆んど変化しないが、アルミニ
ウム蒸着層15を鉄筋コンクリートに近づける形で取り付
ける方が静電結合がより強くなる。FIG. 3 is a cross-sectional view of the electromagnetic shielding sheet 1 according to the applicant's registration application as described above.
Reference numeral 15 denotes an aluminum deposition layer, and reference numeral 16 denotes an insulating sheet. The material to be deposited 14 is a polyester film, an aluminum deposited layer 15
Is 50 to 200 mm thick, and the insulating sheet 16 is made of soft vinyl chloride. Regarding the surface of the electromagnetic shielding sheet 1 that comes into contact with the reinforced concrete, the electromagnetic shielding effect hardly changes even if any side of the sheet is joined, but it is more effective to attach the aluminum vapor-deposited layer 15 closer to the reinforced concrete for the electrostatic coupling. Be stronger.
第４図は、第１図の本発明の１実施例の電磁遮蔽効果
グラフである。第１図の電磁波発生源２をアンテナによ
る発信器に、電子機器３を受信器に置き換え、両者間距
離を2.2m,アルミ蒸着層15の厚さを100Åにした場合の電
磁遮蔽効果をグラフで示した。横軸に周波数〔MHz〕，
縦軸に電磁遮蔽効果を［dB］で示した。グラフに示され
るように、7MHz以下では15〜40dBの効果を得ることが出
来た。前記の第１図の鉄筋コンクリート壁面４を鋼材製
の間仕切として測定したが、同様の効果を得ることがで
きた。FIG. 4 is a graph of the electromagnetic shielding effect of the embodiment of the present invention shown in FIG. The electromagnetic shielding effect when the electromagnetic wave source 2 in FIG. 1 is replaced by a transmitter using an antenna and the electronic device 3 is replaced by a receiver, the distance between the two is 2.2 m, and the thickness of the aluminum deposition layer 15 is 100 mm is shown in a graph. Indicated. Frequency [MHz] on the horizontal axis,
The vertical axis indicates the electromagnetic shielding effect in [dB]. As shown in the graph, an effect of 15 to 40 dB was obtained below 7 MHz. When the reinforced concrete wall surface 4 of FIG. 1 was measured as a steel partition, the same effect was obtained.
以上説明したように、電磁シールド用シート１と建築
躯体とを接触巾をもたせて接合することにより絶縁層を
介しても静電結合が行われ、容易に15〜40dBの電磁遮蔽
効果を持つ電磁遮蔽空間を確実に形成することができ
る。また、本実施例で示した様に、全面を電磁シールド
用シート１で囲う必要はなく、見通しを必要とする最小
限の面に対してシートを布設すればよい。前記した通り
電磁シールド用シート１は第３図に示す構成となってお
り、厚さを0.3mm以下にすることも可能であり軽量で柔
軟性に富んでいるので短時間で任意の形状に布設するこ
とができる。また、電磁シールド用シート１の外表面は
絶縁シート16で形成されているため電気部品等に接触し
てもショートすることなく、安全に布設できる。アルミ
ニウム蒸着層15は50〜200Åとしているので透視性があ
る。しかし透明度を持たせる必要のない場合は200Å以
上の厚さにしてもよい。また直接接地を行わず絶縁層を
介して建築躯体を接合しているため雷サージあるいは他
の機器からのノイズの侵入等を防ぎ、電子機器を守るこ
とができる。As described above, by joining the electromagnetic shielding sheet 1 and the building frame with a contact width with each other, the electrostatic coupling is performed even through the insulating layer, and the electromagnetic shielding sheet easily has an electromagnetic shielding effect of 15 to 40 dB. The shielding space can be reliably formed. Further, as shown in the present embodiment, it is not necessary to surround the entire surface with the electromagnetic shielding sheet 1, and the sheet may be laid on the minimum surface requiring visibility. As described above, the electromagnetic shielding sheet 1 has the configuration shown in FIG. 3 and can be laid in an arbitrary shape in a short time because the thickness can be reduced to 0.3 mm or less, and it is lightweight and flexible. can do. Further, since the outer surface of the electromagnetic shielding sheet 1 is formed of the insulating sheet 16, even if it comes into contact with an electric component or the like, it can be safely laid without short-circuit. Since the aluminum deposition layer 15 has a thickness of 50 to 200 °, it has transparency. However, if transparency is not required, the thickness may be 200 mm or more. Further, since the building frame is joined via an insulating layer without directly grounding, it is possible to prevent a lightning surge or noise intrusion from other devices, and to protect electronic devices.
本実施例では、蒸着する金属としてアルミニウムを使
用したが銅，金，銀，鉄など遮蔽効果を有するものも使
うことができる。またポリエステルフィルムの被蒸着材
14およびアルミニウム蒸着層15のかわりに導電性を持つ
π電子共役点の高分子膜や導電性高分子と異種素材と分
子レベルでの混合、ドーピング、イオン注入などによっ
て得られるハイブリッド材料を用いることも可能であ
る。In this embodiment, aluminum is used as the metal to be deposited. However, a material having a shielding effect such as copper, gold, silver, and iron can also be used. In addition, material for evaporation of polyester film
Instead of 14 and the aluminum deposition layer 15, it is also possible to use a polymer film with conductive π-electron conjugate point or a hybrid material obtained by mixing, doping, ion implantation, etc. at the molecular level with a conductive polymer and a different material. It is possible.
（発明の効果） 以上詳細に説明したように、鉄筋コンクリートの建築
躯体の鋼材製の間仕切りの電磁シールド用シートを絶縁
層を介して接合することによって、容易に任意の形の電
磁遮蔽された区画を形成することができる。また絶縁層
を介して接合を行っているため雷サージや他の機器から
のノイズの侵入を防止することができる。また電磁シー
ルド用シートは、透視性や難燃性を持たせることがで
き、薄く柔軟なので、電気部品や電子機器が多く、障害
物が多く、複雑でかつ広い空間で変動するノイズ発生源
が多く、ゴミ等も発生しやすい建設工事において、絶縁
性，透視性，柔軟性，任意性，簡易性を兼備した安価な
仮設用間仕切りとすることもできる。また実験設備等に
も利用可能である。等の効果がある。(Effect of the Invention) As described in detail above, by joining the electromagnetic shielding sheet of the steel partition of the reinforced concrete building frame via the insulating layer, the electromagnetically shielded section of any shape can be easily formed. Can be formed. Further, since the bonding is performed via the insulating layer, it is possible to prevent lightning surge and noise from entering from other devices. In addition, electromagnetic shielding sheets can be made transparent and flame-retardant, and are thin and flexible.Therefore, there are many electrical components and electronic devices, many obstacles, and many noise sources that are complicated and fluctuate in a wide space. In construction work in which dust and the like are liable to be generated, an inexpensive temporary partition having insulation, transparency, flexibility, arbitrariness, and simplicity can be provided. It can also be used for experimental facilities. And so on.
第１図（ａ）は本発明の１実施例の側面断面図、第１図
（ｂ）は本発明の１実施例の平面図、第１図（ｃ）は本
発明の他の実施例の平面図、第２図は天井面と電磁シー
ルド用シートの接合構造を示す説明図、第３図は電磁シ
ールド用シートの断面図、第４図は本発明の１実施例の
電磁遮蔽効果グラフである。 １……電磁シールド用シート、２……電磁波発生源、３
……電子機器、４……鉄筋コンクリート壁面、５……鉄
筋コンクリート天井面、６……鉄筋コンクリート床面、
７……天井との接合部、８……床面との接合部、９……
壁面との接合部、10……電磁遮蔽空間、11……絶縁体平
板、12……スポンジ、13……アンカーボルト、14……被
蒸着材、15……アルミニウム蒸着層、16……絶縁シー
ト。1 (a) is a side sectional view of one embodiment of the present invention, FIG. 1 (b) is a plan view of one embodiment of the present invention, and FIG. 1 (c) is another embodiment of the present invention. FIG. 2 is a plan view, FIG. 2 is an explanatory view showing a joint structure between a ceiling surface and an electromagnetic shielding sheet, FIG. 3 is a sectional view of the electromagnetic shielding sheet, and FIG. 4 is an electromagnetic shielding effect graph of one embodiment of the present invention. is there. 1 ... electromagnetic shielding sheet, 2 ... electromagnetic wave generation source, 3
... Electronic equipment, 4 ... Reinforced concrete wall surface, 5 ... Reinforced concrete ceiling surface, 6 ... Reinforced concrete floor surface,
7 ... junction with the ceiling, 8 ... junction with the floor, 9 ...
Joint with wall surface, 10: Electromagnetic shielding space, 11: Insulated flat plate, 12: Sponge, 13: Anchor bolt, 14: Material to be deposited, 15: Aluminum deposited layer, 16: Insulating sheet .
───────────────────────────────────────────────────── フロントページの続き (72)発明者 古川 毅 東京都千代田区内幸町１丁目１番６号 日本電信電話株式会社内 (72)発明者 小泉 幸秀 東京都千代田区内幸町１丁目１番６号 日本電信電話株式会社内 (72)発明者 増田 健児 東京都千代田区内幸町１丁目１番６号 日本電信電話株式会社内 (72)発明者 下川 正和 東京都港区芝５丁目37番８号 住友三田 ビル 日比谷総合設備株式会社内 (72)発明者 上野 茂雄 東京都港区芝５丁目37番８号 住友三田 ビル 日比谷総合設備株式会社内 (72)発明者 青川 清治 東京都港区芝５丁目37番８号 住友三田 ビル 日比谷総合設備株式会社内 (72)発明者 武田 恒雄 東京都港区芝５丁目37番８号 住友三田 ビル 日比谷総合設備株式会社内 (56)参考文献 特開 昭58−168196（ＪＰ，Ａ) 特開 昭59−139698（ＪＰ，Ａ) 特開 昭60−228546（ＪＰ，Ａ) ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Takeshi Furukawa 1-1-6 Uchisaiwaicho, Chiyoda-ku, Tokyo Nippon Telegraph and Telephone Corporation (72) Inventor Yukihide Koizumi 1-16-1 Uchisaiwaicho, Chiyoda-ku, Tokyo Japan Inside Telegraph and Telephone Corporation (72) Inventor Kenji Masuda 1-1-6 Uchisaiwaicho, Chiyoda-ku, Tokyo Nippon Telegraph and Telephone Corporation (72) Inventor Masakazu Shimokawa 5-37-8 Shiba, Minato-ku, Tokyo Sumitomo Mita Building Hibiya General Equipment Co., Ltd. (72) Inventor Shigeo Ueno 5-37-8 Shiba, Minato-ku, Tokyo Sumitomo Mita Building Hibiya General Equipment Co., Ltd. (72) Inventor Seiji Aokawa 5-37-8, Shiba, Minato-ku, Tokyo No. Sumitomo Sanda Building Hibiya General Equipment Co., Ltd. (72) Inventor Tsuneo Takeda 5-37-8 Shiba, Minato-ku, Tokyo Sumitomo Sanda Building Hibiya If the equipment within Co., Ltd. (56) Reference Patent Sho 58-168196 (JP, A) JP Akira 59-139698 (JP, A) JP Akira 60-228546 (JP, A)
Claims (2)
部を、当該構築物の壁・床・天井等の躯体と電磁シール
ド用シートとを用いて電磁遮蔽された任意の区画に間仕
切る電磁遮蔽工法において、前記構築物の壁・床・天井
等の躯体に、絶縁性および透視性を有する電磁シールド
用シートを接合させる際、当該シートの端部に柔軟材と
絶縁性剛体を一対として端面に沿って配置し、前記柔軟
材と前記絶縁性剛体を当該シートで内包し、前記内包し
た端部をアンカーボルトを用いて当該構築物の壁・床・
天井等の躯体に接合することを特徴とする構築物を利用
した電磁遮蔽工法。An electromagnetic shielding method for partitioning the interior of a structure made of reinforced concrete into an arbitrary section which is electromagnetically shielded by using a body such as walls, floors and ceilings of the structure and an electromagnetic shielding sheet, When joining an electromagnetic shielding sheet having insulating and see-through properties to a body such as a wall, floor, or ceiling of the building, a flexible material and an insulating rigid body are arranged along the end face as a pair at the end of the sheet. , The flexible material and the insulative rigid body are included in the sheet, and the included ends are anchored with bolts, walls, floors,
An electromagnetic shielding method using a structure characterized by being joined to a frame such as a ceiling.
ートを有する特許請求の範囲第１項記載の構築物を利用
した電磁遮蔽工法。2. An electromagnetic shielding method using a building according to claim 1, comprising an electromagnetic shielding sheet made of a conductive polymer film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61092294A JP2653427B2 (en) | 1986-04-23 | 1986-04-23 | Electromagnetic shielding method using structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61092294A JP2653427B2 (en) | 1986-04-23 | 1986-04-23 | Electromagnetic shielding method using structures |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62250694A JPS62250694A (en) | 1987-10-31 |
| JP2653427B2 true JP2653427B2 (en) | 1997-09-17 |
Family
ID=14050398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61092294A Expired - Lifetime JP2653427B2 (en) | 1986-04-23 | 1986-04-23 | Electromagnetic shielding method using structures |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2653427B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0733693B2 (en) * | 1988-05-19 | 1995-04-12 | 清水建設株式会社 | Method of constructing electromagnetically shielded space |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58168196U (en) * | 1982-05-04 | 1983-11-09 | 東北金属工業株式会社 | Shield room partition structure |
| JPS59139698A (en) * | 1982-12-07 | 1984-08-10 | ザ・シムコ・カンパニー・インコーポレイテッド | Electrostatic barrier bag for electronic device |
| JPS60228546A (en) * | 1984-04-27 | 1985-11-13 | Nippon Telegr & Teleph Corp <Ntt> | Antistatic film having excellent transparency |
-
1986
- 1986-04-23 JP JP61092294A patent/JP2653427B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62250694A (en) | 1987-10-31 |
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