M392541 五、新型說明： 【新型所屬之技術領域】 本創作係關於一種布貼合彈性發泡導電體，尤指一種 兼具水平及垂直導電性及電磁波干擾遮蔽效能之布貼合彈 性發泡導電體。 【先前技術】 具有電磁波干擾遮蔽效能（electromagnetic interference(EMI) shielding property)之導電布泡棉在電子 通訊產品的應用上相當普，遍，例如手機、手提電腦、個人 數位助理（PDA)、計算機及其他電子周邊設備等。 一般而言，導電布泡棉係藉由貼合方式、由導電布内 包覆通孔性聚胺基曱酸酯（PU)發泡體而製成，例如導電布 内包覆了聚胺基曱酸酯發泡體，發泡體下方為藉由黏著膠 布黏附之内襯）。細言之’可使用導電布並於其上塗佈熱溶 膠後，裁切成所需要的尺寸後，再包覆所需要之厚度及寬 度之聚胺基甲酸醋發泡體’成為具有壓縮彈性之導電布泡 棉。已有許多公開專利文獻揭示以聚胺基甲酸酯發泡體為 基底之導電布泡棉。例如，us 7,078,092 B2、wo 2004/002206 Al、US 2003/0234498 A1 等文獻。 使用一般熟知的聚胺基甲酸酯（PU)發泡體作為具壓縮 彈性材料，再經由無電解電鍍金屬化成為導電性材料，其 導電性及電磁波干擾遮蔽效能可以符合一般需求，惟其仍 具有缺點，例如，聚胺基甲酸酯發泡體本身為高分子多孔 ’、耐候桂'較差又容易脆化。另外，聚胺基曱酸酯發泡 體之最小裁切厚度通常為2 mm至3 mm，其切割精度準確性 有很大的限制，於越來越講求輕、薄、短小的電子產品應 用中已無法滿足業界需求。此外，於裁切時，聚胺基甲 酸S旨發泡體與鍍覆於其上之金屬膜容易脆裂掉落，掉落的 碎屑恐造成電子設備短路的危險。再者，貼合步驟造成成 本的增加。 因此，在電子產品之應用中，需要能夠克服上述缺點 的彈性發泡導電體。 【新型内容】 本創作提供一種克服上述缺點之彈性發泡導電體。本 創作使用布貼合基材，並於該布貼合基材上進行金屬化加 工而獲得兼具水平及垂直導電性及電磁波干擾遮蔽效能。 由於採用布貼合基材，本創作之布貼合彈性發泡導電體可 裁切成任何所需要的尺寸，而實質上無？11發泡體及金屬膜 碎屑之掉落。 在本創作之一實施例中，布貼合彈性發泡導電體，包 含一布貼合基材及一覆蓋該布貼合基材之至少一部分表面 之金屬層，其中該布貼合基材包含一通孔性聚烯類發泡體 及貼合於該通孔性聚烯類發泡體之一布$ ^在本創作之— 實施例中，該通孔性聚烯類發泡體具有至少約15j/cm2之 M392541 冲孔或冲針岔度’及約0.5至約15_之沖孔直徑；該金屬 廣係由選自銅、錄、铭、金、銀、鈦、石夕、其合金或其混 合物所組成之群組之金屬構成；該布貼合基材之一面或兩 表面及孔内均覆蓋金屬層；該布貼合基材之一面或兩表面 及孔内均覆蓋一層或多層相同或不同之金屬層；該通孔性 聚烯類發泡體包含聚乙烯或聚丙烯；該布帛包含尼龍、聚 酯平織布或不織布。 上文已相當廣泛地概述本創作之技術特徵，俾使下文 之本創作詳細描述得以獲得較佳瞭解。構成本創作之申請 專利範圍標的之其它技術特徵將描述於下文。本創作所屬 技術領域中具有通常知識者應瞭解，可相當容易地利用下 文揭示之概念與特定實施例可作為修改或設計其它結構或 製程而實現與本創作相同之目的。本創作所屬技術領域中 具有通常知識者亦應瞭解，這類等效建構無法脫離後附之 申請專利範圍所界定之本創作的精神和範圍。 【實施方式】 圖1例示本創作之布貼合彈性發泡導電體1〇之一實施 例。在本創作之一實施例中，該布貼合彈性發泡導電體i 〇 包含一布貼合基材20及一覆蓋該布貼合基材2〇之至少一部 分表面之金屬層30，其中該布貼合基材2〇包含一聚烯類發 泡體22及貼合於該聚烯類發泡體22之一布帛24。 圖2例示本創作之布貼合彈性發泡導電體1 〇,之另一實 M392541 施例。在本創作之一實施例中，該布貼合彈性發泡導電體 10'包含一布貼合基材21及一覆蓋該布貼合基材20之至少一 部分表面之金屬層32、34，其中該布貼合基材2〇包含一通 孔性聚烯類發泡體22及貼合於該通孔性聚烯類發泡體22之 一布帛24»在此一實施例中，在該布貼合基材2〇之兩個表 面分別進行金屬化處理，而形成如圖2所示之彈性發泡導電 體之兩個表面上之金屬層32、34。 於本文中，術語「通孔性」係指該發泡體基材具有沿 其厚度方向上下貫穿之孔。 本創作之通孔性聚烯類發泡體2 2比其他高分子更具延 展性、緩衝性、厚度多樣性及恢復性。在本創作之一實施 例中’該通孔性聚烯類發泡體22之厚度為約〇.lmm至約5mm ’較佳係約0.3mm至約3mm。一般可視實際需要而決定該通 孔性¾^稀類發泡體2 2之適當厚度。該通孔性聚烯類發泡體 22通常具有至少約12孔/cm2之沖孔密度，較佳係至少約16 孔/cm2，及自約0.5至約i_5mm之沖孔直徑，較佳係約〇 6至 約 1 .Omm。 由於經金屬化處理後，金屬乃等比例地存附於沖孔中 ，故本創作之布貼合彈性發泡導電體1〇、1〇，具有垂直導電 之特性。在本創作之一實施例中，可使用例如但不限於銅 、鎳、鋁、金、銀、鈦、矽等之合金或其混合物形成本創 作之布貼合彈性發泡導電體1〇、1〇•表面上的金屬層3〇、Μ 、34。較佳地，本創作之布貼合彈性發泡導電體表 面上所形成之金屬層30、32、34具有約〇.003mm至約o 〇lmm 之厚度。該金屬層30、32、34除了賦予本創作之布貼合彈 性發泡導電體10、10·導電性之外，亦賦予電磁波干擾遮蔽 效能。 以下實施例係用於對本創作作進一步說明，惟非用以 限制本創作之範圍。任何本創作所屬技術領域具有通常知 識者可輕易達成之修飾及改變均包括於本案說明書揭示内 容及所附申請專利範圍之内。 實施例： 依照下列方式製造本創作之布貼合聚烯類發泡體： 1_製備通孔性聚烯類發泡體22 首先’製造一種具有以下性質之通孔性聚烯類發泡體 基材： 1·利用電子交聯原理，使聚乙烯（PE)或聚丙烯（pp)分子 間相互交聯’建立網狀結構； 2. 利用發泡方式，將發泡倍率控制在5倍，並控制聚烯 發泡體基材厚度為2mm ; 3. 利用沖仔模具及於上下往復式行程之沖孔條件下進 行冲孔或沖針加工，使基材具有約〇 8nirn之沖孔直徑 或針狀針孔及18孔/cm2之沖孔密度。 II.製備布貼合基材20 將通孔性聚烯類發泡體22與任意布$，例如尼龍 (Nylon)、聚酯平織布或不織布，以貼合方式，例如輥筒式 塗佈機（GRAVURE COATER)進行貼合。 M392541 ΠΙ.布貼合基材20之表面改質處理 以電暈（Corona)方式於下列操作條件下進行布貼合發 泡體基材之表面改質處理：電流1〇安培，功率2KW，電晕 光束出口與基材距離5mm。此一表面改質處理可使布貼合 基材20之表面具有粗糙度，其潤溼張力由i〇Dyne/cm提升至 40Dyne/cm以上。 IV.布貼合基材20之表面金屬化處理 以無電解電鍍方式’依照以下流程進行布貼合發泡體 基材表面之金屬化處理： 預浸（10%H(M，2分鐘，30°C) +活化（銳鹽或錫鹽，2 分鐘’ 30°C) +水洗（水，2分鐘’室溫）今速化（1〇%hC1 ’ 2分鐘’ 30°C) +水洗（水，2分鐘，室溫）+化銅（銅鹽 ’ 19分鐘，45°C) >水洗（水，2分鐘，室溫）今小活化（ 鈀鹽或錫鹽；2分鐘，30。〇 +水洗（水，2分鐘，室溫）+化 錄（録鹽’ 3分鐘，40。〇)4水洗（水，2分鐘’室溫）今烘乾（ 熱風乾燥或熱壓滾輪或乾燥烘箱，1~3分鐘，60〜120°C) + 成品。 經由上述步驟獲得的布貼合彈性發泡導電體之照片如 附件1所示。 接著，依照下列方式評估本創作布貼合彈性發泡導電 體之效能： A.電阻值測量方法 1.表面電阻： M392541 (1) 依照DIN54345標準。 (2) 設備· MITSUBISHI公司所販售之L〇w Resistivity Meter表面電阻測試器。 (3) 方法： a. 將彈性發泡導電體樣本平置於塑膠墊上。 b. 將電極板插入機台上電極板雙口處且鎖緊。 c. 將接地線一端插入機台孔内，一端則接地。 d. 將機台輕放於彈性發泡導電體樣本上且使 手離開機台’測試值即自動顯示。 (4) 測試結果：本創作彈性發泡導電體之表面電阻 值 <0.1 Ω/sq 〇 2.垂直導通電阻值： (1) 設備：GW Milli Ohm Meter。 (2) 方法： a.將彈性發泡導電體樣本裁成3x3cm2。 b·將彈性發泡導電體樣本平置於金屬銅極板 上。 c.將上下兩塊電阻偵測板往金屬銅極板緊密接 觸’使電阻偵測上板負荷5Kg砝碼後進行偵 測。 (3) 測試結果：本創作彈性發泡導電體之垂直電阻 值 <0.1 Ω.οιη 〇 Β ·電磁波干擾遮蔽值電阻值測量方法 1.依照ASTM D4935標準。 M392541 2. 電磁波干擾遮蔽理論如下： 當電磁波碰到導電性遮蔽物時，會受到遮蔽物的反 射作用而降低強度，電磁波干擾遮蔽之原理如圖3 所示。遮蔽效率（Shielding Effectiveness，SE)常用電 磁場哀減量dB(分貝，Decibels)表示，其中： SE = 20 log (Ei/Et)(dB) E(volts/m)電場強度 =20 log (Hi/Ht)(dB) H(amps/m)磁場強度 =10 log(Pi/Ht)(dB) P(watts/m2) i :入射；t :穿透M392541 V. New Description: [New Technology Field] This paper is about a kind of cloth-bonded elastic foaming conductor, especially a cloth-bonded elastic foaming conductive material with both horizontal and vertical conductivity and electromagnetic interference shielding effectiveness. body. [Prior Art] Conductive cloth foam with electromagnetic interference (EMI) shielding property is quite popular in electronic communication products, such as mobile phones, laptop computers, personal digital assistants (PDAs), computers and Other electronic peripherals, etc. In general, the conductive cloth foam is made by laminating a through-hole polyurethane phthalate (PU) foam by a conductive cloth, for example, a conductive cloth is coated with a polyamine citric acid. The ester foam, the underside of the foam is an inner liner adhered by an adhesive tape). In detail, 'the conductive cloth can be used and the hot sol is coated thereon, and then cut into the required size, and then coated with the desired thickness and width of the polyurethane foam into a compression elastic Conductive cloth foam. A number of published patent documents disclose conductive cloth foams based on polyurethane foam. For example, us 7,078,092 B2, wo 2004/002206 Al, US 2003/0234498 A1 and the like. The commonly used polyurethane (PU) foam is used as a compressive elastic material, and then electrolessly electrolessly plated into a conductive material, and its conductivity and electromagnetic interference shielding performance can meet general requirements, but it still has Disadvantages, for example, the polyurethane foam itself is a porous polymer, which is inferior and easily embrittled. In addition, the minimum cut thickness of polyamino phthalate foams is usually 2 mm to 3 mm, and the accuracy of cutting accuracy is greatly limited, and it is increasingly demanding light, thin and short electronic products. It has been unable to meet the needs of the industry. Further, at the time of cutting, the polyurethane foam and the metal film plated thereon are liable to be brittle and fall, and the fallen debris may cause a short circuit of the electronic device. Furthermore, the bonding step results in an increase in cost. Therefore, in the application of electronic products, there is a need for an elastic foamed electrical conductor that overcomes the above disadvantages. [New Content] This creation provides an elastic foamed electrical conductor that overcomes the above disadvantages. This work uses a cloth-bonded substrate and metallizes the cloth-bonded substrate to obtain both horizontal and vertical conductivity and electromagnetic interference shielding effectiveness. Since the cloth-bonded substrate is used, the fabric-bonded elastic foamed conductor of the present invention can be cut to any desired size without substantially being? 11 foam and metal film falling off the debris. In one embodiment of the present invention, the cloth-bonded elastic foamed electrical conductor comprises a cloth-bonding substrate and a metal layer covering at least a portion of the surface of the cloth-bonding substrate, wherein the cloth-bonding substrate comprises A through-hole polyolefin foam and a sheet adhered to the through-hole polyolefin foam. In the present invention, the through-hole polyolefin foam has a M392541 of at least about 15 j/cm 2 . a hole or punch twist 'and a punch diameter of about 0.5 to about 15 mm; the metal is a group selected from the group consisting of copper, recorded, inscribed, gold, silver, titanium, stone, alloys thereof or mixtures thereof a metal composition of the group; the surface or both surfaces of the cloth-bonding substrate and the holes are covered with a metal layer; one or both surfaces of the cloth-bonding substrate and the holes are covered with one or more layers of the same or different metal layers; The through-hole polyolefin foam comprises polyethylene or polypropylene; the fabric comprises nylon, polyester plain woven or non-woven fabric. The technical features of the present writings have been broadly summarized above, so that a detailed description of the present writings below will be better understood. Other technical features that constitute the subject matter of this creation will be described below. It is to be understood by those of ordinary skill in the art that the present invention may be practiced with the same or equivalent embodiments. Those of ordinary skill in the art to which this invention pertains should also be understood that such equivalent constructions are not limited to the spirit and scope of the present invention as defined by the appended claims. [Embodiment] Fig. 1 illustrates an embodiment of the cloth-bonded elastic foamed conductor 1 of the present invention. In one embodiment of the present invention, the cloth-bonded elastic foaming conductor i includes a cloth-bonding substrate 20 and a metal layer 30 covering at least a portion of the surface of the cloth-bonding substrate 2, wherein The cloth bonding substrate 2A includes a polyolefin foam 22 and a fabric 24 bonded to one of the polyolefin foams 22. Fig. 2 exemplifies another embodiment of the cloth-bonded elastic foamed conductor 1 本 of the present invention. In one embodiment of the present invention, the cloth-bonded elastic foamed conductor 10' comprises a cloth-bonding substrate 21 and a metal layer 32, 34 covering at least a portion of the surface of the cloth-bonding substrate 20, wherein The cloth-bonding substrate 2A includes a through-hole polyolefin foam 22 and a fabric bonded to the through-hole polyolefin foam 22. In this embodiment, the cloth-bonding substrate 2 is bonded to the substrate 2 The two surfaces of the crucible are respectively metallized to form metal layers 32, 34 on both surfaces of the elastic foamed conductor shown in FIG. As used herein, the term "through-hole" means that the foam substrate has pores penetrating up and down along its thickness direction. The through-hole polyolefin foam 2 2 of the present invention is more ductile, cushioning, thickness-diversity, and restorative than other polymers. In one embodiment of the present invention, the thickness of the through-hole polyolefin foam 22 is from about 0.1 mm to about 5 mm, preferably from about 0.3 mm to about 3 mm. The appropriate thickness of the through-hole 3⁄4^-like foam 2 2 is generally determined depending on actual needs. The through-hole polyolefin foam 22 generally has a punch density of at least about 12 holes/cm2, preferably at least about 16 holes/cm2, and a punch diameter of from about 0.5 to about i_5 mm, preferably about 6 To about 1. Omm. Since the metal is deposited in the punched holes in a proportional manner after the metallization treatment, the cloth of the present invention is bonded to the elastic foamed conductors 1〇, 1〇, and has the characteristics of vertical conduction. In an embodiment of the present invention, an alloy such as, but not limited to, copper, nickel, aluminum, gold, silver, titanium, tantalum or the like or a mixture thereof may be used to form the cloth-bonded elastic foamed electrical conductor 1〇, 1 of the present invention. 〇• The metal layer on the surface is 3〇, Μ, 34. Preferably, the metal layer 30, 32, 34 formed on the surface of the cloth-bonded elastic foamed conductor of the present invention has a thickness of from about 003.003 mm to about o 〇lmm. The metal layers 30, 32, and 34 impart electromagnetic wave interference shielding performance in addition to the electrical properties of the elastic bonded foamed conductors 10 and 10 of the present invention. The following examples are intended to further illustrate this creation, but are not intended to limit the scope of the present invention. Any modifications and variations that may be readily made by those skilled in the art to which the present invention pertains are included in the disclosure of the present disclosure and the scope of the appended claims. EXAMPLES: The fabric-bonded polyolefin foam of the present invention was produced in the following manner: 1_Preparation of a through-hole polyolefin foam 22 First, a through-hole polyolefin foam substrate having the following properties was produced: 1 ·Using the principle of electronic cross-linking, the polyethylene (PE) or polypropylene (pp) molecules are cross-linked to each other 'to establish a network structure; 2. Using the foaming method, the expansion ratio is controlled to 5 times, and the polyene is controlled. The thickness of the foam substrate is 2 mm. 3. Punching or punching is performed under the punching conditions of the upper and lower reciprocating strokes, so that the substrate has a punching diameter of about 8 nirn or a needle pinhole. And a punch density of 18 holes/cm2. II. Preparation of the cloth-bonding substrate 20 The through-hole polyolefin foam 22 and any cloth, such as nylon (Nylon), polyester plain woven fabric or non-woven fabric, in a fitting manner, such as a roll coater ( GRAVURE COATER) is applied. M392541 表面. The surface modification of the cloth-bonding substrate 20 is carried out by corona (Corona) under the following operating conditions: surface modification of the foamed substrate: current 1 amp, power 2 KW, electricity The halo beam exit is 5 mm from the substrate. This surface modification treatment imparts roughness to the surface of the cloth-bonding substrate 20, and the wetting tension is raised from i〇Dyne/cm to more than 40 Dyne/cm. IV. Surface metallization treatment of the cloth-bonding substrate 20 by electroless plating method. Metallization treatment of the surface of the foam-bonded substrate is carried out according to the following procedure: Pre-dip (10% H (M, 2 minutes, 30) °C) + activation (sharp salt or tin salt, 2 minutes ' 30 ° C) + water wash (water, 2 minutes 'room temperature) to speed (1〇%hC1 '2 minutes' 30 °C) + water wash (water , 2 minutes, room temperature) + copper (copper salt '19 minutes, 45 ° C) > water wash (water, 2 minutes, room temperature) small activation (palladium salt or tin salt; 2 minutes, 30. 〇 + Washed (water, 2 minutes, room temperature) + recorded (recorded salt '3 minutes, 40. 〇) 4 washed (water, 2 minutes 'room temperature) dry today (hot air drying or hot pressing roller or drying oven, 1 ~3 minutes, 60~120 ° C) + finished product. A photograph of the cloth-bonded elastic foamed conductor obtained through the above steps is shown in Attachment 1. Next, the present fabric-bonded elastic foamed conductor was evaluated in the following manner. Performance: A. Resistance measurement method 1. Surface resistance: M392541 (1) According to DIN54345. (2) Equipment · L〇w Resistivity Meter surface sold by MITSUBISHI Resistance Tester (3) Method: a. Place the sample of elastic foamed conductor on the plastic pad b. Insert the electrode plate into the double port of the electrode plate on the machine table and lock it tightly. c. Insert one end of the ground wire into the machine. Inside the hole, one end is grounded. d. Place the machine on the elastic foamed conductor sample and let the hand leave the machine. The test value is automatically displayed. (4) Test result: The elastic foaming conductor of the creation Surface resistance value <0.1 Ω/sq 〇2. Vertical on-resistance value: (1) Equipment: GW Milli Ohm Meter. (2) Method: a. Cut the elastic foamed conductor sample to 3x3cm2. b. The foamed conductor sample is placed on the metal copper plate. c. The two upper and lower resistance detection plates are in close contact with the metal copper plate. The resistance is detected and the upper plate is loaded with a 5Kg weight for detection. (3) Test result: The vertical resistance value of the elastic foaming conductor of the present invention <0.1 Ω.οιη 〇Β ·Electromagnetic wave interference shielding value resistance value measurement method 1. According to ASTM D4935 standard M392541 2. Electromagnetic interference shielding theory is as follows: When electromagnetic wave collision When it comes to conductive shielding, it will be reversed by the shielding. The principle of reducing the intensity by the action of the laser is shown in Figure 3. The Shielding Effectiveness (SE) is usually expressed in terms of the electromagnetic field sag (dB, Decibels), where: SE = 20 log (Ei/Et) (dB) E(volts/m) electric field strength=20 log (Hi/Ht)(dB) H(amps/m) magnetic field strength=10 log(Pi/Ht)(dB) P(watts/m2) i : incident; t :penetrate
Pi :入射波；Pt :穿透波 3. 測量儀器：E5〇62A向量網路分析儀（Agilent E5062A)。 4. 本創作彈性發泡導電體之電磁波干擾遮蔽值測量結 果如圖4所示。 本創作之技術内容及技術特點已揭示如上，然而本創 作所屬技術領域中具有通常知識者應瞭解，在不背離後附 申請專利範圍所界定之本創作精神和範圍内，本創作之教 示及揭示可作種種之替換及修飾《例如，上文揭示之許多 製程可以不同之方法實施或以其它製程予以取代，或者採 用上述二種方式之組合。 此外’本案之權利範圍並不侷限於上文揭示之特定實 施例的製程、機台、製造、物質之成份、裝置、方法或步 第 099209904 號專利 4 Ι^ϊ 中文說明書替換頁(99:年7 j)， 驟。本創作所屬技術領域中具有通常知識者應瞭解v .基於 本創作教示及揭示製程、機台、製造、物質之成份、裝置 、方法或步驟，無論現在已存在或曰後開發者，其與本案 實施例揭示者係以實質相同的方式執行實質相同的功能， 而達到實質相同的結果，亦可使用於本創作。因此，以下 之申請專利範圍係用以涵蓋用以此類製程、機台、製造、 物質之成份、裝置、方法或步驟。 【圖式簡單說明】 藉由參照前述說明及下列圖式，本創作之技術特徵得 以獲得完全瞭解。 圖1例不本創作之布貼合彈性發泡導電體之一實施例； 圖2例示本創作之布貼合彈性發泡導電體之另一實施例； 圖3顯示電磁波干擾遮蔽原理之示意圖；以及 圖4顯示本創作根據八§1^ 〇4935標準測試後獲得之電磁 波干擾遮蔽效能。 【主要元件符號說明】 10、10， 布貼合彈性發泡導電體 20 布貼合基材 22 通孔性聚烯類發泡體 24 布帛 30、32、34 金屬層Pi: incident wave; Pt: penetrating wave 3. Measuring instrument: E5〇62A vector network analyzer (Agilent E5062A). 4. The electromagnetic wave interference shielding value measurement result of the present elastic foaming conductor is shown in Fig. 4. The technical content and technical features of the present invention have been disclosed as above. However, those having ordinary knowledge in the technical field of the present invention should understand that the teaching and disclosure of the present invention should be carried out without departing from the spirit and scope of the present invention as defined by the scope of the appended patent application. Various alternatives and modifications are possible. For example, many of the processes disclosed above may be implemented in different ways or in other processes, or a combination of the two. In addition, the scope of the present invention is not limited to the process, machine, manufacture, composition of matter, device, method or step 099209904 of the specific embodiment disclosed above. 4 Ι^ϊ Chinese manual replacement page (99: year) 7 j), step. Those who have ordinary knowledge in the technical field of this creation should understand v. Based on this creative teaching and revealing the process, machine, manufacturing, material composition, device, method or step, whether it exists or later, the developer and the case The embodiment revealer performs substantially the same function in substantially the same manner, and achieves substantially the same result, and can also be used in the present creation. Accordingly, the following claims are intended to cover such <RTI ID=0.0> </ RTI> </ RTI> <RTIgt; </ RTI> processes, machines, manufactures, compositions, devices, methods or steps. [Simple Description of the Drawings] By referring to the foregoing description and the following drawings, the technical features of the creation are fully understood. 1 is an embodiment of a cloth-bonded elastic foamed conductor of the present invention; FIG. 2 illustrates another embodiment of the cloth-bonded elastic foamed conductor of the present invention; FIG. 3 is a schematic view showing the principle of electromagnetic wave interference shielding; And Figure 4 shows the electromagnetic interference shielding effectiveness obtained by this creation according to the test of the eight §1^ 〇 4935 standard. [Main component symbol description] 10, 10, cloth bonded elastic foamed conductor 20 cloth bonded substrate 22 through-hole polyolefin foam 24 cloth 30, 32, 34 metal layer