JP2016091679A - Conductive cloth having sliding resistance - Google Patents

Conductive cloth having sliding resistance Download PDF

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JP2016091679A
JP2016091679A JP2014222485A JP2014222485A JP2016091679A JP 2016091679 A JP2016091679 A JP 2016091679A JP 2014222485 A JP2014222485 A JP 2014222485A JP 2014222485 A JP2014222485 A JP 2014222485A JP 2016091679 A JP2016091679 A JP 2016091679A
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conductive
ring portion
conductive sheet
sheet member
cloth
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JP6413116B2 (en
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太一 石原
Taichi Ishihara
太一 石原
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Kitagawa Industries Co Ltd
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Kitagawa Industries Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a technology which contributes to both stable grounding and enhancement in durability in a conductive sheet member.SOLUTION: A conductive sheet member 1 is structured by covering a conductive sponge 21 with a conductive cloth 11. The conductive sponge 21 and the conductive cloth 11 are bonded to each other by a conductive adhesive material 31. The conductive sheet material 1 is installed in a relative rotation sliding portion of a zoom ring portion and a focus ring portion in a telephoto lens of a digital camera, for instance, in a state of being compressed and deformed in an elastic region. Thereby, at the time of the relative rotation sliding of the zoom ring portion and the focus ring portion, a ground on a substrate arranged in the zoom ring portion can be connected to the focus ring portion in a state of being electrically stable. The conductive sponge 21 absorbs a pressing force acting on the conductive cloth 11. Thereby, both stable grounding and enhancement in durability are enabled.SELECTED DRAWING: Figure 1

Description

本発明は、第１部材と、当該第１部材に対して相対摺動する第２部材と、の摺動部に設置され、第１部材と第２部材とを電気的に接続する導電性シート部材に関する。   The present invention is a conductive sheet that is installed in a sliding portion of a first member and a second member that slides relative to the first member and electrically connects the first member and the second member. It relates to members.

特開平３−３５３０８号公報（特許文献１）には、主回路基板を収容する本体部と、当該本体部に回動可能に取り付けられた表示部と、を備えるコンピュータ装置において、本体部のグランドと表示部のグランドとを電気的に接続する薄いシート状の導電布が記載されている。   Japanese Patent Laid-Open No. 3-35308 (Patent Document 1) discloses a computer apparatus that includes a main body portion that houses a main circuit board and a display portion that is rotatably attached to the main body portion. And a thin sheet-like conductive cloth that electrically connects the ground of the display unit.

当該導電布では、小スペースに収容することができ、かつ、グランディングによる大きなノイズ低減効果を奏することができる。   The conductive cloth can be accommodated in a small space and can exhibit a large noise reduction effect due to grounding.

特開平３−３５３０８号公報JP-A-3-35308

しかしながら、上述した導電布では、表示部が本体部に対して開閉される度に、導電布が表示部および本体部に回転摺動されるため、導電布の耐久性という点、さらには摺動性、すなわち滑り易さにおいて、なお改良の余地がある。   However, in the conductive cloth described above, the conductive cloth is rotated and slid to the display section and the main body every time the display section is opened and closed with respect to the main body. There is still room for improvement in terms of sex, or slipperiness.

本発明は、上記に鑑みてなされたものであり、導電シート部材において、安定したグランディングと、耐久性向上と、良好な摺動性との併有に寄与する技術を提供することを目的とする。   The present invention has been made in view of the above, and an object of the present invention is to provide a technique that contributes to the combination of stable grounding, improved durability, and good slidability in a conductive sheet member. To do.

本発明の導電シート部材は、上述の目的を達成するために以下の手段を採った。   The conductive sheet member of the present invention employs the following means in order to achieve the above-described object.

本発明に係る導電シート部材の好ましい形態によれば、第１部材と、当該第１部材に対して相対摺動する第２部材と、の摺動部に設置され、第１部材と第２部材とを電気的に接続する導電性シート部材が構成される。当該導電性シート部材は、導電性を有する弾性体と、導電布とを備えている。そして、導電布は、繊維により構成され、弾性体を覆うように構成されている。   According to the preferable form of the electrically conductive sheet member which concerns on this invention, it is installed in the sliding part of the 1st member and the 2nd member which slides relatively with respect to the said 1st member, and the 1st member and the 2nd member And a conductive sheet member that is electrically connected to each other. The conductive sheet member includes an elastic body having conductivity and a conductive cloth. And the electrically conductive cloth is comprised with the fiber, and is comprised so that an elastic body may be covered.

なお、本発明における「導電布」は、典型的には、合成繊維などの織布、編物あるいは不織布に金属メッキや金属コート等の導電性加工を施したものがこれに該当する。また、本発明における「導電性を有する弾性体」は、典型的には、スポンジに金属メッキや金属コート等の導電性加工を施した導電スポンジがこれに該当する。   The “conductive cloth” in the present invention typically corresponds to a woven cloth, a knitted cloth or a non-woven cloth such as synthetic fibers subjected to a conductive process such as metal plating or metal coating. The “elastic body having conductivity” in the present invention typically corresponds to a conductive sponge obtained by subjecting a sponge to conductive processing such as metal plating or metal coating.

本発明によれば、第１部材と第２部材との摺動部において圧縮変形される弾性体の弾性力によって導電布を第１部材および第２部材に当接させる構成であるため、第１部材と第２部材とが相対摺動する際において第１部材と第２部材との電気的な接続を安定したものとすることができる。また、第１部材と第２部材とが相対摺動する際に導電布に作用する押圧力を弾性体によって吸収することができるため、導電布の耐久性を向上することができる。これにより、安定したグランディングと耐久性向上との両立を図ることができる。   According to the present invention, the conductive cloth is brought into contact with the first member and the second member by the elastic force of the elastic body compressed and deformed at the sliding portion between the first member and the second member. When the member and the second member slide relative to each other, the electrical connection between the first member and the second member can be stabilized. Further, since the pressing force acting on the conductive cloth when the first member and the second member slide relative to each other can be absorbed by the elastic body, the durability of the conductive cloth can be improved. This makes it possible to achieve both stable grounding and improved durability.

本発明に係る導電シート部材の更なる形態によれば、導電布は、繊維により構成されている。そして、当該繊維の太さが０.００３３〜１.１１デシテックス(０.００３〜１デニール)の範囲内となるように構成されている。   According to the further form of the electrically conductive sheet member which concerns on this invention, the electrically conductive cloth is comprised with the fiber. And the thickness of the said fiber is comprised in the range of 0.0031 to 1.11 dtex (0.003 to 1 denier).

本形態によれば、合成繊維などの織布、編物あるいは不織布に金属メッキや金属コート等の導電性加工を施すことにより導電布を構成する場合において、合成繊維自体の柔軟性を維持しながら金属メッキや金属コートが被覆される表面積を増大させることができる。これにより、良好な導電性を確保することができる。   According to this embodiment, when a conductive cloth is formed by conducting conductive processing such as metal plating or metal coating on a woven fabric, knitted fabric or non-woven fabric such as a synthetic fiber, the metal is maintained while maintaining the flexibility of the synthetic fiber itself. The surface area on which the plating or metal coating is coated can be increased. Thereby, favorable electroconductivity is securable.

また、導電布の第１部材および第２部材に対する接触面積が減少するため、その摺動抵抗を低減することができる。   Moreover, since the contact area with respect to the 1st member and 2nd member of an electrically conductive cloth reduces, the sliding resistance can be reduced.

本発明に係る導電シート部材の更なる形態によれば、導電布は、繊維を第一の方向に０.５〜１００μｍの範囲内の間隔で織り込むと共に、繊維を第一の方向に交差する第二の方向に０.５〜１５０μｍの範囲内で織り込むことにより構成されている。   According to the further form of the conductive sheet member according to the present invention, the conductive cloth weaves the fibers in the first direction at intervals in the range of 0.5 to 100 μm and crosses the fibers in the first direction. It is constituted by weaving in the range of 0.5 to 150 μm in the two directions.

本形態によれば、導電布の第１部材および第２部材に対する接触面積が減少するため、摺動抵抗を低減することができる。   According to this form, since the contact area with respect to the 1st member and 2nd member of a conductive cloth reduces, sliding resistance can be reduced.

本発明に係る導電シート部材の更なる形態によれば、弾性体は、内部に複数の空孔を有しており、空孔率が３０〜９０％、好ましくは４０〜８０％の範囲内となるように構成されている。   According to the further form of the conductive sheet member according to the present invention, the elastic body has a plurality of holes therein, and the porosity is in the range of 30 to 90%, preferably 40 to 80%. It is comprised so that it may become.

本形態によれば、導電シート部材の圧縮変形のし易さと導電性との両立を図ることができる。また圧縮変形し易くなることにより、導電布の第１部材および第２部材に対する摺動抵抗が低減するため、滑り易くなると共に、耐久性が向上する。   According to this embodiment, it is possible to achieve both the ease of compressive deformation of the conductive sheet member and the conductivity. Moreover, since it becomes easy to compressively deform, since the sliding resistance with respect to the 1st member and 2nd member of an electrically conductive cloth reduces, it becomes slippery and durability improves.

本発明に係る導電シート部材の更なる形態によれば、弾性体は、厚みが０.１〜１.０ｍｍの範囲内となるように構成されている。   According to the further form of the electrically conductive sheet member which concerns on this invention, the elastic body is comprised so that thickness may become in the range of 0.1-1.0 mm.

本形態によれば、導電シート部材の圧縮変形のし易さと導電性との両立を図ることができる。また圧縮変形し易くなることにより、導電布の第１部材および第２部材に対する摺動抵抗が低減するため、滑り易くなると共に、耐久性が向上する。   According to this embodiment, it is possible to achieve both the ease of compressive deformation of the conductive sheet member and the conductivity. Moreover, since it becomes easy to compressively deform, since the sliding resistance with respect to the 1st member and 2nd member of an electrically conductive cloth reduces, it becomes slippery and durability improves.

本発明によれば、導電シート部材において、安定したグランディングと耐久性向上との両立を図ることができる。   According to the present invention, it is possible to achieve both stable grounding and improved durability in the conductive sheet member.

本発明の実施の形態に係るに導電シート部材１の構成の概略を示す概略構成図である。It is a schematic structure figure showing the outline of the composition of conductive sheet member 1 concerning an embodiment of the invention. 導電布１１を拡大して示す拡大図である。2 is an enlarged view showing a conductive cloth 11. FIG.

次に、本発明を実施するための形態を実施例を用いて説明する。   Next, the form for implementing this invention is demonstrated using an Example.

本発明の実施の形態に係る導電シート部材１は、図１に示すように、導電布１１と、導電スポンジ２１と、導電性粘着材３１と、を備えており、これらが層状に重ね合わされたシート状に構成されている。導電シート部材１は、本発明における「導電シート部材」に対応する実施構成の一例である。   As shown in FIG. 1, the conductive sheet member 1 according to the embodiment of the present invention includes a conductive cloth 11, a conductive sponge 21, and a conductive adhesive material 31, which are layered. It is configured as a sheet. The conductive sheet member 1 is an example of an implementation configuration corresponding to the “conductive sheet member” in the present invention.

導電布１１は、図２に示すように、合成繊維１３を織り込むことにより構成された織布に金属メッキや金属コート等の導電加工を施すことにより構成されている。合成繊維１３は太さが０.００３３〜１.１１デシテックス(０.００３〜１デニール)の範囲内となるように構成されており、織布は当該合成繊維を第一の方向(実施例では横方向)間隔Ｌａが０.５〜１００μｍの範囲内となるように織り込むと共に、該第一方向に交差する方向(実施例では縦方向)間隔Ｌｏが０.５〜１５０μｍの範囲内となるように織り込むことにより構成されている。本発明における「導電布」に対応し、合成繊維１３は、本発明における「繊維」に対応する実施構成の一例である。   As shown in FIG. 2, the conductive cloth 11 is formed by conducting conductive processing such as metal plating or metal coating on a woven cloth formed by weaving synthetic fibers 13. The synthetic fiber 13 is configured to have a thickness within a range of 0.0031 to 1.11 dtex (0.003 to 1 denier), and the woven fabric has the synthetic fiber in the first direction (in the example, (Horizontal direction) Weaving is performed so that the interval La is in the range of 0.5 to 100 μm, and the direction (vertical direction in the embodiment) intersecting the first direction is such that the interval Lo is in the range of 0.5 to 150 μm. It is configured by weaving into. Corresponding to the “conductive cloth” in the present invention, the synthetic fiber 13 is an example of an implementation configuration corresponding to the “fiber” in the present invention.

導電スポンジ２１は、ウレタンスポンジに金属メッキや金属コート等の導電性加工を施すことにより構成されている。導電スポンジ２１は、内部に複数の空孔を有しており、空孔率が３０〜９０％、好ましくは４０〜８０％の範囲内となるように構成されている。また、導電スポンジ２１は、厚みが０.１〜１.０ｍｍの範囲内となるように構成されている。   The conductive sponge 21 is configured by subjecting urethane sponge to conductive processing such as metal plating or metal coating. The conductive sponge 21 has a plurality of pores therein, and the porosity is 30 to 90%, preferably 40 to 80%. The conductive sponge 21 is configured to have a thickness in the range of 0.1 to 1.0 mm.

導電性粘着材３１は、導電布１１と導電スポンジ２１とを接着する第１層３１ａと、導電スポンジ２１とズームリング部あるいはフォーカスリング部とを接着する第２層３１ｂと、から構成されている。導電性粘着材３１は、ベース粘着材としてのアクリル系粘着材に、導電フィラーとしての金属フィラーを配合したものである。ベース粘着材としては、シリコーン系粘着材やウレタン系粘着材、ゴム系粘着材等を用いても良いし、熱可塑性樹脂（ホットメルト接着剤）を用いても良い。また、金属フィラーとしては、Ｎｉパウダーや銀メッキガラスビーズ等を用いることができ、粒径は、一般的な数μｍ〜数十μｍ程度のものを用いることができる。なお、導電フィラーとしては、金属フィラーに代えてカーボンフィラーを用いても良い。   The conductive adhesive 31 includes a first layer 31a that bonds the conductive cloth 11 and the conductive sponge 21, and a second layer 31b that bonds the conductive sponge 21 and the zoom ring portion or the focus ring portion. . The conductive adhesive material 31 is obtained by blending an acrylic adhesive material as a base adhesive material with a metal filler as a conductive filler. As the base adhesive material, a silicone-based adhesive material, a urethane-based adhesive material, a rubber-based adhesive material or the like may be used, or a thermoplastic resin (hot melt adhesive) may be used. Moreover, as a metal filler, Ni powder, a silver plating glass bead, etc. can be used, and a thing with a general particle size of about several micrometers-several dozen micrometer can be used. As the conductive filler, a carbon filler may be used instead of the metal filler.

次に、こうして構成された導電シート部材１の動作について説明する。本実施の形態にかかる導電シート部材１は、例えば、基板を有するズームリング部と、当該ズームリング部に対して回転摺動するフォーカスリング部と、を備えるデジタルカメラの望遠レンズに適用される。ズームリング部は、本発明における「第１部材」または「第２部材」に対応し、フォーカスリング部は、本発明における「第２部材」または「第１部材」に対応する実施構成の一例である。   Next, the operation of the conductive sheet member 1 thus configured will be described. The conductive sheet member 1 according to the present embodiment is applied to a telephoto lens of a digital camera including, for example, a zoom ring portion having a substrate and a focus ring portion that rotates and slides with respect to the zoom ring portion. The zoom ring portion corresponds to the “first member” or “second member” in the present invention, and the focus ring portion is an example of an implementation configuration corresponding to the “second member” or “first member” in the present invention. is there.

具体的には、本発明の実施の形態に係る導電シート部材１は、ズームリング部とフォーカスリング部との相対回転摺動部に設置され、基板上のグランドを電気的にフォーカスリング部に接続することによってグランディング電位を安定化して基板からの放射ノイズを抑制する。ここで、導電シート部材１は、弾性域内で圧縮変形された状態でズームリング部とフォーカスリング部との相対回転摺動部に設置される。   Specifically, the conductive sheet member 1 according to the embodiment of the present invention is installed in a relative rotation sliding portion between the zoom ring portion and the focus ring portion, and electrically connects the ground on the substrate to the focus ring portion. This stabilizes the grounding potential and suppresses radiation noise from the substrate. Here, the conductive sheet member 1 is installed in a relative rotation sliding portion between the zoom ring portion and the focus ring portion in a state of being compressed and deformed in the elastic region.

これにより、適当な圧力をもって導電布１１をズームリング部およびフォーカスリング部に当接させることができる。この結果、ズームリング部とフォーカスリング部とが相対回転摺動する際においてもズームリング部とフォーカスリング部との電気的な接続を安定したものとすることができる。しかも、ズームリング部とフォーカスリング部とが相対摺動する際に導電布１１に作用する押圧力を導電スポンジ２１によって吸収することができるため、導電布１１の耐久性を向上することができる。   Accordingly, the conductive cloth 11 can be brought into contact with the zoom ring portion and the focus ring portion with an appropriate pressure. As a result, the electrical connection between the zoom ring portion and the focus ring portion can be stabilized even when the zoom ring portion and the focus ring portion slide relative to each other. Moreover, since the pressing force acting on the conductive cloth 11 when the zoom ring part and the focus ring part slide relative to each other can be absorbed by the conductive sponge 21, the durability of the conductive cloth 11 can be improved.

なお、導電スポンジ２１の空孔率が３０〜９０％、好ましくは４０〜８０％の範囲内および導電スポンジ２１の厚みが０.１〜１.０ｍｍの範囲内では、導電スポンジ２１を圧縮するために要する圧縮力が比較的低く、しかも、当該範囲内において導電シート部材１の抵抗値が極小値を有するため、導電シート部材１の圧縮変形のし易さと導電性との両立を図ることが確認された。   In order to compress the conductive sponge 21, the porosity of the conductive sponge 21 is in the range of 30 to 90%, preferably 40 to 80% and the thickness of the conductive sponge 21 is in the range of 0.1 to 1.0 mm. It is confirmed that the compressive force required for the conductive sheet member 1 is relatively low and the resistance value of the conductive sheet member 1 has a minimum value within the range, so that the conductive sheet member 1 can be easily compressed and deformed and has both conductivity. It was done.

また、合成繊維１３の太さが０.００３３〜１.１１デシテックス(０.００３〜１デニール)の範囲内に設定することにより、合成繊維１３の柔軟性を維持しながら金属メッキや金属コートが被覆される表面積を増大させることができる。これにより、良好な導電性を確保することができる。   Further, by setting the thickness of the synthetic fiber 13 within the range of 0.0031 to 1.11 dtex (0.003 to 1 denier), the metal plating or the metal coat can be applied while maintaining the flexibility of the synthetic fiber 13. The surface area to be coated can be increased. Thereby, favorable electroconductivity is securable.

さらに繊維太さが上記範囲内にあることで、導電シート部材１が摺動的に接触するズームリング部またはフォーカスリング部に対する接触面積が低減するため、その摺動抵抗が低減され、ズームリング部およびフォーカスリング部の相対回転摺動がよりスムーズとなることが確認された。   Further, since the fiber thickness is within the above range, the contact area with respect to the zoom ring portion or the focus ring portion with which the conductive sheet member 1 is slidably contacted is reduced, so that the sliding resistance is reduced, and the zoom ring portion It was also confirmed that the relative rotation sliding of the focus ring part was smoother.

さらに、合成繊維１３の第一の方向間隔Ｌａが０.５〜１００μｍの範囲内、かつ、第一の方向に交差する第二の方向間隔Ｌｏが０.５〜１５０μｍの範囲内において、導電布１１の摺動摩擦力が極小値を有するため、ズームリング部およびフォーカスリング部の回転摺動抵抗を低減することが確認された。   Furthermore, in the range where the first direction interval La of the synthetic fiber 13 is in the range of 0.5 to 100 μm and the second direction interval Lo intersecting the first direction is in the range of 0.5 to 150 μm, the conductive cloth Since the sliding frictional force 11 has a minimum value, it was confirmed that the rotational sliding resistance of the zoom ring portion and the focus ring portion was reduced.

なお実施例においては、第一の方向と、この第一の方向と公差する第二の方向とは、略直角となっているが、本発明はこれに限定されず、例えば第一の方向と第二の方向との交差角度が３０度以上であれば問題なく、さらに合成繊維１３を、第一の方向に延在する繊維、第二の方向に延在する繊維だけでなく、第三の方向に延在する繊維の三の方向の繊維等の、三つ以上の方向に夫々延在する複数の繊維から構成するようにしてもよい。   In the embodiment, the first direction and the second direction having tolerance with the first direction are substantially perpendicular, but the present invention is not limited to this. For example, the first direction If the crossing angle with the second direction is 30 degrees or more, there is no problem, and further, the synthetic fiber 13 is not only a fiber extending in the first direction, a fiber extending in the second direction, You may make it comprise from the some fiber each extended in three or more directions, such as a fiber of the three directions of the fiber extended in a direction.

本実施形態では、合成繊維１３を織り込むことにより構成された織布を用いる構成としたが、不織布を用いる構成としても構わない。   In the present embodiment, the woven fabric configured by weaving the synthetic fibers 13 is used, but a configuration using a nonwoven fabric may be used.

本実施形態では、合成繊維１３の太さ、織り込み間隔、導電スポンジ２１の空孔率および厚みの全てを所定範囲内の値に設定する構成としたが、これに限らない。例えば、合成繊維１３の太さ、織り込み間隔、導電スポンジ２１の空孔率および厚みのいずれか１つのみを所定範囲内の値に設定する構成や、合成繊維１３の太さ、織り込み間隔、導電スポンジ２１の空孔率および厚みのうちの任意の２つあるいは３つを所定範囲内の値に設定する構成としても構わない。   In the present embodiment, the thickness, the weaving interval, the porosity and the thickness of the conductive sponge 21 of the synthetic fiber 13 are all set to values within a predetermined range, but the present invention is not limited to this. For example, a configuration in which only one of the thickness, weaving interval, porosity and thickness of the conductive sponge 21 of the synthetic fiber 13 is set to a value within a predetermined range, the thickness of the synthetic fiber 13, the weaving interval, the conductivity Any two or three of the porosity and thickness of the sponge 21 may be set to a value within a predetermined range.

本実施形態では、基板を有するズームリング部と、当該ズームリング部に対して回転摺動するフォーカスリング部と、を備えるデジタルカメラの望遠レンズに適用する構成としたが、これに限らない。
（実施形態の各構成要素と本発明の各構成要素の対応関係）
本実施形態は、本発明を実施するための形態の一例を示すものである。したがって、本発明は、本実施形態の構成に限定されるものではない。 In this embodiment, the zoom ring unit having a substrate and a focus ring unit that rotates and slides with respect to the zoom ring unit are applied to a telephoto lens of a digital camera. However, the present invention is not limited to this.
(Correspondence between each component of the embodiment and each component of the present invention)
This embodiment shows an example for carrying out the present invention. Therefore, the present invention is not limited to the configuration of the present embodiment.

１ 導電シート部材
１１ 導電布
１３ 合成繊維
２１ 導電スポンジ
３１ 導電性粘着材
Ｌａ 横方向間隔
Ｌｏ 縦方向間隔 DESCRIPTION OF SYMBOLS 1 Conductive sheet member 11 Conductive cloth 13 Synthetic fiber 21 Conductive sponge 31 Conductive adhesive material La Horizontal space | interval Lo Vertical space | interval

Claims (5)

第１部材と、該第１部材に対して相対摺動する第２部材と、の摺動部に設置され、前記第１部材と前記第２部材とを電気的に接続する導電性シート部材であって、
導電性を有する弾性体と、
繊維により構成され前記弾性体を覆設するよう構成された導電布と、を備える
ことを特徴とする導電シート部材。 A conductive sheet member that is installed at a sliding portion of the first member and the second member that slides relative to the first member and electrically connects the first member and the second member. There,
An elastic body having electrical conductivity;
And a conductive cloth configured to cover the elastic body. The conductive sheet member is characterized by comprising: 前記導電布は、繊維により構成されており、
前記繊維の太さが０.００３３〜１.１１デシテックスの範囲内となるよう構成されている請求項１に記載の導電シート部材。 The conductive cloth is made of fiber,
The conductive sheet member according to claim 1, wherein the thickness of the fiber is configured to be within a range of 0.0031 to 1.11 dtex. 前記導電布は、前記繊維を第一の方向に０.５〜１００μｍの範囲内の間隔で織り込むと共に、前記繊維を第一の方向に交差する第二の方向に０.５〜１５０μｍの範囲内で織り込むことにより構成されている請求項１または２に記載の導電シート部材。   The conductive cloth weaves the fibers in the first direction at intervals in the range of 0.5 to 100 μm, and the fibers in the second direction intersecting the first direction in the range of 0.5 to 150 μm. The conductive sheet member according to claim 1, wherein the conductive sheet member is configured by weaving. 前記弾性体は、内部に複数の空孔を有しており、空孔率が３０〜９０％の範囲内となるよう構成されている請求項１〜３のいずれか１項に記載の導電シート部材。   The conductive sheet according to any one of claims 1 to 3, wherein the elastic body has a plurality of holes therein and has a porosity in a range of 30 to 90%. Element. 前記弾性体は、厚みが０.１〜１.０ｍｍの範囲内となるよう構成されている請求項１〜４のいずれか１項に記載の導電シート部材。   The conductive sheet member according to any one of claims 1 to 4, wherein the elastic body is configured to have a thickness within a range of 0.1 to 1.0 mm.
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