JPH0679036U - Rubber switch cover member - Google Patents
Rubber switch cover memberInfo
- Publication number
- JPH0679036U JPH0679036U JP1988293U JP1988293U JPH0679036U JP H0679036 U JPH0679036 U JP H0679036U JP 1988293 U JP1988293 U JP 1988293U JP 1988293 U JP1988293 U JP 1988293U JP H0679036 U JPH0679036 U JP H0679036U
- Authority
- JP
- Japan
- Prior art keywords
- cover member
- switch cover
- rubber switch
- transparent
- rubber
- 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
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Manufacture Of Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
(57)【要約】 （修正有）
【目的】 本考案は光透過性と電磁波シールド性を有
することから、無線機、携帯用電話機、自動車用電話
機、車載用のナビゲーションシステムなどの電子機器な
どに有用とされるゴム製スイッチ用カバー部材の提供を
目的とするものである。
【構成】 本考案のゴム製スイッチ用カバー部材は、
キートップ部２、ドーム部３、脚部４、可動接点部５か
らなるゴム製スイッチ用カバー部材１の表面もしくは裏
面の全部または一部に、透明または半透明の導電性膜６
を設けるとこの導電性膜６によって電磁波シールド性に
なるというものである。
(57) [Summary] (Modified) [Purpose] Since the present invention has optical transparency and electromagnetic wave shielding properties, it is suitable for electronic devices such as radios, mobile phones, car phones, and car navigation systems. An object of the present invention is to provide a useful rubber switch cover member. [Structure] The rubber switch cover member of the present invention is
A transparent or semi-transparent conductive film 6 is formed on all or part of the front surface or the back surface of the rubber switch cover member 1 including the key top portion 2, the dome portion 3, the leg portion 4, and the movable contact portion 5.
Is provided, the conductive film 6 provides an electromagnetic wave shielding property.
Description
【０００１】[0001]
本考案はゴム製スイッチ用カバー部材、特にはその表面もしくは裏面に電磁波 シールド層を設けることによって装置内への電磁波などの侵入を防止した、無線 機、携帯電話機、自動車電話機、車載用のナビゲーションシステムなどの電子機 器用の押釦スイッチに有用とされるゴム製スイッチ用カバー部材に関するもので ある。 The present invention is a navigation system for a wireless device, a mobile phone, a car phone, and an in-vehicle navigation system, in which an electromagnetic wave shield layer is provided on the cover member for a rubber switch, particularly on the front surface or the back surface thereof, to prevent the electromagnetic wave from entering the device. The present invention relates to a rubber switch cover member that is useful as a push button switch for electronic devices such as.
【０００２】[0002]
近年、押釦スイッチの押釦部にはゴム製スイッチ用カバー部材が多用されてお り、このものは外装が優れており、また多数のキー部が一体成型されていること から、各種産業機器における入力用として広く利用されており、これはまた任意 の形状として光透過部を有するものが携帯電話をはじめとする各種機器の入力パ ネルとして広く利用されている。 In recent years, rubber switch cover members have been frequently used in the push button section of push button switches. This has an excellent exterior and a large number of key sections are integrally molded. It is widely used as an input panel for various devices such as mobile phones, which has a light-transmitting part as an arbitrary shape.
【０００３】 しかし、最近の携帯電話に見られるように、電波を利用した電子機器の広まり に伴なってこれにはこれに使用される電波の周波数がメガヘルツ帯からギカヘル ツ帯へと高周波に移行する動きがみられ、これに伴なって電子部品を保護するた めの装置自体の電磁波シールドが重要になりつつある。 したがって、これまではケースなどにアルミニウムを蒸着させるだけのシール ドで十分であったものが、今後は表面パネルとして用いられるゴム製スイッチ用 カバー部材にも同様のシールド効果を具備させる要求が高まっている。However, as seen in recent mobile phones, with the spread of electronic devices that use radio waves, the frequency of the radio waves used for this is shifting from the megahertz band to the high frequency band in the gigahertz band. There is a tendency to move, and along with this, the electromagnetic wave shield of the device itself for protecting electronic parts is becoming important. Therefore, in the past, shielding that was sufficient to vapor-deposit aluminum on a case was sufficient, but in the future, there will be an increasing demand for rubber switch cover members used as front panels to have the same shielding effect. There is.
【０００４】[0004]
しかして、このゴム製スイッチ用カバー部材のシールドについては、キートッ プ部の光透過性が必要なために、このスイッチ用カバー部材に直接電磁波シール ド層を設けることができず、銅箔などを別途基板の下部に設置することによりシ ールド効果をもたせていたのであるが、これには部品点数の増加、アッセンブリ ー性の低下などの問題があり、小型化、薄型化、コストの面で著しい障害となっ ている。 また、このゴム製スイッチ用カバー部材についてはその成形前に原料中にカー ボンなどの導電性フィラーを添加して導電性とすることができるけれども、この ものは電気抵抗値が高く、広い周波数で十分なシールド効果が得られず、また成 形体が黒色などに着色していて光透過性がなくなり、光透過性を有するゴム製押 釦スイッチにはならないという欠点もある。 With regard to the shield of this rubber cover member for switches, it is not possible to directly provide an electromagnetic shield layer on the cover member for switches because the key top portion needs to be light-transmissive, and copper foil or the like cannot be provided. The shield effect was provided by installing it separately on the bottom of the board, but this has problems such as an increase in the number of parts and deterioration in assembly, and it is remarkable in terms of downsizing, thinning, and cost. It is an obstacle. Although the rubber switch cover member can be made conductive by adding a conductive filler such as carbon to the raw material before molding, it has a high electric resistance value and a wide frequency range. There is also a drawback that a sufficient shielding effect cannot be obtained, and that the molded body is colored in black or the like and loses the light transmittance, so that a rubber push button switch having light transmittance cannot be obtained.
【０００５】[0005]
本考案はこのような不利、欠点を解決したゴム製スイッチ用カバー部材に関す るものであり、これはゴム製スイッチ用カバー部材の表面もしくは裏面の全面ま たは一部に透明または半透明の導電性をもつ電磁波シールド層を設けてなること を特徴とするものである。 The present invention relates to a rubber switch cover member that solves such disadvantages and drawbacks, and it is transparent or semi-transparent on the whole or part of the front surface or the back surface of the rubber switch cover member. It is characterized by being provided with an electromagnetic wave shield layer having conductivity.
【０００６】 すなわち、本考案者らは光透過性を有し、かつ電磁波シールド機能をもつゴム 製スイッチ用カバー部材の安価な工業的製造方法について種々検討した結果、金 型中での加熱、加圧という常法で成形したゴム製スイッチ用カバー部材の表面ま たは裏面の全部または一部に、透明または半透明の導電性の層を接着、固化させ れば、このゴム製スイッチ用カバー部材を光透過性を有し、電磁波シールド機能 をもつものとすることができることを見出し、ここに使用する導電性層の種類お よびその成膜法についての研究を進めて本考案を完成させた。 以下にこれをさらに詳述する。That is, as a result of various investigations by the inventors on an inexpensive industrial manufacturing method of a cover member for a rubber switch having a light transmitting property and an electromagnetic wave shielding function, as a result of heating and heating in a mold. If a transparent or semi-transparent conductive layer is adhered and solidified on all or part of the front surface or the back surface of the rubber switch cover member formed by the conventional method of pressure, this rubber switch cover member It was found that the material can have a light-transmitting property and an electromagnetic wave shielding function, and the present invention was completed by conducting research on the type of conductive layer used here and the film forming method thereof. This will be described in more detail below.
【０００７】[0007]
本考案のゴム製スイッチ用カバー部材は前記したように、ゴム製スイッチ用カ バー部材の表面もしくは裏面の全部または一部に透明または半透明の導電性をも つ電磁波シールド層を設けたことを特徴とするものであるが、このものはこの導 電性層が透明または半透明のものであることから、このゴム製スイッチ用カバー 部材は光透過性をもち、電子機器からの高周波による電磁波障害を防止できるも のになるという有利性が与えられる。 As described above, the rubber switch cover member of the present invention has a transparent or semitransparent conductive electromagnetic wave shield layer on all or part of the front or back surface of the rubber switch cover member. This rubber switch cover is transparent, and because this conductive layer is transparent or semi-transparent, it has a light-transmitting property, and electromagnetic interference caused by high frequencies from electronic devices is a characteristic of this product. The advantage of being able to prevent is given.
【０００８】 本考案のゴム製スイッチ用カバー部材自体は従来の方法で作られたものとすれ ばよい。したがって、これは天然ゴム、またはポリブタジエン、ポリイソプレン 、ＳＢＲ、ネオプレンなどのジエン系合成ゴム、エチレンプロピレン系、ウレタ ン系、シリコーン系などの合成ゴム、あるいはこれらの組み合わせから作られた ものとすればよいが、このものは照光部が透明または半透明でなければならない ので、透明性がよく、耐熱性、耐候性に優れているシリコーンゴム製とすること がよいが、この成形は圧縮成型、射出成型、トランスファー成型など従来の方法 による多数個取りによって作られたものとすればよい。The rubber switch cover member of the present invention may be manufactured by a conventional method. Therefore, if it is made of natural rubber, diene synthetic rubber such as polybutadiene, polyisoprene, SBR, or neoprene, synthetic rubber such as ethylene propylene, urethane or silicone, or a combination thereof. However, since the illuminated part of this product must be transparent or semi-transparent, it is recommended to use silicone rubber, which has excellent transparency, heat resistance, and weather resistance. It may be made by a large number of conventional methods such as molding and transfer molding.
【０００９】 本考案のゴム製スイッチ用カバー部材は、この従来の方法で作られたゴム製ス イッチ用カバー部材の表面もしくは裏面の全部または一部に透明または半透明の 導電性層を設けることによって、これに電磁波シールド機能を具備させたもので ある。 ここに使用される透明または半透明の導電性膜としては、Ｐｔ、Ａｕ、Ａｇ、 Ｃｕ、Ｎｉ、Ａｌ、Ｔｉなどの金属膜、SnO2、In2O3 、CdO 、ZnO 、CdSuO4、In O3：SnO2、SnO2：Sb、SnO2：As、SnO2：Feなどの金属酸化物または複合酸化物な どが例示されるが、これらの成膜はスプレー法、真空蒸着法、スパッタ法、イオ ンプレーティング法、化学反応などで行えばよい。In the rubber switch cover member of the present invention, a transparent or translucent conductive layer is provided on all or part of the front surface or the back surface of the rubber switch cover member manufactured by the conventional method. Therefore, it is equipped with an electromagnetic wave shielding function. The transparent or semi-transparent conductive film is used herein, Pt, Au, Ag, Cu , Ni, Al, a metal film such as Ti, S n O 2, I n2 O 3, C d O, Z n O, C d S u O 4 , I n O 3: S n O 2, S n O 2: S b, S n O 2: a s, S n O 2: metal oxide or a composite oxide such as F e Examples of such materials include spraying, vacuum deposition, sputtering, ion plating, and chemical reaction.
【００１０】 本考案のゴム製スイッチ用カバー部材は上記したように従来公知のゴム製スイ ッチ用カバー部材に上記した種類の透明または半透明の導電性膜を成膜すること によって得られるが、これはそのまま使用してもよいし、この表面に印刷したり 、またはこれに任意の形状で光透過部を形成して電磁波シールド性照光式押釦ス イッチ用カバー部材としてもよい。The rubber switch cover member of the present invention is obtained by forming a transparent or semi-transparent conductive film of the above-mentioned type on the conventionally known rubber switch cover member as described above. This may be used as it is, or may be printed on the surface thereof, or a light transmitting portion may be formed in an arbitrary shape on the surface to serve as a cover member for an electromagnetic wave shield type illuminated push button switch.
【００１１】 つぎに本考案のゴム製スイッチ用カバー部材を添付の図面にもとづいて説明す る。図１は本考案のゴム製スイッチ用カバー部材の縦断面図を示したものであり 、このものはキートップ部２、ドーム部３、脚部４、可動接点部５からなる押釦 スイッチ用カバー部材１のキートップ部２、ドーム３、脚部４の表面を覆うよう に透明または半透明の導電性膜６を接着させてなるものであるが、この導電性膜 ６はこの押釦スイッチ用カバー部材１がシリコーンゴムで作られているときには 必要に応じてその表面にシリコーン系のシーラント、プライマーを塗布したのち 、ここにスパッタ法などで設ければよい。Next, the rubber switch cover member of the present invention will be described with reference to the accompanying drawings. FIG. 1 is a vertical sectional view of a rubber switch cover member according to the present invention, which is a cover member for a push button switch including a key top portion 2, a dome portion 3, a leg portion 4 and a movable contact portion 5. 1. A transparent or semi-transparent conductive film 6 is adhered so as to cover the surfaces of the key top portion 2, the dome 3, and the leg portion 4 of FIG. 1. The conductive film 6 is the cover member for the push button switch. When 1 is made of silicone rubber, a silicone-based sealant or primer may be applied to the surface thereof if necessary, and then the surface may be provided by a sputtering method or the like.
【００１２】 また、図２、図３、図４は図１に示したゴム製スイッチ用カバー部の応用例を 示した縦断面図を示したもので、図２のものは図１に示したゴム製スイッチ用カ バー部材のキートップ部２の上にこれと接着する材料で任意の文字、図形７を印 刷したもの、図３のものは図１に示したゴム製スイッチ用カバー部材の表面にこ れと接着する着色塗料Ａで遮光性塗膜８を塗布し、そのキートップ上面に所定の パターンをレーザー光を照光してその塗布部分を部分的に取り除き、ここに透光 部９を形成したもの、また図４は図１に示したゴム製スイッチ用カバー部材のキ ートップ表面にこれに接着する透明または光が透過する程度に薄く着色された塗 料Ｂで部分的に塗膜10を形成し、この上に前記した着色塗料Ａで遮光性塗膜８を 作り、以下図３のものと同様の方法で透光部９を作成したものである。2, FIG. 3, and FIG. 4 are vertical cross-sectional views showing an application example of the rubber switch cover portion shown in FIG. 1, and FIG. 2 is shown in FIG. The rubber switch cover member key top portion 2 is printed with arbitrary characters and figures 7 with a material that adheres to the key top portion 2. FIG. 3 shows the rubber switch cover member shown in FIG. A light-shielding coating film 8 is applied to the surface with a colored paint A that adheres to the surface, and a predetermined pattern is illuminated with laser light on the upper surface of the key top to partially remove the applied portion, and the light transmitting portion 9 is provided. 4 and FIG. 4 is a partial coating film with a transparent or lightly colored coating B adhered to the key top surface of the rubber switch cover member shown in FIG. 10 is formed, and a light-shielding coating film 8 is formed on this with the above-mentioned coloring paint A. It is obtained by creating a transparent portion 9 in a manner similar to that of Figure 3 below.
【００１３】[0013]
つぎに本考案の実施例をあげが、例中の部は重量部を示したものである。 実施例１ シリコーンゴム：ＫＥ-951Ｕ［信越化学工業（株）製商品名］ 100部にカーボ ンブラック40部を混合した物を金型内で 180℃、 200kg/cm2で成形して直径４mm 、厚さ 0.5mmの可動接点を作り、ついでこれを金型内に載置し、ここにシリコー ンゴム：ＫＥ-951Ｕ（前出） 100部に加硫材Ｃ−８［信越化学工業（株）製商品 名］２部を加えたシリコーンゴムコンパウンドを充填し、 180℃、30kg/cm2に加 熱加圧してゴム製スイッチ用カバー部材が10個連接された透明な成形体を作った 。 ついでこのゴム製スイッチ用カバー部材を熱風循環乾燥機に入れ、 200℃、４ 時間処理し、揮発分を十分に除去したのち、裏面の接点部を保護する目的でポリ エチレンテレフタレートシート（以下ＰＥＴシートと略す）を覆い仮止めした。Next, examples of the present invention will be given. In the examples, parts are parts by weight. Example 1 Silicone rubber: KE-951U [trade name of Shin-Etsu Chemical Co., Ltd.] A mixture of 100 parts of carbon black and 40 parts of carbon black was molded in a mold at 180 ° C. and 200 kg / cm 2 , and the diameter was 4 mm. , A 0.5 mm thick movable contact was made, and this was then placed in a mold, where 100 parts of silicone rubber: KE-951U (explained above) was added to the vulcanized material C-8 [Shin-Etsu Chemical Co., Ltd.]. Product name] Silicone rubber compound with 2 parts added was filled and heated to 180 ° C and 30 kg / cm 2 under pressure to form a transparent molded body in which 10 rubber switch cover members were connected. Then, put this rubber switch cover member in a hot air circulation dryer and treat it at 200 ° C for 4 hours to remove volatile components sufficiently, and then to protect the contact part on the back side, a polyethylene terephthalate sheet (hereinafter PET sheet). Abbreviated) and temporarily fixed.
【００１４】 つぎに、これを真空蒸着装置・ＶＰＣ-410Ａ［真空機工（株）製商品名］に投 入し、蒸着物として金属アルミニウム（以下Ａｌと略す）を用い、真空度約５× 10-5torr、蒸着源電流設定値25（約 2.5ボルト、50アンペア）、この時のヒータ ー温度約 1,300℃の条件にて１分間蒸着を行ってサンプルを作ったのち、この裏 面のＰＥＴシートをはがし、表面にＡｌがコーティングされたゴム製スイッチ用 カバー部材を得た。 このサンプルはＡｌ膜厚約 150オングストローム、表面抵抗値約 1.5Ω／□、 光透過率約10％のＡｌ導電性皮膜をもったスイッチ用カバー部材であり、このも のの電磁波シールド機能は 100ＭＨｚで65ｄＢ、１ＧＨｚで50ｄＢであった。Next, this was put into a vacuum vapor deposition apparatus VPC-410A [trade name of Vacuum Kiko Co., Ltd.], and metallic aluminum (hereinafter abbreviated as Al) was used as a vapor deposition material, and the degree of vacuum was about 5 × 10 5. -5 torr, evaporation source current set value 25 (about 2.5 volts, 50 amps), heater temperature at this time, about 1300 ° C, was evaporated for 1 minute to make a sample and then the PET sheet on the back side. It was peeled off to obtain a rubber switch cover member whose surface was coated with Al. This sample is a switch cover member with an Al film thickness of about 150 Å, a surface resistance value of about 1.5 Ω / □, and an Al conductive film with a light transmittance of about 10%. Its electromagnetic wave shielding function is 100 MHz. It was 65 dB and 50 dB at 1 GHz.
【００１５】 実施例２ 実施例１と同様にして作成し熱処理、裏面マスキングしたゴム製スイッチ用カ バー部材をスパッタリング装置・ＳＰＦ-210Ｈ［日電アネルバ（株）製商品名］ に投入し、蒸着物を酸化インジウム（10ｗｔ％Ｓｎ、ＩＴＯと略す）を用い、真 空度５×10-2torr、スパッタ電力 300Ｗにて１分間成膜を行ってサンプルを作っ たところ、このもは膜厚 3,300オングストローム、表面抵抗値約17Ω／□、光透 過率約90％のＩＴＯ導電性皮膜をもったスイッチ用カバー部材であり、このもの の電磁波シールド機能は 100ＭＨｚで60ｄＢ、１ＧＨｚで50ｄＢであった。Example 2 A rubber cover member for a switch, which was prepared in the same manner as in Example 1 and subjected to heat treatment and back surface masking, was put into a sputtering device SPF-210H [trade name of Nichiden Anerva Co., Ltd.] to deposit a vapor deposition product. Was formed using indium oxide (10 wt% Sn, abbreviated as ITO) at a vacuum of 5 × 10 -2 torr and a sputtering power of 300 W for 1 minute to form a sample. This film has a thickness of 3,300 angstroms. A cover member for a switch having an ITO conductive film having a surface resistance value of about 17 Ω / □ and a light transmittance of about 90%. The electromagnetic wave shielding function of this switch member was 60 dB at 100 MHz and 50 dB at 1 GHz.
【００１６】[0016]
本考案はゴム製スイッチ用カバー部材に関するものであり、これは前記したよ うにゴム製スイッチ用カバー部材の表面もしくは裏面の全部または一部に、透明 または半透明の導電性をもつ電磁波シールド層を設けてなることを特徴とするも のであるが、このものは従来公知のゴム製スイッチ用カバー部材の表面または裏 面に透明または半透明の導電膜を設けたものであり、この導電性膜が電子機器か ら発振される高周波による電磁波障害を防止する電磁波シールド性を示すので、 これは光透過性と電磁波シールド性をもつものとなり、無線機、携帯電話機、自 動車用電話機などの電子機器用などに有用なものになるという有利性を示す。 The present invention relates to a rubber switch cover member, which has a transparent or semitransparent conductive electromagnetic wave shield layer on all or part of the front or back surface of the rubber switch cover member as described above. This is characterized in that a transparent or semi-transparent conductive film is provided on the surface or the back surface of a conventionally known cover member for rubber switches, which is a conductive film. It exhibits electromagnetic wave shielding properties that prevent electromagnetic interference due to the high frequencies oscillated from electronic devices, so it has optical transparency and electromagnetic wave shielding properties, and can be used for electronic devices such as radios, mobile phones, and automobile telephones. It has the advantage that it will be useful for such purposes.
【図１】本考案のゴム製スイッチ用カバー部材の縦断面
図を示したものである。FIG. 1 is a vertical sectional view of a rubber switch cover member of the present invention.
【図２】図１のゴム製スイッチ用カバー部材のキートッ
プ部に文字、図形などを印刷した本考案のゴム製スイッ
チ用カバー部材の縦断面図を示したものである。FIG. 2 is a vertical cross-sectional view of the rubber switch cover member of the present invention in which characters, figures and the like are printed on the key tops of the rubber switch cover member of FIG.
【図３】図１のゴム製スイッチ用カバー部材に遮光性塗
膜と透光部を設けた本考案のゴム製スイッチ用カバー部
材の縦断面図を示したものである。FIG. 3 is a vertical cross-sectional view of the rubber switch cover member of the present invention in which the rubber switch cover member of FIG. 1 is provided with a light-shielding coating film and a transparent portion.
【図４】図１のゴム製スイッチ用カバー部材に接着性塗
膜、遮光性塗膜および透光部を設けた本考案のゴム製ス
イッチ用カバー部材の縦断面図を示したものである。FIG. 4 is a vertical cross-sectional view of the rubber switch cover member of the present invention in which the rubber switch cover member of FIG. 1 is provided with an adhesive coating film, a light-shielding coating film, and a light-transmitting portion.
【符号の説明】１ …ゴム製スイッチ用カバー部材、 ２…キートップ
部、３…ドーム部、 ４…脚部、５
…可動接点部、 ６…導電性膜、７…
文字、図形印刷部、 ８…遮光性塗膜、９…
透光部、 10…接着性塗膜。[Explanation of Codes] 1 ... Rubber switch cover member, 2 ... Key top part, 3 ... Dome part, 4 ... Leg part, 5
... Movable contact part, 6 ... Conductive film, 7 ...
Characters, graphic printing area, 8 ... Shading coating film, 9 ...
Translucent part, 10 ... Adhesive coating film.
Claims (1)
は裏面の全面または一部に、透明または半透明の導電性
をもつ電磁波シールド層を設けてなることを特徴とする
ゴム製スイッチ用カバー部材。1. A rubber switch cover member, characterized in that a transparent or semi-transparent electromagnetic wave shield layer is provided on the entire surface or a part of the front or back surface of the rubber switch cover member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988293U JPH0679036U (en) | 1993-04-19 | 1993-04-19 | Rubber switch cover member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988293U JPH0679036U (en) | 1993-04-19 | 1993-04-19 | Rubber switch cover member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0679036U true JPH0679036U (en) | 1994-11-04 |
Family
ID=12011586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988293U Pending JPH0679036U (en) | 1993-04-19 | 1993-04-19 | Rubber switch cover member |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0679036U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009526132A (en) * | 2006-02-08 | 2009-07-16 | アクリメッド インコーポレイテッド | Methods and compositions for metal nanoparticle treated surfaces |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01286399A (en) * | 1988-05-12 | 1989-11-17 | Idec Izumi Corp | Electromagnetic wave shielding material and electromagnetic wave shielding switch |
-
1993
- 1993-04-19 JP JP1988293U patent/JPH0679036U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01286399A (en) * | 1988-05-12 | 1989-11-17 | Idec Izumi Corp | Electromagnetic wave shielding material and electromagnetic wave shielding switch |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009526132A (en) * | 2006-02-08 | 2009-07-16 | アクリメッド インコーポレイテッド | Methods and compositions for metal nanoparticle treated surfaces |
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