JPH01120503A - Surface-roughened light shieldable film having electrical conductivity - Google Patents
Surface-roughened light shieldable film having electrical conductivityInfo
- Publication number
- JPH01120503A JPH01120503A JP27981887A JP27981887A JPH01120503A JP H01120503 A JPH01120503 A JP H01120503A JP 27981887 A JP27981887 A JP 27981887A JP 27981887 A JP27981887 A JP 27981887A JP H01120503 A JPH01120503 A JP H01120503A
- Authority
- JP
- Japan
- Prior art keywords
- film
- light
- conductive layer
- conductive
- shielding
- 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.)
- Granted
Links
- 230000003746 surface roughness Effects 0.000 claims description 15
- 239000002985 plastic film Substances 0.000 claims description 5
- 229920006255 plastic film Polymers 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 10
- 238000007788 roughening Methods 0.000 abstract description 7
- 239000000203 mixture Substances 0.000 abstract description 5
- 238000005488 sandblasting Methods 0.000 abstract description 5
- 239000006229 carbon black Substances 0.000 abstract description 4
- 238000003486 chemical etching Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 229920000728 polyester Polymers 0.000 abstract description 3
- 239000000049 pigment Substances 0.000 abstract description 2
- 229920000515 polycarbonate Polymers 0.000 abstract description 2
- 239000004417 polycarbonate Substances 0.000 abstract description 2
- 229920003002 synthetic resin Polymers 0.000 abstract description 2
- 239000000057 synthetic resin Substances 0.000 abstract description 2
- 238000013329 compounding Methods 0.000 abstract 1
- 238000002310 reflectometry Methods 0.000 abstract 1
- 239000006258 conductive agent Substances 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 230000001771 impaired effect Effects 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920001187 thermosetting polymer Polymers 0.000 description 3
- 239000002216 antistatic agent Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000006224 matting agent Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920006267 polyester film Polymers 0.000 description 2
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 2
- 229910001887 tin oxide Inorganic materials 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 229910006853 SnOz Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Optical Elements Other Than Lenses (AREA)
- Diaphragms For Cameras (AREA)
Abstract
Description
【発明の詳細な説明】
［技術分野〕
本発明は、一般のカメラやビデオカメラ等の光学機器に
おけるシャッタ一部材、絞り部材等の遮光性素材として
の使用に好適な導電性を有する粗面化遮光性フィルムに
関するものである。Detailed Description of the Invention [Technical Field] The present invention relates to a roughened surface having conductivity suitable for use as a light-shielding material for shutter members, aperture members, etc. in optical equipment such as general cameras and video cameras. This invention relates to a light-shielding film.
光学機器におけるシャッターや絞り部材用素材としては
、これまでは、黒色塗料を塗布した金属フィルムが用い
られてきた。最近では、光学機器の電子機構化が進み、
シャッターや絞りもモータで駆動されるようになり、そ
のため、金属よりも軽承でモータ駆動の容易な遮光性プ
ラスチックフィルムが使用されるようになった。Until now, metal films coated with black paint have been used as materials for shutters and aperture members in optical devices. Recently, the electronic mechanism of optical equipment has progressed,
Shutters and apertures have also come to be driven by motors, which has led to the use of light-shielding plastic films, which are lighter and easier to drive than metals.
しかし、このようなプラスチックフィルムは絶縁性のも
のであることから、静電気が発生しやすく、不都合の問
題を生じる。特に高速に動作するシャッター等に用いる
場合には、シャッター羽根同志の摩擦によって発生した
静電気力により、シャッター羽根がくっついてしまう等
の問題を生じる。一方、遮光性フィルムにおいては、遮
光性の他に、表面で光を反射しないように効率よく光を
吸収するかあるいは乱反射することが望まれる。However, since such plastic films are insulative, static electricity is likely to be generated, resulting in inconvenient problems. In particular, when used in a shutter that operates at high speed, electrostatic force generated by friction between the shutter blades causes problems such as the shutter blades sticking together. On the other hand, in a light-shielding film, in addition to light-shielding properties, it is desired that the surface absorbs light efficiently or reflects it diffusely so as not to reflect light on the surface.
特開昭５７−１１８２２６号公報によれば、静電気発生
と表面での光の反射を防止するために、ポリエステルフ
ィルムに熱硬化性のつや消し塗料をコーティングし、そ
の上に帯電防止剤を付着せしめた遮光性フィルムが開示
されている。しかし、このフィルムの場合、その製造に
、つや消し剤を含む熱硬化性樹脂の塗布、その加熱硬化
及び帯電防止剤の塗布工程を要する。この場合、つや消
し剤を含む熱硬化樹脂皮膜の厚みが２０μ票前後となり
、シャッターとして使用した際にその硬化樹脂皮膜が支
持体から脱落しやすいという問題があった。According to JP-A No. 57-118226, in order to prevent the generation of static electricity and the reflection of light on the surface, a thermosetting matte paint is coated on a polyester film, and an antistatic agent is adhered thereon. A light-blocking film is disclosed. However, the production of this film requires the steps of applying a thermosetting resin containing a matting agent, curing it by heating, and applying an antistatic agent. In this case, the thickness of the thermosetting resin film containing the matting agent was around 20 μm, and there was a problem that the cured resin film easily fell off from the support when used as a shutter.
本発明は、前記した如き従来技術に見られる欠点を克服
することを目的とする。The present invention aims to overcome the drawbacks found in the prior art as described above.
本発明者らは、簡単かつ安価に製造し得る帯電防止性と
つや消し性にすぐれた遮光性フィルを開発すべく鋭意研
究を重ねた結果、あらかじめ黒色顔料を充填した遮光性
フィルムの表面に対してサンドブラスト法等により微細
凹凸谷形成し、その上にその微細凹凸を損うことなく、
電子導電型の導電剤を塗布することによって得られたフ
ィルムが、その目的に適合することを見出し、本発明を
完成するに到った。The present inventors have conducted intensive research to develop a light-shielding film with excellent antistatic and matte properties that can be easily and inexpensively manufactured. Fine unevenness is formed by sandblasting, etc. without damaging the fine unevenness.
It was discovered that a film obtained by applying an electronically conductive type conductive agent is suitable for this purpose, and the present invention was completed.
即ち１本発明によれば、表面に多数の微細凹凸を有する
黒色遮光性プラスチックフィルムと、該フィルム表面に
設けられた導電層とからなり、該導電層は、該フィルム
表面の微細凹凸に基づく微細凹凸面に形成されているこ
とを特徴とする導電性遮光性フィルムが提供される。That is, according to the present invention, the black light-shielding plastic film has a large number of fine irregularities on its surface, and a conductive layer provided on the surface of the film, and the conductive layer has fine irregularities based on the fine irregularities on the surface of the film. Provided is a conductive light-shielding film characterized by being formed on an uneven surface.
本発明で用いる遮光性フィルムは、ポリエステル、ポリ
カーボネート、ポリイミド、ポリエチレン等の合成樹脂
に遮光性材料として黒色系の顔料、例えばカーボンブラ
ック等を配合し、これを任意の成形法で成形してフィル
ム状としたものである。The light-shielding film used in the present invention is made by blending a black pigment such as carbon black as a light-shielding material with a synthetic resin such as polyester, polycarbonate, polyimide, or polyethylene, and molding this into a film by any molding method. That is.
用途を考えるとフィルムの厚さは２５〜２５０ｍμ程度
である。Considering the intended use, the thickness of the film is approximately 25 to 250 mμ.
本発明では、このフィルム自体の表面に微細凹凸を多数
形成する（以下、単に粗面化ともいう）。In the present invention, a large number of fine irregularities are formed on the surface of the film itself (hereinafter also simply referred to as roughening).
この粗面化の方法としては、化学的エツチング法とサン
ドブラスト法の２つがある。サンドブラスト法によると
、ピンホールの発生が化学的エツチング法よりも少なく
、また均一な粗面を得ることができ、要求される光学機
器用遮光性フィルムとして好適のものを得ることができ
る。この粗面化は、反射率が減少するまで行う６本発明
者らの研究によれば、この粗面化は、その上に被覆する
導電層との関連で、中心線平均表面粗さで、０．５〜１
．０μｍ、好ましくは約０．８μ扉及び反射率３〜５％
、好′ましくは約４％にするのが有利であることが判明
した。There are two methods for roughening the surface: chemical etching and sandblasting. The sandblasting method produces fewer pinholes than the chemical etching method, and a uniformly rough surface can be obtained, making it possible to obtain a film suitable for the required light-shielding film for optical equipment. This surface roughening is performed until the reflectance decreases.6According to the research of the present inventors, this surface roughening, in relation to the conductive layer coated thereon, has a centerline average surface roughness of 0.5-1
．． 0μm, preferably about 0.8μ door and reflectance 3-5%
It has been found advantageous to have an amount of 4%, preferably about 4%.
フィルムの粗面化は、両面又は一方の面に対して行うこ
とができるが、通常は両面に対して行う。Roughening of the film can be done on both sides or on one side, but is usually done on both sides.
本発明では、前記粗面化フィルムの表面に、その粗面を
損わないようにして直接導電剤を塗布し、粗面状の導電
層を形成する。この場合、導電剤としては、導電性物質
、例えば、酸化スズ（ＳｎＯｚ ）やカーボンブラック
等が用いられる。この導電剤の粒子径は、平均粒径が１
μｍ以下、好ましくは０．５μｍ以下である。導電剤の
塗布方法としては、導電剤を高分子系バインダーと混合
し、この混合物を、ワイヤーバ一方式等により、平滑面
上に０．５〜１．５μｍの塗膜を形成し得る条件にて、
前記粗面化フィルムのその粗面に対して塗布する。この
場合、表面に形成される導電層の表面抵抗及び表面粗さ
は、その塗膜形成条件及び塗布原料である混合物中の導
電剤の割合で調節することができる。混合物中の導電剤
の割合は、通常、重量ぶて５〜６０％、好ましくは１０
〜４０％である。In the present invention, a conductive agent is directly applied to the surface of the roughened film without damaging the rough surface to form a rough conductive layer. In this case, a conductive substance such as tin oxide (SnOz) or carbon black is used as the conductive agent. The particle size of this conductive agent has an average particle size of 1
It is less than μm, preferably less than 0.5 μm. The method for applying the conductive agent is to mix the conductive agent with a polymeric binder, and apply the mixture using a wire bar or the like under conditions that can form a coating film of 0.5 to 1.5 μm on a smooth surface. ,
Coating is applied to the rough surface of the roughened film. In this case, the surface resistance and surface roughness of the conductive layer formed on the surface can be adjusted by the coating film forming conditions and the proportion of the conductive agent in the mixture that is the coating raw material. The proportion of the conductive agent in the mixture is usually 5 to 60% by weight, preferably 10%.
~40%.
前記のようにして、表面に導電性粗面を有する遮光性フ
ィルムが得られる。このフィルムの導電層上での表面粗
さは、中心線平均表面粗さで０．５〜１、ＯＩＬｍ、好
ましくは約０．８μｍであり、またその反射率（ＪＩＳ
Ｚ ８７４１）は４−１３％、好ましくは５〜１０％
であり、さらにその表面比抵抗（ＪＩＳ Ｋ ６９１１
）は、１０７Ω以下、好ましくは１０”Ω以下である。In the above manner, a light-shielding film having a conductive rough surface is obtained. The surface roughness of this film on the conductive layer is 0.5 to 1 in center line average surface roughness, OILm, preferably about 0.8 μm, and its reflectance (JIS
Z 8741) is 4-13%, preferably 5-10%
Furthermore, its surface specific resistance (JIS K 6911
) is 107Ω or less, preferably 10”Ω or less.
特に１本発明の遮光性フィルムにおいては、そのプラス
チックフィルム面の表面粗さと、導電層の厚さ又はコー
テイング量等を調節して、導電層の表面粗さを前記笥囲
に保持することが重要である。導電層の表面粗さを余り
にも小さくすると、その表面における光反射防止効果が
著しく損ねれるようになる。一方、導電層の表面粗さを
大きくしようとして導電層厚を薄くしすぎると、導電層
の連続性が損われて、表面比抵抗が大きくなり、静電気
発生防止効果が著しく損われるようになる。従って、本
発明における導電層は、前記の如き表面粗さに調節する
と共に、表面比抵抗を前記の如き範囲に調節するのが重
要である。In particular, in the light-shielding film of the present invention, it is important to maintain the surface roughness of the conductive layer within the above range by adjusting the surface roughness of the plastic film surface and the thickness or coating amount of the conductive layer. It is. If the surface roughness of the conductive layer is too small, the antireflection effect on the surface will be significantly impaired. On the other hand, if the thickness of the conductive layer is made too thin in an attempt to increase the surface roughness of the conductive layer, the continuity of the conductive layer will be impaired, the surface resistivity will increase, and the effect of preventing static electricity generation will be significantly impaired. Therefore, it is important to adjust the surface roughness of the conductive layer in the present invention to the above-described surface roughness and to adjust the surface resistivity to the above-described range.
本発明の導電性遮光性フィルムは、導電層自体が微細凹
凸面に形成されていることを特徴とする。The conductive light-shielding film of the present invention is characterized in that the conductive layer itself is formed on a finely uneven surface.
即ち、本発明の導電性遮光性フィルムにおいて、その導
電層は、静電気発生を防止すると共に、その多数の微細
凹凸の作用により、表面における光の正反射を防止する
作用を示す。また、本発明の導電性遮光性フィルムは、
その製造工程が従来のものに比して、簡単であり、安価
に製造することができる。That is, in the conductive light-shielding film of the present invention, the conductive layer prevents the generation of static electricity, and also exhibits the effect of preventing specular reflection of light on the surface due to the action of the large number of fine irregularities. Moreover, the conductive light-shielding film of the present invention is
Its manufacturing process is simpler than conventional ones, and it can be manufactured at low cost.
本発明の導電性遮光性フィルムは、シャッターや絞り等
の光学機塁用の遮光性フィルムとして好適のものである
が、一般の遮光性フィルムとして使用し得ることはもち
ろんである。The conductive light-shielding film of the present invention is suitable as a light-shielding film for optical equipment such as shutters and apertures, but it can of course be used as a general light-shielding film.
次に本発明を実施例によりさらに詳細に説明する。 Next, the present invention will be explained in more detail with reference to Examples.
実施例
カーボンブラックを混入した黒色遮光性ポリエステルフ
ィルム（厚さ＝１２５μ＋ｍ）をサンドブラスト法によ
り粗面化して、中心線平均表面粗さ０．８μ腫、反射率
４％の粗面を両面に有する粗″面フィルムを得た。Example A black light-shielding polyester film (thickness = 125μ+m) mixed with carbon black was roughened by sandblasting to give a rough surface with a center line average surface roughness of 0.8μ and a reflectance of 4% on both sides. ” got a film.
次に、このフィルムの両方の粗面に対し、酸化スズ（平
均粒径：０．５μ、）を重量％含むポリエステル系導電
性塗料を塗布乾燥して、遮光性フィルムを得た。Next, a polyester conductive paint containing tin oxide (average particle size: 0.5 μm) in an amount of % by weight was applied to both rough surfaces of this film and dried to obtain a light-shielding film.
このようにして得た遮光性を有する粗面化導電性フィル
ムの表面粗さ、反射率及び表面抵抗を測定し、その結果
を表−１に示す。The surface roughness, reflectance, and surface resistance of the thus obtained roughened conductive film having light-shielding properties were measured, and the results are shown in Table 1.
なお、表面粗さは、中心線平均表面粗さを意味し、反射
率は、ＪＩＳ Ｚ ８７４１に従って測定し、表面抵抗
は、ＪＩＳ Ｋ ６９１１に従って測定したものである
。Note that the surface roughness means the center line average surface roughness, the reflectance was measured according to JIS Z 8741, and the surface resistance was measured according to JIS K 6911.
なお、表−１に示した各試料の符号は次のことを意味す
る。In addition, the code|symbol of each sample shown in Table-1 means the following.
試料Ａ・・・導電化処理する前の粗面化遮光性フィルム
。Sample A: Roughened light-shielding film before conductive treatment.
試料Ｂ・・・導電化処理した粗面化遮光性フィルム。導
電層厚：約１．０μ園。Sample B: Roughened light-shielding film subjected to conductivity treatment. Conductive layer thickness: approximately 1.0 μm.
試料Ｃ・・・導電化処理した粗面化遮光性フィルム。導
電層厚：約２μ扉。Sample C: Roughened light-shielding film subjected to conductivity treatment. Conductive layer thickness: approx. 2μ door.
試料Ｄ・・・導電化処理した粗面化遮光性フィルム。導
電層厚：約０．５μｍ。Sample D: Roughened light-shielding film subjected to conductivity treatment. Conductive layer thickness: approximately 0.5 μm.
表−１Table-1
Claims (2)
チックフィルムと、該フィルム表面に設けられた導電層
とからなり、該導電層は、該フィルム表面の微細凹凸に
基づく微細凹凸面に形成されていることを特徴とする導
電性を有する粗面化遮光性フィルム。(1) Consisting of a black light-shielding plastic film having a large number of fine irregularities on its surface and a conductive layer provided on the surface of the film, the conductive layer is formed on a finely rough surface based on the fine irregularities on the surface of the film. A roughened light-shielding film having conductivity.
〜１．０μｍ反射率４〜１０％、表面抵抗１０＾７Ω以
下を有する特許請求の範囲第１項のフィルム。(2) The conductive film has a center line average surface roughness of 0.5
~1.0 μm, a reflectance of 4 to 10%, and a surface resistance of 10^7Ω or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62279818A JPH0697322B2 (en) | 1987-11-05 | 1987-11-05 | Roughened light-shielding film having conductivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62279818A JPH0697322B2 (en) | 1987-11-05 | 1987-11-05 | Roughened light-shielding film having conductivity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01120503A true JPH01120503A (en) | 1989-05-12 |
| JPH0697322B2 JPH0697322B2 (en) | 1994-11-30 |
Family
ID=17616342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62279818A Expired - Lifetime JPH0697322B2 (en) | 1987-11-05 | 1987-11-05 | Roughened light-shielding film having conductivity |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0697322B2 (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04123028A (en) * | 1990-09-14 | 1992-04-23 | Somar Corp | Shutter blade with superior slidability |
| US6818287B1 (en) | 1998-09-02 | 2004-11-16 | Nidec Copal Corporation | Light shielding blade material for optical apparatus |
| JP2008158479A (en) * | 2006-11-30 | 2008-07-10 | Sumitomo Metal Mining Co Ltd | Heat-resistant and light-shielding film, manufacturing method thereof and diaphragm or light quantity adjusting device using the film |
| JP2008216951A (en) * | 2007-02-06 | 2008-09-18 | Sumitomo Metal Mining Co Ltd | Heat resistant/light shielding film and its manufacturing method, and iris or light quantity control device using the same |
| JP2008310016A (en) * | 2007-06-14 | 2008-12-25 | Sumitomo Metal Mining Co Ltd | Heat-resistant light shielding film, its manufacturing method, and aperture diaphragm or light quantity-adjusting device using the film |
| JP2010001518A (en) * | 2008-06-19 | 2010-01-07 | Sumitomo Metal Mining Co Ltd | Method of manufacturing heat-resistant and light-shielding film, and heat-resistant and light-shielding film |
| JP2010020063A (en) * | 2008-07-10 | 2010-01-28 | Nippon Seimitsu Sokki Kk | Diaphragm device |
| JP2010096842A (en) * | 2008-10-14 | 2010-04-30 | Sumitomo Metal Mining Co Ltd | Heat-resistant and light-shielding film, method for manufacturing the same and diaphragm or light quantity adjusting deice using the same |
| JP2010144146A (en) * | 2008-12-22 | 2010-07-01 | Nippon Shokubai Co Ltd | Resin composition for forming light shielding layer, light shielding film and lens unit |
| JP2010173156A (en) * | 2009-01-28 | 2010-08-12 | Nippon Shokubai Co Ltd | Method for forming cured resin film |
| US20110109970A1 (en) * | 2008-06-27 | 2011-05-12 | Sumitomo Metal Mining Co., Ltd. | Film type light shading plate, and diaphragm, diaphragm device for adjusting a light intensity or shutter using the same |
| WO2011145473A1 (en) | 2010-05-20 | 2011-11-24 | 東洋紡績株式会社 | Light-shielding film |
| JP2012194514A (en) * | 2011-03-01 | 2012-10-11 | Sumitomo Metal Mining Co Ltd | Light shielding film, manufacturing method thereof, and application therefor |
| WO2013061990A1 (en) * | 2011-10-24 | 2013-05-02 | 旭硝子株式会社 | Optical filter, method for producing same, and image capturing device |
| US8542424B2 (en) | 2008-09-05 | 2013-09-24 | Sumitomo Metal Mining Co., Ltd. | Black coating film and production method therefor, black light shading plate, and diaphragm, diaphragm device for light intensity adjustment, shutter using the same, and heat resistant light shading tape |
| US8757902B2 (en) | 2009-11-20 | 2014-06-24 | Toyobo Co., Ltd. | Black heat resistant light shading film and production method thereof, and, diaphragm, light intensity adjusting module and heat resistant light shading tape using the same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57188028A (en) * | 1981-05-15 | 1982-11-18 | Copal Co Ltd | Plastic blade for optical machine |
| JPS61121080U (en) * | 1985-01-16 | 1986-07-30 |
-
1987
- 1987-11-05 JP JP62279818A patent/JPH0697322B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57188028A (en) * | 1981-05-15 | 1982-11-18 | Copal Co Ltd | Plastic blade for optical machine |
| JPS61121080U (en) * | 1985-01-16 | 1986-07-30 |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04123028A (en) * | 1990-09-14 | 1992-04-23 | Somar Corp | Shutter blade with superior slidability |
| US6818287B1 (en) | 1998-09-02 | 2004-11-16 | Nidec Copal Corporation | Light shielding blade material for optical apparatus |
| JP2008158479A (en) * | 2006-11-30 | 2008-07-10 | Sumitomo Metal Mining Co Ltd | Heat-resistant and light-shielding film, manufacturing method thereof and diaphragm or light quantity adjusting device using the film |
| US7670673B2 (en) | 2006-11-30 | 2010-03-02 | Sumitomo Metal Mining Co., Ltd. | Heat-resistant, light-shielding film, production thereof, and aperture and light intensity adjusting device using the same |
| KR101362751B1 (en) * | 2006-11-30 | 2014-02-12 | 스미토모 긴조쿠 고잔 가부시키가이샤 | Heat-resistant, Light-shielding Film, Production thereof, and Aperture and Light intensity Adjusting Device Using the Same |
| JP2008216951A (en) * | 2007-02-06 | 2008-09-18 | Sumitomo Metal Mining Co Ltd | Heat resistant/light shielding film and its manufacturing method, and iris or light quantity control device using the same |
| JP2008310016A (en) * | 2007-06-14 | 2008-12-25 | Sumitomo Metal Mining Co Ltd | Heat-resistant light shielding film, its manufacturing method, and aperture diaphragm or light quantity-adjusting device using the film |
| JP2010001518A (en) * | 2008-06-19 | 2010-01-07 | Sumitomo Metal Mining Co Ltd | Method of manufacturing heat-resistant and light-shielding film, and heat-resistant and light-shielding film |
| US20110109970A1 (en) * | 2008-06-27 | 2011-05-12 | Sumitomo Metal Mining Co., Ltd. | Film type light shading plate, and diaphragm, diaphragm device for adjusting a light intensity or shutter using the same |
| JP2010020063A (en) * | 2008-07-10 | 2010-01-28 | Nippon Seimitsu Sokki Kk | Diaphragm device |
| US8542424B2 (en) | 2008-09-05 | 2013-09-24 | Sumitomo Metal Mining Co., Ltd. | Black coating film and production method therefor, black light shading plate, and diaphragm, diaphragm device for light intensity adjustment, shutter using the same, and heat resistant light shading tape |
| JP2010096842A (en) * | 2008-10-14 | 2010-04-30 | Sumitomo Metal Mining Co Ltd | Heat-resistant and light-shielding film, method for manufacturing the same and diaphragm or light quantity adjusting deice using the same |
| JP2010144146A (en) * | 2008-12-22 | 2010-07-01 | Nippon Shokubai Co Ltd | Resin composition for forming light shielding layer, light shielding film and lens unit |
| JP2010173156A (en) * | 2009-01-28 | 2010-08-12 | Nippon Shokubai Co Ltd | Method for forming cured resin film |
| US8757902B2 (en) | 2009-11-20 | 2014-06-24 | Toyobo Co., Ltd. | Black heat resistant light shading film and production method thereof, and, diaphragm, light intensity adjusting module and heat resistant light shading tape using the same |
| WO2011145473A1 (en) | 2010-05-20 | 2011-11-24 | 東洋紡績株式会社 | Light-shielding film |
| US9201176B2 (en) | 2010-05-20 | 2015-12-01 | Toyobo Co., Ltd. | Light-shielding film |
| JP2012194514A (en) * | 2011-03-01 | 2012-10-11 | Sumitomo Metal Mining Co Ltd | Light shielding film, manufacturing method thereof, and application therefor |
| WO2013061990A1 (en) * | 2011-10-24 | 2013-05-02 | 旭硝子株式会社 | Optical filter, method for producing same, and image capturing device |
| JPWO2013061990A1 (en) * | 2011-10-24 | 2015-04-02 | 旭硝子株式会社 | Optical filter, method for manufacturing the same, and imaging apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0697322B2 (en) | 1994-11-30 |
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