JPH086229A - Light shielding adhesive sheet - Google Patents
Light shielding adhesive sheetInfo
- Publication number
- JPH086229A JPH086229A JP13871894A JP13871894A JPH086229A JP H086229 A JPH086229 A JP H086229A JP 13871894 A JP13871894 A JP 13871894A JP 13871894 A JP13871894 A JP 13871894A JP H086229 A JPH086229 A JP H086229A
- Authority
- JP
- Japan
- Prior art keywords
- light
- sheet
- layer
- adhesive layer
- 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.)
- Pending
Links
Landscapes
- Preparing Plates And Mask In Photomechanical Process (AREA)
- Laminated Bodies (AREA)
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、感光材料を扱う分野、
例えば、写真製版等の印刷分野で使用される遮光性粘着
シートに関する。FIELD OF THE INVENTION The present invention relates to the field of handling light-sensitive materials,
For example, the present invention relates to a light-shielding pressure-sensitive adhesive sheet used in the field of printing such as photoengraving.
【０００２】[0002]
【従来の技術】従来、感光材料を扱う分野、例えば、写
真製版等の印刷分野では、焼付けの作業効率を高めるた
めに、写真撮影したネガ又はポジ画像を一版分にまとめ
る必要がある。その際、焼付工程で感光材料に支障を来
さないために、従来より、感光材料が感光する波長を有
する光線を遮光し、かつ貼着した時に被貼着面を透視で
きる着色透明な遮光性粘着シートが用いられている。2. Description of the Related Art Conventionally, in the field of handling a light-sensitive material, for example, in the field of printing such as photoengraving, it is necessary to collect a negative or positive image photographed into one plate in order to improve the working efficiency of printing. At that time, in order to prevent the photosensitive material from being hindered during the printing process, it has conventionally been possible to shield light rays having a wavelength at which the photosensitive material is exposed, and to have a transparent transparent light-shielding property that allows the surface to be adhered to be seen through when adhered. Adhesive sheets are used.
【０００３】実公昭５０−３５５７号公報には、このよ
うな遮光性粘着シートが開示されている。この遮光性粘
着シートは、図２に示すように、基材として、透明樹脂
フィルム上１１に、着色層１２、接着層１３、着色層１
２′及び透明樹脂フィルム１１′が順次積層された遮光
性シートを用い、その上に下塗剤層１５を介して粘着剤
層１４を形成したものである。上記接着層１３は、熱硬
化型接着剤又は溶剤活性型接着剤からなり、また着色層
１２、１２′は、耐熱性及び耐光性の高い油溶性染顔料
及び合成樹脂からなる。着色層１２、１２′は、油溶性
染顔料と合成樹脂を有機溶剤に溶解し塗布乾燥して形成
され、そして接着層１３は上記接着剤を有機溶剤に溶解
し塗布乾燥して形成される。Japanese Utility Model Publication No. 50-3557 discloses such a light-shielding pressure-sensitive adhesive sheet. As shown in FIG. 2, the light-shielding pressure-sensitive adhesive sheet comprises a transparent resin film 11, a colored layer 12, an adhesive layer 13, and a colored layer 1 as a base material.
A light-shielding sheet in which 2'and a transparent resin film 11 'are sequentially laminated is used, and a pressure-sensitive adhesive layer 14 is formed on the light-shielding sheet via a primer layer 15. The adhesive layer 13 is made of a thermosetting adhesive or a solvent activated adhesive, and the colored layers 12, 12 'are made of an oil-soluble dye / pigment having high heat resistance and light resistance and a synthetic resin. The colored layers 12 and 12 'are formed by dissolving an oil-soluble dye / pigment and a synthetic resin in an organic solvent and then coating and drying the adhesive layer 13. The adhesive layer 13 is formed by dissolving the adhesive in an organic solvent and coating and drying it.
【０００４】[0004]
【発明が解決しようとする課題】ところが、上記遮光性
粘着シートの製造では、着色層１２上に接着層１３の塗
布液を塗布すると、着色層１２が侵されて色落ちやピン
ホールが生じるので、着色層１２の感光材料に感光する
波長の光線の遮光性が悪くなる。また着色層１２中の染
顔料が接着層１３の製膜中の塗膜に移行するので、接着
層１３の接着性が悪くなる。本発明は、上記を鑑み、着
色層の遮光性が良好で、かつ接着層の接着性が良好であ
る遮光性粘着シートを提供することを目的とする。However, in the production of the above-mentioned light-shielding pressure-sensitive adhesive sheet, when the coating solution for the adhesive layer 13 is applied onto the colored layer 12, the colored layer 12 is attacked to cause discoloration or pinholes. The light-shielding property of the light rays of the wavelength which is sensitive to the light-sensitive material of the colored layer 12 is deteriorated. Further, since the dye / pigment in the colored layer 12 is transferred to the coating film in the film formation of the adhesive layer 13, the adhesive property of the adhesive layer 13 is deteriorated. In view of the above, it is an object of the present invention to provide a light-shielding pressure-sensitive adhesive sheet in which the colored layer has good light-shielding properties and the adhesive layer has good adhesiveness.
【０００５】[0005]
【課題を解決するための手段】上記の目的を達成するた
めの手段を説明すると、本発明の遮光性粘着シートは、
遮光性シートと、前記遮光性シートの一面に形成された
粘着剤層とからなる遮光性粘着シートであって、前記遮
光性シートが、透明樹脂フィルム上に、着色層、接着
層、着色層及び透明樹脂フィルムが順次積層されたシー
トであり、前記着色層が、油溶性染顔料を含有する高分
子材料で、感光材料が感光する波長の光線を遮光しその
他の可視光線を透過し得る材料からなり、前記接着層
が、水系アクリルエマルジョンからなることにより特徴
づけられる。Means for attaining the above-mentioned object will be described. The light-shielding pressure-sensitive adhesive sheet of the present invention comprises:
A light-shielding pressure-sensitive adhesive sheet comprising a light-shielding sheet and a pressure-sensitive adhesive layer formed on one surface of the light-shielding sheet, wherein the light-shielding sheet comprises a transparent resin film, a colored layer, an adhesive layer, a colored layer and A transparent resin film is sequentially laminated sheet, the colored layer is a polymer material containing an oil-soluble dye or pigment, from a material capable of blocking light rays having a wavelength at which the photosensitive material is sensitive and transmitting other visible light rays. The adhesive layer is characterized by being made of a water-based acrylic emulsion.
【０００６】本発明の遮光性粘着シートの構成を図１に
示す。上記遮光性粘着シートは、透明樹脂フィルム１上
に、着色層２、接着層３、着色層２′及び透明樹脂フィ
ルム１′が順次積層されたシートと、上記遮光性シート
の一面に形成される透明な粘着剤層４とからなる。The structure of the light-shielding pressure-sensitive adhesive sheet of the present invention is shown in FIG. The light-shielding pressure-sensitive adhesive sheet is formed on one surface of the light-shielding sheet and a sheet in which a colored layer 2, an adhesive layer 3, a colored layer 2'and a transparent resin film 1'are sequentially laminated on a transparent resin film 1. It is composed of a transparent adhesive layer 4.
【０００７】上記樹脂フィルム１、１′は、材料とし
て、例えば、ポリエチレンテレフタレート、ポリプロピ
レン、ポリスチレン、ポレエチレン、ポリ塩化ビニル等
の合成樹脂等が挙げられ、中でも、寸法安定性、透明性
及び加工性に優れたポリエチレンテレフタレートが好適
に使用され、フィルムに成形される。フィルムの厚さ
は、５〜５０μｍが好ましい。上記樹脂フィルム１、
１′は、同じ材料でも異なる材料でもよい。Examples of the material for the resin films 1 and 1'include synthetic resins such as polyethylene terephthalate, polypropylene, polystyrene, polyethylene, polyvinyl chloride and the like. Among them, dimensional stability, transparency and processability are mentioned. Excellent polyethylene terephthalate is preferably used and formed into a film. The thickness of the film is preferably 5 to 50 μm. The above resin film 1,
1'may be the same material or different materials.
【０００８】上記着色層２、２′は、油溶性染顔料を含
有する高分子材料からなり、この材料は、感光材料が感
光する波長の光線を遮光し、かつその他の可視光線を透
過し得る材料である。上記高分子材料は、透明で、上記
透明な樹脂フィルム１に対して接着性を有し、かつ上記
染顔料を充分に溶解又は分散し得る材料である。このよ
うな高分子材料としては、例えば、塩化ビニル樹脂、塩
化ビニル−酢酸ビニル共重合体、ポリ（メタ）アクリル
樹脂、ポリウレタン樹脂等の熱可塑性樹脂；不飽和ポリ
エステル等の熱硬化性樹脂等が挙げられる。The colored layers 2 and 2'are made of a polymer material containing an oil-soluble dye / pigment, which can shield light rays having a wavelength sensitive to the light-sensitive material and transmit other visible light rays. It is a material. The polymer material is a material which is transparent, has adhesiveness to the transparent resin film 1, and can sufficiently dissolve or disperse the dye / pigment. Examples of such polymer materials include thermoplastic resins such as vinyl chloride resin, vinyl chloride-vinyl acetate copolymer, poly (meth) acrylic resin and polyurethane resin; thermosetting resins such as unsaturated polyester. Can be mentioned.
【０００９】上記油溶性染顔料は、着色層２、２′が感
光材料が感光する波長の光線を遮光し、かつその他の光
線を透過し得る色に着色できる材料であれば特に限定さ
れないが、例えば、赤色油溶性染料を使用すると、着色
層２、２′は約２００〜４００ｍμの感光波長の光線を
吸収して遮光し、約４００〜８００ｍμの波長の可視光
線を透過する。また必要に応じて、上記着色層２、２′
中に紫外線吸収剤等の添加剤を含有させてもよい。また
上記着色剤層２、２′は、同じ材料でも異なる材料でも
よい。The above oil-soluble dyes and pigments are not particularly limited as long as the colored layers 2 and 2'are materials which can shield light rays having a wavelength sensitive to the light-sensitive material and which can transmit other light rays. For example, when a red oil-soluble dye is used, the colored layers 2 and 2 ′ absorb and block light having a photosensitive wavelength of about 200 to 400 mμ and block visible light having a wavelength of about 400 to 800 mμ. If necessary, the colored layers 2, 2 '
An additive such as an ultraviolet absorber may be contained therein. The colorant layers 2 and 2'may be made of the same material or different materials.
【００１０】上記接着層３は、透明な樹脂フィルム１、
１′上にそれぞれ着色剤層２、２′を塗設したものを、
互いに貼り合わせて接着し一体化するために設けられた
層で、透明な水系アクリルエマルジョンからなる。この
ようなアクリルエマルジョンの具体例としては、例え
ば、アクリル系粘着剤等が挙げられる。上記粘着剤層４
は、透明な粘着剤からなる。このような粘着剤として
は、例えば、ゴム系粘着剤等が挙げられる。The adhesive layer 3 is a transparent resin film 1,
1'on which the colorant layers 2 and 2'are respectively applied,
A layer provided for laminating and adhering to each other so as to be integrated, and is made of a transparent water-based acrylic emulsion. Specific examples of such an acrylic emulsion include an acrylic pressure-sensitive adhesive and the like. The adhesive layer 4
Consists of a transparent adhesive. Examples of such an adhesive include a rubber-based adhesive.
【００１１】図１の遮光性粘着シートは、以下のように
して作成される。まず、遮光性シートの形成を次のよう
に行う。予め、上記高分子材料、染顔料及び必要に応じ
て紫外線吸収剤等の添加剤を、例えば、トルエン、メチ
ルエチルケトン、酢酸エチル、アセトン等の有機溶剤に
溶解又は分散させる。これを２枚の透明な樹脂フィルム
１、１′上にそれぞれ塗布し乾燥して着色層２、２′を
形成する。これらのうちの１枚に、水系アクリルエマル
ジョンを塗布し乾燥して接着層３を形成する。その後、
もう１枚の透明な樹脂フィルム１′の着色層２′と、上
記接着層３とを貼り合わせることにより、遮光性シート
を作成する。The light-shielding pressure-sensitive adhesive sheet of FIG. 1 is prepared as follows. First, the light-shielding sheet is formed as follows. In advance, the polymer material, dyes and pigments and, if necessary, additives such as an ultraviolet absorber are dissolved or dispersed in an organic solvent such as toluene, methyl ethyl ketone, ethyl acetate or acetone. This is applied onto two transparent resin films 1 and 1 ', respectively, and dried to form colored layers 2 and 2'. An aqueous acrylic emulsion is applied to one of these and dried to form the adhesive layer 3. afterwards,
The colored layer 2'of another transparent resin film 1'and the adhesive layer 3 are bonded together to form a light-shielding sheet.
【００１２】一方、離型紙上に粘着剤を塗布し乾燥して
粘着剤層４を形成する。次いで、この離型紙上の粘着剤
層４と、上記で作成された遮光性シートとを貼り合わせ
て密着させ、遮光性シート上に粘着剤層４を積層する。
通常、離型紙は、粘着剤層４の表面に仮着されて、他物
との粘着を防止し、使用時にはこれを剥がす。On the other hand, a pressure sensitive adhesive is applied on the release paper and dried to form a pressure sensitive adhesive layer 4. Next, the pressure-sensitive adhesive layer 4 on the release paper and the light-shielding sheet prepared above are stuck and brought into close contact, and the pressure-sensitive adhesive layer 4 is laminated on the light-shielding sheet.
Usually, the release paper is temporarily attached to the surface of the pressure-sensitive adhesive layer 4 to prevent the release paper from sticking to other objects, and is peeled off at the time of use.
【００１３】これらの密着性を良好とするために、必要
に応じて、遮光性シートと粘着剤層４との間に下塗剤層
を設けてもよい。また遮光性粘着シートをロール捲きに
した時に、粘着剤層４が遮光性シートから容易に剥がれ
るように、遮光性シートの粘着剤層４が形成されていな
い面に離型層を形成してもよい。上記遮光性粘着シート
は、必要に応じてテープ等の所望の太さに裁断され、ロ
ール捲きにされる。In order to improve the adhesion between these, an undercoat layer may be provided between the light-shielding sheet and the pressure-sensitive adhesive layer 4, if necessary. In addition, a release layer may be formed on the surface of the light-shielding sheet on which the pressure-sensitive adhesive layer 4 is not formed so that the pressure-sensitive adhesive layer 4 can be easily peeled off from the light-shielding sheet when the light-shielding pressure-sensitive adhesive sheet is rolled. Good. The light-shielding pressure-sensitive adhesive sheet is cut into a desired thickness such as a tape, if necessary, and rolled.
【００１４】[0014]
【作用】本発明の遮光性粘着シートは、接着層は水系ア
クリルエマルジョンを塗布乾燥することにより形成され
る。従って、油溶性染顔料及び高分子材料からなる着色
層が侵されて色落ちやピンホールが生じることがない。
また、着色層中の染顔料が接着層の製膜中の塗膜に移行
することがない。In the light-shielding pressure-sensitive adhesive sheet of the present invention, the adhesive layer is formed by applying and drying a water-based acrylic emulsion. Therefore, the colored layer made of the oil-soluble dye / pigment and the polymer material is not attacked to cause discoloration or pinholes.
Moreover, the dyes and pigments in the colored layer do not migrate to the coating film in the film formation of the adhesive layer.
【００１５】[0015]
【実施例】以下に実施例を掲げて本発明を詳細に説明す
るが、本発明はこれら実施例のみに限定されるものでは
ない。 実施例１ 塩化ビニル−酢酸ビニル共重合体（ユニオンカーバイド
社製、ビニライトＶＹＨＨ）１００重量部、ニトリルゴ
ム（日本ゼオン社製、ニッポラン１４３２Ｊ）３０重量
部、赤色油溶性染料（保土谷化学社製、スピロンレッド
ＧＥＨ）５重量部及びオレンジ色油溶性染料（ＢＡＳＦ
社製、ザボンオレンジ２７２）１重量部をメチルエチル
ケトンに均一に溶解して塗布液を調製した。The present invention will be described in detail below with reference to examples, but the present invention is not limited to these examples. Example 1 100 parts by weight of vinyl chloride-vinyl acetate copolymer (manufactured by Union Carbide Co., vinylite VYHH), 30 parts by weight of nitrile rubber (manufactured by Nippon Zeon Co., Ltd., Nippon Poland 1432J), red oil-soluble dye (manufactured by Hodogaya Chemical Co., Ltd., Spyron Red GEH) 5 parts by weight and orange oil-soluble dye (BASF
A coating liquid was prepared by uniformly dissolving 1 part by weight of Pomelo Orange 272) manufactured by Mfg. Co., Ltd. in methyl ethyl ketone.
【００１６】この塗布液を、２枚のポリエステルフィル
ム（ダイアホイル社製、Ｅ−１３０）上に、それぞれ乾
燥後の厚さが２μｍとなるようにグラビアコーターを用
いて塗布し乾燥し、フィルム上に着色層を形成し、これ
らをフィルムＡとした。これらのフィルムＡの着色層の
外観はピンホールがなく、均一な塗布面であった。これ
らのうち１枚のフィルムＡの着色層上に、アクリルエマ
ルジョン（綜研化学社製、Ｅ−３３０３Ｓ、固形分５７
％、粘度２００ｐ／２５℃）を乾燥後の厚さが３μｍと
なるように塗布し、次いで、この上にもう１枚のフィル
ムＡを着色層を下側にして積層して遮光性シートＢを作
成した。この遮光性シートＢは、着色層が侵された様子
がなく、ピンホールがない均一な外観を有していた。This coating solution was applied onto two polyester films (E-130 manufactured by Diafoil Co., Ltd.) so that the thickness after drying was 2 μm, and dried to obtain a film. A colored layer was formed on the film, and these were used as film A. The appearance of the colored layer of these films A was a uniform coating surface without pinholes. Acrylic emulsion (manufactured by Soken Chemical Industry Co., Ltd., E-3303S, solid content 57
%, Viscosity 200 p / 25 ° C.) so that the thickness after drying becomes 3 μm, and then another film A is laminated thereon with the colored layer on the lower side to form a light-shielding sheet B. Created. The light-shielding sheet B had a uniform appearance with no pinhole and no appearance of the colored layer being damaged.
【００１７】このシートＢの着色層と接着層との間のＴ
剥離強度を測定したところ、２２０ｇ／１２ｍｍであっ
た。また、このシートＢを、４０℃、５００時間放置し
た後の着色層と接着層との間のＴ剥離強度について測定
したところ、２２０ｇ／１２ｍｍであり、変化はなかっ
た。この４０℃、５００時間放置した後にアセトン中に
６時間放置した後の着色層の色落ち及び着色層と接着層
との層間剥離について調べたところ、色落ちも層間剥離
も起こらなかった。T between the colored layer and the adhesive layer of this sheet B
The peel strength was measured and found to be 220 g / 12 mm. Further, the T-peeling strength between the colored layer and the adhesive layer after leaving this Sheet B at 40 ° C. for 500 hours was measured and found to be 220 g / 12 mm, which was unchanged. When the color fading of the colored layer and the delamination between the colored layer and the adhesive layer after standing for 500 hours at 40 ° C. in acetone for 6 hours were examined, neither color fading nor delamination occurred.
【００１８】比較例１ 実施例１のアクリルエマルジョンの代わりに、実施例１
で使用したビニライトＶＹＨＨのメチルエチルケトン溶
液を用いたこと以外は、実施例１と同様にして遮光性シ
ートＣを作成した。この遮光性シートＣは、着色層が一
部侵され、表面が荒れ、ピンホールの部分が見られた。
このシートＣの着色層と接着層との間のＴ剥離強度を測
定したところ、２００ｇ／１２ｍｍであった。また、こ
のシートＣを、４０℃、５００時間放置した後の着色層
と接着層との間のＴ剥離強度について測定したところ、
８０ｇ／１２ｍｍであり、強度の変化があった。この４
０℃、５００時間放置した後にアセトン中に６時間放置
した後の着色層の色落ち及び着色層と接着層との層間剥
離について調べたところ、色落ちが認められ、端面から
層間剥離が起こった。Comparative Example 1 Instead of the acrylic emulsion of Example 1, Example 1 was used.
A light-shielding sheet C was prepared in the same manner as in Example 1 except that the methyl ethyl ketone solution of vinylite VYHH used in 1. was used. In this light-shielding sheet C, the colored layer was partially invaded, the surface was roughened, and pinholes were observed.
The T-peel strength between the colored layer and the adhesive layer of this sheet C was measured and found to be 200 g / 12 mm. Further, when the sheet C was measured for T peel strength between the colored layer and the adhesive layer after being left at 40 ° C. for 500 hours,
It was 80 g / 12 mm, and there was a change in strength. This 4
When the discoloration of the colored layer and the delamination between the colored layer and the adhesive layer after standing for 500 hours at 0 ° C. in acetone for 6 hours were examined, discoloration was observed and delamination occurred from the end face. .
【００１９】[0019]
【発明の効果】以上の説明で明らかなように、本発明
は、着色層の色落ちやピンホールがないため、遮光性が
良好であり、かつ着色層中の染顔料が接着層の製膜中の
塗膜に移行することがないので、接着層の接着性が良好
であり、耐溶剤性が良好な遮光性粘着シートを提供する
ことができる。EFFECTS OF THE INVENTION As is clear from the above description, the present invention has good light-shielding properties because the colored layer does not have discoloration or pinholes, and the dye / pigment in the colored layer is an adhesive layer. Since it does not migrate to the inside coating film, it is possible to provide a light-shielding pressure-sensitive adhesive sheet having good adhesiveness of the adhesive layer and good solvent resistance.
【図１】本発明の遮光性粘着シートの構成を示す断面
図。FIG. 1 is a cross-sectional view showing the configuration of a light-shielding pressure-sensitive adhesive sheet of the present invention.
【図２】従来の遮光性粘着シートの構成を示す断面図。FIG. 2 is a cross-sectional view showing the structure of a conventional light-shielding pressure-sensitive adhesive sheet.
１、１′ 透明樹脂フィルム ２、２′ 着色層 ３ 接着層 ４ 粘着剤層 １１、１１′透明樹脂フィルム １２、１２′着色層 １３ 接着層 １４ 粘着剤層 １５ 下塗剤層 １６ 離型層 1, 1 ′ Transparent resin film 2, 2 ′ Colored layer 3 Adhesive layer 4 Adhesive layer 11, 11 ′ Transparent resin film 12, 12 ′ Colored layer 13 Adhesive layer 14 Adhesive layer 15 Undercoat layer 16 Release layer
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｃ０９Ｊ 7/02 ＪＬＥ Ｇ０３Ｆ 1/04 ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification number Office reference number FI technical display location C09J 7/02 JLE G03F 1/04
Claims (1)
面に形成された粘着剤層とからなる遮光性粘着シートで
あって、前記遮光性シートが、透明樹脂フィルム上に、
着色層、接着層、着色層及び透明樹脂フィルムが順次積
層されたシートであり、前記着色層が、油溶性染顔料を
含有する高分子材料で、感光材料が感光する波長の光線
を遮光しその他の可視光線を透過し得る材料からなり、
前記接着層が、水系アクリルエマルジョンからなること
を特徴とする遮光性粘着シート。1. A light-shielding pressure-sensitive adhesive sheet comprising a light-shielding sheet and a pressure-sensitive adhesive layer formed on one surface of the light-shielding sheet, wherein the light-shielding sheet is formed on a transparent resin film,
A sheet in which a colored layer, an adhesive layer, a colored layer and a transparent resin film are sequentially laminated, wherein the colored layer is a polymer material containing an oil-soluble dye / pigment, which blocks light having a wavelength at which the photosensitive material is sensitive. Made of a material that can transmit visible light of
The light-shielding pressure-sensitive adhesive sheet, wherein the adhesive layer is made of a water-based acrylic emulsion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13871894A JPH086229A (en) | 1994-06-21 | 1994-06-21 | Light shielding adhesive sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13871894A JPH086229A (en) | 1994-06-21 | 1994-06-21 | Light shielding adhesive sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH086229A true JPH086229A (en) | 1996-01-12 |
Family
ID=15228523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13871894A Pending JPH086229A (en) | 1994-06-21 | 1994-06-21 | Light shielding adhesive sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH086229A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2105483A1 (en) | 2005-12-06 | 2009-09-30 | Nitto Denko Corporation | Light-shielding pressure-sensitive adhesive sheet |
-
1994
- 1994-06-21 JP JP13871894A patent/JPH086229A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2105483A1 (en) | 2005-12-06 | 2009-09-30 | Nitto Denko Corporation | Light-shielding pressure-sensitive adhesive sheet |
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