JPH02219637A - Multifunctional sheet and its manufacture - Google Patents
Multifunctional sheet and its manufactureInfo
- Publication number
- JPH02219637A JPH02219637A JP1040296A JP4029689A JPH02219637A JP H02219637 A JPH02219637 A JP H02219637A JP 1040296 A JP1040296 A JP 1040296A JP 4029689 A JP4029689 A JP 4029689A JP H02219637 A JPH02219637 A JP H02219637A
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- metal layer
- layer
- conductive metal
- resin
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 229920005989 resin Polymers 0.000 claims abstract description 35
- 239000011347 resin Substances 0.000 claims abstract description 35
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 23
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 15
- 239000000057 synthetic resin Substances 0.000 claims abstract description 15
- 238000010030 laminating Methods 0.000 claims abstract description 6
- 238000005530 etching Methods 0.000 claims abstract description 4
- 229910052751 metal Inorganic materials 0.000 claims description 50
- 239000002184 metal Substances 0.000 claims description 50
- 239000000463 material Substances 0.000 claims description 29
- 239000005340 laminated glass Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 4
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 3
- 239000010935 stainless steel Substances 0.000 abstract description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052782 aluminium Inorganic materials 0.000 abstract description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052802 copper Inorganic materials 0.000 abstract description 2
- 239000010949 copper Substances 0.000 abstract description 2
- 229910052742 iron Inorganic materials 0.000 abstract description 2
- 239000000945 filler Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- MUBKMWFYVHYZAI-UHFFFAOYSA-N [Al].[Cu].[Zn] Chemical compound [Al].[Cu].[Zn] MUBKMWFYVHYZAI-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Landscapes
- Surface Heating Bodies (AREA)
- Laminated Bodies (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Aerials With Secondary Devices (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は透視性、柔軟性を具え、電磁波シールド材及び
アンテナ材、ヒータ材に使用できる機能を具えたシート
に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a sheet that has transparency and flexibility, and has functions that can be used as an electromagnetic shielding material, an antenna material, and a heater material.
従来、透視性や柔軟性があり、電磁波ノイズに対してシ
ールド性を具えたシート材としては1合成樹脂フィルム
や合成樹脂シートを形成する際に、それらフィルムやシ
ートに導電性を付与するため、成形原料にアルミニウム
、銅、亜鉛、ステンレススチール等から成る金属フィラ
ーを混入したものが知られている。Conventionally, sheet materials that have transparency, flexibility, and shielding properties against electromagnetic noise are: 1. When forming synthetic resin films and sheets, in order to impart conductivity to these films and sheets, It is known that metal fillers made of aluminum, copper, zinc, stainless steel, etc. are mixed into the molding raw material.
然し乍ら、上記従来の電磁波ノイズに対してシールド性
を具えた合成樹脂フィルムやシート材は、それらの成形
段階で導電性金属フィラーを原料に混入して成形したも
ので、電磁波シールド専用材として製造されている。こ
のため、原料に混入する金属フィラーを、成形するフィ
ルムやシートの用途や成形性或いはコスト等に鑑み、フ
レーク状にするか粉状にするか或いは繊維状にするかな
ど、製造段階において予め解決しておかなければならな
い問題がある。However, the conventional synthetic resin films and sheet materials that provide shielding properties against electromagnetic noise are molded by mixing conductive metal filler into the raw materials during the molding process, and are manufactured exclusively as materials for electromagnetic shielding. ing. For this reason, it is necessary to decide in advance at the manufacturing stage whether to make the metal filler mixed into the raw material into flakes, powder, or fibers, taking into consideration the purpose, formability, cost, etc. of the film or sheet to be formed. There are issues that need to be addressed.
また、合成樹脂に金属フィラーを混入すると、フィルム
やシートを成形する際に、成形性や製品の外観が良好に
なりにくいという問題があるばかりでなく、原料に金属
フィラーの混入量が多いと電磁波シールド性は高まるが
、透視性が低くなるという問題もある。In addition, if metal fillers are mixed into synthetic resins, not only will it be difficult to improve moldability and product appearance when forming films and sheets, but if there is a large amount of metal fillers mixed into the raw materials, electromagnetic waves will be generated. Although shielding performance is improved, there is also the problem that transparency is reduced.
本発明は上記のような従来の電磁波シールド専用に成形
されたフィルムやシートの問題点をなくし、更に、電磁
波シールド性と透視性を具えると共に、アンテナ材やヒ
ータ材として使用できる機能を具えたシートを提供する
ことを目的としてなされたもので、多機能シートの構成
は、透明な合成樹脂製フィルム等から成るシート状基材
の上面全面に、多数の微細透孔が略均一又は適宜パター
ンに形成された透視性を有する導電性金属層を積層し、
該金属薄層を電磁波ノイズのシールド層とアンテナ材又
はヒータ材として機能させるようにしたことを特徴とす
るものであり、また、その製造方法の構成は、上面に導
電性金属層を形成した透明な合成樹脂製フィルム等から
成るシート状基材の前記導電性金属層の上にフォトレジ
スト樹脂層を積層し、該樹脂層に微細孔形の多数が略均
一に又は適宜パターン状に形成されるように硬化させた
後、硬化されないフォトレジスト樹脂を除去すると共に
エツチング加工により前記導電性金属層に微細透孔の多
数を均一に又は適宜パターンに形成し、更に、必要に応
じて前記金属層上に残されたフォトレジスト樹脂を除去
することを主な特徴とするものである。The present invention eliminates the above-mentioned problems of conventional films and sheets formed exclusively for electromagnetic shielding, and further provides electromagnetic shielding properties and transparency, as well as functions that can be used as antenna materials and heater materials. The structure of the multifunctional sheet is that a large number of fine holes are formed almost uniformly or in an appropriate pattern on the entire upper surface of a sheet-like base material made of a transparent synthetic resin film, etc. Laminating the formed transparent conductive metal layer,
The thin metal layer is characterized in that it functions as an electromagnetic noise shielding layer, an antenna material, or a heater material, and the manufacturing method consists of a transparent thin layer with a conductive metal layer formed on the top surface. A photoresist resin layer is laminated on the conductive metal layer of a sheet-like base material made of a synthetic resin film, etc., and a large number of micropores are formed in the resin layer substantially uniformly or in an appropriate pattern. After the photoresist resin is cured as shown in FIG. Its main feature is to remove the photoresist resin left behind.
(作 用〕
シート状基材の上面に、微細透孔の多数を、積層後退視
性を有するように均−又はパターン様に設けた導電性金
属層の金属部が電磁波を吸収して電磁波を遮蔽する。(Function) The metal part of the conductive metal layer, which has a large number of fine holes arranged uniformly or in a pattern on the upper surface of the sheet-like base material, absorbs electromagnetic waves and emits them. to shield.
また、透視率を70%以上にすることにより、遮光性シ
ートとして使用できる。Furthermore, by setting the transparency to 70% or more, it can be used as a light-shielding sheet.
本発明シートは、これをガラス板等の内面に導電性金属
層側を当てて貼着したり、合わせガラス内に介在させて
、例えば縦又は横或いは斜め等に導電性を持たせるよう
にすることにより、アンテナ材として使用することがで
き、また、前記金属層の金属部に電源からの端子を接続
し、面ヒータとして使用できる。The sheet of the present invention is attached to the inner surface of a glass plate, etc. with the conductive metal layer side, or is placed inside a laminated glass, so that it has conductivity, for example, vertically, horizontally, or diagonally. Therefore, it can be used as an antenna material, and by connecting a terminal from a power source to the metal part of the metal layer, it can be used as a surface heater.
(実施例〕 次に本発明の実施例を図により説明する。(Example〕 Next, embodiments of the present invention will be described with reference to the drawings.
第1図は本発明多機能シートの一例の一部拡大斜視図、
第2図は同じく断面拡大図、第3図は別個の断面拡大図
、第4図は本発明多機能シートを製造する工程を示すも
ので、(イ)はシート状基材の断面図、(ロ)はシート
状基材にフォトレジスト樹脂を積層した状態の断面拡大
図、(ハ)は(ロ)の状態のものにエツチング加工を施
して金属層に微細透孔を多数形成した状態の断面拡大図
で、第3図と同じであり、(ニ)は(ハ)の状態のもの
からフォトレジスト樹脂層を除去した状態の断面拡大図
で、第2図と同じである。FIG. 1 is a partially enlarged perspective view of an example of the multifunctional sheet of the present invention;
FIG. 2 is an enlarged cross-sectional view, FIG. 3 is a separate enlarged cross-sectional view, and FIG. 4 shows the process of manufacturing the multifunctional sheet of the present invention. (b) is an enlarged cross-sectional view of the state in which photoresist resin is laminated on a sheet-like base material, and (c) is a cross-sectional view of the state in (b) after being etched to form a large number of fine holes in the metal layer. This is an enlarged view and is the same as FIG. 3, and (D) is an enlarged cross-sectional view of the state shown in (C) with the photoresist resin layer removed, and is the same as FIG. 2.
第1図及び第2図において、1は厚さが10〜50μ程
度の透明な合成樹脂フィルム、2は前記フィルム1の上
面全面に、微細透孔3の多数を、積層後送視性を有する
ように均一に設けた導電性金属層で、4は該金属M2の
金属部であ、す、以上により本発明多機能シートの一例
が構成される。In FIGS. 1 and 2, 1 is a transparent synthetic resin film with a thickness of about 10 to 50 μm, and 2 is a transparent synthetic resin film having a thickness of about 10 to 50 μm, and 2 has a large number of fine holes 3 on the entire upper surface of the film 1, which has visibility after lamination. 4 is a metal portion of the metal M2. An example of the multifunctional sheet of the present invention is constructed as described above.
第3図に示すものは、上記多機能シートの金属部4の上
に、適宜の色に着色したフォトレジスト樹脂を積層、硬
化させて該樹脂の層5を形成したもので、本発明の別個
の多機能シートである。What is shown in FIG. 3 is a layer 5 of the resin layer 5 formed by laminating and curing a photoresist resin colored in an appropriate color on the metal part 4 of the multifunctional sheet. This is a multi-functional seat.
而して、上記における金属部4は70〜500μのよう
な細幅の線で形成され、微細透孔3の合計面積はシート
表面積の70%以上あるようにする。The metal portion 4 mentioned above is formed by a narrow line of 70 to 500 μm in width, and the total area of the fine holes 3 is set to be 70% or more of the sheet surface area.
上記のように構成される本発明多機能シートは。The multifunctional sheet of the present invention is constructed as described above.
次に述べるような方法により製造される。It is manufactured by the method described below.
即ち、透明な合成樹脂フィルム1の上面全面にアルミニ
ウム、銅、ステンレススチール、鉄等の導電性金属層2
を積層して成るシート状基材(第4図(イ)参照)の前
記金属M2の表面に、前記微細透孔2と同様の微細透孔
6の多数を均一に形成した着色フォトレジスト樹脂フィ
ルム5を貼着。That is, a conductive metal layer 2 of aluminum, copper, stainless steel, iron, etc. is formed on the entire upper surface of a transparent synthetic resin film 1.
A colored photoresist resin film in which a large number of fine holes 6 similar to the fine holes 2 are uniformly formed on the surface of the metal M2 of a sheet-like base material (see FIG. 4 (a)) formed by laminating the above-mentioned fine holes 2. Paste 5.
積層した後、紫外線を照射して該樹脂を硬化させる(第
4図(ロ)参照)。After laminating, the resin is cured by irradiation with ultraviolet rays (see FIG. 4(b)).
次いで、前記フォトレジスト樹脂フィルム5の微細透孔
6を通して導電性金RII2にエツチング加工を施し、
微細透孔3を形成する(第4図(ハ)参照)、このもの
は第3図図示の多機能シートと同じであり、目的1;よ
ってはこのまま使用することができるが1通常は、更に
この状態からフォトレジスト樹脂層を除去して、第1図
及び第2図に示すと同じ多機能シートとするのである(
第4図(ニ)参照)。Next, the conductive gold RII 2 is etched through the fine holes 6 of the photoresist resin film 5,
This sheet is the same as the multifunctional sheet shown in FIG. 3, and can be used as it is, but usually it is further From this state, the photoresist resin layer is removed to obtain the same multifunctional sheet as shown in Figures 1 and 2.
(See Figure 4 (d)).
尚、上記の方法においては、フォトレジスト樹脂層を形
成するために、該樹脂のフィルム5に微細透孔6を予め
設けて導電性金属層2の表面に貼着したが、この方法に
依らず、導電性金属層2の表面にフォトレジスト樹脂溶
液を塗布、積層し1、該樹脂層に微細孔形の多数が均一
に形成されるように紫外線を照射して硬化させた徐、硬
化されない樹脂を除去すると共に、エツチング加工して
、導電性金属層2に微細透孔3を設けるようにしてもよ
い。In the above method, in order to form a photoresist resin layer, microscopic holes 6 were formed in the resin film 5 and attached to the surface of the conductive metal layer 2. A photoresist resin solution is applied and laminated on the surface of the conductive metal layer 2, and the uncured resin is cured by irradiating ultraviolet rays so that a large number of micropores are uniformly formed in the resin layer. At the same time, the conductive metal layer 2 may be etched to provide fine holes 3 in the conductive metal layer 2.
上記のように構成され、製造される本発明多機能シート
は、シート状基材の上面積層した導電性金属層に、微細
透孔の多数を、精層後透視性を有するように均−又はパ
ターン様に設けたものであるから、これを電磁波シール
ド材として使用すれば、導電性金属層の金属部が電磁波
を吸収して電磁波を遮蔽するし、また、透視率を70%
以上にすることにより、透視性のある遮光性シートとし
ても使用できる。In the multifunctional sheet of the present invention constructed and manufactured as described above, a large number of fine pores are uniformly or Since it is provided in a pattern, if it is used as an electromagnetic wave shielding material, the metal part of the conductive metal layer will absorb electromagnetic waves and shield them, and the transparency will be increased to 70%.
By doing the above, it can also be used as a light-shielding sheet with transparency.
従って、建物の窓ガラスや自動車のフロントガラス等に
導電性金属層側を当てて貼着すれば、建物内や車内に侵
入しようとする電磁波を遮蔽し。Therefore, if the conductive metal layer side is applied to the window glass of a building or the windshield of a car, it will block electromagnetic waves that try to enter the inside of the building or car.
電磁波による悪影響を受けることなく、外部を視認でき
るし、外部からは室内や車内を視認しにくくなる。You can see the outside without being adversely affected by electromagnetic waves, and it becomes difficult to see the inside of the car or the interior of the car from the outside.
また、金属層の金属部の一部分を、例えば縦又は横或い
は斜め等に導電性を持たせるようにすることにより、ア
ンテナ材として使用することもできる。Further, by making a part of the metal part of the metal layer conductive, for example, vertically, horizontally, or diagonally, it can also be used as an antenna material.
更に、上記シートは、これをガラス板等の内面に導電性
金属層側を当てて貼着したり1合わせガラス内に介在さ
せて、前記金属層の金属部に電源からの端子を接続し1
面ヒータとして使用できるから、自動車のフロントガラ
ス等に貼着して上記のように用いれば、ガラスの曇りを
防ぐことができる。Furthermore, the above-mentioned sheet can be pasted by placing the conductive metal layer side on the inner surface of a glass plate or the like, or by interposing it in a laminated glass, and connecting a terminal from a power source to the metal part of the metal layer.
Since it can be used as a surface heater, if it is attached to the windshield of a car and used as described above, it can prevent the glass from fogging.
本発明は上述の通りであるから、電磁波シールド材9面
ヒータ、アンテナ、遮光性シートなど多目的の用途に使
用できて便利であり、また、その製造に際しては、印刷
配線板製造等の技術の一部を応用することにより極めて
容易且つ高精度に製造することができる。Since the present invention is as described above, it is convenient because it can be used for a variety of purposes such as electromagnetic shielding materials, nine-sided heaters, antennas, and light-shielding sheets. It can be manufactured extremely easily and with high precision by applying the following parts.
第1図は本発明多機能シートの一例の一部拡大斜視図、
第2図は同じく断面拡大図、第3図は別個の断面拡大図
、第4図は本発明多機能シートを製造する工程を示すも
ので、(イ)はシート状基材の断面図、(ロ)はシート
状基材に微細透孔の多数を均一に形成したフォトレジス
ト樹脂を積層した状態の断面拡大図、(ハ)は(ロ)の
状態のものにエツチング加工を施して金属層に微細透孔
を多数形成した状態の断面拡大図、(ニ)は(ハ)の状
態のものからフォトレジスト樹脂層を除去した状態の断
面拡大図である。
1・・・シート状基材、2・・・導電性金属層、3・・
・微細透孔、4・・・導電性金属層の金属部、5・・・
フォトレジスト樹脂、6・・・フォトレジスト樹脂に設
けた微細透孔FIG. 1 is a partially enlarged perspective view of an example of the multifunctional sheet of the present invention;
FIG. 2 is an enlarged cross-sectional view, FIG. 3 is a separate enlarged cross-sectional view, and FIG. 4 shows the process of manufacturing the multifunctional sheet of the present invention. (b) is an enlarged cross-sectional view of a sheet-like base material laminated with a photoresist resin with a large number of uniformly formed micro holes, and (c) is a metal layer obtained by etching the photoresist resin in (b). (D) is an enlarged cross-sectional view of the state in which a large number of fine holes are formed, and (D) is an enlarged cross-sectional view of the state (C) with the photoresist resin layer removed. DESCRIPTION OF SYMBOLS 1... Sheet-like base material, 2... Conductive metal layer, 3...
- Microscopic pores, 4... Metal part of the conductive metal layer, 5...
Photoresist resin, 6... Fine holes provided in the photoresist resin
Claims (1)
の上面全面に、多数の微細透孔が略均一又は適宜パター
ンに形成された透視性を有する導電性金属層を積層し、
該金属薄層を電磁波ノイズのシールド層とアンテナ材と
して機能させるようにしたことを特徴とする多機能シー
ト。 2 透明な合成樹脂製フィルム等から成るシート状基材
の上面全面に、多数の微細透孔が略均一又は適宜パター
ンに形成された透視性を有する導電性金属層積層し、該
金属薄層を電磁波ノイズのシールド層とヒータ材として
機能させるようにしたことを特徴とする多機能シート。 3 シート状基材は合わせガラスに挟持される合成樹脂
製シート材である特許請求の範囲第1項又は第2項に記
載の多機能シート。 4 透視率が70%以上である特許請求の範囲第1項又
は第2項に記載の多機能シート。 5 上面に導電性金属層を形成した透明な合成樹脂製フ
ィルム等から成るシート状基材の前記導電性金属層の上
に、フォトレジスト樹脂を微細透孔の多数が略均一に又
は適宜パターン状に形成されるように積層し硬化させた
後、エッチング加工により前記導電性金属層の前記樹脂
層が形成されていない部分を除去し、更に、必要に応じ
て前記金属層上に残されたフォトレジスト樹脂を除去す
ることを特徴とする多機能シートの製造方法。 6 上面に導電性金属層を形成した透明な合成樹脂製フ
ィルム等から成るシート状基材の前記導電性金属層の上
にフォトレジスト樹脂層を積層し、該樹脂層に微細孔形
の多数が略均一に又は適宜パターン状に形成されるよう
に硬化させた後、硬化されないフォトレジスト樹脂を除
去すると共にエッチング加工により前記導電性金属層に
微細透孔の多数を均一に又は適宜パターンに形成し、更
に、必要に応じて前記金属層上に残されたフォトレジス
ト樹脂を除去することを特徴とする多機能シートの製造
方法。 7 フォトレジスト樹脂層が着色したものである特許請
求の範囲第5項又は第6項に記載の多機能シートの製造
方法。[Scope of Claims] 1. A transparent conductive metal layer in which a large number of fine holes are formed substantially uniformly or in an appropriate pattern is laminated on the entire upper surface of a sheet-like base material made of a transparent synthetic resin film, etc. death,
A multifunctional sheet characterized in that the metal thin layer functions as an electromagnetic noise shielding layer and an antenna material. 2. A transparent conductive metal layer in which a large number of fine holes are formed substantially uniformly or in an appropriate pattern is laminated on the entire upper surface of a sheet-like base material made of a transparent synthetic resin film, etc., and the metal thin layer is laminated. A multifunctional sheet that functions as an electromagnetic noise shielding layer and a heater material. 3. The multifunctional sheet according to claim 1 or 2, wherein the sheet-like base material is a synthetic resin sheet material sandwiched between laminated glass. 4. The multifunctional sheet according to claim 1 or 2, which has a transparency of 70% or more. 5. On the conductive metal layer of a sheet-like base material, such as a transparent synthetic resin film with a conductive metal layer formed on the upper surface, a photoresist resin is applied so that a large number of fine holes are formed substantially uniformly or in an appropriate pattern. After laminating and curing the conductive metal layer so that the resin layer is formed, the part of the conductive metal layer where the resin layer is not formed is removed by etching, and if necessary, the photo remaining on the metal layer is removed. A method for producing a multifunctional sheet, characterized by removing resist resin. 6 A photoresist resin layer is laminated on the conductive metal layer of a sheet-like base material made of a transparent synthetic resin film or the like with a conductive metal layer formed on the upper surface, and a large number of micropores are formed in the resin layer. After curing to form substantially uniformly or in an appropriate pattern, the uncured photoresist resin is removed and a large number of fine holes are formed uniformly or in an appropriate pattern in the conductive metal layer by etching. . A method for producing a multifunctional sheet, further comprising removing photoresist resin left on the metal layer as necessary. 7. The method for producing a multifunctional sheet according to claim 5 or 6, wherein the photoresist resin layer is colored.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1040296A JPH02219637A (en) | 1989-02-22 | 1989-02-22 | Multifunctional sheet and its manufacture |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1040296A JPH02219637A (en) | 1989-02-22 | 1989-02-22 | Multifunctional sheet and its manufacture |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02219637A true JPH02219637A (en) | 1990-09-03 |
Family
ID=12576648
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1040296A Pending JPH02219637A (en) | 1989-02-22 | 1989-02-22 | Multifunctional sheet and its manufacture |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02219637A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006103761A1 (en) * | 2005-03-30 | 2006-10-05 | Fujitsu Limited | Radar system |
US7722948B2 (en) | 2005-10-06 | 2010-05-25 | Pilkington Group Limited | Laminated Glazing |
-
1989
- 1989-02-22 JP JP1040296A patent/JPH02219637A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006103761A1 (en) * | 2005-03-30 | 2006-10-05 | Fujitsu Limited | Radar system |
US7722948B2 (en) | 2005-10-06 | 2010-05-25 | Pilkington Group Limited | Laminated Glazing |
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