JP3995282B2 - Manufacturing method of optical transmitter array original plate - Google Patents
Manufacturing method of optical transmitter array original plate Download PDFInfo
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- JP3995282B2 JP3995282B2 JP33254595A JP33254595A JP3995282B2 JP 3995282 B2 JP3995282 B2 JP 3995282B2 JP 33254595 A JP33254595 A JP 33254595A JP 33254595 A JP33254595 A JP 33254595A JP 3995282 B2 JP3995282 B2 JP 3995282B2
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Description
【０００１】
【発明の属する技術分野】
本発明は、光伝送体アレイ原板の製造方法に関する。
【０００２】
【従来の技術】
所定長の光伝送体を２枚の基板間に複数本並行配列させた構造の光伝送体アレイは、ファクシミリ、複写機等の画像伝送体として用いられている。この光伝送体アレイは、例えば特開昭６１−５５６１０号公報にて開示されるように、２枚の基板の両端にスペーサーを設け、スペーサー間に棒状レンズを複数本並行に配列し、２枚の基板を閉じた後、並行配列した棒状レンズ間に架橋硬化型の液状接着剤を充填し、硬化処理することにより製造される。
【０００３】
しかしながら、かかる製造方法は、その加工に高精度及び高度の技術が要求され、また棒状光伝送体が長尺になるほど並行配列した個々の光伝送体の曲がりにより棒状光伝送体間隔が不均一となり、光学性能の低下を惹起する。
【０００４】
【発明が解決しようとする課題】
本発明の目的は、高度の熟練度を必要とすることなく、棒状光伝送体を高精度に配列した光伝送体アレイ原板を得ることにある。
【０００５】
【課題を解決するための手段】
本発明は、２枚の基板Ａ、Ｂ間に複数の棒状光伝送体が並行配列された構造の光伝送体アレイ原板の製造方法であって、平板上に吸引支持させて棒状光伝送体を並行配列し、片面に粘着剤を配置した基板Ａを重ねて棒状光伝送体と粘着させた後基板Ａと共に並行配列した棒状光伝送体を平板から剥離し、基板Ａの棒状光伝送体の並行配列面上に基板Ｂを重ね、２枚の基板Ａ、Ｂで挟持された棒状光伝送体の一方の配列端Ｃを液状の接着剤中に浸漬し、他方の配列端Ｄを前記配列端Ｃより上方に位置させた状態で減圧して接着剤を内部間隙に充填し棒状光伝送体同士及び棒状光伝送体と各基板とを接着することを特徴とする光伝送体アレイ原板の製造方法にある。
【０００６】
【発明の実施の形態】
本発明で用いられる棒状光伝送体としては、ステップインデックス型やグレーテッドインデックス型の光伝送体等が挙げられ、素材もガラス製、プラスチックス製のいずれであってもよく、特にプラスチックス製グレーテッドインデックス型の光伝送体が画像伝送特性の良好な光伝送体アレイを得る上で好ましく用いられる。また、棒状光伝送体として、棒状レンズが好ましく用いられる。
【０００７】
本発明においては、先ず、平板上に吸引支持させて棒状光伝送体を並行配列する。平板は、平板面に真空吸引機構に接続する真空吸引用の孔や溝を備え付け、棒状光伝送体を真空吸引させながら平板上に棒状光伝送体を並行配列する。平板面に真空吸引用の孔や溝を備えた平板は、プラスチックスで構成してもよいが、平滑性、耐食性の点でアルミニウム、ステンレススチール等で構成することが好ましい。
【０００８】
次に、片面に粘着剤を配置した基板Ａを、その粘着面と平板上の棒状光伝送体の並行配列面とを合わせて重ね棒状光伝送体と粘着させた後、基板Ａと共に並行配列した棒状光伝送体を平板から剥離する。基板Ａとしては、フェノール樹脂、ＡＢＳ樹脂等からなる板が用いられ、カーボンブラック等の遮光材が含まれることが好ましい。基板の面に配置する粘着剤としては、平板上から並行配列した棒状光伝送体を剥離し得る粘着力を有するものであればよく、粘着剤は、基板の片面の全面或いは帯状や筋状等の部分的にコート、スプレイ等により配置する。
【０００９】
次いで、基板Ａの棒状光伝送体の並行配列面上に基板Ｂを重ねる。基板Ｂは、基板Ａと同一の材料、形状であることが望ましい。また、基板Ｂをそのまま重ねる代わりに、棒状光伝送体を並行配列した基板Ａの形成と同様にして、予め棒状光伝送体を並行配列した基板Ｂを重ねてもよく、この場合は、基板Ａと基板Ｂの相互の棒状光伝送体を隙間が最小になるよう俵積み状にして積層配列する。また、基板Ａの棒状光伝送体の並行配列面上に、さらに棒状光伝送体を１層以上俵積み状に積層配列してもよい。棒状光伝送体の配列層を複数層とする場合は、任意の配列層間にスペーサーを介在させることもできる。
【００１０】
しかる後、２枚の基板Ａ、Ｂで挟持された棒状光伝送体の一方の配列端を液状の接着剤中に浸漬し、他方の配列端側を減圧して接着剤を内部間隙に充填し棒状光伝送体同士及び棒状光伝送体と各基板とを接着する。接着剤としては、紫外線硬化型や反応型の低粘度の液状の接着剤が用いられ、かかる接着剤としてシリコン系、エポキシ系等の接着剤が用いられる。また、接着剤にはカーボンブラック等の遮光材が含まれることが好ましい。本発明による光伝送体アレイ原板は、用途に応じ適宜幅に切断され、光伝送体アレイとして必要な任意の後加工処理が施される。
【００１１】
【実施例】
以下、本発明を実施例により具体的に説明する。
【００１２】
（実施例１）
基板として幅２４０ｍｍ、長さ１２０ｍｍ、厚さ１ｍｍの樹脂板２枚、光伝送体として直径９３０μｍのプラスチックス製グレーテッドインデックス型の棒状レンズを用いた。また、平板として幅２６０ｍｍ、長さ１４０ｍｍ、厚さ３０ｍｍのアルミニウム板で、表面に棒状レンズの配列方向と直角方向に２．５ｃｍ間隔に断面が４ｍｍ角の真空吸引用溝を設けたものを用い、真空吸引用溝は真空吸引機構と接続した。また、粘着剤としてスプレイ式ポストイット（スリーボンド社製水性感圧接着剤）、接着剤として反応型エポキシ系２液混合タイプを用いた。
【００１３】
平板上に棒状レンズを真空吸引しつつ２４０本並行配列した。次に、基板の片面に粘着剤を棒状レンズの配列方向と直角方向に端部近傍と中央部の３ヶ所に幅３ｍｍの筋状に厚さ０．０５ｍｍにスプレイして塗布し、この基板を、図１に示すように、その粘着面と平板上の棒状レンズの並行配列面とを合わせて重ね粘着させ、真空吸引を解除して並行配列した棒状レンズを基板と共に平板から剥離した。
【００１４】
得られた基板の棒状レンズの並行配列面上に他のもう一つの基板を重ねて棒状レンズ挟持体を得た。この棒状レンズ挟持体を、図２に示すように、一方の棒状レンズの配列端を接着剤浸漬治具に装着して液状の接着剤中に浸漬し、他方の配列端側を吸引治具に装着し減圧して接着剤を内部間隙に吸引充填した。２枚の基板の両側から０．５ｋｇ／ｃｍ2の荷重をかけて接着剤を硬化した。得られた原板を棒状レンズの配列方向と直角方向に約７ｍｍ幅に切断し、棒状レンズが配列した１３本のレンズアレイを得た。得られたレンズアレイの切断面を観察したところ、レンズ間隔が均等でレンズ同士及び基板とが完全に密着していることが確認された。
【００１５】
（実施例２）
実施例１と同様にして作製した棒状レンズを２４０本並行配列した基板と、棒状レンズを２３９本並行配列した基板とを、それぞれ棒状レンズが俵積み状になるよう重ねて棒状レンズ挟持体を得た。この棒状レンズ挟持体を用い、実施例１と同様にして棒状レンズが２層に配列したレンズアレイを得た。得られたレンズアレイの切断面を観察したところ、レンズ間隔が均等でレンズ同士及び基板とが完全に密着していることが確認された。
【００１６】
（実施例３）
実施例１において、基板の棒状レンズ２４０本の並行配列面に、図３に示すように、棒状レンズを２３９本俵積み状に積層配列した後、他のもう一つの基板を重ねて棒状レンズ挟持体を得た。この棒状レンズ挟持体を用い、実施例１と同様にして棒状レンズが２層に配列したレンズアレイを得た。得られたレンズアレイの切断面を観察したところ、レンズ間隔が均等でレンズ同士及び基板とが完全に密着していることが確認された。
【００１７】
【発明の効果】
本発明によれば、光伝送体アレイの製造において高度の熟練度を必要とすることなく、棒状光伝送体を高精度に配列した光伝送体アレイ原板を低コストで得ることができ、特に光伝送体がプラスチックス製光伝送体であるときは、配列の際にその曲がりを矯正することもでき、本発明は、光伝送体アレイ原板の製造に極めて有効なるものである。
【図面の簡単な説明】
【図１】本発明の光伝送体アレイの製造における配列工程の斜視図である。
【図２】本発明の光伝送体アレイの製造における接着剤充填工程の斜視図である。
【図３】本発明の光伝送体アレイの製造における積層配列工程の斜視図である。
【符号の説明】
１ 基板Ａ
２ 基板Ｂ
３ 棒状光伝送体
４ 平板
５ 真空吸引溝
６ 粘着剤
７ 接着剤
８ 接着剤浸漬治具
９ 吸引治具[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a method for manufacturing an optical transmitter array original plate.
[0002]
[Prior art]
An optical transmitter array having a structure in which a plurality of optical transmitters of a predetermined length are arranged in parallel between two substrates is used as an image transmitter for facsimiles, copiers and the like. For example, as disclosed in JP-A-61-55610, this optical transmission array is provided with spacers on both ends of two substrates, and a plurality of rod lenses arranged in parallel between the spacers. After the substrate is closed, a cross-linking curable liquid adhesive is filled between parallel-arranged rod-shaped lenses and cured.
[0003]
However, such a manufacturing method requires high precision and advanced technology for processing, and as the length of the rod-shaped light transmission bodies becomes longer, the intervals between the rod-shaped light transmission bodies become uneven due to the bending of the individual light transmission bodies arranged in parallel. , Causing a decrease in optical performance.
[0004]
[Problems to be solved by the invention]
An object of the present invention is to obtain an optical transmitter array original plate in which rod-shaped optical transmitters are arranged with high accuracy without requiring a high degree of skill.
[0005]
[Means for Solving the Problems]
The present invention relates to a method of manufacturing an optical transmitter array original plate having a structure in which a plurality of rod-shaped optical transmitters are arranged in parallel between two substrates A and B, and the rod-shaped optical transmitter is sucked and supported on a flat plate. After the substrates A with the adhesive arranged on one side are stacked and adhered to the rod-shaped optical transmission body, the rod-shaped optical transmission bodies arranged in parallel with the substrate A are peeled off from the flat plate, and the rod-shaped optical transmission body of the substrate A is parallel. The substrate B is stacked on the array surface, and one array end C of the rod-shaped optical transmission body sandwiched between the two substrates A and B is immersed in a liquid adhesive, and the other array end D is set as the array end C. A method of manufacturing an optical transmitter array original plate characterized in that the pressure is reduced in a state of being positioned higher and the adhesive is filled in the internal gap to stick the rod-shaped optical transmitters to each other and the rod-shaped optical transmitter and each substrate. is there.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Examples of the rod-shaped optical transmission body used in the present invention include a step index type and a graded index type optical transmission body. The material may be made of either glass or plastics. A Ted index type optical transmission body is preferably used in order to obtain an optical transmission body array with good image transmission characteristics. Moreover, a rod-shaped lens is preferably used as the rod-shaped optical transmission body.
[0007]
In the present invention, first, rod-shaped optical transmission bodies are arranged in parallel by being sucked and supported on a flat plate. The flat plate is provided with holes or grooves for vacuum suction connected to a vacuum suction mechanism on the flat plate surface, and the rod-shaped optical transmission bodies are arranged in parallel on the flat plate while vacuum-sucking the rod-shaped optical transmission bodies. A flat plate provided with holes and grooves for vacuum suction on the flat plate surface may be made of plastics, but is preferably made of aluminum, stainless steel or the like in terms of smoothness and corrosion resistance.
[0008]
Next, the substrate A on which the adhesive is arranged on one side is bonded to the stacked rod-shaped optical transmission body by aligning the adhesive surface and the parallel arrangement surface of the rod-shaped optical transmission body on the flat plate, and then aligned in parallel with the substrate A. The rod-shaped optical transmission body is peeled from the flat plate. As the substrate A, a plate made of phenol resin, ABS resin or the like is used, and it is preferable that a light shielding material such as carbon black is included. The adhesive to be disposed on the surface of the substrate may be any adhesive that can peel off the rod-shaped optical transmission bodies arranged in parallel on the flat plate, and the adhesive may be the entire surface of one side of the substrate or a strip or stripe. Partially arrange by coating, spraying, etc.
[0009]
Next, the substrate B is superimposed on the parallel arrangement surface of the rod-shaped optical transmission bodies of the substrate A. The substrate B is preferably the same material and shape as the substrate A. Further, instead of stacking the substrates B as they are, the substrates B in which the rod-shaped optical transmitters are arranged in parallel may be stacked in the same manner as the formation of the substrate A in which the rod-shaped optical transmitters are arranged in parallel. 2 and the substrate B are stacked in a stacked manner so that the gaps are minimized. Further, on the parallel arrangement surface of the rod-shaped optical transmission bodies of the substrate A, one or more rod-shaped optical transmission bodies may be stacked and arranged in a stacked manner. When the arrangement layer of the rod-shaped optical transmission body is a plurality of layers, a spacer can be interposed between arbitrary arrangement layers.
[0010]
Thereafter, one array end of the rod-shaped optical transmission body sandwiched between the two substrates A and B is immersed in a liquid adhesive, and the other array end is decompressed to fill the internal gap with the adhesive. The rod-shaped optical transmission bodies and the rod-shaped optical transmission bodies and each substrate are bonded. As the adhesive, an ultraviolet curable or reactive low-viscosity liquid adhesive is used, and a silicon-based or epoxy-based adhesive is used as the adhesive. The adhesive preferably contains a light shielding material such as carbon black. The optical transmitter array original plate according to the present invention is appropriately cut according to the application and subjected to any post-processing necessary as an optical transmitter array.
[0011]
【Example】
Hereinafter, the present invention will be specifically described by way of examples.
[0012]
Example 1
Two plastic plates having a width of 240 mm, a length of 120 mm, and a thickness of 1 mm were used as a substrate, and a plastics graded index rod-shaped lens having a diameter of 930 μm was used as an optical transmission body. Also, an aluminum plate having a width of 260 mm, a length of 140 mm, and a thickness of 30 mm as a flat plate and having a vacuum suction groove having a cross section of 4 mm square at 2.5 cm intervals on the surface in a direction perpendicular to the arrangement direction of the rod-shaped lenses is used. The vacuum suction groove was connected to a vacuum suction mechanism. Moreover, a spray type post-it (water pressure sensitive adhesive manufactured by Three Bond Co., Ltd.) was used as the pressure-sensitive adhesive, and a reactive epoxy two-component mixed type was used as the adhesive.
[0013]
240 rod-shaped lenses were arranged in parallel on a flat plate while being vacuum-sucked. Next, an adhesive is applied to one side of the substrate by spraying it to a thickness of 0.05 mm in a stripe shape of 3 mm in width in the vicinity of the end in the direction perpendicular to the arrangement direction of the rod-shaped lenses and in the middle. As shown in FIG. 1, the adhesive surface and the parallel arrangement surface of the rod-shaped lenses on the flat plate were put together and adhered, and vacuum suction was released to release the parallel arranged rod-shaped lenses from the flat plate together with the substrate.
[0014]
Another substrate was stacked on the parallel arrangement surface of the rod-shaped lenses of the obtained substrate to obtain a rod-shaped lens sandwiching body. As shown in FIG. 2, the rod-shaped lens sandwiching body is attached to the adhesive immersion jig with the array end of one rod-shaped lens immersed in a liquid adhesive, and the other array end side is used as a suction jig. It was mounted and decompressed, and the adhesive was sucked and filled into the internal gap. The adhesive was cured by applying a load of 0.5 kg / cm 2 from both sides of the two substrates. The obtained original plate was cut into a width of about 7 mm in a direction perpendicular to the arrangement direction of the rod-shaped lenses to obtain 13 lens arrays in which the rod-shaped lenses were arranged. When the cut surface of the obtained lens array was observed, it was confirmed that the distance between the lenses was uniform and the lenses and the substrate were completely adhered.
[0015]
(Example 2)
A substrate in which 240 rod-shaped lenses prepared in the same manner as in Example 1 are arranged in parallel and a substrate in which 239 rod-shaped lenses are arranged in parallel are overlapped so that the rod-shaped lenses are stacked in layers, thereby obtaining a rod-shaped lens sandwiching body. It was. Using this rod-shaped lens sandwiching body, a lens array in which rod-shaped lenses were arranged in two layers was obtained in the same manner as in Example 1. When the cut surface of the obtained lens array was observed, it was confirmed that the distance between the lenses was uniform and the lenses and the substrate were completely adhered.
[0016]
(Example 3)
In Example 1, as shown in FIG. 3, 239 rod-shaped lenses are stacked and arranged on the parallel arrangement surface of 240 rod-shaped lenses of the substrate, and another substrate is stacked to sandwich the rod-shaped lens. Got the body. Using this rod-shaped lens sandwiching body, a lens array in which rod-shaped lenses were arranged in two layers was obtained in the same manner as in Example 1. When the cut surface of the obtained lens array was observed, it was confirmed that the distance between the lenses was uniform and the lenses and the substrate were completely adhered.
[0017]
【The invention's effect】
According to the present invention, an optical transmitter array original plate in which rod-shaped optical transmitters are arranged with high precision can be obtained at low cost without requiring a high degree of skill in the manufacture of optical transmitter arrays. When the transmission body is an optical transmission body made of plastics, the bending can be corrected at the time of arrangement, and the present invention is extremely effective for manufacturing an optical transmission body array original plate.
[Brief description of the drawings]
FIG. 1 is a perspective view of an alignment process in manufacturing an optical transmission element array according to the present invention.
FIG. 2 is a perspective view of an adhesive filling process in the manufacture of the optical transmission element array of the present invention.
FIG. 3 is a perspective view of a stacking and arranging step in the manufacture of the optical transmission element array of the present invention.
[Explanation of symbols]
1 Substrate A
2 Substrate B
3 Bar-shaped optical transmission body 4
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33254595A JP3995282B2 (en) | 1995-11-29 | 1995-11-29 | Manufacturing method of optical transmitter array original plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33254595A JP3995282B2 (en) | 1995-11-29 | 1995-11-29 | Manufacturing method of optical transmitter array original plate |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005296002A Division JP3978219B2 (en) | 2005-10-11 | 2005-10-11 | Flat plate for arranging rod-shaped optical transmission bodies and method for arranging rod-shaped optical transmission bodies |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09152517A JPH09152517A (en) | 1997-06-10 |
| JP3995282B2 true JP3995282B2 (en) | 2007-10-24 |
Family
ID=18256124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP33254595A Expired - Fee Related JP3995282B2 (en) | 1995-11-29 | 1995-11-29 | Manufacturing method of optical transmitter array original plate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3995282B2 (en) |
-
1995
- 1995-11-29 JP JP33254595A patent/JP3995282B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09152517A (en) | 1997-06-10 |
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