JPH1048478A - Optical parts and their production - Google Patents
Optical parts and their productionInfo
- Publication number
- JPH1048478A JPH1048478A JP20505696A JP20505696A JPH1048478A JP H1048478 A JPH1048478 A JP H1048478A JP 20505696 A JP20505696 A JP 20505696A JP 20505696 A JP20505696 A JP 20505696A JP H1048478 A JPH1048478 A JP H1048478A
- Authority
- JP
- Japan
- Prior art keywords
- optical
- optical fiber
- groove
- component
- holding
- 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.)
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- Mechanical Coupling Of Light Guides (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、単芯または多芯の
光ファイバ同士あるいはこれらと半導体光素子や光集積
回路とを簡単な工程で確実かつ経済的に結合・接続し得
る光部品及びその製造方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical component capable of securely and economically connecting / connecting single-core or multi-core optical fibers or a semiconductor optical element or an optical integrated circuit to these optical fibers and optical integrated circuits in a simple process. It relates to a manufacturing method.
【０００２】[0002]
【従来の技術】光通信システムを支える重要な技術とし
て、光ファイバ同士あるいは光ファイバと半導体レーザ
（ＬＤ）、受光素子（ＰＤ）等の半導体光素子や光集積
回路とを効率良く結合し、かつ安定に保持する接続技術
があるが、光通信システムの普及に伴い、安価な部品を
用いた、より経済的な接続技術が求められている。2. Description of the Related Art As an important technology for supporting an optical communication system, an optical fiber or an optical fiber is efficiently coupled with a semiconductor optical device such as a semiconductor laser (LD) or a light receiving device (PD) or an optical integrated circuit, and Although there is a connection technique for maintaining stability, with the spread of optical communication systems, a more economical connection technique using inexpensive components is required.
【０００３】ところで、光ファイバ、特に単一モード光
ファイバのコア径は約１０μｍと小さく、接続に際して
は微細で高精度な光学位置合わせが必要なため、光ファ
イバを確実に保持でき、高精度な整列や結合が可能な光
部品、具体的には石英、セラミック、シリコン単結晶等
の高硬度材料に対して高精度の研削加工法もしくは高精
度のリソグラフィ法によってＶ溝を作製したＶ溝部品に
よる接続が行われていた。Meanwhile, the core diameter of an optical fiber, particularly a single mode optical fiber, is as small as about 10 μm, and a fine and high-precision optical alignment is required at the time of connection. An optical component that can be aligned and bonded, specifically a V-groove component in which a V-groove is manufactured by a high-precision grinding method or a high-precision lithography method on a high-hardness material such as quartz, ceramic, or silicon single crystal. The connection was made.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、前述し
た従来のＶ溝部品には、以下のような問題があった。However, the above-mentioned conventional V-groove component has the following problems.
【０００５】(i) 精密加工法によって作製されるＶ溝部
品は高価である。(I) V-groove parts manufactured by the precision processing method are expensive.
【０００６】(ii)石英やセラミックを用いた研削加工法
による部品では、研削砥石の摩耗により寸法精度の再現
性が乏しく大量生産に適さない。また、リソグラフィ法
ではＳｉの結晶軸方向とフォトマスクの角度ずれによる
軸ずれが無視できないため、Ｖ溝の加工においては角度
が１度ずれることにより、１５μｍの軸ずれ量が発生す
ることが指摘されている。(Ii) In a part manufactured by a grinding method using quartz or ceramic, the reproducibility of the dimensional accuracy is poor due to wear of the grinding wheel, which is not suitable for mass production. Further, it is pointed out that in the lithography method, since the axis deviation due to the angle deviation between the crystal axis direction of Si and the photomask cannot be ignored, an angle deviation of 1 degree in the processing of the V-groove causes a 15 μm axis deviation amount. ing.
【０００７】(iii) 光ファイバをＶ溝部品に固定するた
めには光ファイバをＶ溝に設置した後、ガラスプレート
等で光ファイバを仮押さえして接着剤の硬化により長期
の保持に供しており、仮押さえが工程の煩雑化を招き、
さらにはコスト増加の一因となる。(Iii) In order to fix the optical fiber to the V-groove component, the optical fiber is set in the V-groove, and the optical fiber is temporarily held down by a glass plate or the like and held for a long time by curing the adhesive. The temporary holding causes the process to be complicated,
Further, this contributes to an increase in cost.
【０００８】(iv)Ｖ溝部品とガラスファイバは共に硬度
が高い材料であるため、両者が直接接触することによ
り、光ファイバ表面にミクロな傷を誘起し、長期的な信
頼性の面で問題がある。(Iv) Since both the V-groove component and the glass fiber are materials having high hardness, direct contact between the V-groove component and the glass fiber induces microscopic flaws on the surface of the optical fiber, which causes a problem in long-term reliability. There is.
【０００９】(v) Ｖ溝部品に光ファイバを保持した後に
良好な接合特性を得るため、ファイバ端面を研磨加工す
るが、該Ｖ溝部品が高硬度であるため研磨速度が遅く、
コスト増加をもたらす。(V) The end face of the fiber is polished in order to obtain good bonding characteristics after holding the optical fiber in the V-groove part.
This results in increased costs.
【００１０】(vi)Ｖ溝部品は高硬度材料であるため、形
状作製の任意性に乏しく、複雑な形状の部品を作製する
のは困難であり、無理に作製した場合のコストは莫大な
ものとなる。(Vi) Since the V-groove parts are made of a high-hardness material, the arbitrariness of the shape production is poor, and it is difficult to produce a part having a complicated shape. Becomes
【００１１】本発明の目的は、光ファイバを簡単な工程
で確実かつ経済的に結合・接続し得る光部品及びその製
造方法を提供することにある。An object of the present invention is to provide an optical component capable of securely and economically connecting and connecting an optical fiber with a simple process and a method of manufacturing the same.
【００１２】[0012]
【課題を解決するための手段】本発明では、前記課題を
解決するため、少なくとも１本の光ファイバ心線を含む
光ファイバ同士あるいは該光ファイバと半導体光素子や
光集積回路とを接続する光部品において、光ファイバ心
線の本数に対応した個数のＶ溝を有するＶ溝部と、光フ
ァイバを被覆付きのまま収容する凹部とが樹脂組成物に
より形成されたＶ溝部品を具備する光部品を提案する。According to the present invention, in order to solve the above-mentioned problems, optical fibers including at least one optical fiber core or optical fibers for connecting the optical fibers to a semiconductor optical device or an optical integrated circuit. In the component, an optical component having a V-groove component in which a V-groove portion having a number of V-grooves corresponding to the number of optical fiber cores and a concave portion for accommodating an optical fiber while being coated is formed of a resin composition. suggest.
【００１３】前記構成によれば、光ファイバ同士あるい
はこれらと半導体光素子や光集積回路との接続を、樹脂
組成物により形成された安価な部材により簡便な工程で
実現することができる。According to the above configuration, the connection between the optical fibers or between them and the semiconductor optical device or the optical integrated circuit can be realized by simple steps using inexpensive members made of the resin composition.
【００１４】また、樹脂組成物により形成され、Ｖ溝部
品の外周に嵌め込み装着し、バネ機構あるいは圧入機構
により光ファイバを保持・整列させる押さえ蓋を備えた
ものによれば、Ｖ溝部品に対する嵌め込み構造により、
光ファイバを短時間でかつ確実にＶ溝内に保持・整列さ
せることができる。Further, according to the one provided with a holding lid which is formed of a resin composition, is fitted and mounted on the outer periphery of the V-groove part, and holds and aligns the optical fiber by a spring mechanism or a press-fitting mechanism, the fitting to the V-groove part is performed. By structure
The optical fiber can be held and aligned in the V-groove in a short time and reliably.
【００１５】また、樹脂組成物により形成され、Ｖ溝部
品の内部にバネ機構あるいは圧入機構により嵌め込み、
挿入圧着して装着することにより光ファイバを保持・整
列させる押さえ蓋を備えたものによれば、Ｖ溝部品に対
する嵌め込み構造により、光ファイバを短時間でかつ確
実にＶ溝内に保持・整列させることができる。Further, it is formed of a resin composition and fitted into the V-groove component by a spring mechanism or a press-fitting mechanism.
According to the one provided with the holding lid for holding and aligning the optical fiber by inserting and crimping, the optical fiber is held and aligned in the V-groove in a short time and reliably by the fitting structure to the V-groove component. be able to.
【００１６】また、押さえ蓋に光ファイバ心線を押圧す
る凸部を設ければ、光ファイバの位置決めを正確かつ迅
速に行える。Further, if a convex portion for pressing the optical fiber is provided on the holding lid, the positioning of the optical fiber can be performed accurately and quickly.
【００１７】また、各部材を光透過性を有する樹脂組成
物により形成すれば、光ファイバの長期保持のために用
いる光硬化型の接着剤を容易にかつ短時間で硬化させる
ことが可能となり、光ファイバの終端化処理を経済的に
できる。Further, if each member is formed of a resin composition having optical transparency, it becomes possible to easily and quickly cure a photocurable adhesive used for long-term holding of an optical fiber, Optical fiber termination processing can be performed economically.
【００１８】また、光部品の各部材を樹脂組成物の射出
成形法またはトランスファ成形法により作製すれば、金
型内に樹脂を充填する事により作製でき、同一形状の光
部品を高精度で安価、かつ大量に作製できる。Further, if each member of the optical component is manufactured by an injection molding method or a transfer molding method of a resin composition, it can be manufactured by filling a resin in a mold, and an optical component having the same shape can be manufactured with high precision at a low cost. , And can be manufactured in large quantities.
【００１９】[0019]
【発明の実施の形態】以下、本発明を実施の形態に従っ
て詳しく説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail according to embodiments.
【００２０】[0020]
【第１の形態】図１は本発明の光部品の第１の実施の形
態を示すもので、ここでは４本の光ファイバ心線を含む
光テープファイバに対応した例を示す。FIG. 1 shows an optical component according to a first embodiment of the present invention. Here, an example corresponding to an optical tape fiber including four optical fibers is shown.
【００２１】即ち、図中、１１は４本の光ファイバ心線
を保持・整列させるＶ溝部であり、平面上に４個のＶ溝
１１ａが形成されている。また、１２は光ファイバを被
覆付きのまま収容する凹部であり、Ｖ溝部１１の後部に
配置されている。１３は後述する押さえ蓋を係止するた
めの凸部であり、幅方向の両端にそれぞれ形成されてい
る。これらの各部材１１、１２及び１３は樹脂組成物に
より一体的に形成されてＶ溝部品１０が構成されてい
る。That is, in the figure, reference numeral 11 denotes a V-groove for holding and aligning four optical fiber cores, and four V-grooves 11a are formed on a plane. Numeral 12 denotes a concave portion for accommodating the optical fiber as it is covered, and is arranged at the rear of the V-groove portion 11. Numeral 13 denotes convex portions for locking a holding lid described later, which are formed at both ends in the width direction. These members 11, 12, and 13 are integrally formed of a resin composition to form the V-groove component 10.
【００２２】成形に使用した樹脂は石英含有エポキシ樹
脂であり、射出成形法により作製した。図２に金型仕様
を、また、図３に射出成形条件を示す。ここで、Ｖ溝幅
は１４０．３μｍ、Ｖ溝深さは１２１．５μｍ、Ｖ溝角
度は６０度、Ｖ溝間隔は２５０μｍとし、金型の寸法精
度を±０．３μｍとすることにより、１μｍ以下の形状
精度で作製することができた。The resin used for molding was a quartz-containing epoxy resin, which was produced by an injection molding method. FIG. 2 shows the mold specifications, and FIG. 3 shows the injection molding conditions. Here, the V groove width is 140.3 μm, the V groove depth is 121.5 μm, the V groove angle is 60 degrees, the V groove interval is 250 μm, and the dimensional accuracy of the mold is ± 0.3 μm, so that 1 μm It could be manufactured with the following shape accuracy.
【００２３】こうして作製したＶ溝部品１０に、４心テ
ープファイバをガラスプレートを押さえ板に用いて、接
着剤により固定した。接着剤の熱硬化条件は８０℃、２
時間とした。こうして作製した整列光ファイバブロック
はファイバ間のピッチ精度が１ミクロン以下となってい
るため、光モジュールとの接続損失が約２ｄＢ以下とな
る。接続信頼性を恒温恒湿試験（４０℃、９０％）によ
り調べた結果、２０００時間経過しても接続特性の変化
は１０％以内であり、十分な信頼性が確認できた。A four-core tape fiber was fixed to the V-groove component 10 thus manufactured by using an adhesive with a glass plate as a holding plate. The thermosetting condition of the adhesive is 80 ° C, 2
Time. Since the aligned optical fiber block thus manufactured has a pitch accuracy of 1 micron or less between fibers, the connection loss with the optical module is about 2 dB or less. As a result of examining the connection reliability by a constant-temperature and constant-humidity test (40 ° C., 90%), a change in connection characteristics was within 10% even after 2000 hours, and sufficient reliability was confirmed.
【００２４】[0024]
【第２の形態】図４は本発明の第２の実施の形態を示す
もので、ここでは図１に示したＶ溝部品１０に押さえ蓋
を組み合わせて光テープファイバを保持・整列させるよ
うになした例を示す。Second Embodiment FIG. 4 shows a second embodiment of the present invention, in which a V-groove component 10 shown in FIG. 1 is combined with a holding lid to hold and align an optical tape fiber. Here is an example.
【００２５】即ち、図中、２０はＶ溝部品１０の外周に
嵌め込み装着し、圧入機構により光ファイバを保持・整
列させる押さえ蓋であり、前述したＶ溝部品１０の凸部
１３に嵌め込みが可能なツメ状部２１をその両端にそれ
ぞれ有している。この押さえ蓋２０は透明な樹脂材料
（例えば、ポリカーボネイト等）で成形した。That is, in the drawing, reference numeral 20 denotes a holding cover which is fitted and mounted on the outer periphery of the V-groove component 10 and holds and aligns the optical fiber by a press-fitting mechanism, and can be fitted into the convex portion 13 of the V-groove component 10 described above. Each has a claw-shaped portion 21 at each end. The holding lid 20 is formed of a transparent resin material (for example, polycarbonate or the like).
【００２６】また、３０は光テープファイバであり、４
本の光ファイバ心線３１が被覆３２により略平行に配列
・保持されている。Reference numeral 30 denotes an optical tape fiber;
The optical fiber cores 31 are arranged and held substantially in parallel by a coating 32.
【００２７】ここで、一対のツメ状部２１間の長さＬ1
を凸部１３が形成されたＶ溝部品１０の幅Ｌ2 より２０
０ミクロン程度小さく作製し、押さえ蓋２０をＶ溝部品
１０に上方より圧挿することにより、該押さえ蓋２０を
Ｖ溝部品１０に嵌合させることができる。また、この
際、ツメ状部２１上部の空隙ｌ1 をＶ溝部品１０の凸部
１３の厚みｌ2 より数ミクロン程度大きく作製し、かつ
押さえ蓋２０の厚みを最適に設計することにより、Ｖ溝
側の下面で各光ファイバ心線３１を数ミクロン押さえ込
むことが可能となり、押さえ蓋２０の圧入機構により光
ファイバを保持・整列することができるようになる。Here, the length L 1 between the pair of claw-shaped parts 21 is shown.
From the width L 2 of the V-groove component 10 on which the convex portion 13 is formed.
The holding cover 20 can be fitted into the V-groove component 10 by manufacturing the holding lid 20 into the V-groove component 10 by pressing the holding lid 20 into the V-groove component 10 from above. At this time, the gap l 1 above the claw-shaped part 21 is made several microns larger than the thickness l 2 of the convex part 13 of the V-groove part 10, and the thickness of the holding lid 20 is designed optimally, so that the V The optical fibers 31 can be pressed down by several microns on the lower surface on the groove side, and the optical fibers can be held and aligned by the press-fitting mechanism of the holding lid 20.
【００２８】また、ツメ状部２１上部の空隙ｌ1 をＶ溝
部品１０の凸部１３の厚みｌ2 より１０〜２０ミクロン
程度小さく作製した場合は、押さえ蓋２０全体が弾性変
形して光ファイバ心線３１を押し込むようなバネ機構を
果たし、結果として光ファイバを保持・整列することが
できる。さらに、樹脂組成物であるから、押さえ蓋２０
に光ファイバ心線３１を個々に確実に固定し易いように
微細な凸部２２を形成することも容易であり、前述の圧
入機構やバネ機構による光ファイバ保持・整列をより簡
単かつ確実に行える構造も実現できる。When the gap l 1 above the claw-shaped part 21 is made smaller than the thickness l 2 of the convex part 13 of the V-groove component 10 by about 10 to 20 μm, the entire holding lid 20 is elastically deformed and the optical fiber A spring mechanism for pushing the cord 31 is performed, and as a result, the optical fiber can be held and aligned. Furthermore, since it is a resin composition, the holding lid 20
It is also easy to form the fine projections 22 so that the optical fibers 31 can be easily fixed individually, and the above-mentioned press-fitting mechanism and spring mechanism can more easily and reliably hold and align the optical fibers. The structure can also be realized.
【００２９】従って、以上のような構造の部材を用いた
場合の光テープファイバの保持・整列の工程は、まず、
光テープファイバ３０の被覆３２を所要の長さで除去し
た後、Ｖ溝部品１０のＶ溝部１１及び凹部１２に硬化性
の接着材を塗布あるいは滴下し、各光ファイバ心線３１
をＶ溝１１ａ内に設置し、押さえ蓋２０を圧挿すること
により、光テープファイバ３０が固定され、さらに接着
剤を硬化するための熱処理もしくは紫外線の照射を行う
ことにより、簡単かつ容易にファイバの終端処埋が完了
できることになる。Accordingly, the steps of holding and aligning the optical tape fiber when using the member having the above structure are as follows.
After removing the coating 32 of the optical tape fiber 30 by a required length, a curable adhesive is applied or dropped onto the V-groove portion 11 and the concave portion 12 of the V-groove component 10, and each optical fiber core 31
Is set in the V-groove 11a, and the pressing tape 20 is pressed in, thereby fixing the optical tape fiber 30. Further, by performing heat treatment for curing the adhesive or irradiation of ultraviolet light, the fiber can be easily and easily formed. Can be completed.
【００３０】[0030]
【第３の形態】図５は本発明の第３の実施の形態を示す
もので、ここでは２本の光ファイバ心線を含む光テープ
ファイバに対応した例を示す。Third Embodiment FIG. 5 shows a third embodiment of the present invention. Here, an example corresponding to an optical tape fiber including two optical fiber cores is shown.
【００３１】即ち、図中、４０はＶ溝部４１及び凹部４
２を備えたＶ溝部品、５０は押さえ蓋、６０は２本の光
ファイバ心線６１を含む光テープファイバである。基本
構造は第１、第２の実施の形態の場合と同様であり、成
形条件等も第１、第２の実施の形態の場合と同様であ
る。また、Ｖ溝４１ａの成形精度も第１、第２の実施の
形態の場合と同様であり、全ての寸法精度を１μｍ以内
とすることができた。That is, in the figure, reference numeral 40 denotes a V groove 41 and a concave 4
2 is a V-groove component, 50 is a holding lid, and 60 is an optical tape fiber including two optical fiber cores 61. The basic structure is the same as in the first and second embodiments, and the molding conditions and the like are the same as those in the first and second embodiments. The molding accuracy of the V-shaped groove 41a was the same as in the first and second embodiments, and all the dimensional accuracy could be kept within 1 μm.
【００３２】本例では光ファイバテープを押さえ込む押
さえ蓋５０がＶ溝部品４０内に収納できる構造としてあ
る。押さえ蓋５０は寸法精度を必要としないため、従来
技術で使われでいる素材、例えばガラスプレートを容易
に用いることができるとともに、透明な樹脂材料を成形
して用いることも可能であることを確認した。In this embodiment, the holding cover 50 for holding the optical fiber tape is structured so as to be accommodated in the V-groove component 40. Since the holding lid 50 does not require dimensional accuracy, it is confirmed that materials used in the prior art, for example, a glass plate can be easily used, and that a transparent resin material can be molded and used. did.
【００３３】樹脂材料で押さえ蓋５０を作製すると、Ｖ
溝部品４０との形状設計で噛み合わせ、嵌め込み構造が
容易に作製できるので、光ファイバの固定が容易にでき
る。When the holding lid 50 is made of a resin material, V
Since the meshing and fitting structure can be easily manufactured by the shape design with the groove component 40, the optical fiber can be easily fixed.
【００３４】具体的には、押さえ蓋５０の両側面にＶ溝
部品４０に向かって厚みが減ずるように形成された楔形
の微小突起５１を適宜形成し、一方、Ｖ溝部品４０には
微小突起５１と嵌合する配置で微小窪み４３を形成して
おき、押さえ蓋５０をファイバの設置してある方向にＶ
溝部品４０へ押し込むことで光ファイバ６０を容易に固
定できる。More specifically, wedge-shaped minute projections 51 formed on both sides of the holding lid 50 so as to decrease in thickness toward the V-groove component 40 are appropriately formed. A minute depression 43 is formed in such a manner as to be fitted with 51, and the holding lid 50 is set in the direction in which the fiber is installed.
By pushing the optical fiber 60 into the groove component 40, the optical fiber 60 can be easily fixed.
【００３５】ここで、微小突起５１及び微小窪み４３を
形成する位置を、押さえ蓋５０の嵌合の際に、ファイバ
を１０ミクロンレベルで押し込むように設定した場合
は、押さえ蓋５０が全体に弾性変形してバネ機構として
光ファイバを保持・固定することになり、また、数ミク
ロン以内で接するように設定した場合は、単なる押さえ
蓋５０の圧入機構で光ファイバを保持することになる。
このようなバネ機構あるいは圧入機構を選択するのは光
ファイバの固定の仕方の要求程度により任意に選択でき
る。Here, when the positions where the minute projections 51 and the minute depressions 43 are formed are set so that the fibers are pushed in at the level of 10 μm when the holding cover 50 is fitted, the holding cover 50 is entirely elastic. The optical fiber is deformed to hold and fix the optical fiber as a spring mechanism. When the optical fiber is set to be in contact within several microns, the optical fiber is held by a simple press-fitting mechanism of the holding lid 50.
Selection of such a spring mechanism or a press-fitting mechanism can be arbitrarily selected depending on the required degree of the manner of fixing the optical fiber.
【００３６】本例では光ファイバの固定を確実にするた
め、押さえ蓋５０に個別ファイバの押さえ用に微細凸部
５２も形成してある。但し、この凸部５２は設計により
省略しても本発明の効果を減じることはない。また、第
２の実施の形態と同様に透明樹脂で蓋が形成されると光
硬化型の樹脂接着剤を効率的に硬化することが可能とな
り、部品の経済比とともに、光ファイバの保持、整列工
程の時間を短縮することが可能となり、トータルのコス
トダウンが実現できる。In this embodiment, in order to secure the fixing of the optical fiber, the holding lid 50 is also provided with a fine projection 52 for holding the individual fiber. However, even if this convex portion 52 is omitted by design, the effect of the present invention is not reduced. Further, when the lid is formed of a transparent resin as in the second embodiment, it is possible to efficiently cure the photo-curable resin adhesive, and the economical ratio of the components as well as the holding and alignment of the optical fiber. The process time can be reduced, and total cost reduction can be realized.
【００３７】第２の実施の形態と同様にして光モジュー
ルの組立を行い、接続損失を評価したところ、約２ｄＢ
以下であり、第２の実施の形態と同様であった。また、
接続信頼性を恒温恒湿試験（８５温度、８５％）により
調べた結果、３０００時間経過しても接続特性の変化は
１０％以内であり、十分な信頼性が確認できた。The optical module was assembled in the same manner as in the second embodiment, and the connection loss was evaluated.
The following is the same as in the second embodiment. Also,
As a result of examining the connection reliability by a constant temperature and humidity test (85 temperature, 85%), the change in connection characteristics was within 10% even after 3000 hours, and sufficient reliability was confirmed.
【００３８】[0038]
【第４の形態】図６は本発明の第４の実施の形態を示す
もので、ここでは第２の実施の形態で示した構造の光部
品を、嵌め込み構造でなく、外側から金属のバネ機構部
品７０によって光ファイバを保持・固定した場合の例を
示すものである。この際、Ｖ溝部品１０及び押さえ蓋２
０は互いに嵌合する構造とせず、つまり嵌め込み用の凸
部及びツメ状部を形成しないで、前記金属バネ部品７０
で外側からのバネ機構で該光部品を形成することができ
る。Fourth Embodiment FIG. 6 shows a fourth embodiment of the present invention. In this embodiment, an optical component having the structure shown in the second embodiment is not a fitting structure but a metal spring from the outside. This shows an example in which the optical fiber is held and fixed by the mechanical component 70. At this time, the V-groove component 10 and the holding lid 2
No. 0 does not have a structure in which the metal spring parts 70 are fitted with each other, that is, without forming a fitting projection and a claw-shaped part.
Thus, the optical component can be formed by a spring mechanism from the outside.
【００３９】[0039]
【第５の形態】また、図７は本発明の第５の実施の形態
を示すもので、ここでは第３の実施の形態で示した構造
の光部品を、嵌め込み構造でなく、外側から金属のバネ
機構部品８０によって光ファイバを保持・固定した場合
の例を示すものである。この際、Ｖ溝部品４０及び押さ
え蓋５０を嵌合しない構造として金属バネ部品８０を外
側からのバネ機構により光ファイバを保持・固定するこ
とも可能である。Fifth Embodiment FIG. 7 shows a fifth embodiment of the present invention. In this embodiment, the optical component having the structure shown in the third embodiment is not a fitting structure but a metal component from the outside. This shows an example in which the optical fiber is held and fixed by the spring mechanism component 80 of FIG. At this time, it is also possible to hold and fix the optical fiber by a spring mechanism from the outside of the metal spring component 80 as a structure in which the V-groove component 40 and the holding lid 50 are not fitted.
【００４０】なお、本発明はこれまで説明した実施の形
態に限定されないことはいうまでもなく、全体の形状寸
法、Ｖ溝の本数、ピッチ間隔寸法、バネ機構、圧入機構
等の構造は任意に成形できる。また、樹脂材料は所要の
寸法精度を実現できれば、どのような種類のものを使用
できる。また、トランスファ成形法によっても前述した
実施の形態の場合と同等の寸法精度並びに接続特性が得
られることを確認しており、この点でも制限されること
はない。It is needless to say that the present invention is not limited to the above-described embodiments, and that the overall shape, the number of V-grooves, the pitch interval, the spring mechanism, the press-fitting mechanism, etc. can be arbitrarily set. Can be molded. In addition, any type of resin material can be used as long as required dimensional accuracy can be realized. In addition, it has been confirmed that the same dimensional accuracy and connection characteristics as those of the above-described embodiment can be obtained by the transfer molding method, and there is no limitation in this respect.
【００４１】[0041]
【発明の効果】以上説明したように、本発明によれば、
樹脂成形により光部品を作製できるので、 極めて安価に作製でき、 寸法精度が良く、接続特性に優れており、さらにま
た、接続信頼性が高く、 光ファイバの保持・整列を極めて簡便、容易、高精
度、かつ経済的に実現できる。As described above, according to the present invention,
Since optical components can be manufactured by resin molding, they can be manufactured at extremely low cost, have good dimensional accuracy, have excellent connection characteristics, and have high connection reliability, making it extremely simple, easy, and easy to hold and align optical fibers. Accuracy can be realized economically.
【図１】本発明の光部品の第１の実施の形態を示す説明
図FIG. 1 is an explanatory view showing a first embodiment of an optical component according to the present invention.
【図２】光部品の金型仕様を示す説明図FIG. 2 is an explanatory view showing a mold specification of an optical component.
【図３】光部品の射出成形条件を示す説明図FIG. 3 is an explanatory diagram showing injection molding conditions for an optical component.
【図４】本発明の光部品の第２の実施の形態を示す説明
図FIG. 4 is an explanatory view showing a second embodiment of the optical component of the present invention.
【図５】本発明の光部品の第３の実施の形態を示す説明
図FIG. 5 is an explanatory view showing a third embodiment of the optical component of the present invention.
【図６】本発明の光部品の第４の実施の形態を示す説明
図FIG. 6 is an explanatory view showing a fourth embodiment of the optical component of the present invention.
【図７】本発明の光部品の第５の実施の形態を示す説明
図FIG. 7 is an explanatory view showing a fifth embodiment of the optical component of the present invention.
１０，４０…Ｖ溝部品、１１，４１…Ｖ溝部、１１ａ，
４１ａ…Ｖ溝、１２，４２…凹部、１３…凸部、２０，
５０…押さえ蓋、２１…ツメ状部、２２…凸部、３０，
６０…光テープファイバ、３１，６１…光ファイバ心
線、３２…被覆、４３…微小窪み、５１…微小突起、５
２…微細凸部、７０，８０…バネ機構部品。10, 40 ... V-groove parts, 11, 41 ... V-groove parts, 11a,
41a: V groove, 12, 42: concave portion, 13: convex portion, 20,
50 ... lid, 21 ... claws, 22 ... convex, 30,
Reference numeral 60: optical tape fiber, 31, 61: optical fiber core, 32: coating, 43: minute depression, 51: minute projection, 5
2. Fine projections, 70, 80: Spring mechanism parts.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 首藤 義人 東京都新宿区西新宿３丁目19番２号 日本 電信電話株式会社内 (72)発明者 田村 保暁 東京都新宿区西新宿３丁目19番２号 日本 電信電話株式会社内 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Yoshito Shuto 3-19-2 Nishi-Shinjuku, Shinjuku-ku, Tokyo Nippon Telegraph and Telephone Corporation (72) Inventor Yasuaki Tamura 3--19 Nishi-Shinjuku, Shinjuku-ku, Tokyo No. 2 Nippon Telegraph and Telephone Corporation
Claims (6)
光ファイバ同士あるいは該光ファイバと半導体光素子や
光集積回路とを接続する光部品において、 光ファイバ心線の本数に対応した個数のＶ溝を有するＶ
溝部と、光ファイバを被覆付きのまま収容する凹部とが
樹脂組成物により形成されたＶ溝部品を具備することを
特徴とする光部品。An optical fiber including at least one optical fiber core, or an optical component for connecting the optical fiber to a semiconductor optical element or an optical integrated circuit, wherein the number of V fibers corresponding to the number of optical fiber cores is V. V with groove
An optical component, comprising: a V-groove component in which a groove and a recess for receiving an optical fiber with a coating are formed of a resin composition.
外周に嵌め込み装着し、バネ機構あるいは圧入機構によ
り光ファイバを保持・整列させる押さえ蓋を備えたこと
を特徴とする請求項１記載の光部品。2. The holding device according to claim 1, further comprising a holding cover formed of a resin composition, fitted and mounted on the outer periphery of the V-groove component, and holding and aligning the optical fiber by a spring mechanism or a press-fitting mechanism. Optical components.
内部にバネ機構あるいは圧入機構により嵌め込み、挿入
圧着して装着することにより光ファイバを保持・整列さ
せる押さえ蓋を備えたことを特徴とする請求項１記載の
光部品。3. A retainer lid formed of a resin composition, which is fitted into a V-groove component by a spring mechanism or a press-fitting mechanism, and is inserted and press-fitted to mount and hold an optical fiber. The optical component according to claim 1.
部を設けたことを特徴とする請求項２または３記載の光
部品。4. The optical component according to claim 2, wherein a convex portion for pressing the optical fiber is provided on the holding lid.
より形成されていることを特徴とする請求項１乃至４い
ずれか記載の光部品。5. The optical component according to claim 1, wherein each member is formed of a resin composition having optical transparency.
製造方法において、 各部材を樹脂組成物の射出成形法またはトランスファ成
形法により作製したことを特徴とする光部品の製造方
法。6. The method of manufacturing an optical component according to claim 1, wherein each member is manufactured by an injection molding method or a transfer molding method of a resin composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20505696A JPH1048478A (en) | 1996-08-02 | 1996-08-02 | Optical parts and their production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20505696A JPH1048478A (en) | 1996-08-02 | 1996-08-02 | Optical parts and their production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH1048478A true JPH1048478A (en) | 1998-02-20 |
Family
ID=16500717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20505696A Pending JPH1048478A (en) | 1996-08-02 | 1996-08-02 | Optical parts and their production |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH1048478A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000026707A1 (en) * | 1998-11-02 | 2000-05-11 | Ngk Insulators, Ltd. | Optical fiber array using resin lid substrate |
| KR20020068677A (en) * | 2001-02-22 | 2002-08-28 | 주식회사 오랜텍 | Optical fiber block |
| JP2008175881A (en) * | 2007-01-16 | 2008-07-31 | Sumitomo Electric Ind Ltd | Optical module |
| KR100988299B1 (en) | 2008-10-21 | 2010-10-18 | 부산대학교 산학협력단 | Manufacturing method of polymer planar lightwave circuit device using imprint process |
| JP2012053186A (en) * | 2010-08-31 | 2012-03-15 | Nitto Denko Corp | Optical sensor module |
| JP2020012926A (en) * | 2018-07-17 | 2020-01-23 | 日本電信電話株式会社 | Optical fiber guide component, optical connection structure, and manufacturing method thereof |
-
1996
- 1996-08-02 JP JP20505696A patent/JPH1048478A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000026707A1 (en) * | 1998-11-02 | 2000-05-11 | Ngk Insulators, Ltd. | Optical fiber array using resin lid substrate |
| KR20020068677A (en) * | 2001-02-22 | 2002-08-28 | 주식회사 오랜텍 | Optical fiber block |
| JP2008175881A (en) * | 2007-01-16 | 2008-07-31 | Sumitomo Electric Ind Ltd | Optical module |
| KR100988299B1 (en) | 2008-10-21 | 2010-10-18 | 부산대학교 산학협력단 | Manufacturing method of polymer planar lightwave circuit device using imprint process |
| JP2012053186A (en) * | 2010-08-31 | 2012-03-15 | Nitto Denko Corp | Optical sensor module |
| JP2020012926A (en) * | 2018-07-17 | 2020-01-23 | 日本電信電話株式会社 | Optical fiber guide component, optical connection structure, and manufacturing method thereof |
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