JPH0755006Y2 - Optical communication module - Google Patents
Optical communication moduleInfo
- Publication number
- JPH0755006Y2 JPH0755006Y2 JP1987116106U JP11610687U JPH0755006Y2 JP H0755006 Y2 JPH0755006 Y2 JP H0755006Y2 JP 1987116106 U JP1987116106 U JP 1987116106U JP 11610687 U JP11610687 U JP 11610687U JP H0755006 Y2 JPH0755006 Y2 JP H0755006Y2
- Authority
- JP
- Japan
- Prior art keywords
- communication module
- light emitting
- stem
- optical communication
- tubular body
- 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.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
Description
【考案の詳細な説明】 〔産業上の利用分野〕 本考案は光伝送路を形成するための光通信モジュールに
関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to an optical communication module for forming an optical transmission line.
従来の光伝送に使用される発光ダイオード（LED）、レ
ーザーダイオード（LD）、フォトダイオード、アバラン
シェフォトダイオード等の電気信号−光信号変換用の光
通信モジュール（発光受光装置は、第５図に例示する如
く、セラミック材より成るフェルール１の中心軸部に穿
設した微細孔１′中に光ファイバＦを挿入し、ガラス、
半田、樹脂等の接着剤でもって固定している。この様な
フェルール１は外囲体２に装着され、さらにこの外囲体
２には発光受光素子３が装着され、該発光受光素子３の
リード４を備えたステム５に取付けられた構造のものが
ある。この場合、光ファイバＦは発光受光素子３と最適
の対応位置関係にセットされる。An optical communication module for converting an electric signal to an optical signal such as a light emitting diode (LED), a laser diode (LD), a photodiode, and an avalanche photodiode used for conventional optical transmission (a light emitting and receiving device is illustrated in FIG. 5). As described above, the optical fiber F is inserted into the fine hole 1'drilled in the central axis portion of the ferrule 1 made of a ceramic material, and glass,
It is fixed with an adhesive such as solder or resin. Such a ferrule 1 is mounted on an outer envelope 2, and further, a light emitting / receiving element 3 is attached to the outer body 2 and is attached to a stem 5 having a lead 4 of the light emitting / receiving element 3. There is. In this case, the optical fiber F is set in the optimum corresponding positional relationship with the light emitting and receiving element 3.
このほか、第６図に示したように球状レンズ６を装備し
た円筒体７を、発光受光素子３が取付けられたステム５
に固定した構造の発光受光装置などが多く使用されてい
る。In addition, as shown in FIG. 6, a cylindrical body 7 equipped with a spherical lens 6 is attached to a stem 5 to which a light emitting / receiving element 3 is attached.
A light emitting and receiving device having a fixed structure is often used.
上記の如き、第５図に示した従来の光通信モジュールで
は、発光受光素子３の発光受光面にファイバＦの先端位
置を正確に焦点を合わせる必要があるが、発光受光面へ
の発光受光機能を高効率とするための手段として光ファ
イバＦ自体に先球加工を行いフェルールＦに挿通し、か
つ外囲体２に固定したものを、さらに正確な位置にて、
ステム５に固定する必要があるなど構造が複雑で位置合
わせが非常に面倒であるなど量産性に乏しく高コストと
なっていた。As described above, in the conventional optical communication module shown in FIG. 5, it is necessary to accurately focus the tip position of the fiber F on the light emitting / receiving surface of the light emitting / receiving element 3. As a means for increasing the efficiency of the optical fiber F, the optical fiber F itself is processed into a spherical tip, inserted into the ferrule F, and fixed to the outer envelope 2 at a more accurate position.
The structure is complicated, such as the need to fix it to the stem 5, and the alignment is very troublesome, resulting in poor mass productivity and high cost.
また第６図に示した光通信モジュールでは円筒体７に球
状レンズ６を装着したものであるが、この場合球状レン
ズ６を装着した円筒体７をステム５に対し位置合わせし
た状態のもとに固定し封止することが容易でないばかり
でなく、球状レンズ６自体を製造することが非常に難し
い。Further, in the optical communication module shown in FIG. 6, the spherical lens 6 is attached to the cylindrical body 7, but in this case, the cylindrical body 7 with the spherical lens 6 attached is aligned with the stem 5. Not only is it difficult to fix and seal, but it is also very difficult to manufacture the spherical lens 6 itself.
すなわち、均一な焦点を持ち、かつ高度な真球度を持つ
ように研磨加工を施すことは熟練した高度な技術と加工
時間を要するため高コストで生産性が悪いという不都合
があった。That is, it takes high skill and high processing time to perform polishing so as to have a uniform focus and a high degree of sphericity, which is disadvantageous in that the cost is high and the productivity is low.
上記の如き、不都合を解消すべく、ステムに固定された
発光受光素子から光を高効率に導出したり、集光したり
するため発光受光素子に対応する位置に非球面レンズを
具備せしめて光通信モジュールを構成したことを特徴と
する。In order to eliminate the inconveniences as described above, in order to efficiently guide light from the light emitting / receiving element fixed to the stem or to collect the light, an aspheric lens is provided at a position corresponding to the light emitting / receiving element. The communication module is configured.
以下、本考案実施例を図によって具体的に説明する。
（従来例と同一部分は同一符号を使用する。） 第１図には本考案による光通信モジュールの中央部横断
面を示し、発光受光素子３が載置され、該素子３はリー
ド４、４′と接続されるように予め構成されたステム５
に対して、非球面レンズＬを装着した筒状体Ｐが固着さ
れる。この場合、筒状体Ｐに対する非球面レンズＬの取
付構造として非球面レンズＬには一体的に環状部l1と面
取り部l2とを形成しておき、環状部l1を上記筒状体Ｐに
挿入し、かつ面取り部l2に接着剤Ｂを流入することによ
って固定され、このように非球面レンズＬを備えた筒状
体Ｐの下端はステム５の周辺に形成した段部5aに合致す
ることによって固着される。かかる筒状体Ｐのステム５
に対する固定は接着剤、ガラス付け、ロウ接けなどの固
定手段が一般にとられる。Hereinafter, embodiments of the present invention will be specifically described with reference to the drawings.
(The same reference numerals are used for the same parts as in the conventional example.) FIG. 1 shows a central cross section of an optical communication module according to the present invention, on which a light emitting and receiving element 3 is mounted, and the element 3 has leads 4, 4 'Preconfigured stem 5 to be connected with
On the other hand, the cylindrical body P on which the aspherical lens L is mounted is fixed. In this case, as an attachment structure of the aspherical lens L to the tubular body P, the aspherical lens L is integrally formed with an annular portion l 1 and a chamfered portion l 2, and the annular portion l 1 is formed into the tubular body. The lower end of the cylindrical body P having the aspherical lens L is fixed to the stepped portion 5a formed around the stem 5 by inserting the adhesive B into the chamfered portion L 2 and fixing the adhesive B into the chamfered portion l 2. It is fixed by matching. Stem 5 of the tubular body P
For fixing to, a fixing means such as an adhesive, glass attachment, or brazing is generally used.
また、第２図で示された他の実施例のように筒状体Ｐを
外囲する如く、非球面レンズＬにフランジ部l3を一体的
に形成しておき、筒状体Ｐを覆うようにかぶせ、レンズ
の焦点位置を合わせた後、接着剤Ｂでもって固定する。
この場合、筒状体Ｐはステム５に前もって固着しておい
たものが用いられる。Further, as in the other embodiment shown in FIG. 2, a flange portion l 3 is integrally formed on the aspherical lens L so as to surround the tubular body P and covers the tubular body P. Then, after focusing on the lens, it is fixed with the adhesive B.
In this case, the tubular body P used is one that is fixed to the stem 5 in advance.
また、第３図に示した実施例のように筒状体Ｐの内側に
非球面レンズＬを圧入（嵌入）して固定してもよく、こ
の場合、筒状体Ｐは前もってステム５に固着してあるこ
とにより、非球面レンズＬの圧入距離を調整することに
よって同時に発光受光素子３に対する焦点をも合わせる
ことができる。Further, as in the embodiment shown in FIG. 3, the aspherical lens L may be press-fitted (fitted) inside the tubular body P, and in this case, the tubular body P is fixed to the stem 5 in advance. Accordingly, by adjusting the press-fit distance of the aspherical lens L, it is possible to simultaneously focus on the light emitting / receiving element 3.
ところで、上記非球面をしたレンズＬはガラス又はプラ
スチックで形成されるため、射出成型、鋳造、プレス成
型などで連続的に均一な特性をもった良質なレンズをも
たらすことができる。By the way, since the lens L having the aspherical surface is formed of glass or plastic, it is possible to provide a good quality lens having continuously uniform characteristics by injection molding, casting, press molding or the like.
叙上のように本考案によれば、非球面レンズでもってモ
ジュールを構成したことから、レンズ自体の生産がプレ
ス成型などで連続的に、かつ均一な特性をもったものが
安価に製造でき、しかも筒状体等への装着に適した環状
部分などを一体的に形成具備せしめることができるため
固定（取付）性がよくなり、その結果、焦点合せ及びそ
の後の固定作業も極めて容易となる。As described above, according to the present invention, since the module is composed of the aspherical lens, the production of the lens itself can be continuously performed by press molding or the like, and the one having uniform characteristics can be manufactured at low cost. In addition, since an annular portion or the like suitable for mounting on a tubular body or the like can be integrally formed and provided, the fixing (mounting) property is improved, and as a result, focusing and subsequent fixing operations are extremely easy.
さらに取付の位置収差がなくなり結合効率が10％以上も
アップし、また、非球面レンズにより屈折率を大きくで
きるため、全体形状をコンパクト化することができるな
ど多くの優れた作用効果をもった光通信モジュールを提
供することができる。Furthermore, there is no positional aberration of mounting, the coupling efficiency is improved by 10% or more, and the aspherical lens can increase the refractive index, so the overall shape can be made compact and many excellent optical effects can be obtained. A communication module can be provided.
第１図、第２図、第３図はともに本考案実施例による光
通信モジュールの中央部横断面を示した図である。第４
図及び第５図は従来の光通信モジュールの中央部横断面
図である。 3:発光受光素子、5:ステム L:非球面レンズ、P:筒状体1, FIG. 2 and FIG. 3 are cross-sectional views of the central portion of an optical communication module according to an embodiment of the present invention. Fourth
FIG. 5 and FIG. 5 are cross-sectional views of the central portion of a conventional optical communication module. 3: Light emitting / receiving element, 5: Stem L: Aspherical lens, P: Cylindrical body
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭54−9953（ＪＰ，Ａ) 特開 昭62−154790（ＪＰ，Ａ) 特開 昭55−105965（ＪＰ，Ａ) 特開 昭51−64171（ＪＰ，Ａ) ─────────────────────────────────────────────────── --- Continuation of the front page (56) Reference JP-A-54-9953 (JP, A) JP-A-62-154790 (JP, A) JP-A-55-105965 (JP, A) JP-A-51- 64171 (JP, A)
Claims (1)
受光素子を載置したステムに筒状体の一方端を嵌着する
とともに、上記筒状体の他方端には、焦点に上記発光受
光素子が位置するように上下に非球面を有する非球面レ
ンズを内挿し、封着して成る光通信モジュール。1. A stem on which a light emitting / receiving element connected to a lead pin is mounted at substantially the center, and one end of the tubular body is fitted to the stem, and the other end of the tubular body is provided with the light emitting / receiving light at a focal point. An optical communication module in which aspherical lenses having aspherical surfaces are inserted and sealed so that elements are positioned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987116106U JPH0755006Y2 (en) | 1987-07-29 | 1987-07-29 | Optical communication module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987116106U JPH0755006Y2 (en) | 1987-07-29 | 1987-07-29 | Optical communication module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6420750U JPS6420750U (en) | 1989-02-01 |
| JPH0755006Y2 true JPH0755006Y2 (en) | 1995-12-18 |
Family
ID=31358341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987116106U Expired - Lifetime JPH0755006Y2 (en) | 1987-07-29 | 1987-07-29 | Optical communication module |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0755006Y2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3093049B2 (en) * | 1992-09-22 | 2000-10-03 | ローム株式会社 | Optical branch coupler |
| JPH06208861A (en) * | 1993-01-12 | 1994-07-26 | Yazaki Corp | Lead-through structure of lead wire from inside of liquid container |
| JP2004078145A (en) * | 2001-11-09 | 2004-03-11 | Ccs Inc | Light supply arrangement |
| JP3960073B2 (en) * | 2002-02-21 | 2007-08-15 | ソニー株式会社 | Optical link device |
| JP2013200550A (en) * | 2012-02-20 | 2013-10-03 | Sumitomo Electric Ind Ltd | Lens component and optical module provided therewith |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5164171U (en) * | 1974-11-06 | 1976-05-20 | ||
| JPS549953A (en) * | 1977-06-24 | 1979-01-25 | Fujitsu Ltd | Optical matching method |
| JPS55105965U (en) * | 1979-01-19 | 1980-07-24 | ||
| JPH0750798B2 (en) * | 1985-12-27 | 1995-05-31 | 株式会社日立製作所 | Method for manufacturing semiconductor device for optical communication |
-
1987
- 1987-07-29 JP JP1987116106U patent/JPH0755006Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6420750U (en) | 1989-02-01 |
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