JPS62187807A - Light receiving and emitting module - Google Patents
Light receiving and emitting moduleInfo
- Publication number
- JPS62187807A JPS62187807A JP2909786A JP2909786A JPS62187807A JP S62187807 A JPS62187807 A JP S62187807A JP 2909786 A JP2909786 A JP 2909786A JP 2909786 A JP2909786 A JP 2909786A JP S62187807 A JPS62187807 A JP S62187807A
- Authority
- JP
- Japan
- Prior art keywords
- rod lens
- light receiving
- holding
- adjusting member
- emitting element
- 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.)
- Granted
Links
- 238000003466 welding Methods 0.000 claims abstract description 19
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、光通信等に用いられる受発光モジュールに関
するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a light receiving and emitting module used for optical communication and the like.
（従来の技術）
従来、この種の受発光モジュールは、第２図に示すよう
に構成されていた。第２図において、１１は受発光素子
、 １２は受発光素子１１を保持する受発光素子保持第
１部材、１３は受発光素子１１を保持する受発光素子保
持第２部材、１４は受発光素子１１とロッドレンズ１６
との相対的位置を調整する調整部材、１５はロッドレン
ズを保持するロッドレンズ保持部材である。受発光モジ
ュールは、非常に精密な精度により構成させねばならな
いので、受発光素子第１部材１２と受発光素子第２部材
１３により挟まれて保持される受発光素子１１に対し調
整部材１４を図の左右方向に動かしながら位置の調整を
してロッドレンズ１６との間の光軸の位置合わせをする
とともに、調整部材１４とロッドレンズ保持部材１５と
を図の上下方向に位置の微調整を施して受発光素子１１
に対してロッドレンズ１６を最適位置に位置させた後、
図中、ムマーク箇所に溶接を行うことにより形成されて
いた。(Prior Art) Conventionally, this type of light receiving and emitting module has been constructed as shown in FIG. In FIG. 2, 11 is a light receiving/emitting element, 12 is a first member holding a light receiving/emitting element that holds the light receiving/emitting element 11, 13 is a second member holding a light receiving/emitting element holding the light receiving/emitting element 11, and 14 is a light receiving/emitting element. 11 and rod lens 16
An adjustment member 15 is a rod lens holding member that holds the rod lens. Since the light emitting/receiving module must be constructed with extremely high precision, the adjusting member 14 is not shown in the figure for the light emitting/receiving element 11 held between the first member 12 and the second member 13 of the light emitting/receiving element. The position of the adjustment member 14 and the rod lens holding member 15 is adjusted in the horizontal direction to align the optical axis with the rod lens 16, and the adjustment member 14 and the rod lens holding member 15 are finely adjusted in the vertical direction in the figure. The light receiving/emitting element 11
After locating the rod lens 16 at the optimum position,
In the figure, it was formed by welding at the mark.
（発明が解決しようとする問題点）
このような従来の構成では、調整部材１４に、薄肉の箇
所を設けねばならず、そのため剛性が低くなっていた。(Problems to be Solved by the Invention) In such a conventional configuration, the adjustment member 14 must be provided with a thin portion, resulting in low rigidity.
また、図のように、段差部に溶接しなければならないの
で、溶接方向が不揃いとなり、製造が煩雑になるという
問題があった。In addition, as shown in the figure, since welding must be performed on the stepped portion, the welding direction becomes irregular, making manufacturing complicated.
本発明では、このような問題点を解決するもので、溶接
方向を一定に、また、構成の剛性の弱いところをなくす
ことを目的とするものである。The present invention aims to solve these problems by keeping the welding direction constant and eliminating the weak rigidity of the structure.
（問題点を解決するための手段）
この問題点を解決するために、本発明は、受発光素子と
、その受発光素子を保持する受発光素子保持部材と、ロ
ッドレンズと、そのロッドレンズを保持するロッドレン
ズ保持部材と、ロッドレンズと受発光素子間の相対位置
を調整するための調整部材とを具備し、位置調整後に隣
接する部材間を溶接して形成する受発光モジュールにお
いて。(Means for Solving the Problem) In order to solve this problem, the present invention provides a light receiving/emitting element, a light receiving/emitting element holding member for holding the light receiving/emitting element, a rod lens, and a rod lens. A light receiving/emitting module comprising a rod lens holding member for holding, and an adjusting member for adjusting the relative position between the rod lens and the light receiving/emitting element, and formed by welding adjacent members after position adjustment.
ロッドレンズ保持部材との溶接がなされる前記調整部材
の端部にテーパ部を形成するとともに、調整部材との溶
接がなされる受発光素子保持部材の端部に溶接用の凹部
を形成したことを特徴とするものである。A tapered portion is formed at the end of the adjustment member to be welded to the rod lens holding member, and a welding recess is formed at the end of the light receiving/emitting element holding member to be welded to the adjustment member. This is a characteristic feature.
（作用）
上記のように本発明によれば、ロッドレンズ保持部材と
調整部材との結合を、調整部材のテーパ部の先端に溶接
を施すことにより行なうことができるので、調整部材に
肉薄部を必要とせず、モジュールの剛性を増すことがで
きる。(Function) As described above, according to the present invention, the rod lens holding member and the adjusting member can be joined by welding the tip of the tapered part of the adjusting member, so that the thin part can be formed on the adjusting member. This can increase the rigidity of the module without requiring it.
また、受発光素子保持部と調整部材との結合を、受発光
素子保持第２部材の端部に設けた四部によって行なうの
で、溶接方向を常に一定とすることが可能となる。Further, since the light receiving/emitting element holding part and the adjusting member are connected by the four parts provided at the ends of the second member holding the light receiving/emitting element, it is possible to always keep the welding direction constant.
（実施例）
第１図は、本発明の一実施例による受発光モジュールの
構成断面図である。第１図において、１は受光および発
光を行なう受発光素子、２は受発光素子を保持する受発
光素子保持第１部材、３は受発光素子を保持する受発光
素子保持第２部材、４は受発光素子１とロッドレンズ６
との相対的位置を調整する調整部材、５はロッドレンズ
を保持するロッドレンズ保持部材である。調整部材４の
一端部にはテーパ部７を形成されており、その先端のム
マークのところで調整部材４とロッドレンズ保持部材５
との溶接を行なう。受発光素子保持第２部材の調整部材
４と接する一端部には凹部８が形成されており、その凹
部８のムマークの部分において調整部材４との溶接が行
なわれる。(Embodiment) FIG. 1 is a cross-sectional view of a structure of a light receiving/emitting module according to an embodiment of the present invention. In FIG. 1, 1 is a light receiving/emitting element that receives and emits light; 2 is a first member holding the light receiving/emitting element; 3 is a second member holding the light receiving/emitting element; 4 is a second member holding the light receiving/emitting element; Receiving/emitting element 1 and rod lens 6
5 is a rod lens holding member that holds the rod lens. A tapered portion 7 is formed at one end of the adjustment member 4, and the adjustment member 4 and the rod lens holding member 5 are connected to each other at the tip mark.
Perform welding with. A recess 8 is formed at one end of the second member holding the light emitting and receiving elements in contact with the adjustment member 4, and welding with the adjustment member 4 is performed at the mark portion of the recess 8.
上記のような構成の受発光モジュールの組み立てにおい
ては、受発光素子１を受発光素子保持第１部材２および
第２部材３によって挟持させる。In assembling the light emitting/receiving module configured as described above, the light emitting/receiving element 1 is held between the first member 2 and the second member 3 holding the light emitting/receiving element.
またロッドレンズ６をロッドレンズ保持部材５に保持さ
せ、そのロッドレンズ保持部材５を調整部材４に嵌入す
る。調整部材４を受発光素子を保持した保持部第１部材
２に当接し、図の左右方向に動かして受発光素子１とロ
ッドレンズ６の中心軸が一致するように調整位置させた
後、凹部８のムマークの部分において調整部材４との溶
接を行なう。次に受発光素子１とロッドレンズ６との距
離が所定の距離となるように、調整部材４に対しロッド
レンズ保持部材５を図の上下方向においてスライドさせ
て軸方向の位置の調整を行なった後、テーパ部７の先端
部の図のムマーク位置で調整部材４とロッドレンズ保持
部材５との溶接を施こす。Further, the rod lens 6 is held by the rod lens holding member 5, and the rod lens holding member 5 is fitted into the adjustment member 4. The adjustment member 4 is brought into contact with the first holding member 2 that holds the light emitting/receiving element 2, and moved in the left and right directions in the figure to align the center axes of the light emitting/receiving element 1 and the rod lens 6. Welding to the adjustment member 4 is performed at the part marked with the mark 8. Next, the axial position was adjusted by sliding the rod lens holding member 5 against the adjustment member 4 in the vertical direction in the figure so that the distance between the light receiving and emitting element 1 and the rod lens 6 was a predetermined distance. After that, the adjusting member 4 and the rod lens holding member 5 are welded at the position of the mark shown in the figure at the tip of the tapered portion 7.
調整部材４はテーパ部７を有し、その先端部において溶
接を施こすので、調整部材４自身を肉厚に構成すること
ができその剛性を高めることができる。また、受発光素
子保持第１部材２と調整部材４との接合を凹部８のとこ
ろでの溶接によって行なうので、最適位置調整を行なっ
た結果、受発光素子保持第１部材２と調整部材４との接
合部に段差部ができても、図のムマークのように溶接方
向は常に一定とすることができる。Since the adjusting member 4 has a tapered portion 7 and is welded at its tip, the adjusting member 4 itself can be made thick and its rigidity can be increased. Furthermore, since the first member 2 holding the light emitting/receiving element and the adjusting member 4 are joined by welding at the recess 8, as a result of the optimum position adjustment, the first member holding the light receiving/emitting element 2 and the adjusting member 4 are Even if there is a step in the joint, the welding direction can always be kept constant as shown by the mark in the figure.
（発明の効果）
上記のように本発明によれば、ロッドレンズ保持部材と
調整部材との結合を、調整部材のテーパ部の先端に溶接
を施すことにより行なうことができるので、調整部材を
肉厚に構成することができ。(Effects of the Invention) As described above, according to the present invention, the rod lens holding member and the adjusting member can be joined by welding the tip of the tapered portion of the adjusting member, so that the adjusting member can be made thinner. Can be made thicker.
モジュールの剛性を増すことができる。The rigidity of the module can be increased.
また、受発光素子保持部と調整部材との結合を。Also, the connection between the light receiving/emitting element holding part and the adjusting member.
受発光素子保持第２部材の端部に設けた凹部のところで
行なうので、溶接方向を常に一定とすることが可能とな
る。Since the welding is performed at the recess provided at the end of the second member holding the light receiving/emitting element, it is possible to always keep the welding direction constant.
第１図は本発明の一実施例による受発光モジュールの構
成断面図であり、第２図は従来の受発光モジュールの構
成断面図である。
１・・・受発光素子、２・・・受発光素子保持第１部材
、３・・・受発光素子保持第２部材、４・・・調整部材
、５・・・ロッドレンズ保持部材、６・・・ロッドレン
ズ、７・・・テーパ部、８・・・凹部。
特許出願人 松下電器産業株式会社
第１図
６・・づゆ渾しソでFIG. 1 is a sectional view of a structure of a light receiving/emitting module according to an embodiment of the present invention, and FIG. 2 is a sectional view of a conventional light receiving/emitting module. DESCRIPTION OF SYMBOLS 1... Receiving/emitting element, 2... First member holding the receiving/emitting element, 3... Second member holding the receiving/emitting element, 4... Adjustment member, 5... Rod lens holding member, 6... ...Rod lens, 7...Tapered part, 8...Concave part. Patent applicant Matsushita Electric Industrial Co., Ltd. Figure 1 6...
Claims (1)
持部材と、ロッドレンズと、そのロッドレンズを保持す
るロッドレンズ保持部材と、ロッドレンズと受発光素子
間の相対位置を調整するための調整部材とを具備し、位
置調整後に隣接する部材間を溶接して形成する受発光モ
ジュールにおいて、ロッドレンズ保持部材との溶接がな
される前記調整部材の端部にテーパを形成するとともに
、調整部材との溶接がなされる受発光素子保持部材の端
部に溶接用の凹部を形成したことを特徴とする受発光モ
ジュール。A light receiving/emitting element, a light receiving/emitting element holding member for holding the light receiving/emitting element, a rod lens, a rod lens holding member for holding the rod lens, and a rod lens for adjusting the relative position between the rod lens and the light receiving/emitting element. In the light emitting/receiving module, which is formed by welding adjacent members together after position adjustment, the adjusting member is tapered at the end of the adjusting member that is welded to the rod lens holding member; 1. A light emitting/receiving module characterized in that a recess for welding is formed at an end of a member holding a light emitting/receiving element to be welded to the light emitting/receiving element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2909786A JPH0627886B2 (en) | 1986-02-14 | 1986-02-14 | Receiving and emitting module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2909786A JPH0627886B2 (en) | 1986-02-14 | 1986-02-14 | Receiving and emitting module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62187807A true JPS62187807A (en) | 1987-08-17 |
| JPH0627886B2 JPH0627886B2 (en) | 1994-04-13 |
Family
ID=12266848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2909786A Expired - Lifetime JPH0627886B2 (en) | 1986-02-14 | 1986-02-14 | Receiving and emitting module |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0627886B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989009421A1 (en) * | 1988-03-22 | 1989-10-05 | Fujitsu Limited | Optical semiconductor device and production thereof |
| JPH0282207A (en) * | 1988-09-20 | 1990-03-22 | Fujitsu Ltd | Production of light emitting element connector |
| EP0365180A2 (en) * | 1988-10-17 | 1990-04-25 | AT&T Corp. | Method for welding relatively small parts |
| DE4021434A1 (en) * | 1989-07-05 | 1991-02-07 | Mitsubishi Electric Corp | OPTICAL SEMICONDUCTOR MODULE |
| JPH0810289B1 (en) * | 1988-03-22 | 1996-01-31 | ||
| EP1491928A2 (en) * | 2003-06-27 | 2004-12-29 | NEC Corporation | Optical element holder and optical communication module |
-
1986
- 1986-02-14 JP JP2909786A patent/JPH0627886B2/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989009421A1 (en) * | 1988-03-22 | 1989-10-05 | Fujitsu Limited | Optical semiconductor device and production thereof |
| US5033052A (en) * | 1988-03-22 | 1991-07-16 | Fujitsu Limited | Optical semiconductor device and production method thereof |
| JPH0810289B1 (en) * | 1988-03-22 | 1996-01-31 | ||
| JPH0282207A (en) * | 1988-09-20 | 1990-03-22 | Fujitsu Ltd | Production of light emitting element connector |
| EP0365180A2 (en) * | 1988-10-17 | 1990-04-25 | AT&T Corp. | Method for welding relatively small parts |
| DE4021434A1 (en) * | 1989-07-05 | 1991-02-07 | Mitsubishi Electric Corp | OPTICAL SEMICONDUCTOR MODULE |
| JPH0338605A (en) * | 1989-07-05 | 1991-02-19 | Mitsubishi Electric Corp | Optical semiconductor module |
| EP1491928A2 (en) * | 2003-06-27 | 2004-12-29 | NEC Corporation | Optical element holder and optical communication module |
| EP1491928A3 (en) * | 2003-06-27 | 2005-01-26 | NEC Corporation | Optical element holder and optical communication module |
| US7641401B2 (en) | 2003-06-27 | 2010-01-05 | Nec Corporation | Optical element holder and optical communication module |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0627886B2 (en) | 1994-04-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |