JPS62229884A - Photoelectric apparatus - Google Patents

Photoelectric apparatus

Info

Publication number
JPS62229884A
JPS62229884A JP62065711A JP6571187A JPS62229884A JP S62229884 A JPS62229884 A JP S62229884A JP 62065711 A JP62065711 A JP 62065711A JP 6571187 A JP6571187 A JP 6571187A JP S62229884 A JPS62229884 A JP S62229884A
Authority
JP
Japan
Prior art keywords
envelope
photoelectric
lead frame
package
lead frames
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
Application number
JP62065711A
Other languages
Japanese (ja)
Other versions
JPS6329431B2 (en
Inventor
Hatsuo Takesawa
初男 武沢
Kenichi Tsuchinuma
土沼 健一
Shuhei Katagiri
片桐 修平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toshiba Corp filed Critical Toshiba Corp
Priority to JP62065711A priority Critical patent/JPS62229884A/en
Publication of JPS62229884A publication Critical patent/JPS62229884A/en
Publication of JPS6329431B2 publication Critical patent/JPS6329431B2/ja
Granted legal-status Critical Current

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  • Led Device Packages (AREA)
  • Light Receiving Elements (AREA)

Abstract

PURPOSE:To obtain a mechanically stable photoelectric apparatus, to which optical fiber can be readily attached and removed, by fixing a package to circuit boards with lead frames and pins. CONSTITUTION:In photoelectric apparatuses 1 and 6, light emitting or light receiving photoelectric elements 41 are mounted on lead frames 2 and 7 and interconnected. A first package 42 comprising a molding body such as transpar ent epoxy resin is formed so as to bury a part of each of the lead frames 2 and 7 and the photoelectric elements 41. A second package 43 comprising a conductive member having a holding part 44, which is optically coupled with an optical connector 12, is molded or fixed at the outside of the first package 42. The lead frames 2 and 7 are connected to specified wirings 4 and 9 of circuit boards 5 and 10 with solders 3 and 8. At positions, which are separated from a plane where the lead frames 2 and 7 are formed, pins 46, which are embedded in the second package 43, are fixed to grounding circuits 4a and 9a through the circuit boards 5 and 10 with solders 3a and 8a.

Description

【発明の詳細な説明】 〔発明の目的〕 (産業上の利用分野) 本発明は光電装置に係り、特に回路基板に取着されて使
用される光伝送システム用の発光装置及び受光装置に関
する。
DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a photoelectric device, and more particularly to a light emitting device and a light receiving device for an optical transmission system that are attached to a circuit board and used.

(従来の技術) 光伝送システムは低雑音、広帯域など優れた特徴を有す
ることから1通信、 CATVはもちろん自動車、オー
ディオその他の民生機器の配線に広く使用されるように
なってきた。
(Prior Art) Optical transmission systems have excellent features such as low noise and wide bandwidth, and have therefore come to be widely used in wiring for communication, CATV, as well as automobiles, audio, and other consumer equipment.

その−例を第1図により説明すると、送信側の機器内の
回路基板(5)には電気信号を忠実に光信号に変換する
波形整形器電流増幅器など(以下周辺回路、と云う)と
、電気−光変換用のLED素子やLD素子などの発光素
子とがそれぞれ回路基板を介して配線されるか、または
発光素子と周辺回路用IC素子または発光素子を含む周
辺回路用IC素子を組み込んだ発光装置(1)がリード
フレーム(2)を介して半田(3)により所定配線(4
)に配線されている。
An example of this will be explained with reference to FIG. 1. The circuit board (5) in the transmitting device includes a waveform shaper, current amplifier, etc. (hereinafter referred to as peripheral circuit) that faithfully converts electrical signals into optical signals. A light emitting element such as an LED element or an LD element for electrical-optical conversion is wired via a circuit board, or a light emitting element and an IC element for a peripheral circuit, or an IC element for a peripheral circuit including a light emitting element is incorporated. A light emitting device (1) is connected to a predetermined wiring (4) with solder (3) via a lead frame (2).
).

また受信側の機器内の回路基板(lO)には光信号を忠
実に電気信号に変換するPD素子、APD素子などの受
光素子と周辺回路がそれぞれ回路基板を介して配線され
るか、または受光素子と周辺回路用IC素子、または受
光素子を含む周辺回路用IC素子を組み込んだ受光装置
(6)がリードフレーム(7)を介して半田(8)によ
り所定配線(9)に配線されている。そしてこの発光装
E (1)と受光装置(6)間は光フアイバコード(1
1)の両端に取着された光コネクタ(12)に光結合を
行ない、発光装置! (1)で電気−光変換を行なった
信号を受光装置(6)で光−電気変換を行なうようにな
されている。
In addition, on the circuit board (IO) in the receiving side equipment, light receiving elements such as PD elements and APD elements, which faithfully convert optical signals into electrical signals, and peripheral circuits are wired via circuit boards, or light receiving A light receiving device (6) incorporating an element and an IC element for a peripheral circuit, or an IC element for a peripheral circuit including a light receiving element, is wired to a predetermined wiring (9) by solder (8) via a lead frame (7). . An optical fiber cord (1) is connected between the light emitting device E (1) and the light receiving device (6).
1) is optically coupled to the optical connectors (12) attached to both ends of the light emitting device! The signal subjected to electrical-to-optical conversion in step (1) is subjected to optical-to-electrical conversion in a light receiving device (6).

次に第2図及び第3図によりこの発光装!(1)。Next, see Figures 2 and 3 to see this light emitting device! (1).

受光装置(6)の構造及びこれに装着される光フアイバ
コード(11)の端部に設けられた光コネクタの構造を
説明する。図中第1図と同一符号は同一部分を示す。
The structure of the light receiving device (6) and the structure of the optical connector provided at the end of the optical fiber cord (11) attached to the light receiving device (6) will be explained. In the figure, the same reference numerals as in FIG. 1 indicate the same parts.

即ち発光または受光用の光電素子(21)は通常透明な
エポキシ樹脂などのモールド体からなる第1の外囲器(
22)内にリードフレーム(2) (7)の一部と共に
埋設されており、この第1の外囲器(22)の外側には
光コネクタ(12)を介して光フアイバコード(11)
のファイバ(111)の光学研摩された端面(Ila)
と、光電素子(21)とが光結合する部分を除いて光遮
蔽部材からなるモールド体からなる第2の外囲器(23
)が設けられ、この第2の外囲器には一面に例えば4本
のリードフレーム(2) (7)が突出されており、こ
の面とほぼ直角な面には光コネクタ(12)を保持する
保持部(24)が設けられている。また光コネクタ(1
2)は、光フアイバコード(11)の端部にほぼ円柱状
の本体(13)の軸に沿って光フアイバコード(11)
及びファイバ(11□)が挿入される孔部を有し所定位
置に一体形成されたフランジ(14)及び保持部(24
)に嵌着する係止部(15)を有してなり、さらに光コ
ネクタ(12)の後端部にはこの光コネクタ(12)と
光フアイバコードとを固定するがしめリング(16)が
嵌着されている。
That is, the photoelectric element (21) for emitting or receiving light is usually formed of a first envelope (21) made of a molded body of transparent epoxy resin or the like.
An optical fiber cord (11) is embedded in the first envelope (22) together with a part of the lead frame (2) (7), and an optical fiber cord (11) is connected to the outside of the first envelope (22) via an optical connector (12).
optically polished end face (Ila) of the fiber (111) of
The second envelope (23) is made of a molded body made of a light shielding member except for the part where the photoelectric element (21) and the photoelectric element (21) are optically coupled.
), and this second envelope has, for example, four lead frames (2) (7) protruding from one surface, and a surface substantially perpendicular to this surface that holds an optical connector (12). A holding part (24) is provided to hold the holding part (24). Also, optical connector (1
2) The optical fiber cord (11) is attached along the axis of the substantially cylindrical body (13) at the end of the optical fiber cord (11).
and a flange (14) and a holding part (24) which have a hole into which the fiber (11□) is inserted and are integrally formed at a predetermined position.
), and a locking ring (16) is provided at the rear end of the optical connector (12) to fix the optical connector (12) and the optical fiber cord. It is fitted.

然るにこの様な構造からなる光電装置(1)(6)は第
2図及び第3図を見てもわかるように回路基板(5)(
10)に対する接続及び固定はり−ドブレーム(2)(
7)を回路基板(5)(10)の所定配M (4) (
9)に半田(3) (8)のみにて接続されており、光
コネクタ(12)をリードフレームの形成する平面に対
してほぼ直交する方向からスナップインする際に、矢印
(17)方向の力がかかりリードフレーム(2) (7
)を加工硬化→破断させる機械的な欠点がある。また光
コネクタ(12)の着脱の際に、リードフレーム(2)
 (7)が変形するため光コネクタ(12)の着脱作業
が容易でないという欠点がある。
However, as can be seen from FIGS. 2 and 3, the photoelectric devices (1) (6) having such a structure are made of circuit boards (5) (
10) Connection and fixing beam - dobe frame (2) (
7) to the predetermined layout M (4) (
9) with only solder (3) and (8), and when snapping in the optical connector (12) from a direction almost perpendicular to the plane formed by the lead frame, the Lead frame (2) (7)
) has mechanical drawbacks such as work hardening and breakage. Also, when attaching or detaching the optical connector (12), the lead frame (2)
There is a drawback that the optical connector (12) cannot be easily attached or detached because the optical connector (7) is deformed.

(発明が解決しようとする問題点) 上記したように光電装置を形成する際には、リードフレ
ームを破断させたり、光ファイバの着脱作業が容易でな
いといった欠点がある。そこで本発明はこれら従来の光
電装置の欠点にかんがみなされたもので、回路基板に固
定し易く1機械的に安定な光電装置を提供することを目
的とする。
(Problems to be Solved by the Invention) As described above, when forming a photoelectric device, there are drawbacks such as breakage of the lead frame and difficulty in attaching and detaching optical fibers. SUMMARY OF THE INVENTION The present invention has been made in view of these drawbacks of conventional photoelectric devices, and an object of the present invention is to provide a mechanically stable photoelectric device that is easy to fix to a circuit board.

〔発明の構成〕[Structure of the invention]

(問題点を解決するための手段) 本発明の光電装置では、光電素子が接続されたリードフ
レームの形成する平面から離間し、かっこの平面に対し
て光ファイバの挿入側の位置において、ピンが第2の外
囲器に植設され、このピンとリードフレームが回路基板
に固定されて外囲器を回路基板に支持し得るようにした
ことにより構成される。
(Means for Solving the Problems) In the photoelectric device of the present invention, the pin is spaced apart from the plane formed by the lead frame to which the photoelectric element is connected, and at a position on the insertion side of the optical fiber with respect to the plane of the bracket. The second envelope is implanted, and the pins and lead frame are fixed to the circuit board so that the envelope can be supported by the circuit board.

(作 用) 本発明の光電装置において、第1の外囲器と第2の外囲
器はリードフレームとピンにより回路基板に固定されて
いるので、リードフレームの破断や光ファイバの着脱の
不具合を防止することができる。
(Function) In the photoelectric device of the present invention, since the first envelope and the second envelope are fixed to the circuit board by the lead frame and pins, problems such as lead frame breakage and attachment/detachment of the optical fiber can be avoided. can be prevented.

(実施例) 次に第5図及び第6図により本発明の光電装置の一実施
例を説明する。図中光フアイバコード、光コネクタ、リ
ードフレームなどはほぼ同一なので同一符号を使用し特
に説明は行なわない。
(Embodiment) Next, an embodiment of the photoelectric device of the present invention will be described with reference to FIGS. 5 and 6. Since the optical fiber cord, optical connector, lead frame, etc. in the figures are almost the same, the same reference numerals will be used and no particular explanation will be given.

即ち光電装置(1) (6)は1発光または受光用の光
型素子または光電素子と周辺回路用IC素子または光電
素子を含む周辺回路用IC素子(以下単に光電素子と云
う) (41)を所定のリードフレーム(2) (7)
上に載置配線し、このリードフレーム(2) (7)の
一部と光電素子(41)を埋設するように透明なエポキ
シ樹脂などのモールド体からなる第1の外囲器(42)
を形成し、この第1の外囲器(42)の外側にモールド
成形または固着され、その一部に光コネクタとのスナッ
プインにより光結合を行なう保持部(44)を有する導
電性部材からなる第2の外囲器(43)からなる。この
第2の外囲器(43)のリードフレーム(2) (7)
の出口には光遮断および固着を兼ねた不透明接着剤層(
45)を設けると共にこれらリードフレーム(2) (
7)の形成する平面とは離間した位置にこの第2の外囲
器(43)に植設されたピン(46)を回路基板(5)
 (10)を介して接地回路(4a)(9a)に半田(
3a) (8a)により固定し得るようになされている
。また第2の外囲器(43)はリードフレーム(2) 
(7)との電気的接触およびリードフレーム切断部の形
状不ぞろいによる発光素子、受光素子の位置精度の悪化
を防ぐため凹部(50)を有している。
That is, the photoelectric device (1) (6) consists of one optical element or photoelectric element for emitting or receiving light, and an IC element for peripheral circuits or an IC element for peripheral circuits including the photoelectric element (hereinafter simply referred to as photoelectric element) (41). Predetermined lead frame (2) (7)
A first envelope (42) made of a molded body of transparent epoxy resin or the like is placed and wired thereon, and a part of the lead frame (2) (7) and the photoelectric element (41) are buried therein.
The first envelope (42) is molded or fixed on the outside of the first envelope (42), and is made of a conductive member that has a holding part (44) that performs optical coupling by snap-in with an optical connector. It consists of a second envelope (43). Lead frame (2) (7) of this second envelope (43)
There is an opaque adhesive layer (
45) and these lead frames (2) (
The pin (46) implanted in this second envelope (43) is placed in a position apart from the plane formed by the circuit board (5).
(10) to the ground circuits (4a) and (9a) by soldering
3a) It can be fixed by (8a). Further, the second envelope (43) is connected to the lead frame (2).
A recess (50) is provided to prevent deterioration of the positional accuracy of the light emitting element and light receiving element due to electrical contact with the lead frame (7) and irregular shapes of the cut portion of the lead frame.

この第2の外囲器(43)の材料としては例えば炭幸を
含有させたプラスチック成形物があり、この炭素の含有
量によりある程度任意に電導率をコントロールすること
が可能であるし、しかも成形前の樹脂材料に炭素を混ぜ
ておくだけでよく1作業的には簡便である。勿論炭素の
かわりに金属粉末その低導電性を上げるものであれば良
く、さらに作業性を考えれば金属のモールドその他作業
性のよい方法で成形してもよい。なお、ビン(46)は
細い銅線で充分である。
The material of this second envelope (43) is, for example, a plastic molded product containing charcoal, and the electrical conductivity can be controlled to some extent by controlling the carbon content, and moreover, it is possible to mold the material. This process is simple and requires only mixing carbon with the previous resin material. Of course, instead of carbon, metal powder may be used as long as it increases its low conductivity, and if workability is considered, metal molding or other methods with good workability may be used. Note that a thin copper wire is sufficient for the bottle (46).

また第2の外囲器(43)は一体部品で作られている必
要はなく、分割形成してもよく、分割されている場合、
そのすべてが導電性材料である必要もない。即ち例えば
光電素子(41)を含む第1の外囲器(42)の一部ま
たは全域にわたって導電材料からなる部品が固持され、
この部品と接触して固着された導電性ピンを回路基板の
接地配線に固着すればよい。さらに発光装置、受光装置
と光フアイバコードとの光結合は必ずしも光コネクタを
使用せずに直接第2の外VII器(43)と光フアイバ
コードを固着するような構造にしても良いことは勿論で
ある。
Further, the second envelope (43) does not need to be made of an integral part, and may be formed by dividing it, and if it is divided,
Not all of them need to be conductive materials. That is, for example, a part made of a conductive material is fixed over a part or the entire first envelope (42) including the photoelectric element (41),
The conductive pin that is fixed in contact with this component may be fixed to the ground wiring of the circuit board. Furthermore, it goes without saying that the optical coupling between the light emitting device, the light receiving device, and the optical fiber cord may be structured so that the second external VII device (43) and the optical fiber cord are directly fixed without necessarily using an optical connector. It is.

〔発明の効果〕〔Effect of the invention〕

以上述べたように本発明の構成によれば、回路基板に固
定し易く1機械的に安定で、かつ光ファイバの着脱の容
易な新規な光電装置を提供することができる。
As described above, according to the configuration of the present invention, it is possible to provide a novel photoelectric device that is easy to fix to a circuit board, is mechanically stable, and allows easy attachment and detachment of optical fibers.

【図面の簡単な説明】[Brief explanation of drawings]

第1図は光伝送回路を示す説明図、第2図は光電装置、
光フアイバケーブル及び光コネクタの関係の一例を示す
断面図、第3図は第2図の光電装置の底面図、第4図は
光電装置の他の例を示す断面図、第5図及び第6図は本
発明の光電装置の一実施例を示す図であり、第5図は光
電装置、光フアイバケーブル及び光コネクタの関係の一
例を示す断面図、第6図は第5図の光電装置の底面図で
ある。
Figure 1 is an explanatory diagram showing an optical transmission circuit, Figure 2 is a photoelectric device,
3 is a bottom view of the photoelectric device shown in FIG. 2; FIG. 4 is a sectional view showing another example of the photoelectric device; FIGS. The figures are diagrams showing one embodiment of the photoelectric device of the present invention, FIG. 5 is a sectional view showing an example of the relationship between the photoelectric device, the optical fiber cable, and the optical connector, and FIG. 6 is a diagram showing the photoelectric device of FIG. 5. It is a bottom view.

Claims (2)

【特許請求の範囲】[Claims] (1)発光または受光用の光電素子とこれと電気的に接
続されたリードフレームの一部を保持する第1の外囲器
と、この第1の外囲器を収容する外囲器であって、前記
光電素子との光結合を行なう光ファイバが挿入され、こ
の光ファイバを保持する保持部を有する第2の外囲器と
を備えた光電装置において、 前記光ファイバは前記リードフレームの形成する平面に
対してほぼ直交する方向から挿入されるとともに、前記
リードフレームの形成する平面から離間した位置におい
て第2の外囲器にピンが固定され、前記ピンと前記リー
ドフレームが回路基板に固定されて、前記第2の外囲器
を前記回路基板に支持し得るようにしたことを特徴とす
る光電装置。
(1) A first envelope that holds a photoelectric element for emitting or receiving light and a part of a lead frame electrically connected to the photoelectric element, and an envelope that houses the first envelope. In the photoelectric device, the optical fiber is inserted into a second envelope having a holding portion for holding the optical fiber, and the optical fiber is inserted into the second envelope for optically coupling with the photoelectric element. A pin is inserted into the second envelope from a direction substantially perpendicular to a plane formed by the lead frame, and is fixed to the second envelope at a position spaced apart from the plane formed by the lead frame, and the pin and the lead frame are fixed to the circuit board. A photoelectric device characterized in that the second envelope can be supported by the circuit board.
(2)前記ピンが前記リードフレームの形成する平面に
対して前記光ファイバの挿入側で前記第2の外囲器に植
設されていることを特徴とする特許請求の範囲第1項記
載の光電装置。
(2) The pin is implanted in the second envelope on the insertion side of the optical fiber with respect to a plane formed by the lead frame. Photoelectric device.
JP62065711A 1987-03-23 1987-03-23 Photoelectric apparatus Granted JPS62229884A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62065711A JPS62229884A (en) 1987-03-23 1987-03-23 Photoelectric apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62065711A JPS62229884A (en) 1987-03-23 1987-03-23 Photoelectric apparatus

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP6236081A Division JPS57177580A (en) 1981-04-27 1981-04-27 Device for light emission and detection

Publications (2)

Publication Number Publication Date
JPS62229884A true JPS62229884A (en) 1987-10-08
JPS6329431B2 JPS6329431B2 (en) 1988-06-14

Family

ID=13294876

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62065711A Granted JPS62229884A (en) 1987-03-23 1987-03-23 Photoelectric apparatus

Country Status (1)

Country Link
JP (1) JPS62229884A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0750204A1 (en) * 1995-06-22 1996-12-27 Hitachi, Ltd. Optical semiconductor array module, method of fabricating the module, and external board mounting structure of the module
EP1217407A2 (en) 2000-12-20 2002-06-26 The Furukawa Electric Co., Ltd. Optical/electric composite connector
US6499889B1 (en) * 1999-12-08 2002-12-31 Yazaki Corporation Method of assembling optical connector, optical connector and hybrid connector
US7267260B2 (en) * 2002-09-05 2007-09-11 Intel Corporation Apparatus for holding a fiber array

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50119292A (en) * 1974-02-21 1975-09-18
JPS51129244A (en) * 1975-04-18 1976-11-10 Bunker Ramo Optical device for focusing light beam
JPS5478147A (en) * 1977-12-05 1979-06-22 Hitachi Ltd Light guide

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50119292A (en) * 1974-02-21 1975-09-18
JPS51129244A (en) * 1975-04-18 1976-11-10 Bunker Ramo Optical device for focusing light beam
JPS5478147A (en) * 1977-12-05 1979-06-22 Hitachi Ltd Light guide

Cited By (6)

* Cited by examiner, † Cited by third party
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EP0750204A1 (en) * 1995-06-22 1996-12-27 Hitachi, Ltd. Optical semiconductor array module, method of fabricating the module, and external board mounting structure of the module
US5675685A (en) * 1995-06-22 1997-10-07 Hitachi Ltd. Optical semiconductor array module, method of fabricating the module, and external board mounting structure of the module
US6499889B1 (en) * 1999-12-08 2002-12-31 Yazaki Corporation Method of assembling optical connector, optical connector and hybrid connector
EP1217407A2 (en) 2000-12-20 2002-06-26 The Furukawa Electric Co., Ltd. Optical/electric composite connector
EP1217407B1 (en) * 2000-12-20 2010-10-20 The Furukawa Electric Co., Ltd. Optical/electric composite connector
US7267260B2 (en) * 2002-09-05 2007-09-11 Intel Corporation Apparatus for holding a fiber array

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