JPH01166629A - Transmission system between printed circuit boards - Google Patents
Transmission system between printed circuit boardsInfo
- Publication number
- JPH01166629A JPH01166629A JP62323873A JP32387387A JPH01166629A JP H01166629 A JPH01166629 A JP H01166629A JP 62323873 A JP62323873 A JP 62323873A JP 32387387 A JP32387387 A JP 32387387A JP H01166629 A JPH01166629 A JP H01166629A
- Authority
- JP
- Japan
- Prior art keywords
- optical
- printed circuit
- circuit board
- signals
- array
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 22
- 230000003287 optical effect Effects 0.000 claims abstract description 53
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 230000008054 signal transmission Effects 0.000 claims description 7
- 230000003321 amplification Effects 0.000 abstract description 6
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 6
- 238000003491 array Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 10
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 238000001459 lithography Methods 0.000 description 2
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 description 1
- QTKPMCIBUROOGY-UHFFFAOYSA-N 2,2,2-trifluoroethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC(F)(F)F QTKPMCIBUROOGY-UHFFFAOYSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- -1 benzyl dimethyl ketal Chemical compound 0.000 description 1
- 230000001588 bifunctional effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Optical Communication System (AREA)
- Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、ＩＣ５ＬＳＩ、抵抗、コンデンサ、その他の
各種電子部品が、予め基板に所定の配置で形成された配
線によって、相互に接続配線されたプリント基板間の信
号伝送方式に関するものである。[Detailed Description of the Invention] [Field of Industrial Application] The present invention is a system in which IC5LSIs, resistors, capacitors, and other various electronic components are interconnected by wiring formed in a predetermined arrangement on a substrate. This relates to a signal transmission method between printed circuit boards.
従来のプリント基板間信号伝送は、電気コネクタ、フラ
ットケーブル等によりすべて電気式に処理するようにな
っているが、配線本数の増大に伴い、配線の収納空間、
耐ノイズ性能、不要電磁波の放射などの問題が発生して
いる。Conventional signal transmission between printed circuit boards is handled entirely electrically using electrical connectors, flat cables, etc. However, as the number of wires increases, storage space for the wires,
Problems such as noise resistance and the emission of unnecessary electromagnetic waves have arisen.
上記のような電磁障害を無くし、耐雑音性を上げる目的
で、特開昭６１−９０４０号や特開昭６１−２８２４０
号公報開示の様な光伝送方式が提案されている。In order to eliminate the above-mentioned electromagnetic interference and improve noise resistance, JP-A-61-9040 and JP-A-61-28240 are
An optical transmission system as disclosed in the above publication has been proposed.
しかし、例えば、特開昭６１−９０４０号公報では、信
号の伝送媒体として光ファイバーを用いるため、並列−
直列の信号変換を行う手間がかかり、かつ、そのために
伝送速度が遅くなる。又、特開昭６１−２８２４０号公
報では、並列信号間の認識を行うために特別の手法を使
わなければならず、又、本質的に受光レベルを高く取れ
ない。However, for example, in Japanese Patent Application Laid-Open No. 61-9040, since optical fiber is used as the signal transmission medium, parallel
It takes time and effort to perform serial signal conversion, and this slows down the transmission speed. Further, in Japanese Patent Application Laid-Open No. 61-28240, a special method must be used to recognize parallel signals, and the light reception level cannot be essentially achieved.
本発明は、従来の電気伝送方式に比べ、耐ノイズ性に優
れ、不要な電磁波の放射のない伝送方式であり、かつ、
本質的に信号伝送速度の速い伝送方式を提供するもので
ある。The present invention is a transmission method that has superior noise resistance compared to conventional electrical transmission methods and does not emit unnecessary electromagnetic waves, and
This essentially provides a transmission method with high signal transmission speed.
本発明は、電子機器のプリント基板間の信号伝送におい
て、並列の複数個の電気信号を電気−光変換して並列の
光信号とする手段と、この光信号を並列に伝送する伝送
媒体としてフィルム状の光導波路列を用いる光伝送手段
と、該光導波路列により伝送された並列光信号を光−電
気変換し並列の電気信号とする手段とを具備することを
特徴とするプリント基板間伝送方式に関するものである
。The present invention provides a means for electrical-to-optical conversion of a plurality of parallel electrical signals into parallel optical signals in signal transmission between printed circuit boards of electronic equipment, and a film as a transmission medium for transmitting the optical signals in parallel. An inter-printed circuit board transmission system comprising: an optical transmission means using an array of optical waveguides, and a means for optical-to-electrical conversion of parallel optical signals transmitted by the array of optical waveguides to convert them into parallel electrical signals. It is related to.
本発明による伝送方式では、プリント基板から取り出し
た複数の並列信号をそのまま複数の光信号とし、信号の
数と同じだけの複数の光導波路列を通して信号を伝送す
る点に特徴がある。従って並列信号を直列の信号に変換
し伝送する方式に比べ、全信号の伝送速度を速くするこ
とができる。The transmission method according to the present invention is characterized in that a plurality of parallel signals taken out from a printed circuit board are directly converted into a plurality of optical signals, and the signals are transmitted through a plurality of optical waveguide arrays as many as the number of signals. Therefore, compared to a method in which parallel signals are converted into serial signals and transmitted, the transmission speed of all signals can be increased.
本発明におけるフィルム状の光導波路列とは、特開昭５
３−１１０５４３号公報、Ａｐｐｌ、 ０ｐｔｉｃｓ、
ｕ、 ｐ６４６．１９７Ｂ 、Ａｐｐｌ、 Ｐｈｙｓ
、 Ｌｅｔｔ、、」ムｐ７２．１９７４、電子通信学会
論文誌Ｊ６６−Ｃ，ｐ１４５．１９８３．０ｐｔｉｃｓ
Ｃｏ＋ｗ＋ａｕｎｉｃａｔｉｏｎｓ」Ｌｐ１２９．１９
７６ 、特開昭５８−１５８６１２号公報、特願昭６１
−２１７２３６号、特願昭６１−２２６１２７号、特願
昭６２−１４９７９７号の明細書等で提案されているフ
ィルム状にリソグラフインクに先導波路を形成したもの
を用い得る。The film-like optical waveguide array in the present invention is
Publication No. 3-110543, Appl, 0ptics,
u, p646.197B, Appl, Phys
, Lett,, p72.1974, Journal of the Institute of Electronics and Communication Engineers J66-C, p145.1983.0ptics
Co+w+aunications” Lp129.19
76, Japanese Unexamined Patent Publication No. 158612/1982, Patent Application No. 1983
217236, Japanese Patent Application No. 61-226127, Japanese Patent Application No. 62-149797, etc., a film-like lithographic ink in which a leading wave path is formed can be used.
上記の様な先導波路は、１枚のフィルム上に複数の光導
波路列を１回のリソグラフィー操作により形成すること
ができ、工程の簡便さや生産性の高さが特徴である。The above-mentioned guide waveguide can form a plurality of optical waveguide arrays on one film by a single lithography operation, and is characterized by a simple process and high productivity.
又、このようなリソグラフィツクに形成された先導波路
は、位置精度よく光コネクタに接続できるため受発光素
子との光結合を高くすることが容易である。リングラフ
インクに形成された先導波路の中でも特にリッジ型先導
波路は、埋め込み型光導波路に比べてＶ溝による位置合
わせ方法を用いることができ、高い光結合を容易に得る
ことができる。Furthermore, since the leading waveguide formed using such lithography can be connected to an optical connector with high positional accuracy, it is easy to increase the optical coupling with the light receiving and emitting elements. Among the guide waveguides formed in the phosphor ink, the ridge-type guide waveguide in particular can use a V-groove alignment method compared to a buried optical waveguide, and can easily obtain high optical coupling.
次に、本発明の実施例を図面等を用いて示す。 Next, embodiments of the present invention will be described using drawings and the like.
第１図は本発明によるプリント基板間伝送方式の１実施
例のブロック図である。FIG. 1 is a block diagram of one embodiment of the printed circuit board-to-print board transmission system according to the present invention.
図においてプリント基板Ａより出力される信号は、基板
Ａの端子部より、電気コネクタ１を通じて、信号増幅部
２で増幅され、発光素子アレー３で、電気−光信号変換
される。３から出力された光信号は、光コネクタ４によ
り、フィルム状光導波路列５に結合され、光コネクタ４
゛により、受光素子アレー６に導かれ、光−電気信号変
換を受ける。受光素子アレー６から出力される電気信号
は、受光信号増幅部７で増幅され、電気コネクタ１゛を
通じて、相手側のプリント基板Ｂの端子部へ伝送される
。In the figure, a signal output from a printed circuit board A is amplified by a signal amplification section 2 from a terminal section of the circuit board A through an electrical connector 1, and is converted into an electrical-to-optical signal by a light emitting element array 3. The optical signal outputted from the optical connector 3 is coupled to the film-like optical waveguide array 5 by the optical connector 4.
The light is guided to the light-receiving element array 6 and undergoes optical-to-electrical signal conversion. The electrical signal output from the light receiving element array 6 is amplified by the light receiving signal amplifying section 7 and transmitted to the terminal section of the printed circuit board B on the other side through the electrical connector 1'.
一方、プリント基板Ｂから出力される信号は、電気コネ
クタ１″、信号増幅部２°、発光素子アレー３゛、光コ
ネクタ４″、フィルム状光導波路列５、光コネクタ４、
受光素子アレー６゛、信号増幅部７゛、電気コネクタ１
を経て、プリント基板Ａの端子部へ伝送される。On the other hand, the signal output from the printed circuit board B includes an electrical connector 1'', a signal amplification section 2°, a light emitting element array 3'', an optical connector 4'', a film-like optical waveguide array 5, an optical connector 4,
Photodetector array 6゛, signal amplification section 7゛, electrical connector 1
The signal is then transmitted to the terminal section of the printed circuit board A.
５０μｍ厚みのポリエステルフィルムに１．１．１−
トリフルオロエチルメタクリレートとグリシジルメタク
リレートの共重合体〔共重合組成比（重量）７５／２５
、弗素系共重合体と称す。〕に５５重量のマレイン酸を
メチルエチルケトンに溶解した溶液で１０μｍの厚みの
コートを行いベースフィルムとした。1.1.1- on a 50 μm thick polyester film
Copolymer of trifluoroethyl methacrylate and glycidyl methacrylate [copolymer composition ratio (weight) 75/25
, called fluorine-based copolymer. ] was coated with a solution of 55 weight of maleic acid dissolved in methyl ethyl ketone to a thickness of 10 μm to obtain a base film.
このベースフィルム上にポリメチルメタクリレート５３
重量部、ＨＸ−２２０Ｍ （日本化薬■製２官能メタ
クリレートモノマー） ４７ｆｆ量部、ベンジルジメチ
ルケタール２重量部をメチルエチルケトン１２０重量部
に溶解した溶液でコートし、９０℃で１０分乾燥して１
１００ｕ厚の光硬化層を形成した。On this base film, polymethyl methacrylate 53
Parts by weight, 47ff parts of HX-220M (bifunctional methacrylate monomer manufactured by Nippon Kayaku ■), coated with a solution of 2 parts by weight of benzyl dimethyl ketal dissolved in 120 parts by weight of methyl ethyl ketone, dried at 90°C for 10 minutes, and
A 100 μ thick photocured layer was formed.
このフィルムにフォトマスクを通し光照射し、１．１．
１− ）リクロロエタンで現像し、伝送に必要な導波路
列のパターンを形成し、弗素系共重合体をコート乾燥す
ることにより、所望の光導波路列を作成した。光導波路
の巾は２００μｍ、高さは１００μ−であった。This film is irradiated with light through a photomask, and 1.1.
1-) A desired optical waveguide array was created by developing with dichloroethane to form a waveguide array pattern necessary for transmission, and coating and drying a fluorine-based copolymer. The width of the optical waveguide was 200 μm, and the height was 100 μm.
第２図は受発光素子アレーとフィルム状光導波路列のコ
ネクタの模式図である。FIG. 2 is a schematic diagram of a connector between a light receiving/emitting element array and a film-like optical waveguide array.
図において、フィルム状光導波路列５は、先導波路の巾
に合わせて作成された■溝４１２の列を持つ光コネクタ
の雄部４１にセットされ、光コネクタの雌部４２には、
発光素子アレー３の発光ダイオード（例えば、松下電子
工業側製ＬＮ１８１） ３１の列が配置される。雄部４
１には、嵌め合いピン４１１が、雌部４２には、嵌め合
い孔４２１が、発光ダイオード３１とＶ溝４１２とが対
応するように、設けられており、そしてこれの嵌合によ
り、コネクタが完成する。In the figure, the film-like optical waveguide array 5 is set in the male part 41 of the optical connector, which has a row of grooves 412 created to match the width of the leading waveguide, and in the female part 42 of the optical connector,
A row of 31 light emitting diodes (for example, LN181 manufactured by Matsushita Electronics Co., Ltd.) of the light emitting element array 3 is arranged. male part 4
1 is provided with a fitting pin 411, and the female part 42 is provided with a fitting hole 421 so that the light emitting diode 31 and the V groove 412 correspond to each other. Complete.
以上は発光側の光コネクタ部４について述べたものであ
るが、受光側の光コネクタ部４゛の場合は、発光素子ア
レー３の発光ダイオードの代りに、受光素子アレー６の
フォトダイオード（例えば、浜松フォトニクス■製、３
１１８Ｂ−０２） ６１が用いられる点のみが異なる。The above is a description of the optical connector section 4 on the light emitting side, but in the case of the optical connector section 4'' on the light receiving side, instead of the light emitting diodes of the light emitting element array 3, the photodiodes of the light receiving element array 6 (for example, Manufactured by Hamamatsu Photonics, 3
118B-02) The only difference is that 61 is used.
本発明は、次の効果を奏する。 The present invention has the following effects.
■光通信による伝送方式であるので、電磁妨害による雑
音が本質的にな（、システムの信頼性を向上できる。。■Since the transmission method uses optical communication, noise due to electromagnetic interference is essentially eliminated (system reliability can be improved.
■信号伝送系から不要な電磁波の放射が無いため電気回
路の信頼性が高くなる。■The reliability of electrical circuits is increased because there is no unnecessary electromagnetic wave radiation from the signal transmission system.
■フレキシブルなフィルム状の光導波路列を用いるため
°プリント基板間の配置の自由度が高く、又、伝送媒体
の収納空間も狭くて良い。■Since flexible film-like optical waveguide arrays are used, there is a high degree of freedom in arrangement between printed circuit boards, and the storage space for the transmission medium is also small.
０本質的に並列信号のまま光伝送するため、伝送速度が
速い。0 Transmission speed is high because optical transmission is performed essentially as parallel signals.
■光導波路列を使うことにより、受発光素子との結合が
容易であり、受発光素子の駆動回路が簡単になる。(2) By using an array of optical waveguides, coupling with the light emitting/receiving elements is easy, and the driving circuit for the light emitting/receiving elements is simplified.
第１図は本発明によるプリント基板間伝送方式の１実施
例のブロック図である。
第２図は受発光素子アレーとフィルム状光導波路列のコ
ネクタの模式図である。
１．１゛ ・・・電気コネクタ部
２．２″ ・・・信号増幅部（発光素子側）３．３′
・・・発光素子アレー
３１・・・・・・発光ダイオード
４．４° ・・・光コネクタ
４１・・・・・・光コネクタ（雄）
４１１ ・・・・・嵌め合いビン
４１２ ・・・・・■溝部
４２・・・・・・光コネクタ（雌）
４２１ ・・・・・嵌め合い穴
５・・・・・・フィルム状光導波路列
６．６° ・・・受光素子アレイ
′６１・・・・・・フォトダイオード
７．７° ・・・受光信号増幅部
Ａ、Ｂ・・・・プリント基板
代 理 人 弁理士 星野 透
第２FIG. 1 is a block diagram of one embodiment of the printed circuit board-to-print board transmission system according to the present invention. FIG. 2 is a schematic diagram of a connector between a light receiving/emitting element array and a film-like optical waveguide array. 1.1゛...Electrical connector section 2.2''...Signal amplification section (light emitting element side) 3.3'
... Light emitting element array 31 ... Light emitting diode 4.4° ... Optical connector 41 ... Optical connector (male) 411 ... Fitting bin 412 ...・■Groove portion 42...Optical connector (female) 421...Fitting hole 5...Film optical waveguide array 6.6°...Photodetector array '61... ...Photodiode 7.7° ...Received signal amplification section A, B ...Printed circuit board agent Patent attorney Toru Hoshino No. 2
Claims (1)
並列の複数個の電気信号を電気−光変換して並列の光信
号とする手段と、この光信号を並列に伝送する伝送媒体
としてフィルム状の光導波路列を用いる光伝送手段と、
該光導波路列により伝送された並列光信号を光−電気変
換し並列の電気信号とする手段とを具備することを特徴
とするプリント基板間伝送方式。(1) In signal transmission between printed circuit boards of electronic equipment,
means for converting a plurality of parallel electrical signals into parallel optical signals; an optical transmission means using a film-like optical waveguide array as a transmission medium for transmitting the optical signals in parallel;
A transmission system between printed circuit boards, comprising means for optical-to-electrical conversion of the parallel optical signals transmitted by the optical waveguide array and converting them into parallel electrical signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62323873A JPH01166629A (en) | 1987-12-23 | 1987-12-23 | Transmission system between printed circuit boards |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62323873A JPH01166629A (en) | 1987-12-23 | 1987-12-23 | Transmission system between printed circuit boards |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01166629A true JPH01166629A (en) | 1989-06-30 |
Family
ID=18159549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62323873A Pending JPH01166629A (en) | 1987-12-23 | 1987-12-23 | Transmission system between printed circuit boards |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01166629A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006080980A (en) * | 2004-09-10 | 2006-03-23 | Fuji Xerox Co Ltd | Optical signal transmitting device and receiving device |
| US7184617B2 (en) | 2004-03-12 | 2007-02-27 | Matsushita Electric Industrial Co., Ltd. | Portable device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6128240A (en) * | 1984-07-18 | 1986-02-07 | Kuraray Co Ltd | Signal transmitting system between boards |
| JPS62276886A (en) * | 1986-05-23 | 1987-12-01 | Mitsubishi Cable Ind Ltd | Light emitting device |
-
1987
- 1987-12-23 JP JP62323873A patent/JPH01166629A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6128240A (en) * | 1984-07-18 | 1986-02-07 | Kuraray Co Ltd | Signal transmitting system between boards |
| JPS62276886A (en) * | 1986-05-23 | 1987-12-01 | Mitsubishi Cable Ind Ltd | Light emitting device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7184617B2 (en) | 2004-03-12 | 2007-02-27 | Matsushita Electric Industrial Co., Ltd. | Portable device |
| JP2006080980A (en) * | 2004-09-10 | 2006-03-23 | Fuji Xerox Co Ltd | Optical signal transmitting device and receiving device |
| JP4561263B2 (en) * | 2004-09-10 | 2010-10-13 | 富士ゼロックス株式会社 | Optical signal transmitter and optical signal receiver |
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