JPS6358407A - Working method for optical fiber positioning member - Google Patents
Working method for optical fiber positioning memberInfo
- Publication number
- JPS6358407A JPS6358407A JP61204289A JP20428986A JPS6358407A JP S6358407 A JPS6358407 A JP S6358407A JP 61204289 A JP61204289 A JP 61204289A JP 20428986 A JP20428986 A JP 20428986A JP S6358407 A JPS6358407 A JP S6358407A
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- processing
- guide groove
- positioning member
- flat plate
- 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
- 239000013307 optical fiber Substances 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims description 18
- 239000000758 substrate Substances 0.000 claims abstract description 23
- 238000005520 cutting process Methods 0.000 claims abstract description 17
- 238000012545 processing Methods 0.000 claims description 23
- 238000003672 processing method Methods 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims description 6
- 238000004528 spin coating Methods 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000010409 thin film Substances 0.000 abstract description 3
- 239000007767 bonding agent Substances 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000000835 fiber Substances 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 101100128281 Enterobacteria phage T4 rIII gene Proteins 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Landscapes
- Mechanical Coupling Of Light Guides (AREA)
Abstract
Description
【発明の詳細な説明】
Ｃｍ業上の利用分野）
本発明は光通信における光ファイバの接続を実現する光
コネクタフェルールや接続用スリーブ等の光ファイバ位
置決め部材の加工方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Application in the CM Industry] The present invention relates to a method of processing optical fiber positioning members such as optical connector ferrules and connection sleeves that realize the connection of optical fibers in optical communications.
（従来技術及び解決しようとする問題点）第５図（イ）
〜に）は従来のガイド溝基板とフラットプレートの接合
により形成された光ファイバ位置決めガイド部材の加工
方法の手順の説明図である。(Prior art and problems to be solved) Figure 5 (a)
2 to 3) are explanatory diagrams illustrating the steps of a conventional method for processing an optical fiber positioning guide member formed by joining a guide groove substrate and a flat plate.
第５図（イ）に示すように、上面に複数組の光ファイバ
ガイド溝（３）及びガイドピン溝（Φを加工した基板プ
レート００を、上記溝（３） （４）に平行な方向ＧΦ
とこれに直角な方向Ｇ９に切断分離加工を行なって複数
個のチップ状のガイド溝基板（Ｃ）を得る（同図ハ参照
）。As shown in FIG. 5(A), a plurality of sets of optical fiber guide grooves (3) and guide pin grooves (Φ) are formed on the upper surface of the substrate plate 00 in a direction GΦ parallel to the grooves (3) and (4).
Then, cutting and separation processing is performed in a direction G9 perpendicular to this to obtain a plurality of chip-shaped guide groove substrates (C) (see C in the same figure).
ブ伏のフラットプレート（Ｄ）を得る。この際、光ファ
イバを前記光ファイバガイド溝（３）に挿入し易くする
ために光ファイバガイド溝（３）の一部が露出するよう
にガイド溝基板（Ｃ）よりもフラットプレートチップＣ
Ｄ）を若干短かくしておく（同図ハ参照）。Obtain a flat plate (D). At this time, in order to easily insert the optical fiber into the optical fiber guide groove (3), the flat plate chip C is placed so that a part of the optical fiber guide groove (3) is exposed.
D) is made slightly shorter (see C in the same figure).
しかる後、両者（Ｃ）（Ｄ）をｒＩＩＩ！Ｘの接着剤で
貼合せる。（第４図工参照）。その後寸法検査等で必要
に応じて端面がフラットになるよう研磨した後に、前記
光ファイバガイド溝■に多心の光ファイバを挿入し接着
剤で固定した後再び端面を研磨して例えば多心光コネク
タフェルールを得る。なお、寸法検査等に際し端面を研
磨するのは、端面に段差があると寸法測定時の顕微鏡の
ピント合せを何回も行なう必要があるからである。After that, both (C) and (D) are rIII! Attach with adhesive X. (See 4th drawing). After that, after polishing the end face to make it flat as necessary for dimensional inspection, etc., insert the multi-core optical fiber into the optical fiber guide groove (■), fix it with adhesive, and then polish the end face again. Obtain the connector ferrule. The reason why the end face is polished during dimension inspection is that if there is a step on the end face, it is necessary to focus the microscope many times during dimension measurement.
上述したような従来の光ファイバ位置決め部材の加工方
法には次のような問題点が存在する。The conventional method of processing an optical fiber positioning member as described above has the following problems.
切断分離加工に多くの時間を要する。It takes a lot of time to cut and separate.
■切断分離されたチップ状のガイド基板（Ｃ）及びチッ
プ状のフラットプレート（Ｄ）を接合する必要があるた
め、寸法が少さく取扱いが困難であり、接合に多くの時
間を要する。(2) Since it is necessary to join the chip-shaped guide substrate (C) and the chip-shaped flat plate (D) that have been cut and separated, the dimensions are small and handling is difficult, and joining requires a lot of time.
■チップ状のガイド基板（Ｃ）とフラットプレート（Ｄ
）の接合により端面を完全に一部させるのは困難である
。従って両者の端面不一致Ｑ（Ｊ２）（第５図工参照）
を寸法測定前に研磨する必要がある。■Chip-shaped guide board (C) and flat plate (D)
) It is difficult to completely make the end face a part of the joint. Therefore, the end face mismatch between the two Q(J2) (see Fig. 5)
need to be polished before dimension measurement.
（間厘点を解決するための手段）
本発明は上述の問題点を解消した光ファイバ位置決め部
材の加工方法を提供するもので、その特徴は、上面に複
数組の光ファイバガイド溝を加工した基板プレート上に
フラットプレートを接合した後、切断砥石を用いて上記
光ファイバガイド溝の上面が一部露出するように加工す
ると共に切断分離加工を行ない光ファイバガイド溝の一
部が露出したチップ状の位置決め部材を得ることにある
。(Means for solving the problem) The present invention provides a method for processing an optical fiber positioning member that solves the above-mentioned problems. After bonding the flat plate onto the substrate plate, a cutting wheel is used to process the optical fiber guide groove so that a part of the upper surface thereof is exposed, and a cutting process is performed to separate the optical fiber guide groove into a chip shape with a part of the optical fiber guide groove exposed. The object of the present invention is to obtain a positioning member.
（ホ）はその加工方法の手順の説明図である。(E) is an explanatory diagram of the procedure of the processing method.
第１図において、（１）は上面に複数の光ファイバガイ
ド溝（３）及びその両側にフェルールを位置決め結合す
るためのガイドピン挿入用のガイドピン溝（４が研削加
工により形成されたガイド溝基板、■は上記ガイド溝基
板（１）の上面に接着剤を介して接合されたフラットプ
レートである。しかして、上記光ファイバガイド溝（Ｊ
への光ファイバの挿入を容易にするため、フラットプレ
ート■はガイド溝基板（１）より短かく、両者を接合し
たとき図のように光ファイバガイド溝（３）の一部が露
出した露出部■を形成する。In Fig. 1, (1) shows a plurality of optical fiber guide grooves (3) on the top surface and guide pin grooves (4 is a guide groove formed by grinding) for inserting guide pins on both sides of the grooves for positioning and coupling the ferrule. The substrate (■) is a flat plate bonded to the upper surface of the guide groove substrate (1) via an adhesive.
In order to facilitate the insertion of the optical fiber into the optical fiber, the flat plate ■ is shorter than the guide groove substrate (1), and when the two are joined, a part of the optical fiber guide groove (3) is exposed as shown in the figure. ■ Form.
次に第２図に従って本発明の加工方法を説明する。Next, the processing method of the present invention will be explained with reference to FIG.
まず、第２図（イ）及び（ロ）（イ図の横断面図）に示
すように、上面に複数の光ファイバガイド溝（３）及び
その外側に２本のガイド溝（２）より成るガイド溝の複
数組を加工した基板プレー）ＧＯ上に薄膜接着剤ｑ３を
介してフラットプレー） ０２１を接合する（第る。接
着剤層ｑ３の厚さは目的に応じて異なるが、例えば０．
３μｍ程度になるようにスピンコート時の回転数、樹脂
材質及び温度等を選択する。この時、より強固な接合が
得られるように、基板プレートＯＤ又はフラットプレー
トＧＺの少くとも一方呻小さな溝加工を行ない接着面積
を増大しておくのも有効な手段である。First, as shown in Figure 2 (A) and (B) (cross-sectional view of Figure 2), it consists of a plurality of optical fiber guide grooves (3) on the top surface and two guide grooves (2) on the outside thereof. Bond the flat plate (flat plate) 021 on the substrate formed with multiple sets of guide grooves via the thin film adhesive q3 (step 3).The thickness of the adhesive layer q3 varies depending on the purpose, but for example, 0.
The rotation speed, resin material, temperature, etc. during spin coating are selected so that the thickness is approximately 3 μm. At this time, in order to obtain a stronger bond, it is an effective means to increase the bonding area by forming a small groove on at least one of the substrate plate OD or the flat plate GZ.
このように接合して得られたガイド部材（Ｂ）を第２図
に）に示すように光ファイバガイド溝方向Ｃ５及びこれ
と直角な方向ｑ４に同一砥石を用いて光ファイバガイド
溝（３）の一部を露出させる露出加工とチップ状にする
切断分離加工を合せて実施する。露出加工は光ファイバ
ガイド溝■の一部が露出するように切断砥石（１１）を
ガイド溝■の深さ範囲内で加工してその上のフラットプ
レートを除去するものであり、切断分離加工は切断砥石
（＋７６）によりガイド部材（Ｂ）をチップ状のガイド
部材（Ａ）にするためのものである。（第２図ホ参照）
加工を行なうためであり、又露出部■長さより砥石幅よ
り小さいときは多段階に露出部長さに対応する加工を実
施すればよい。As shown in FIG. 2), the guide member (B) obtained by joining in this way is cut into an optical fiber guide groove (3) using the same grindstone in the optical fiber guide groove direction C5 and in the direction q4 perpendicular to this. A combination of exposure processing to expose a part of the material and cutting and separation processing to form chips is carried out. Exposure processing involves processing the cutting wheel (11) within the depth range of the guide groove ■ so that a part of the optical fiber guide groove ■ is exposed, and removing the flat plate above it. This is for turning the guide member (B) into a chip-shaped guide member (A) using a cutting grindstone (+76). (See Figure 2 E) This is for processing, and when the length of the exposed portion is smaller than the width of the grinding wheel, processing corresponding to the length of the exposed portion may be performed in multiple stages.
このように加工することにより切断分離面はフラットで
あり、従来のように寸法検査前に端面加工することが不
要となり、又個々のチップを接合することも不要となっ
て、大幅に加工時間が短縮し、生産性の向上をはかるこ
とが可能となる。By processing in this way, the cutting separation surface is flat, eliminating the need for end face processing before dimensional inspection as in the past, and also eliminating the need to join individual chips, significantly reducing processing time. This makes it possible to shorten the time and improve productivity.
以上は多心光コネクタフェルール（第１図）の加工方法
について説明したが、例えば第３図に示すように、ガイ
ド基板（１）上に光ファイバガイド溝Ｇ）のみが形成さ
れており、しかもこの光ファイバガイド溝（３）がフラ
ットプレート■の両側において露出した多心の精密スリ
ーブの加工方法としても利用できる。なお、この場合、
フラットプレート■は内部６接続状況が観察できるよう
にガラス等の透明部材を用いるのが好ましい。The above has described the processing method for a multi-fiber optical connector ferrule (Fig. 1), but for example, as shown in Fig. 3, only the optical fiber guide groove G) is formed on the guide substrate (1), and This optical fiber guide groove (3) can also be used as a processing method for a multi-core precision sleeve in which the optical fiber guide grooves (3) are exposed on both sides of the flat plate (2). In this case,
It is preferable to use a transparent member such as glass for the flat plate (2) so that the internal 6 connections can be observed.
１方法の応用として、光ファイバ心線（Ａ）固定部゛（
Ｐ）用の段差（１））部０を同一砥石で連続多数回加ニ
ジ
することにより構成することができる。例えば長さ５１
１の心線固定部（Ｐ）長さを得るには砥石幅ｌ ｓｓ以
上のもので５回以上加工すればよい。As an application of method 1, the fixed part of the optical fiber (A)
The step (1)) part 0 for P) can be constructed by repeatedly grinding the same grindstone many times. For example, length 51
In order to obtain the length of the core wire fixing part (P) of 1, it is sufficient to process the wire five times or more with a grindstone having a width of l ss or more.
（実施例）
シリコンウェハーに光ファイバガイド溝とガイドビン溝
より成るガイド溝の複数組を研削加工した基板プレート
にフラットプレートを接合したガイド部材について本発
明の加工方法を実施した。(Example) The processing method of the present invention was carried out on a guide member in which a flat plate was bonded to a substrate plate in which a plurality of sets of guide grooves each consisting of an optical fiber guide groove and a guide bottle groove were ground on a silicon wafer.
まず、シリコンのフラットプレートに接着用の深さ２０
μｍの溝加工を行ない、低粘度の接菅剤をスピンコート
で厚さ０．２μｍに塗布した。このフラットプレートを
前記溝加工を施した基板プレートに貼合せ、約８０℃、
１時間、０．１に、／ｃＪの加圧下で接合した。First, attach a silicone flat plate to a depth of 20 mm for gluing.
A micrometer groove was formed, and a low-viscosity adhesive was applied to a thickness of 0.2 micrometers by spin coating. This flat plate was laminated to the grooved substrate plate, and heated at about 80°C.
Bonding was carried out under a pressure of 0.1/cJ for 1 hour.
このようにして得られたガイド部材を、砥石幅１■■の
ダイヤモンドホイールで光ファイバガイド溝の一部が露
出するように加工し、同一砥石で切断分離加工を行なっ
て第１図のような多心光コネクタフェルールを得た。The guide member thus obtained was machined using a diamond wheel with a grinding wheel width of 1■■ so that a part of the optical fiber guide groove was exposed, and the same grinding wheel was used to cut and separate the guide member as shown in Figure 1. A multi-core optical connector ferrule was obtained.
場合、本発明による上記方法では個々のチップの接合が
不要となり、さらに端面研磨も不要となって、従来に比
して数十倍以上の生産性が得られた。In this case, the method according to the present invention eliminates the need for bonding individual chips and also eliminates the need for end face polishing, resulting in productivity several tens of times higher than that of the conventional method.
なお、上述の説明は多心光ファイバ位置決め部材を例に
とり説明したが、勿論単心光ファイバの光コネクタや精
密スリーブにも適用でき、多心光ファイバに関しても単
心光ファイバを複数本集合させたものや、テープ状の多
心光ファイバなど幅広く適用できるのは言うまでもない
。The above explanation has been given using a multi-core optical fiber positioning member as an example, but it can of course also be applied to optical connectors and precision sleeves for single-core optical fibers, and for multi-core optical fibers, it can be applied to optical connectors and precision sleeves for single-core optical fibers. Needless to say, the present invention can be applied to a wide range of applications, such as tape-shaped multi-core optical fibers.
（発明の効果）
上述した本発明の加工方法によれば、次に列記するよう
な効果を奏するものである。(Effects of the Invention) According to the processing method of the present invention described above, the following effects are achieved.
■従来のような個々のチップの接合が不要となり、生産
性が著しく向上する。■It eliminates the need to bond individual chips as in the past, significantly improving productivity.
■基板プレートとフラットプレートの接合後に切断分離
加工を行なうことにより、切断端面がフラットであり、
従来のような端面研磨も不要となって生産性が向上する
。■By cutting and separating the substrate plate and flat plate after bonding, the cut end surface is flat.
The conventional end face polishing is no longer necessary, improving productivity.
■同一砥石で光ファイバガイド溝を露出させる■基板プ
レートとフラットプレートの接合をスピンコートを用い
ることにより薄膜接着が実現できる。■Exposing the optical fiber guide groove using the same grindstone ■Thin film adhesion can be achieved by using spin coating to bond the substrate plate and flat plate.
■基板プレート又はフラットプレートに接合用の溝加工
を施すことにより、より強固な両者の接合が可能となる
。(2) By forming bonding grooves on the substrate plate or flat plate, a stronger bond between the two can be achieved.
■光ファイバ心線固定部の段差加工を同時に実施するこ
とにより切断分離された位置決め部材のみで光ファイバ
心線の固定ができ、他の部品と組合せて光ファイバ心線
固定部を形成することが不要となり、光コネクタや精密
スリーブ等の生産性が著しく向上する。■By simultaneously processing the steps on the optical fiber fixing part, the optical fiber can be fixed using only the cut and separated positioning member, and can be combined with other parts to form the optical fiber fixing part. This eliminates the need for this, significantly improving the productivity of optical connectors, precision sleeves, etc.
第１図は本発明の加工方法によって得られた多心光コネ
クタフェルールの斜視図であり、第２図（４）〜（ホ）
はその加工方法の手順の説明図である。
第４図は本発明の加工方法によって得られた光ファイバ
心線固定部用段差部を仔する多心光コネクタフェルール
の説明図で、同図０）は斜視図、同図（ロ）は光ファイ
バ及び光ファイバ心線を固定した状態の縦断面図である
。
第５図０）〜に）は従来の加工方法の手順の説明図であ
る。
１・・・ガイド溝基板、２・・・フラットプレート、３
・・・光ファイバガイド溝、４・・・ガイドピン溝、５
・・・光ファイバガイド溝露出部、６・・・光ファイバ
心線固定部用の段差部、■・・・基板プレート、１２・
・・フラットプレート、！３・・・接着剤層、１４．１
５・・・切断ライン、１７・・・切断砥石、１７４・・
・ガイド溝露出用、Ｉ７ｊ！ｌ・・・切断分離用。
４１図
亨 ２ 凹
秀 ２ 図
ご
湊 ３ 図
寞 ４ 図
（口〕FIG. 1 is a perspective view of a multi-fiber optical connector ferrule obtained by the processing method of the present invention, and FIG.
is an explanatory diagram of the procedure of the processing method. FIG. 4 is an explanatory diagram of a multi-fiber optical connector ferrule having a stepped part for an optical fiber fixing part obtained by the processing method of the present invention. FIG. 2 is a longitudinal cross-sectional view of a state in which the fiber and optical fiber core wire are fixed. FIG. 5 0) to 5) are explanatory diagrams of the steps of a conventional processing method. 1... Guide groove board, 2... Flat plate, 3
...Optical fiber guide groove, 4...Guide pin groove, 5
... Optical fiber guide groove exposed part, 6... Step part for optical fiber core wire fixing part, ■... Substrate plate, 12.
...Flat plate! 3... Adhesive layer, 14.1
5... Cutting line, 17... Cutting whetstone, 174...
・For guide groove exposure, I7j! l...For cutting and separation. 41 Zuko 2 Koshu 2 Zugominato 3 Zuho 4 Diagram (mouth)
Claims (6)
ト上にフラットプレートを接合した後、切断砥石を用い
て上記光ファイバガイド溝の上面が一部露出するように
加工すると共に切断分離加工を行ない光ファイバガイド
溝の一部が露出したチップ状の位置決め部材を得ること
を特徴とする光ファイバ位置決め部材の加工方法。(1) After bonding a flat plate onto a substrate plate with optical fiber guide grooves formed on its upper surface, use a cutting wheel to process the optical fiber guide grooves so that a portion of the upper surface thereof is exposed, and perform cutting and separation. A method for processing an optical fiber positioning member, the method comprising obtaining a chip-shaped positioning member in which a part of an optical fiber guide groove is exposed.
同一砥石で行なうことを特徴とする特許請求の範囲第１
項記載の光ファイバ位置決め部材の加工方法。(2) Claim 1, characterized in that the exposing process and the cutting and separating process of the optical fiber guide groove are performed using the same grindstone.
A method for processing an optical fiber positioning member as described in Section 1.
ラットプレートの接合は、フラットプレートに低粘度樹
脂をスピンコートで塗布した状態で上記基板プレートと
重ね合せ接合することを特徴とする特許請求の範囲第１
項記載の光ファイバ位置決め部材の加工方法。(3) The scope of claims characterized in that the substrate plate with the optical fiber guide groove processed and the flat plate are bonded by overlapping and bonding the substrate plate with the flat plate coated with a low viscosity resin by spin coating. 1st
A method for processing an optical fiber positioning member as described in Section 1.
方に接合用樹脂の表面積増大のための溝加工を施してあ
ることを特徴とする特許請求の範囲第１項記載の光ファ
イバ位置決め部材の加工方法。(4) The method for processing an optical fiber positioning member according to claim 1, wherein at least one of the substrate plate or the flat plate is grooved to increase the surface area of the bonding resin.
すると共に、光ファイバ心線の固定部用の段差加工も行
なうことを特徴とする特許請求の範囲第１項記載の光フ
ァイバ位置決め部材の加工方法。(5) The optical fiber positioning member according to claim 1, wherein a part of the optical fiber guide groove is exposed using a cutting grindstone, and a step for a fixing portion of the optical fiber core is also processed. processing method.
用の段差加工及び切断分離加工を同一砥石で行なうこと
を特徴とする特許請求の範囲第１項記載の光ファイバ位
置決め部材の加工方法。(6) The method for processing an optical fiber positioning member according to claim 1, wherein the optical fiber guide groove processing, the step processing for the optical fiber core fixing portion, and the cutting and separation processing are performed using the same grindstone.
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61204289A JPH087304B2 (en) | 1986-08-29 | 1986-08-29 | Processing method for optical fiber positioning member |
| US07/025,840 US4818059A (en) | 1986-03-14 | 1987-03-13 | Optical connector and splicer |
| EP87103709A EP0241724B1 (en) | 1986-03-14 | 1987-03-13 | Optical connector and splicer |
| DE8787103709T DE3783639T2 (en) | 1986-03-14 | 1987-03-13 | OPTICAL PLUG AND SPLICE. |
| CA000532058A CA1283569C (en) | 1986-03-14 | 1987-03-13 | Optical connector and splicer |
| KR1019870002316A KR950003438B1 (en) | 1986-03-14 | 1987-03-14 | Optical connector and splicer |
| CN87101894A CN1009223B (en) | 1986-03-14 | 1987-03-14 | Optical fiber connector and optical fiber coupler |
| AU70061/87A AU595011B2 (en) | 1986-03-14 | 1987-03-16 | Optical connector and splicer |
| US07/251,381 US4952263A (en) | 1986-03-14 | 1988-09-30 | Method of making an optical connector and splicer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61204289A JPH087304B2 (en) | 1986-08-29 | 1986-08-29 | Processing method for optical fiber positioning member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6358407A true JPS6358407A (en) | 1988-03-14 |
| JPH087304B2 JPH087304B2 (en) | 1996-01-29 |
Family
ID=16488014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61204289A Expired - Lifetime JPH087304B2 (en) | 1986-03-14 | 1986-08-29 | Processing method for optical fiber positioning member |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH087304B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01239510A (en) * | 1988-03-19 | 1989-09-25 | Sumitomo Electric Ind Ltd | Optical fiber coupling member |
| JP2005031453A (en) * | 2003-07-04 | 2005-02-03 | Nippon Telegr & Teleph Corp <Ntt> | Manufacturing method of optical fiber guide component |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0570123A (en) * | 1991-09-13 | 1993-03-23 | Kao Corp | Production of composite fine particle of metal oxide and apparatus therefor |
-
1986
- 1986-08-29 JP JP61204289A patent/JPH087304B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0570123A (en) * | 1991-09-13 | 1993-03-23 | Kao Corp | Production of composite fine particle of metal oxide and apparatus therefor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01239510A (en) * | 1988-03-19 | 1989-09-25 | Sumitomo Electric Ind Ltd | Optical fiber coupling member |
| JP2005031453A (en) * | 2003-07-04 | 2005-02-03 | Nippon Telegr & Teleph Corp <Ntt> | Manufacturing method of optical fiber guide component |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH087304B2 (en) | 1996-01-29 |
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| Date | Code | Title | Description |
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| EXPY | Cancellation because of completion of term |