JPS6172209A - Production of branching d-type fiber - Google Patents
Production of branching d-type fiberInfo
- Publication number
- JPS6172209A JPS6172209A JP59194484A JP19448484A JPS6172209A JP S6172209 A JPS6172209 A JP S6172209A JP 59194484 A JP59194484 A JP 59194484A JP 19448484 A JP19448484 A JP 19448484A JP S6172209 A JPS6172209 A JP S6172209A
- Authority
- JP
- Japan
- Prior art keywords
- fiber
- type
- branching
- type fiber
- fibers
- 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
Classifications
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B19/00—Slide fasteners
- A44B19/24—Details
- A44B19/26—Sliders
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明の製造方法は光ファイバの線引き技術を用いて高
品質の分岐用り型ファイバを容易に製造できるようにし
たものである。DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The manufacturing method of the present invention makes it possible to easily manufacture high-quality branching fibers using optical fiber drawing technology.
（従来技術）
分岐用り型ファイバを製造するには、従来は、ファイバ
を基板に適当な曲率をもたせてエポキシで固定し、この
ファイバを基板ごとコアから致ルｍのところまで研磨し
、コアからの浸み出しか適当な値となったところで同じ
ものを対向させて分岐ファイバとしていた。(Prior art) In order to manufacture a branching type fiber, conventionally, the fiber is fixed to a substrate with an appropriate curvature using epoxy, and the fiber is polished together with the substrate from the core to the depth m. When the leaching from the fibers reached an appropriate value, the same fibers were made to face each other to form branched fibers.
（従来技術の問題点）
一ヒ記の方法は基板の研磨量を数ｐｍのオーダで制御す
る必要性があるため、高度の研磨技術が要求され、また
研磨時間が長くかかるため作業性が悪く、更には歩留り
が非常に悪いという問題がある。(Problems with the prior art) The method described above requires a sophisticated polishing technique because it is necessary to control the polishing amount of the substrate to the order of several pm, and the polishing time is long, resulting in poor workability. Furthermore, there is a problem that the yield is very low.
（問題を解決するための手段）
本発明の目的は高品質のＤ型ファイバを容易に製作し、
それを使用して高品質の分岐用り型ファイバを製造でき
るようにすることにある。(Means for solving the problem) An object of the present invention is to easily produce a high quality D-type fiber,
The purpose of this invention is to make it possible to manufacture high-quality branching fibers using the same.
本発明の方法は第１図に示すよ°うに、コア１とクラッ
ド２とから構成されるファイバ母材３を予めＤ型に加工
し、この母材３を適度な温度で第２図に示す光フアイバ
線引き機４により線引きしてＤ型ファイバ５を作成し、
このＤ型ファイバ５を第３図のように適当な長さに切断
し、切断したＤ型ファイバ５を第４図のように２本背中
合せに対向させて融着もしくはマツチングオイルで結合
するようにしたものである。As shown in FIG. 1, the method of the present invention involves processing a fiber base material 3 consisting of a core 1 and a cladding 2 into a D shape in advance, and heating this base material 3 at an appropriate temperature as shown in FIG. A D-type fiber 5 is created by drawing with an optical fiber drawing machine 4,
This D-type fiber 5 is cut to an appropriate length as shown in Fig. 3, and the two cut D-type fibers 5 are placed back to back as shown in Fig. 4 and joined by fusing or matting oil. This is what I did.
（実施例）
石英系プリホーム（ＧＩ）母材を用いて分岐ファイバの
作成を試みた０石英系母材３として、外径１０φ、コア
径３．３φのプリホームをＤ型に加工した。この場合研
削の深さはコア４より１ｍｍ手前までとした。(Example) A preform having an outer diameter of 10φ and a core diameter of 3.3φ was processed into a D shape as a quartz base material 3 in which a branched fiber was attempted to be created using a quartz preform (GI) base material. In this case, the depth of grinding was set to 1 mm before the core 4.
このＤ型プリホーム母材３を線引きＩａ４を用いて線引
きした。線引き炉の温度は１８５０度Ｃで行った。その
結果外径１５０４ｍ、コア径５０濤ｍ、外径ｄ（第５図
）が１３６＃ＬｍであるＤ型ファイバ５が得られた。こ
のＤ型ファイバ５を１００ｍｍの長さに切断し、２本の
Ｄ型ファイバ５を第４図のように背中合せに対向させて
から融着して分岐用り型ファイバを作成した。This D-shaped preform base material 3 was drawn using a wire drawing Ia4. The temperature of the drawing furnace was 1850 degrees Celsius. As a result, a D-type fiber 5 having an outer diameter of 1504 m, a core diameter of 50 m, and an outer diameter d (FIG. 5) of 136#Lm was obtained. This D-type fiber 5 was cut into a length of 100 mm, two D-type fibers 5 were placed back to back as shown in FIG. 4, and then fused together to create a branching type fiber.
得られた分岐用り型ファイバの特性測定を行ったところ
、過剰損は０１５ｄＢ以下であった。When the characteristics of the obtained branching fiber were measured, the excess loss was 0.15 dB or less.
なお、ｗＩＪ４図の６は分岐用り型ファイバに接続する
光ファイバである。Note that 6 in the wIJ4 diagram is an optical fiber connected to the branching type fiber.
（発明の効果）
以上のようにしてなる本願発明は次のような各種効果が
ある。(Effects of the Invention) The present invention as described above has the following various effects.
（１）Ｄ型ファイバ５を製作する場合に、プリホームロ
ッドをＤ型に研削するようにしであるため作業が容易で
ある。(1) When manufacturing the D-shaped fiber 5, the work is easy because the preform rod is ground into a D-shape.
（２）Ｄ型プリホームロッド母材３を線引き加工するも
のであるため、同一形状のＤ型ファイバ５を得ることが
できる。(2) Since the D-type preform rod base material 3 is drawn, D-type fibers 5 having the same shape can be obtained.
（３）分岐ファイバを加工するのに、同一のＤ型ファイ
バ５を組合せて使用するため同一の特性をもった分岐フ
ァイバが歩留りよく得られる。(3) Since the same D-type fibers 5 are used in combination to process the branched fibers, branched fibers with the same characteristics can be obtained at a high yield.
第１図〜第５図は本発明の製造工程の説明図である。 ３はファイバ母材 ４は光フアイバ線引き機 ５はＤ型ファイバ 1 to 5 are explanatory diagrams of the manufacturing process of the present invention. 3 is the fiber base material 4 is an optical fiber drawing machine 5 is D type fiber
Claims (1)
材を線引きしてＤ型ファイバを作成し、このＤ型ファイ
バを適度な長さに切断し、切断したＤ型ファイバ２本を
対向させて融着もしくはマッチングオイルで結合するよ
うにしたことを特徴とする分岐用Ｄ型ファイバの製造方
法。Process the fiber base material into a D shape in advance, draw this base material at an appropriate temperature to create a D type fiber, cut this D type fiber to an appropriate length, and combine the two cut D type fibers. A method for producing a branching D-type fiber, characterized in that the fibers are made to face each other and are fused or bonded using matching oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59194484A JPS6172209A (en) | 1984-09-17 | 1984-09-17 | Production of branching d-type fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59194484A JPS6172209A (en) | 1984-09-17 | 1984-09-17 | Production of branching d-type fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6172209A true JPS6172209A (en) | 1986-04-14 |
Family
ID=16325300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59194484A Pending JPS6172209A (en) | 1984-09-17 | 1984-09-17 | Production of branching d-type fiber |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6172209A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61117510A (en) * | 1984-11-14 | 1986-06-04 | Agency Of Ind Science & Technol | Production of d-shaped fiber |
| US4780938A (en) * | 1986-12-19 | 1988-11-01 | Yoshida Kogyo K. K. | Slide fastener slider with detachable pull tab |
| US6144025A (en) * | 1999-01-13 | 2000-11-07 | Santec Corporation | Laser light source apparatus |
-
1984
- 1984-09-17 JP JP59194484A patent/JPS6172209A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61117510A (en) * | 1984-11-14 | 1986-06-04 | Agency Of Ind Science & Technol | Production of d-shaped fiber |
| US4780938A (en) * | 1986-12-19 | 1988-11-01 | Yoshida Kogyo K. K. | Slide fastener slider with detachable pull tab |
| US6144025A (en) * | 1999-01-13 | 2000-11-07 | Santec Corporation | Laser light source apparatus |
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