JPS623923B2 - - Google Patents
Info
- Publication number
- JPS623923B2 JPS623923B2 JP54120279A JP12027979A JPS623923B2 JP S623923 B2 JPS623923 B2 JP S623923B2 JP 54120279 A JP54120279 A JP 54120279A JP 12027979 A JP12027979 A JP 12027979A JP S623923 B2 JPS623923 B2 JP S623923B2
- Authority
- JP
- Japan
- Prior art keywords
- silver halide
- metal material
- deformation resistance
- silver
- infrared transmission
- 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.)
- Expired
Links
Landscapes
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Description
【発明の詳細な説明】
本発明は赤外線伝送体（コアおよびクラツド）
にハロゲン化銀を用いた赤外線伝送用線状体に係
る。[Detailed Description of the Invention] The present invention provides an infrared transmission body (core and cladding)
This invention relates to a linear body for infrared transmission using silver halide.
臭化銀や塩化銀などのハロゲン化銀は、赤外線
に対して優れた透過特性を有するので、赤外線伝
送体としての使用が提案されている。しかしなが
らハロゲン化銀は、イオン結晶であるので、機械
的強度が弱く、加工が難かしいという問題があ
り、この結果、赤外線伝送体をハロゲン化銀とし
た赤外線伝送用線状体は、従来、実用に供し得る
ものが得られていなかつた。 Silver halides such as silver bromide and silver chloride have excellent transmission characteristics for infrared rays, and therefore their use as infrared transmitters has been proposed. However, since silver halide is an ionic crystal, it has weak mechanical strength and is difficult to process.As a result, linear bodies for infrared transmission using silver halide as infrared transmitters have not been practical in the past. They were not able to obtain anything that could be used.
本発明者はかかる点に関し、幾多の検討および
実験を重ねた結果、ハロゲン化銀からなるコア、
クラツド材の外周に、ハロゲン化銀よりも変形抵
抗の大きな第一の金属材料を、さらにその上に変
形抵抗のさらに大きな第二の金属材料を順次配設
積層させて複合材を構成し、次にこの複合体を冷
間において伸延加工することにより、ハロゲン化
銀を赤外線伝送体とする赤外線伝送用線状体が製
造できることが分り、本発明に至つた。 Regarding this point, as a result of numerous studies and experiments, the present inventors found that a core made of silver halide,
A first metal material with higher deformation resistance than silver halide is placed around the outer periphery of the clad material, and a second metal material with even higher deformation resistance is layered on top of it in order to form a composite material. It was found that an infrared transmitting linear body using silver halide as an infrared transmitter can be produced by cold stretching this composite, leading to the present invention.
上記第一の金属材料は、ハロゲン化銀と反応し
ないことが必要であり、例えば、銀、銀合金、
金、金合金、白金、白金合金、パラジウム、パラ
ジウム合金、などが適している。 The first metal material needs to not react with silver halide, for example, silver, silver alloy,
Gold, gold alloys, platinum, platinum alloys, palladium, palladium alloys, etc. are suitable.
また第二の金属材料は、第一の金属材料よりも
変形抵抗が大きく、かつ冷間で伸延加工のできる
ことが必要であり、銅、銅合金などが適してい
る。特に無酸素銅は、中間焼鈍なしに細線まで加
工できるので、最も適している。 Further, the second metal material needs to have a higher deformation resistance than the first metal material and be able to be cold drawn, and copper, copper alloy, etc. are suitable. In particular, oxygen-free copper is most suitable because it can be processed into fine wires without intermediate annealing.
複合体は冷間において伸延加工されて赤外線伝
送用線状体に構成されるが、この伸延加工は、ス
エージング、ローラーダイス、ダイスによる引抜
き、ダイスによる伸線などの方法により行なわれ
る。 The composite is drawn in the cold to form a linear body for infrared transmission, and this drawing is carried out by methods such as swaging, roller dies, drawing with a die, and wire drawing with a die.
次に本発明を実施例に基づき、さらに詳しく説
明する。 Next, the present invention will be explained in more detail based on examples.
始めに、コアとなる直径10mm長さ100mmの臭化
銀の棒に、クラツドとなる内径10.05mm外径15mm
の塩化銀のパイプを被せ、その上に防食層となる
内径15.05mm外径17mmの銀のパイプを被せ、さら
にこの上に保護層となる内径17.1mm外径30mmの無
酸素銅パイプを被せて、複合体を構成した。各材
料の変形抵抗は、流れ応力の値で、臭化銀と塩化
銀が約２Kg／mm2、銀が約17Kg／mm2、無酸素銅が約
28Kg／mm2であり、外層に向う程大きな変形抵抗の
材料で構成されている。 First, a silver bromide rod with a diameter of 10 mm and a length of 100 mm will be the core, and a cladding with an inner diameter of 10.05 mm and an outer diameter of 15 mm.
A silver chloride pipe with an inner diameter of 15.05 mm and an outer diameter of 17 mm is placed on top of that as a corrosion protection layer, and then an oxygen-free copper pipe with an inner diameter of 17.1 mm and an outer diameter of 30 mm is placed on top of this as a protective layer. , constituted a complex. The deformation resistance of each material is the value of flow stress, which is approximately 2Kg/mm 2 for silver bromide and silver chloride, approximately 17Kg/mm 2 for silver, and approximately 17Kg/mm 2 for oxygen-free copper.
28Kg/mm 2 , and is made of a material with greater deformation resistance toward the outer layer.
次に、前記複合体は、スエージング、引き抜
き、線引きの工程を経て、外径0.5mmの赤外線伝
送用線状体に加工された。得られた赤外線伝送用
線状体は、外側に変形抵抗の大きな金属材料が順
次積層されて構成されているので、機械的強度も
大きく、耐熱性、耐久性もあつて信頼性の高いも
のであり、また２〜10μｍの赤外線を高率良く伝
送できるものであつた。 Next, the composite was processed into a linear body for infrared transmission with an outer diameter of 0.5 mm through the steps of swaging, drawing, and wire drawing. The obtained linear body for infrared transmission is composed of successively laminated metal materials with high deformation resistance on the outside, so it has high mechanical strength, heat resistance, durability, and high reliability. It was also possible to transmit infrared rays of 2 to 10 μm with high efficiency.
本発明は上述のように、コアおよびクラツドが
ハロゲン化銀からなる赤外線伝送用線状体におい
て、クラツド材の外周に、ハロゲン化銀よりも変
形抵抗の大きな、かつハロゲン化銀と反応しない
金属材料からなる防食層が配置され、さらにその
外周に、該防食層を構成する金属材料よりも変形
抵抗の大きな、かつ冷間で伸延加工のできる金属
材料からなる保護層が配置されてなることを特徴
とする赤外線伝送用線状体である。このため、こ
のような赤外線伝送用線状体は、機械的強度が大
きく、耐熱性、耐久性に優れた信頼性の高いもの
である等のすぐれた効果がある。 As described above, the present invention provides a linear body for infrared transmission in which the core and the cladding are made of silver halide, in which a metal material having a higher deformation resistance than the silver halide and which does not react with the silver halide is used on the outer periphery of the cladding material. A protective layer made of a metal material having higher deformation resistance than the metal material constituting the corrosion protection layer and which can be cold-stretched is further arranged around the outer periphery of the corrosion protection layer. This is a linear body for infrared transmission. Therefore, such a linear body for infrared transmission has excellent effects such as high mechanical strength, excellent heat resistance and durability, and high reliability.
Claims (1)
外線伝送用線状体において、クラツド材の外周
に、ハロゲン化銀よりも変形抵抗の大きな、且つ
ハロゲン化銀と反応しない金属材料からなる防食
層が配置され、更にその外周に、該防食層を構成
する金属材料よりも変形抵抗の大きな、且つ冷間
で伸延加工のできる金属材料からなる保護層が配
置されてなることを特徴とする赤外線伝送用線状
体。1. In a linear body for infrared transmission in which the core and cladding are made of silver halide, an anticorrosion layer made of a metal material that has higher deformation resistance than silver halide and does not react with silver halide is arranged around the outer periphery of the cladding material. , further comprising a protective layer made of a metal material having higher deformation resistance than the metal material constituting the anti-corrosion layer and which can be cold-stretched. body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12027979A JPS5643606A (en) | 1979-09-19 | 1979-09-19 | Wire-shaped body for infrared ray transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12027979A JPS5643606A (en) | 1979-09-19 | 1979-09-19 | Wire-shaped body for infrared ray transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5643606A JPS5643606A (en) | 1981-04-22 |
| JPS623923B2 true JPS623923B2 (en) | 1987-01-28 |
Family
ID=14782298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12027979A Granted JPS5643606A (en) | 1979-09-19 | 1979-09-19 | Wire-shaped body for infrared ray transmission |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5643606A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4432606A (en) * | 1981-09-24 | 1984-02-21 | Hughes Aircraft Company | Optical fiber insensitive to temperature variations |
| JPS5880602A (en) * | 1981-11-09 | 1983-05-14 | Sumitomo Electric Ind Ltd | Fiber for infrared light |
| JP2949156B2 (en) * | 1990-03-26 | 1999-09-13 | トヨタ自動車株式会社 | Downshift control device for automatic transmission |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2821642C3 (en) * | 1977-05-24 | 1987-12-03 | Hughes Aircraft Co., Culver City, Calif. | Fiber optic waveguide and method for its manufacture |
-
1979
- 1979-09-19 JP JP12027979A patent/JPS5643606A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5643606A (en) | 1981-04-22 |
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