Production method of small section flexible optical fibre bundle for transmitting image using acid soluble method

An optical fiber image transmission bundle, acid-soluble technology, applied in the direction of manufacturing tools, optical fiber bundles, glass manufacturing equipment, etc., can solve the problem of low effective transmittance of optical fiber bundles

Inactive Publication Date: 2006-09-06
GUANGZHOU HONSUN OPTOELECTRONICS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the ratio of the diameter a of the core material of the flexible optical fiber bundle to the diameter c of the fiber in JP-A-8-262242 is 0.48<(a / c)<0.57, and the effective cross-sectional area converted into the core material is 23.0-32.5%, so that the optical The effective transmittance of the fiber bundle is low

Method used

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  • Production method of small section flexible optical fibre bundle for transmitting image using acid soluble method
  • Production method of small section flexible optical fibre bundle for transmitting image using acid soluble method
  • Production method of small section flexible optical fibre bundle for transmitting image using acid soluble method

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Effect test

Embodiment 1

[0028] (1) Preparation of raw glass rods: According to the composition requirements, the glass batch materials of core material, skin material and acid-soluble material are made, melted and clarified in a platinum crucible, and drawn into glass rods. The diameter of the core glass rod is 30mm, the diameter of the skin glass rod is 28mm, and the diameter of the acid-soluble glass rod is 18mm;

[0029] (2) Manufacture of coaxial three-layer monofilament: Add core glass, skin glass and acid-soluble glass rods into a three-set crucible and heat and melt at the same time. The three sets of crucibles are placed in an electric furnace, and the temperature of the electric furnace is divided. , middle and lower areas, control the temperature of the three areas at 1280°C, 960°C and 820°C respectively, then it can be drawn from the crucible and then drawn into three layers at the mouth of the three sets of crucibles. Axial monofilament; then draw three layers of coaxial monofilament at t...

Embodiment 2

[0035] (1) Preparation of raw glass rods: According to the composition requirements, the glass batch materials of core material, skin material and acid-soluble material are made, melted and clarified in a platinum crucible, and drawn into glass rods. The diameter of the core glass rod is 30mm, the diameter of the skin glass rod is 28mm, and the diameter of the acid-soluble glass rod is 18mm;

[0036] (2) Manufacture of coaxial three-layer monofilament: Add core glass, skin glass and acid-soluble glass rods into a three-set crucible and heat and melt at the same time. The three sets of crucibles are placed in an electric furnace, and the temperature of the electric furnace is divided. Three-layer, middle and lower areas are controlled, and the temperatures in these three areas are controlled at 1280°C, 960°C and 800°C respectively, and three-layer coaxial monofilaments can be drawn from the crucible, and the diameter of the monofilaments is 0.3 mm, the structure of monofilament...

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Abstract

The disclosed method comprises: with the core glass, cladding glass and acid-dissolved as raw material, heating in a crucible simultaneously to melt and manufacture the monofilament; arranging the monofilament to manufacture multifilament; then, obtaining the target product after acid dissolution. This bundle has core section as 40-50% and super effective permeance.

Description

technical field [0001] The invention relates to a method for manufacturing an acid-soluble small-section flexible optical fiber image transmission bundle, and belongs to the field of flexible optical fiber image transmission bundle manufacturing. Background technique [0002] There are generally two production processes for flexible optical fiber image transmission bundles. One is the wire arrangement method, that is, the double-layer coaxial monofilaments are wound in an orderly manner, and then bonded with an organic adhesive and cut into bundles. The second is the acid-soluble method, which first produces three layers of coaxial monofilaments, then arranges them into bundles, heat-melts and draws them into multifilaments, and finally immerses them in acid to remove the acid-soluble glass to form a flexible optical fiber bundle. There are also two methods for the manufacture of three-layer coaxial monofilament in the acid-soluble method: one is the tube-and-rod method, an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B6/06C03B37/01
Inventor 王中俭胡一晨刘俊锋罗新华刘建
Owner GUANGZHOU HONSUN OPTOELECTRONICS
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