JPS56111820A - Connection substrate of fiber for light communication and its manufacture - Google Patents

Connection substrate of fiber for light communication and its manufacture

Info

Publication number
JPS56111820A
JPS56111820A JP1353980A JP1353980A JPS56111820A JP S56111820 A JPS56111820 A JP S56111820A JP 1353980 A JP1353980 A JP 1353980A JP 1353980 A JP1353980 A JP 1353980A JP S56111820 A JPS56111820 A JP S56111820A
Authority
JP
Japan
Prior art keywords
impregnated
pores
metal oxide
silicon nitride
fiber
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
Application number
JP1353980A
Other languages
Japanese (ja)
Other versions
JPS6235083B2 (en
Inventor
Toshiaki Satake
Yasuo Imamura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denka Co Ltd
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
Denki Kagaku Kogyo KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp, Denki Kagaku Kogyo KK filed Critical Nippon Telegraph and Telephone Corp
Priority to JP1353980A priority Critical patent/JPS56111820A/en
Publication of JPS56111820A publication Critical patent/JPS56111820A/en
Publication of JPS6235083B2 publication Critical patent/JPS6235083B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4415—Cables for special applications
    • G02B6/4427—Pressure resistant cables, e.g. undersea cables
    • G02B6/4428—Penetrator systems in pressure-resistant devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Coupling Of Light Guides (AREA)

Abstract

PURPOSE:To improve watertightness easily by preventing characteristics from deteriorating at a connection part by sealing inevitable pores, formed in silicon nitride, with an impregnated organic or inorganic substance, such as thermoplastic or thermosetting resin and metal oxide. CONSTITUTION:A temporary formed body of metallic silicon powder is converted into silicon nitride of high hardness by being held in a high-temperature nitrogenous atmosphere, but inevitable pores are generated normally at porosity 10-20%. The pores, after impregnated with various monomers, are polymerized or impregnated with plastics of low viscosity, such as paraffine and further steeped in a solution of inorganic salts, etc., such as AlCl3, and then a heat treatment is performed to produce stable metal oxide such as Al2O3. Consequently, reliability and high hardness are provided and watertightness can be improved easily.
JP1353980A 1980-02-08 1980-02-08 Connection substrate of fiber for light communication and its manufacture Granted JPS56111820A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1353980A JPS56111820A (en) 1980-02-08 1980-02-08 Connection substrate of fiber for light communication and its manufacture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1353980A JPS56111820A (en) 1980-02-08 1980-02-08 Connection substrate of fiber for light communication and its manufacture

Publications (2)

Publication Number Publication Date
JPS56111820A true JPS56111820A (en) 1981-09-03
JPS6235083B2 JPS6235083B2 (en) 1987-07-30

Family

ID=11835954

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1353980A Granted JPS56111820A (en) 1980-02-08 1980-02-08 Connection substrate of fiber for light communication and its manufacture

Country Status (1)

Country Link
JP (1) JPS56111820A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63157395U (en) * 1987-04-03 1988-10-14

Also Published As

Publication number Publication date
JPS6235083B2 (en) 1987-07-30

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