JPS5320341A - Manufacture of raw material of photo-fiber - Google Patents

Manufacture of raw material of photo-fiber

Info

Publication number
JPS5320341A
JPS5320341A JP9510776A JP9510776A JPS5320341A JP S5320341 A JPS5320341 A JP S5320341A JP 9510776 A JP9510776 A JP 9510776A JP 9510776 A JP9510776 A JP 9510776A JP S5320341 A JPS5320341 A JP S5320341A
Authority
JP
Japan
Prior art keywords
fiber
photo
manufacture
raw material
quertz
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
Application number
JP9510776A
Other languages
Japanese (ja)
Inventor
Hidenori Nomura
Tomoo Yanase
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP9510776A priority Critical patent/JPS5320341A/en
Publication of JPS5320341A publication Critical patent/JPS5320341A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
    • C03B37/01853—Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
    • C03B37/01225—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing
    • C03B37/01228—Removal of preform material
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/10—Internal structure or shape details
    • C03B2203/22—Radial profile of refractive index, composition or softening point

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)

Abstract

PURPOSE:To make a high quality photo-fiber in a stable manner by evaporating and removing removing a portion of other materials than quertz from the inner wall of a glass layer of a special low refractive index.
JP9510776A 1976-08-10 1976-08-10 Manufacture of raw material of photo-fiber Pending JPS5320341A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9510776A JPS5320341A (en) 1976-08-10 1976-08-10 Manufacture of raw material of photo-fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9510776A JPS5320341A (en) 1976-08-10 1976-08-10 Manufacture of raw material of photo-fiber

Publications (1)

Publication Number Publication Date
JPS5320341A true JPS5320341A (en) 1978-02-24

Family

ID=14128630

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9510776A Pending JPS5320341A (en) 1976-08-10 1976-08-10 Manufacture of raw material of photo-fiber

Country Status (1)

Country Link
JP (1) JPS5320341A (en)

Similar Documents

Publication Publication Date Title
AU498726B2 (en) Manufacture cf glass
JPS5384015A (en) Photochromic glass and production thereof
FR2419911B1 (en) GRANULATION OF RAW MATERIALS IN POWDER FOR THE MANUFACTURE OF GLASS
AU499877B2 (en) Production of glass articles with desired refractive index distribution
AU505788B2 (en) Manufacture of flat glass
JPS5373067A (en) Polisher
JPS5320341A (en) Manufacture of raw material of photo-fiber
JPS53117069A (en) Manufacture of polyolefin resin sheets
JPS5414399A (en) Production of beryl single crystal
JPS5414250A (en) Production of fiber base material for optical communication
JPS5222895A (en) Display panel manufacturing system
JPS52122069A (en) Production of waveguide type band-pass filter
AU512312B2 (en) Manufacture of flat glass
JPS52113757A (en) Manufacture of optical circuit
JPS53105246A (en) Production of fiber for optical transmission
JPS5313932A (en) Manufacture of optical fiber material
JPS51150348A (en) Light aperture
JPS5391145A (en) Manufacturing of pencil-type cosmetic
JPS5419574A (en) Tritium light
JPS5352390A (en) Anti-reflective transparent materialand its production
JPS533483A (en) Sunshade materials
JPS5419573A (en) Tritium light
JPS5378850A (en) Preparation of optical fiber
JPS51134742A (en) Molding composition
JPS51138449A (en) Light transmission fiber and method for fabricating the same