JPS6476931A - Production of refractive index-distributing type lens - Google Patents

Production of refractive index-distributing type lens

Info

Publication number
JPS6476931A
JPS6476931A JP62231848A JP23184887A JPS6476931A JP S6476931 A JPS6476931 A JP S6476931A JP 62231848 A JP62231848 A JP 62231848A JP 23184887 A JP23184887 A JP 23184887A JP S6476931 A JPS6476931 A JP S6476931A
Authority
JP
Japan
Prior art keywords
glass
nozzle
refractive index
lens
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
JP62231848A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0572337B2 (enrdf_load_html_response
Inventor
Kiyosumi Fujii
Hideya Ogi
Akira Akazawa
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.)
Nippon Sheet Glass Co Ltd
Original Assignee
Nippon Sheet Glass 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 Nippon Sheet Glass Co Ltd filed Critical Nippon Sheet Glass Co Ltd
Priority to JP62231848A priority Critical patent/JPS6476931A/ja
Publication of JPS6476931A publication Critical patent/JPS6476931A/ja
Publication of JPH0572337B2 publication Critical patent/JPH0572337B2/ja
Granted 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
    • C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/022—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from molten glass in which the resultant product consists of different sorts of glass or is characterised by shape, e.g. hollow fibres, undulated fibres, fibres presenting a rough surface
    • C03B37/023—Fibres composed of different sorts of glass, e.g. glass optical fibres, made by the double crucible technique

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Surface Treatment Of Glass Fibres Or Filaments (AREA)
JP62231848A 1987-09-16 1987-09-16 Production of refractive index-distributing type lens Granted JPS6476931A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62231848A JPS6476931A (en) 1987-09-16 1987-09-16 Production of refractive index-distributing type lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62231848A JPS6476931A (en) 1987-09-16 1987-09-16 Production of refractive index-distributing type lens

Publications (2)

Publication Number Publication Date
JPS6476931A true JPS6476931A (en) 1989-03-23
JPH0572337B2 JPH0572337B2 (enrdf_load_html_response) 1993-10-12

Family

ID=16929959

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62231848A Granted JPS6476931A (en) 1987-09-16 1987-09-16 Production of refractive index-distributing type lens

Country Status (1)

Country Link
JP (1) JPS6476931A (enrdf_load_html_response)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0841306A1 (en) * 1996-11-06 1998-05-13 Nippon Sheet Glass Co., Ltd. Glass compositions for core/cladding type distributed index optical element
JP2006154868A (ja) * 2006-03-09 2006-06-15 Nippon Sheet Glass Co Ltd レンズ機能付き光ファイバおよびその製造方法
US8193108B2 (en) 2004-07-23 2012-06-05 Nippon Sheet Glass Company, Limited Clad glass composition and mother glass rod for gradient-index rod lens formed using the same, gradient-index rod lens and method of manufacturing the same, rod lens array, and image processor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5612258A (en) * 1979-07-06 1981-02-06 Sony Corp Coil winding method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5612258A (en) * 1979-07-06 1981-02-06 Sony Corp Coil winding method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0841306A1 (en) * 1996-11-06 1998-05-13 Nippon Sheet Glass Co., Ltd. Glass compositions for core/cladding type distributed index optical element
US8193108B2 (en) 2004-07-23 2012-06-05 Nippon Sheet Glass Company, Limited Clad glass composition and mother glass rod for gradient-index rod lens formed using the same, gradient-index rod lens and method of manufacturing the same, rod lens array, and image processor
JP2006154868A (ja) * 2006-03-09 2006-06-15 Nippon Sheet Glass Co Ltd レンズ機能付き光ファイバおよびその製造方法

Also Published As

Publication number Publication date
JPH0572337B2 (enrdf_load_html_response) 1993-10-12

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term