JPS62176935A - 光フアイバ用プリフオ−ムの製造方法 - Google Patents

光フアイバ用プリフオ−ムの製造方法

Info

Publication number
JPS62176935A
JPS62176935A JP1667886A JP1667886A JPS62176935A JP S62176935 A JPS62176935 A JP S62176935A JP 1667886 A JP1667886 A JP 1667886A JP 1667886 A JP1667886 A JP 1667886A JP S62176935 A JPS62176935 A JP S62176935A
Authority
JP
Japan
Prior art keywords
refractive index
glass
rod
quartz glass
index difference
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
JP1667886A
Other languages
English (en)
Japanese (ja)
Other versions
JPH048381B2 (enrdf_load_stackoverflow
Inventor
Akira Urano
章 浦野
Tsunehisa Kyodo
倫久 京藤
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries 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 Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to JP1667886A priority Critical patent/JPS62176935A/ja
Publication of JPS62176935A publication Critical patent/JPS62176935A/ja
Publication of JPH048381B2 publication Critical patent/JPH048381B2/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
    • C03B37/012—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
    • C03B37/01211—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments by inserting one or more rods or tubes into a tube

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)
  • Glass Melting And Manufacturing (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
JP1667886A 1986-01-30 1986-01-30 光フアイバ用プリフオ−ムの製造方法 Granted JPS62176935A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1667886A JPS62176935A (ja) 1986-01-30 1986-01-30 光フアイバ用プリフオ−ムの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1667886A JPS62176935A (ja) 1986-01-30 1986-01-30 光フアイバ用プリフオ−ムの製造方法

Publications (2)

Publication Number Publication Date
JPS62176935A true JPS62176935A (ja) 1987-08-03
JPH048381B2 JPH048381B2 (enrdf_load_stackoverflow) 1992-02-14

Family

ID=11922968

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1667886A Granted JPS62176935A (ja) 1986-01-30 1986-01-30 光フアイバ用プリフオ−ムの製造方法

Country Status (1)

Country Link
JP (1) JPS62176935A (enrdf_load_stackoverflow)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2167304C (en) 1993-07-16 1998-04-21 Louis B. Rosenberg Multi degree of freedom human-computer interface with tracking and forcefeedback
US5623582A (en) 1994-07-14 1997-04-22 Immersion Human Interface Corporation Computer interface or control input device for laparoscopic surgical instrument and other elongated mechanical objects
US5959613A (en) 1995-12-01 1999-09-28 Immersion Corporation Method and apparatus for shaping force signals for a force feedback device
US5825308A (en) 1996-11-26 1998-10-20 Immersion Human Interface Corporation Force feedback interface having isotonic and isometric functionality
US6300936B1 (en) 1997-11-14 2001-10-09 Immersion Corporation Force feedback system including multi-tasking graphical host environment and interface device
SE519661C2 (sv) 1996-02-23 2003-03-25 Immersion Corp Pekdon och förfarande för markering av grafiska detaljer på en display med sensorisk återkoppling vid påträffande av nämnda detalj
US5828197A (en) 1996-10-25 1998-10-27 Immersion Human Interface Corporation Mechanical interface having multiple grounded actuators
US6956558B1 (en) 1998-03-26 2005-10-18 Immersion Corporation Rotary force feedback wheels for remote control devices
US7489309B2 (en) 1996-11-26 2009-02-10 Immersion Corporation Control knob with multiple degrees of freedom and force feedback
US6020876A (en) 1997-04-14 2000-02-01 Immersion Corporation Force feedback interface with selective disturbance filter
WO1998047426A1 (en) 1997-04-21 1998-10-29 Virtual Technologies, Inc. Goniometer-based body-tracking device and method
US7472047B2 (en) 1997-05-12 2008-12-30 Immersion Corporation System and method for constraining a graphical hand from penetrating simulated graphical objects
US6252579B1 (en) 1997-08-23 2001-06-26 Immersion Corporation Interface device and method for providing enhanced cursor control with force feedback
US6211861B1 (en) 1998-06-23 2001-04-03 Immersion Corporation Tactile mouse device
US6088019A (en) 1998-06-23 2000-07-11 Immersion Corporation Low cost force feedback device with actuator for non-primary axis
US6184868B1 (en) 1998-09-17 2001-02-06 Immersion Corp. Haptic feedback control devices
US6697043B1 (en) 1999-12-21 2004-02-24 Immersion Corporation Haptic interface device and actuator assembly providing linear haptic sensations
US6564168B1 (en) 1999-09-14 2003-05-13 Immersion Corporation High-resolution optical encoder with phased-array photodetectors
DE20080209U1 (de) 1999-09-28 2001-08-09 Immersion Corp Steuerung von haptischen Empfindungen für Schnittstellenvorrichtungen mit Vibrotaktiler Rückkopplung
US6693626B1 (en) 1999-12-07 2004-02-17 Immersion Corporation Haptic feedback using a keyboard device
US6906697B2 (en) 2000-08-11 2005-06-14 Immersion Corporation Haptic sensations for tactile feedback interface devices
US6995744B1 (en) 2000-09-28 2006-02-07 Immersion Corporation Device and assembly for providing linear tactile sensations
US7182691B1 (en) 2000-09-28 2007-02-27 Immersion Corporation Directional inertial tactile feedback using rotating masses
EP1330811B1 (en) 2000-09-28 2012-08-22 Immersion Corporation Directional tactile feedback for haptic feedback interface devices
US7202851B2 (en) 2001-05-04 2007-04-10 Immersion Medical Inc. Haptic interface for palpation simulation
US7056123B2 (en) 2001-07-16 2006-06-06 Immersion Corporation Interface apparatus with cable-driven force feedback and grounded actuators
US7369115B2 (en) 2002-04-25 2008-05-06 Immersion Corporation Haptic devices having multiple operational modes including at least one resonant mode
US7161580B2 (en) 2002-04-25 2007-01-09 Immersion Corporation Haptic feedback using rotary harmonic moving mass
US7283120B2 (en) 2004-01-16 2007-10-16 Immersion Corporation Method and apparatus for providing haptic feedback having a position-based component and a predetermined time-based component
US7505030B2 (en) 2004-03-18 2009-03-17 Immersion Medical, Inc. Medical device and procedure simulation

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5532716A (en) * 1978-08-25 1980-03-07 Nippon Telegr & Teleph Corp <Ntt> Production of single mode optical fiber
JPS60239334A (ja) * 1984-05-11 1985-11-28 Sumitomo Electric Ind Ltd 光フアイバ用母材の製造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5532716A (en) * 1978-08-25 1980-03-07 Nippon Telegr & Teleph Corp <Ntt> Production of single mode optical fiber
JPS60239334A (ja) * 1984-05-11 1985-11-28 Sumitomo Electric Ind Ltd 光フアイバ用母材の製造方法

Also Published As

Publication number Publication date
JPH048381B2 (enrdf_load_stackoverflow) 1992-02-14

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