FI940500A0 - Process for preparing the porous optical fiber preform - Google Patents

Process for preparing the porous optical fiber preform

Info

Publication number
FI940500A0
FI940500A0 FI940500A FI940500A FI940500A0 FI 940500 A0 FI940500 A0 FI 940500A0 FI 940500 A FI940500 A FI 940500A FI 940500 A FI940500 A FI 940500A FI 940500 A0 FI940500 A0 FI 940500A0
Authority
FI
Finland
Prior art keywords
preparing
optical fiber
fiber preform
porous optical
porous
Prior art date
Application number
FI940500A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI94747C (en
FI94747B (en
FI940500A (en
Inventor
Yuichi Ohga
Skinji Ishikawa
Hiroo Kanamori
Ichiro Tsuchiya
Hiroshi Yokota
Original Assignee
Sumitomo Electric Industries
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
Priority claimed from FI904390A external-priority patent/FI92817C/en
Application filed by Sumitomo Electric Industries filed Critical Sumitomo Electric Industries
Publication of FI940500A0 publication Critical patent/FI940500A0/en
Publication of FI940500A publication Critical patent/FI940500A/en
Application granted granted Critical
Publication of FI94747B publication Critical patent/FI94747B/en
Publication of FI94747C publication Critical patent/FI94747C/en

Links

FI940500A 1989-09-06 1994-02-03 A method for producing a porous preform of an optical fiber FI94747C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP23237889 1989-09-06
JP23237889 1989-09-06
FI904390 1990-09-06
FI904390A FI92817C (en) 1989-09-06 1990-09-06 Heating furnace for heating a porous optical fiber primer

Publications (4)

Publication Number Publication Date
FI940500A0 true FI940500A0 (en) 1994-02-03
FI940500A FI940500A (en) 1994-02-03
FI94747B FI94747B (en) 1995-07-14
FI94747C FI94747C (en) 1995-10-25

Family

ID=26158807

Family Applications (1)

Application Number Title Priority Date Filing Date
FI940500A FI94747C (en) 1989-09-06 1994-02-03 A method for producing a porous preform of an optical fiber

Country Status (1)

Country Link
FI (1) FI94747C (en)

Also Published As

Publication number Publication date
FI94747C (en) 1995-10-25
FI94747B (en) 1995-07-14
FI940500A (en) 1994-02-03

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Legal Events

Date Code Title Description
BB Publication of examined application
MA Patent expired