Title:
PRODUCTION OF POROUS PREFORM FOR OPTICAL FIBER
Document Type and Number:
Japanese Patent JPH082935
Kind Code:
A
Abstract:
PURPOSE: To produce a porous preform for an optical fiber giving an optical fiber having excellent mechanical strength and high quality.
CONSTITUTION: This production process comprises a step to obtain a molding material by adding fine particles having particle diameter satisfying the following formula to a silica-based powder and a step to produce a porous preform by the powder-forming of the molding material. d≤{(2/√3)-1}×D (d is particle diameter of the fine particle; D is particle diameter of the silica powder).
Inventors:
YAGI TAKESHI
OKU MASATO
MORIKAWA TAKAYUKI
SATO TSUGIO
YOSHIDA KAZUAKI
OKU MASATO
MORIKAWA TAKAYUKI
SATO TSUGIO
YOSHIDA KAZUAKI
Application Number:
JP13712094A
Publication Date:
January 09, 1996
Filing Date:
June 20, 1994
Export Citation:
Assignee:
FURUKAWA ELECTRIC CO LTD
International Classes:
G02B6/00; C03B19/06; C03B37/014; (IPC1-7): C03B37/014; C03B19/06; G02B6/00
Attorney, Agent or Firm:
Takehiko Suzue