Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Koji Shimoda0
Makoto Shimizu0
Yuji Kubo0
Date of Patent
April 29, 2008
0Patent Application Number
102401970
Date Filed
March 13, 2002
0Patent Primary Examiner
Patent abstract
An optical fiber 1 comprising a glass portion 2 having a core 2a and a cladding 2b, and one or more covering layers 3 formed around the glass portion 2, in which an arrangement form of the covering layer 3 with respect to the glass portion 2 in cross section perpendicular to a longitudinal direction thereof is changed continuously in the longitudinal direction thereof.
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