Title:
MANUFACTURING METHOD OF GLASS FILAMENT
Document Type and Number:
Japanese Patent JP2022173836
Kind Code:
A
Abstract:
To provide a manufacturing method of an ultrafine glass filament containing less hydroxy group content and low dielectric loss.SOLUTION: A manufacturing method of a glass filament with a hydroxy group (Si-OH) content of 300 ppm or under and diameter of 1-20 μm includes irradiating a raw yarn having a raw yarn diameter of 100-2000 μm and involving 70 mass% or over of SiO2 with a laser beam having a wavelength of 0.7-100 μm, followed by heating and drawing the raw yarn to obtain the glass filament.SELECTED DRAWING: None
Inventors:
TAGUCHI YUSUKE
FUKAZAWA HIROYUKI
SHIOBARA TOSHIO
TAKAHASHI YUTA
IKAGA TOSHIFUMI
KIM KYOUNG HOU
OGOSHI YUTAKA
FUKAZAWA HIROYUKI
SHIOBARA TOSHIO
TAKAHASHI YUTA
IKAGA TOSHIFUMI
KIM KYOUNG HOU
OGOSHI YUTAKA
Application Number:
JP2021079801A
Publication Date:
November 22, 2022
Filing Date:
May 10, 2021
Export Citation:
Assignee:
SHINETSU CHEMICAL CO
UNIV SHINSHU
UNIV SHINSHU
International Classes:
D01F9/08
Attorney, Agent or Firm:
Patent Attorney Corporation Eimei International Patent Office
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