Title:
GLASS FIBERS
Document Type and Number:
WIPO Patent Application WO/2023/176749
Kind Code:
A1
Abstract:
The present invention provides glass fibers achieving both a low spinning temperature and a low dielectric constant and dielectric loss tangent. Provided are glass fibers that, as the glass composition, contain, in mass%, 40-80% SiO2, 0-20% Al2O3, and 10-30% B2O3, and further contain at least one selected from MgO, CaO, SrO, BaO, Li2O, Na2O, K2O, ZrO2, Fe2O3, SnO2, F, and Cl, wherein the total amount of MoO3, Cr2O3, Pt, and Rh is 0.01-500 ppm, and the value of TiO2 (mass%) × MoO3 (ppm) is no higher than 3100.
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Inventors:
KIMURA MIKI (JP)
Application Number:
PCT/JP2023/009522
Publication Date:
September 21, 2023
Filing Date:
March 13, 2023
Export Citation:
Assignee:
NIPPON ELECTRIC GLASS CO (JP)
International Classes:
C03C13/02; C03C3/089; C03C3/091; C03C3/093; C03C13/00; H05K1/03
Foreign References:
| JP2011068549A | 2011-04-07 | |||
| JP2019112246A | 2019-07-11 | |||
| JP2020093959A | 2020-06-18 | |||
| JPS632831A | 1988-01-07 | |||
| JP2005008439A | 2005-01-13 |
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