Title:
GLASS CLOTH, PREPREG AND PRINTED WIRING BOARD
Document Type and Number:
WIPO Patent Application WO/2023/171680
Kind Code:
A1
Abstract:
The present disclosure relates to a glass cloth, a prepreg and a printed wiring board. The glass cloth is made by weaving glass yarn, wherein the bulk dielectric loss tangent of glass in the glass yarn is 0.0010 or less, the flexural rigidity (gf·cm2/cm) per unit weight (g/m2) of the glass cloth in the warp direction is in the range of 0.0002-0.0014, and the dielectric loss tangent of the glass cloth at 10 GHz is in the range of more than 0 and 0.00010 or less.
More Like This:
| WO/2023/090280 | CUSHIONING MATERIAL FOR HOT PRESSING |
| JP7015972 | Glass cloth, prepreg, and printed wiring board |
| JP7098200 | Cushion material for heat press |
Inventors:
HIROSE AMANE (JP)
HASHIMOTO YUKA (JP)
HASHIMOTO YUKA (JP)
Application Number:
PCT/JP2023/008628
Publication Date:
September 14, 2023
Filing Date:
March 07, 2023
Export Citation:
Assignee:
ASAHI CHEMICAL IND (JP)
International Classes:
D03D15/267; C03C13/00; C03C25/1095; C03C25/25; C03C25/40; H05K1/03
Domestic Patent References:
| WO2022202079A1 | 2022-09-29 |
Foreign References:
| JP2021195689A | 2021-12-27 | |||
| JP7015972B1 | 2022-02-03 | |||
| JP6570780B1 | 2019-09-04 | |||
| JP2020105683A | 2020-07-09 | |||
| CN102817226A | 2012-12-12 | |||
| JPH06166952A | 1994-06-14 | |||
| JPS59130365A | 1984-07-26 | |||
| JPS4980394A | 1974-08-02 | |||
| JP2023034712A | 2023-03-13 |
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
Download PDF:
Previous Patent: COMPOSITION CONTAINING HIGHLY SAFE AMIDE COMPOUND
Next Patent: COMBUSTION MODE SWITCHING ENGINE
Next Patent: COMBUSTION MODE SWITCHING ENGINE