Glass cloth, glass cloth production method, prepreg, and printed wiring board
AssigneeAsahi Kasei Kabushiki Kaisha
InventorYuka Fukaya
Life of this patent
Estimating the term…
Abstract
Provided is a glass cloth with which suitable impregnation properties with low dielectric resins can be obtained. A glass cloth includes glass yarns composed of a plurality of glass filaments, woven as warp and weft yarns, and surface-treated with a surface treatment agent, wherein when embedding the glass cloth in an epoxy resin and curing the resin, and thereafter observing a cross section of the glass cloth, a filament adhesion ratio (a number of adhesion points between filaments adhering to each other/total number of filaments) is greater than 0 and 0.80 or less.
Claims14
A glass cloth embedded in an epoxy resin, the glass cloth comprising glass yarns comprising a plurality of glass filaments, woven as warp and weft yarns, and surface-treated with a surface treatment agent, wherein
- when embedding the glass cloth in the epoxy resin and curing the epoxy resin, and thereafter observing a cross section of the glass cloth, a filament adhesion ratio (a number of adhesion points between filaments adhering to each other/total number of filaments) is greater than 0 and 0.70 or less.
Dependencies are inferred from the claim text.