Title:
ガラスクロス、プリプレグ、及びプリント配線板
Document Type and Number:
Japanese Patent JP7010684
Kind Code:
B2
Abstract:
To provide a glass cloth having a thickness of 16 μm or less, which has little waving at coating of a prepreg, is excellent in handleability, has resin impregnation property, and can make a resin layer uniform on the front and back of the glass cloth, and the prepreg and a printed circuit board using the glass cloth.SOLUTION: A glass cloth with a thickness of 8 μm or more and 16 μm or less, which is made by weaving glass yarns composed of a plurality of glass filaments as warps and wefts, and the average mass per unit length of the warp is 1.40×10kg/M or more and less than 1.80×10kg/m, the average mass per unit length of the weft is 1.80×10kg/m or more and 4.00×10kg/m or less, and ratio of mean mass per unit length of weft to mean mass per unit length of warp (weft/warp ratio) is more than 1.20 and 1.80 or less.SELECTED DRAWING: None
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Inventors:
Hiroshi Kakizaki
Masao Endo
Masao Endo
Application Number:
JP2017237098A
Publication Date:
February 10, 2022
Filing Date:
December 11, 2017
Export Citation:
Assignee:
ASAHI KASEI KABUSHIKI KAISHA
International Classes:
D03D15/267; C08J5/24; D03D1/00; H05K1/03; H05K3/46
Domestic Patent References:
| JP2017043873A | ||||
| JP2017036527A | ||||
| JP2018021274A | ||||
| JP2016084567A | ||||
| JP2004250841A |
Attorney, Agent or Firm:
Yoshiyuki Inaba
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito
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