Title:
GLASS CLOTH, PREPREG AND PRINT CIRCUIT BOARD
Document Type and Number:
Japanese Patent JP2019019431
Kind Code:
A
Abstract:
To provide: a glass cloth capable of fabricating a high-quality substrate in which delamination hardly occurs; a prepreg using the same; and a print circuit board.SOLUTION: A glass cloth is obtained by weaving a glass thread composed of a plurality of glass filaments as the warp and weft. The glass filament has the average filament diameter of 3.0-4.5 μm and the glass filament number of 20-50. The picking densities of the warp and weft composed of the glass cloth each are 70-130/inch. The glass cloth has the thickness of 7-13 μm and the maximum area of basket holes present in the glass cloth is 50,000 μmor less.SELECTED DRAWING: None
Inventors:
HOMMA HIROYUKI
TACHIBANA SHINICHIRO
TACHIBANA SHINICHIRO
Application Number:
JP2017139769A
Publication Date:
February 07, 2019
Filing Date:
July 19, 2017
Export Citation:
Assignee:
ASAHI KASEI CORP
International Classes:
D03D15/12; C08J5/24; D03D15/00; H05K1/03
Domestic Patent References:
| JP2017036527A | 2017-02-16 | |||
| JP2009126917A | 2009-06-11 | |||
| JP6020764B1 | 2016-11-02 | |||
| JP2017043873A | 2017-03-02 | |||
| JP2009144255A | 2009-07-02 | |||
| JP2016084567A | 2016-05-19 | |||
| JP2005213656A | 2005-08-11 |
Foreign References:
| WO2011034055A1 | 2011-03-24 |
Attorney, Agent or Firm:
Yoshiyuki Inaba
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito