GLASS CLOTH, PREPREG AND PRINT CIRCUIT BOARD

• Main Authors: MATSUIDE DAISUKE, ENDO MASAO
• Format: Patent
• Language: English; Japanese
• Published: 03.04.2023
• Subjects: CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; CONVEYING; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; HANDLING THIN OR FILAMENTARY MATERIAL; HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES; LOOMS; MAKING GRANULES OR PREFORMS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS; METHODS OF WEAVING; PACKING; PERFORMING OPERATIONS; PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED; PRINTED CIRCUITS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS; STORING; TEXTILES; TRANSPORTING; WEAVING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; WOVEN FABRICS

To provide a glass cloth which has a small risk of breakage and has a thickness of 20 μm or less.SOLUTION: A glass cloth includes a specific region in which a breaking elongation is in the range of 1.4% or more to 4.0% or less when applying a tensile stress in the warp direction to both end regions in the crosswise direction.SELECTED DRAWING: Figure 2 【課題】本発明は、破断のリスクの小さい厚さ２０μｍ以下のガラスクロスを提供することを目的とする。【解決手段】幅方向の両方の端領域に、経糸方向に引張り応力を作用させた際に破断に至るまでの伸び量が１．４％以上４．０％以下である特定領域を含む、ガラスクロスが提供される。【選択図】図２