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    • 2. 发明公开
    • PRINTED CIRCUIT BOARD
    • 印刷电路板
    • EP2916629A1
    • 2015-09-09
    • EP14854898.5
    • 2014-01-14
    • Meiko Electronics Co., Ltd.
    • ISHIKAWA, AkihiroYAMAMOTO,ToruINOKUCHI, Kazuya
    • H05K3/28H05K1/02H05K3/46
    • H05K1/028H05K1/024H05K1/025H05K1/0278H05K1/0281H05K3/0044H05K3/282H05K3/4652H05K3/4691H05K2201/0187H05K2201/0191H05K2203/0207H05K2203/0228
    • A printed wiring board (10) includes: an inner layer structure body (20) containing at least an inner layer insulative base material (31) composed of a glass cloth (31a) and resin (31b) which covers the glass cloth (31a) and not containing a resin insulative base material composed only of resin; outer layer wiring (21) formed on a first face (20a) of the inner layer structure body (20); and a solder resist layer (23) formed on a surface of the outer layer wiring (21), wherein in the inner layer structure body (20), an opening part (11) is formed, and the solder resist layer (23) is composed of a first ink part (23a) covering at least the outer layer wiring (21) that is formed on a partial region of the first face (20a) which corresponds to the opening part (11) and a second ink part (23b) interposing both ends of the first ink part (23a) and being lower in flexibility than the first ink part (23a).
    • 印刷电路板(10)具有至少包含由玻璃布(31a)构成的内层绝缘基材(31)和覆盖该玻璃布(31a)的树脂(31b)的内层结构体(20) 并且不包含仅由树脂构成的树脂绝缘基材; 形成在所述内层结构体(20)的第一面(20a)上的外层布线(21); 和形成在所述外层布线(21)的表面上的阻焊层(23),其中在所述内层结构体(20)中形成开口部分(11),并且所述阻焊层(23)是 由至少覆盖形成在所述第一面(20a)的与所述开口部(11)对应的部分区域上的所述外层布线(21)的第一墨水部分(23a)和第二墨水部分(23b)构成, 介于第一墨水部分(23a)的两端并且柔性比第一墨水部分(23a)低。