| 摘要 |
PROBLEM TO BE SOLVED: To provide a printed wiring board having good unplugging resistance.SOLUTION: A printed wiring board 1 comprises: a base substrate 3; a plurality of electric connection pads 15a and 17a of a connection edge 13 connected to other electronic parts, arranged on one surface side of the base substrate 3; wiring 9 and 11 connected to the pads 15a and 17a; and parts 28 and 29 to be engaged, which are formed on a side edge part of the connection edge 13 to be locked to an engaging part of the other electronic parts in a pull-out direction. The printed wiring board 1 comprises: reinforcement layers 31 and 32 arranged at a front side of the parts 28 and 29 to be engaged when viewed from a connection direction with the other electronic parts and on one surface side of the base substrate 3, and integrally formed with the pad 15a; and insulation layers 34 and 35 covering the reinforcement layers 31 and 32. |
