| 摘要 |
PROBLEM TO BE SOLVED: To provide a printed circuit board, and more specifically a printed circuit board having insulating layer crack preventing part.SOLUTION: A printed circuit board comprises: an insulating layer part having at least one pair of insulating layers stacked therein; circuit patterns formed on the insulating layers, respectively; and crack preventing parts formed at positions at which they are not interfered by the respective circuit patterns of the insulating layer part and supporting the insulating layer part from external impact. |
