PRINTED-WIRING BOARD AND METHOD OF PRODUCING THE SAME

摘要

[Object] To provide a printed wiring board that can prevent occurrence of a short. [Constitution] A printed wiring board 100 has a via land 2A, a glass epoxy resin layer 3, a via conductor 6, and a block layer 4A. The via land 2A is formed on a core layer 1. The glass epoxy resin layer 3 is formed on the core layer 1 and the via land 2A. The via conductor 6 is formed on the via land 2A. The block layer 4A is formed on the via land 2A, between the via conductor 6 and the glass epoxy resin layer 3.