| 摘要 |
PROBLEM TO BE SOLVED: To provide a BGA mounting printed circuit board capable of easily judging a 1-pin position of the BGA even afer the BGA is mounted. SOLUTION: The BGA mounting printed circuit board 20 mounts the BGA 20 on a printed circuit board 10. The printed circuit board 20 comprises a first silk-screen printed part 12 indicating a profile shape of a BGA package, and a second silk-screen printed part 13 indicating a component disposition inhibiting zone around the BGA package on a surface of the printed circuit. In this case, cutouts 12a and 13a indicating 1-pin positions of the BGA 20 are respectively formed on the first and second silk-screen printed parts.
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