| 摘要 |
PROBLEM TO BE SOLVED: To provide a printed wiring board which allows for enhancement of soldering reliability of an electronic component to a land, and to provide a method of manufacturing a printed circuit.SOLUTION: A printed wiring board 1 includes a first land 21 of closed shape provided on a substrate body 10, a second land 22 connected with the first land, and provided on the substrate body so as to surround the first land, and third lands 23E, 24E connected with the second land, and provided on the substrate body so as to project farther outside than the outer shape of a predetermined electronic component 4 mounted on the first land and second land. The predetermined electronic component 4 has a detector for detecting a predetermined physical quantity, at a position (1H) corresponding to the first land. |
