| 摘要 |
PROBLEM TO BE SOLVED: To prevent an electric component from being mounted on a position which is different from the proper mounting position of the component and the occurrence of Manhattan phenomena and, at the same time, solder balls. SOLUTION: The whole bodies of both lands 11 between their adjoining sides 5a and other sides 5b are exposed from a cover lay 7. COPYRIGHT: (C)2004,JPO&NCIPI
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