| 摘要 |
Two types of semiconductor packages (6a, 6b), being different in direction of bending of external lead terminals (3) from each other, are prepared to be mounted on a single surface or both surfaces of a package substrate. In case of single-surface mounting, the external lead terminals (3) of the same pin numbers can be electrically connected with each other by drawing around wires (9). In case of double-surface mounting, the external lead terminals (3) of the same pin numbers can be electrically connected with each other by through holes.
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