| 摘要 |
<P>PROBLEM TO BE SOLVED: To enable a visual confirmation of appropriately positioned fixation even when ICs having different package shapes are mounted. <P>SOLUTION: A printed board has a position regulation mark indicated on a surface such that, when electrodes of first IC or second IC are appropriately arranged on lands, it has external slight intervals to sides of the IC arranged in the appropriate position in a plain view of the printed board, and an orientation regulation mark indicated on the surface such that, whichever of the first IC and second IC may be arranged in the appropriate position, it is partly covered by a reference corner of the IC arranged in the appropriate position in a plain view of the printed board. <P>COPYRIGHT: (C)2012,JPO&INPIT |
