| 摘要 |
A body pressure distribution sensor sheet (10) has a first sheet (11), a second sheet (12), and pressure sensitive sections sandwiched between the fi rst and second sheets. The pressure sensitive sections are arranged in a mat rix pattern in which they are separated from each other and are laid out in two directions, longitudinal and lateral directions. In a region between a p air of pressure sensitive sections (201a, 202b) that are adjacent to each ot her in a first oblique direction, there are formed a first opening (15), a s econd opening (16), and a cut (17). The shape of the first opening is define d by sides including a side (15b) laterally extending from one end of the cu t (17) and a side (15c) vertically extending from the one end. The shape of the second opening is defined by sides including a side (16b) laterally exte nding from the other end of the cut (17) and a side (16c) vertically extendi ng from the other end.
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