| 摘要 |
An electronic component accommodating device which can be stacked in plural, the electronic component accommodating device includes an upper surface side wall part extending from an upper surface of the electronic component accommodating device, the upper surface side wall part being positioned close to a flange extending from a lower surface of another electronic component accommodating device stacked on the electronic component accommodating device, wherein a side surface of the upper surface side wall part a side end part of the electronic component accommodating device is formed in a taper shape and has an inclination angle from a horizontal surface, the inclination angle being equal to or less than 60 degrees.
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