| 摘要 |
A housing according to the present invention is provided with a top surface cover, a bottom surface cover that stands facing the top surface cover and has a standing wall portion of which the periphery is joined to the top surface cover, and a reinforcement member that is disposed in a space divided by the top surface cover and the bottom surface cover and has an opening, said reinforcement member being joined to the bottom surface cover, and said housing being characterized in that the bottom surface cover is formed using a material that has a thickness in the range of 0.1-0.8 mm, inclusive, and a modulus of elasticity in the range of 20-120 GPa, inclusive. |
