| 摘要 |
<p>A memory card (10) including a memory disc (3), and a pair of cover sheets (5, 6) rotatably mounting the circular memory disc (3) between them, at least one of the cover sheets (5, 6) being formed with a window opening (52, 62) aligned with a Read section of the respective face of the circular memory disc (3), characterized by the cover sheets (5, 6) being constructed of a metal (28) having a Young's modulus of at least 60,000 MPa approximately.</p> |
