| 摘要 |
A protection structure is provided for protecting a disc 50 which includes an inner annular portion 52, an outer annular portion 56, and a data reading region 58 on an underside thereof and located between the inner and outer annular portions. The protection structure includes a film 10 releasably mounted on the underside of the disc for closely covering and shielding the data reading region. The film has an inner rim portion 12 releasably adhered to the inner annular portion of the disc and an outer rim portion 16 abutting on the outer annular portion thereof.
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