The mechanism analyses based on writing and erasure of the hologram, self diffraction and size effect are given.
文中还给出了基于全息记录与擦除、自衍射与尺寸效应等的机理解释。
The invention reaches an effect that the invention can use the recording medium repeatedly via the arranged erasure part which can erase the storing information in the recording medium.
本发明通过设有能够擦除记录媒体中存储信息的擦除部，达到可以反复使用记录媒体的效果。
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