发明授权
US4087828A Process for the storage and reproduction of information 失效
存储和再现信息的过程

Process for the storage and reproduction of information
摘要:
A process for patterned storage and reproduction of information in which a photoconductive recording material is altered by an electron beam in correspondence with the information, a free charge is applied to the photoconductive recording material and the flowing off of this charge is made visible differing in correspondence with the pattern.
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