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华北光学仪器厂研究成“透射面光学复制工艺”并应用于施米特校正板、。工艺通过母模加工、真空镀膜、复制胶合以及脱模等技术手段将母模的面形忠实地复制于基体上。采用
North China Optical Instrument Factory into a “transmissive optical replication process” and applied Schmitt plate. Process through the master mold processing, vacuum coating, copy and glue and demoulding and other technical means will master copy of the faithful shape of the matrix. use