| 摘要 |
PURPOSE:To enable close adhesion of resin films to negative plates in short time and to remove local adhesion faults by selectively removing emulsion layers on the negative plates and forming vacuum absorption grooves and making these negative plates closely adhere to sensitive resin films. CONSTITUTION:Parts of emulsion layers 2 on negative plates 3a and 3b are selectively removed without hindrance on the negative patterns so that vacuum absorption grooves 10 are formed. Air between sensitive resin films 7 and the emulsion layers 2, both of which are closely formed on a metallic plate 6, can be absorbed and removed through these vacuum absorption grooves. Hence, close adhesion of the sensitive resin films 7 to the negative plates 3a, 3b can be performed in a short time and adhesion faults due to remaining air can be removed.
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