The relationship of the welding seam microstructure of the drum cathode and the light region forming on the copper foil surface was studied.
研究了阴极辊焊缝处组织与电解铜箔表面上形成的光亮带之间的关系。
A pattern forming apparatus is provided with a drum-shaped engraved plate (1) which rotates along a medium to which a pattern is to be transferred.
一种图案形成装置，具有沿着被转印介质滚动的滚筒状的凹版（1）。
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