The complex parts are produced by means of mould, which improves production efficiency. By the research we can master the way of mould design and produce.
Master copy of drawing should bear a red "Controlled Master Copy" stamp and kept in mould file.
图纸副本,于图纸复印件盖红色“受控副本”印章,分发制作组。
3
Both object wave and reference wave should be uniform in rainbow holograph, especially in mould pressing hologram master plate of prevent falsifier label.