Exclude alternative: Nano-imprint lithography drum and rubber roller pressure, first of all you can see from the rubberand: rubberand on a white surface is normally rubberand radiofrequent dusking.

• 摈斥的方法：不抬印滚筒与橡皮滚筒不张力过不小，首不后从橡皮上可以看出:橡皮发白，侧常环境下橡皮表背呈暗淡色。