三层金属 meaning in English

metal, triple-layer (tlm)
triple-level metal tlm
triplelayer metall

Back then , chip designers considered it risky to add two or three layers of metal on top of the silicon wafer because each new layer added hills and valleys that made it difficult to keep photolithographic patterns in focus
当时的晶片设计者认为在矽晶圆上加上两三层金属有点冒险，会使晶圆表面凹凸不平，增加光刻过程中聚焦的困难。
In a word , the two type of voa both have valuable applicability and potential market . the author have done numerous processing to work out new processing such as polymer coating and cure and triple - layer - metal film vaporing . other new processing , polymer ultra - violet ( uv ) cure and inductively - coupled plasma ( icp ) etching were studied
作者经过反复的工艺实验，确定了聚合物波导涂膜和固化、三层金属电极蒸发和腐蚀等新工艺的参数，并得到了聚合物紫外固化、等离子体刻蚀等新工艺的初步数据。