total thickness variation

基本解釋

This paper studies the influence rule of the blade's vibration and the surface roughness, warp, total thickness variation (TTV) of the wafers, study the abrasi.
本文系統(tǒng)研究了內(nèi)圓鋸切過程中，鋸片振動對硅晶片表面粗糙度、彎曲度、總厚度變化（TTV）的影響規(guī)律。
According to the theory of drying of liquid drop, Mathematical model of the total variation velocity of liquid film and increasing of coating thickness is gained by heat accounting.
在小液滴干燥理論基礎(chǔ)上，通過質(zhì)量和熱量衡算，得到了包衣過程中顆粒表面液膜變化速率模型，包衣層厚度增長模型及顆粒質(zhì)量增長線性模型，并對理論模型進(jìn)行了修正。
Maximize the number of parts processed per load. The more parts in a machine load, the better the capability to overcome incoming part-to-part thickness variation and total thickness variation (TTV).
使每次拋光過程中砂輪所接觸的產(chǎn)品部分總面積達(dá)到最大，這樣的話，就能更好地克服拋光產(chǎn)品的各部分厚度變化和總體厚度變化（即TTV）。
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