etching time造句
例句與造句
- Etching time has been extended in wet etching course
在電化學刻蝕過程中,需增加循環(huán)裝置。 - Moreover , the octahedron voids would change to shallow orbicular pits and vanished at last if the etching time was prolonged . our results were contrasted to the result that the fpds are interstitial type defects concluded by takeno et al and support the views that the fpds are vacancy - type defects
本次的實驗結果與takenold等人對fpds的研究結果大大相反,他們認為fpds的端部是一些間隙型的位錯環(huán),而本實驗的實驗結果卻支持了fpd缺陷屬空位型缺陷的觀點。 - This paper mainly aims at the strategic demands for large - aperture lightweight mirror proposed by high - tech development . its main research contents are : select material blank for lightweight mirror according to physical and chemical properties of optical glass ; analyze and calculate the deformation quantity of the mirror with finite element method ; design and optimize mirror body structure of 400 lightweight plane mirror and 450 lightweight spherical mirror , analyze glass cutting principle , design specisl - use grinding wheel structure , select reasonable technological parameters to implement the processing of weight reduction holes on 400 plane mirror ; analyze etching mechanism of hydrofluoric acid , look for the technological parameters such as the optimal acid concentration and etching time etc . ; eliminate the stress of weight reduction holes and micro - cracks on 400 lightweight plane mirror ; discuss the processing principle and
本論文的研究主要是瞄準國家高技術對大口徑輕型鏡的戰(zhàn)略需求而開展的。主要研究內容是:根據光學玻璃的物理與化學性能,選擇輕型鏡坯材料;用有限元法對鏡子的變形進行分析、計算,找出變形規(guī)律,優(yōu)化設計400mm輕型平面鏡、 450mm輕型球面鏡鏡體結構;分析玻璃切削原理,設計專用磨輪結構,選擇合理工藝技術參數,完成400mm平面鏡輕量化減重孔的加工;分析氫氟酸腐蝕光學玻璃機理,尋找最佳酸濃度、腐蝕作用時間等工藝參數,實現400mm平面鏡減重孔應力與微裂紋的消除;討論分離器加工原理和工藝技術特點,完成400mm平面輕型鏡面形加工。 - In this paper , the flow pattern defects ( fpds ) were revealed by secco etchant and their shape , distribution on wafer and tip structure were studied in details by optical microscope and atomic force microscope ( afm ) . the relationship between etching time and the tip structure of fpds was also discussed . furthermore , by studying the effect of rapid thermal annealing ( rta ) on the density of fpds in ar , the annihilation mechanism of fpds was discussed in this paper
本文將cz硅單晶片在secco腐蝕液中擇優(yōu)腐蝕后,用光學顯微鏡和原子力顯微鏡對流動圖形缺陷( flowpatterndefects , fpds )在硅片中的形態(tài)、分布及其端部的微觀結構進行了仔細地觀察和研究,并討論了腐蝕時間對fpds缺陷端部結構的影響;本文還通過研究ar氣氛下快速退火( rapidthermalannealing , rta )對fpds缺陷密度的影響,初步探討了fpds的消除機理。 - Theoretical analysis and experimental results show that the mentioned methods above can simplify the process condition , improve the etched effect , shorten the etching time and obtain more even etched surface . 2 ) laser - assisted wet sequencially - selective - etching method has been developed this method can be applied when the corrosion solution is mixed solvent
2 )提出了激光化學誘導液相次序選擇腐蝕法該方法適用于腐蝕液為混合溶劑的情況,例如, h2so4 - h2o2對gaas基片進行腐蝕時,先采用h2o2對基片進行氧化腐蝕處理,再利用h2so4進行激光化學腐蝕。 - It's difficult to find etching time in a sentence. 用etching time造句挺難的