predeposition diffusion

The diffusion was researched through analyzing characteristics of the pre-deposition process and the drive-in process.

结合预淀积和再分布两种条件下扩散的特点,采用两步法工艺制备了高浓度硼深扩散硅片,研究了影响杂质浓度和扩散深度的再分布与预淀积时间比。

Effect of boron pre-deposition on size distribution of self-assembled Ge islands fabricated by UHV/CVD;

硼预淀积对自组织生长Ge量子点尺寸分布的影响

The algorithm study for the dispersion area of Gaussian plume model;

高斯烟羽模型扩散面积的算法研究

The diffusional deposition of fine particles of finite diameter on the surface o f a droplet or a raindrop, with and without electrical charges, is estimated by employing thin concentration boundary layer theory.

结果表明 :存在静电效应时 ,有限直径小粒子在雾滴表面的扩散通量与两个无量纲参数有关 ;对于无外场作用时的点粒子情形 ,上述两种流型下的扩散沉积特征与粘性流结果亦不相