The Spin-Coating Process: Analysis of the Free Boundary Value Problem
The Spin-Coating Process: Analysis of the Free Boundary Value Problem
复制标题
旋涂过程:自由边值问题的分析
DOI:
10.1080/03605302.2010.546469
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发表时间:
2011
影响因子:
1.9
通讯作者:
O. Sawada
中科院分区:
文献类型:
--
作者:
R. Denk;M. Geissert;M. Hieber;J. Saal;O. Sawada
In this paper, an accurate model of the spin-coating process is presented and investigated from the analytical point of view. More precisely, the spin-coating process is being described as a one-phase free boundary value problem for Newtonian fluids subject to surface tension and rotational effects. It is proved that forT> 0 there exists a unique, strong solution to this problem in (0,T) belonging to a certain regularity class provided the data and the speed of rotation are small enough in suitable norms. The strategy of the proof is based on a transformation of the free boundary value problem to a quasilinear evolution equation on a fixed domain. The keypoint for solving the latter equation is the so-called maximal regularity approach. In order to pursue in this direction one needs to determine the precise regularity classes for the associated inhomogeneous linearized equations. This is being achieved by applying the Newton polygon method to the boundary symbol.
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