Marger, Johnson & McCollom, P.C.
Method of forming silicon containing thin films by atomic layer deposition utilizing trisdimethylaminosilane
An atomic layer deposition method of forming a solid thin film layer containing silicon. A substrate is loaded into a chamber. A first portion of a first reactant is chemisorbed onto the substrate, and a second portion of the first reactant is physisorbed onto the substrate. The physisorbed portion is purged from the substrate and the chamber. A second reactant is injected into the chamber. A first portion is chemically reacted with the chemisorbed first reactant to form a silicon-containing solid on the substrate. The first reactant is preferably Si[N(CH3)2]4, SiH[N(CH3)2]3, SiH2[N(CH3)2]2 or SiH3[N(CH3)2]. The second reactant is preferably activated NH3.
Samsung Electronics Co., Ltd.
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Seung-Hwan Yeong-Kwan Young-Wook
Lee Kim Park