نتایج جستجو برای: thermal chemical vapor deposition
تعداد نتایج: 673952 فیلتر نتایج به سال:
can be varied from perfectly isotropic to exactly straight. Also positive or negative tapering is po~s ib le .~ Various ways of fabricating channels in silicon are The basic approach for disyussed. Some new channels are presented: the constructing channels in GPSIC's and the LPCVD covered channels. Also some silicon is almost always attention is paid to the problem of making connections as depi...
This study focuses on the manufacture of carbon nanotubes using the arc discharge method. Several independent variables were changed, such as the current (80 and 100 A), an atmosphere of open air or argon and the catalyst (no catalyst, Fe or a mixture of Fe/Co,Ni). Only one set of parameters yielded MWNTs, involving Fe as the catalyst and an open air atmosphere. I. INTRODUCTION There has been i...
nanosized al2o3 powder is synthesized by thermal metal organic chemical vapor deposition (mocvd)combined withplasma. the effects of reaction temperature, pressure, al(ch3)3 (tma) concentration and reactant gases (co2 and o2) on the characteristics of the synthesized al2o3 powders are investigated. the experimental results demonstrate that very fineal2o3 powders with mean particle size of about ...
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