dioxide silicon precipitated silica film water Prior art date 1995-07-26 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Granted Application number CN96109937A Other languages Chinese (zh) Other versions
The microwave chemical material dryer is a continuous heater that not only can help save energy, but also can complete several processes in one time. It has a wide application for the dehydration, extraction, decomposition, and catalyzing of powdery, muddy, granular, or crystal materials. Thermal growth and chemical etching of silicon dioxide Title THERMAL GROWTH AND CHEMICAL ETCHING OF SILICON DIOXIDE F Abstract approved Major professor) Some important factors that affect the dimensional control of oxide films on silicon were studied. Both N- and P -type silicon with resistivities in the range of 0.014 to 200 ohm -cm and a (111) surface orientation were employed in this experiment.
A method for making a silicon dioxide coating on a surface of a substrate such as, for example, an alkali metal-containing glass sheet by dipping the substrate in a treatment liquid obtained by adding boric acid to an aqueous silicon dioxide-saturated solution of hydrosilicofluoric acid. Microwave Chemical Power Drying Machine for Silicon Continuous type microwave chemical materials drying equipment is also suit for:rubber additives, rubber vulcanization, catalyst, molybdenum powder, molybdenum powder, etc. 3. Vacuum type microwave chemical materials drying machine is mainly used for extraction, drying, carbonization, distillation, redox reaction of chemical
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