A semiconductor device includes a semiconductor fin formed on an insulator and sidewall spacers formed adjacent the sides of the fin. It solves the problem in current toner processing technique of inadequate electrification, unequal quantity of electricity, spreading and bottom ash. 0 and which may be used in the treatment of cancer and other diseases. The first feature and the second feature are spaced apart by a first length. A plurality of IIR filters and FIR filters maybe performed to approximate a Gaussian filter. , the average proportion of styrene monomers to the sum total of the styrene monomers, hydrocarbon solvent and styrenic polymers present in the reactor tank R1 being controlled to less than 10 wt.