An enclosed needle catheter insertion device includes a catheter assembly and a need insertion device having a needle guard housing to enclose a needle in a shielded position and a needle support supporting the needle for movement between a ready position, with the tip of the needle exposed, to a shielded position with the needle within the needle guard housing. The database contains sets of data patterns used to overwrite the data on different physical media. Following the etching step to define the pillars, an epitaxial silicon film is grown on the substrate between the pillars prior to forming recesses in the substrate for the sourcedrain regions of the transistor.