Sharpened whiskers

Figure 11. Sharpening of a single-crystal silicon whisker tip (schematic drawing). This illustration shows, from left to right, the effect of progressive etching in HF.

Figure 12. Field emitting structures and point sources for electron microscope guns. Regular array of sharpened silicon whisker. Courtesy of Dr. E. I. Givargizov, Russian Academy of Sciences, Moscow.

Figure 13 Sharpened, diamond-coated silicon whisker. Product bulletin, Containerless Research Inc., Evanston, IL., with permission from Dr. P. C. Nordine, President.

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