MEMS Ultra Miniature Pure Silicon Clock Oscillator ABRACON MEMS Ultra Miniature Pure Silicon™ Clock Oscillators series ASEM and ASFLM feature Discera PureSilicon Resonator™ Technology. This low-profile, low-power-consumption device is an alternative to a traditional quartz-based oscillator. ABRACON MEMS Ultra Miniature Pure Silicon Clock Oscillators applications include electronics timing applications, CCD clocks for VTR cameras, portable electronics, PCs and their peripherals, TVs, DVRs, harsh industrial environments, military and automotive.