• George Oulundsen

    George Oulundsen is senior director and general manager at Coherent Corp.

    FIGURE 1. Cross-sections of CO laser-drilled vias in FR4 are shown. For the 9 µm copper, the pulse format was 1 kW peak power, 3 µs FWHM pulse, followed by four 550 W peak, 0.5 µs FWHM pulses. For the 3 µm copper, pulse format was 950 kW peak power, 2 µs FWHM pulse, followed by two 400 W peak, 0.4 µs FWHM pulses.
    Peter Rosenthal
    Nov. 20, 2019
    The carbon monoxide (CO) laser, operating at 5 to 6 µm, plays an important role in future applications in microelectronics manufacturing.
    FIGURE 1. SmartCleave cutting supports curves and cutouts.
    George Oulundsen
    July 1, 2019
    Filamentation and separation methods are emerging as important tools.
    FIGURE 1. Examples of Rayleigh, Brillouin, and Raman scattering peaks relative to the wavelength of the input light signal.
    George Oulundsen
    Jan. 16, 2015
    Distributed temperature sensing (DTS) is the most common use of optical fiber-based sensors in oil recovery; the fibers are highly specialized and must withstand the high-temperature...