JongKyu Park

We don’t have enough information about this author to calculate their statistics. If you think this is an error let us know.
Learn More
In this study, simple ultrasonic motor of plate type stator was proposed. Stator of the proposed ultrasonic motor was composed of an elastic plate and ceramics. The elastic plate has one tip in the middle. The two ceramics were attached on the side surfaces of the elastic plate. The both polarization directions were directed to the upward outside(More)
Mineral scale deposits that formed on tubing inserted into Dixie Valley production well 28-33 were sampled at 44 intervals from inside the well head to 1227 ms depth. The scale minerals formed concentric bands around the tubing. X-ray diffractometry and scanning electron microscopy indicate that they consist predominatedly of calcite and aragonite and minor(More)
  • 1