A method of protecting a sensitive layer from harsh chemistries. In one embodiment, the device includes a compass for orienting the antenna at a desired azimuth setting. The shaft is tubular and has an upper end and a lower end.
Algorithmically generated prior art
A method of protecting a sensitive layer from harsh chemistries. In one embodiment, the device includes a compass for orienting the antenna at a desired azimuth setting. The shaft is tubular and has an upper end and a lower end.