The patent or application file contains drawings executed in color. Copies of this patent or patent application publication with color drawings will be provided by the Office upon request and payment of the necessary fees.
The portion shown in black indicates the color black. The portion shown in white, i.e., the thin oval portion surrounding the center top window in
The center top window inside the thin white portion in
The electrodes are shaded to indicate contour.
The thin white portion is substantially planar and flush with the surrounding black body portion. The center top window is substantially planar and flush with the surrounding thin white portion and black body portion.