to distinguish one element component region layer or section from another element component region layer or section thus a first element component region layer or section discussed below could be termed a second element component region layer or section without departing from the teachings provided herein the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting as used herein the singular forms u201c a u201d u201c an u201d and u201c the u201d are intended to include the plural forms as well unless the context clearly indicates otherwise it will be further understood that the terms u201c includes u201d and or u201c comprising u201d or u201c includes u201d and or u201c including u201d when used in this specification specify the presence of stated features regions integers steps operations elements and or components but do not preclude the presence or addition of one or more other features regions integers steps operations elements components and or groups thereof furthermore relative terms such as u201c lower u201d or u201c bottom u201d and u201c upper u201d or u201c top u201d may be used herein to describe one element 39 s relationship to other elements as illustrated in the figures it will be understood that relative terms are intended to encompass different orientations of the device in addition to the orientation depicted in the figures for example if the device in one of the figures is turned.