A structure (122-10) comprising: a first conductor (122-31) that extends in a second direction; a second conductor (122-32) that faces the first conductor in a first direction and that extends along the second direction; a third conductor (122-40) that extends along a first plane, and that is configured to capacitively connect the first conductor (122-31) and the second conductor (122-32); and a fourth conductor (122-50) that is configured to be electrically connected to the first conductor (122-31) and the second conductor (122-32), and that extends parallel to the first plane, wherein the first, second and third directions are perpendicular to each other, and the first plane is a plane parallel to the first and third directions, and wherein each of the first conductor (122-31) and the second conductor (122-32) includes a portion that extends along the second direction and that is exposed to an exterior space, the structure (122-10) further comprising a dielectric body (122-20) that is configured to support the first conductor (122-31), the second conductor (122-32), the third conductor (122-40), and the fourth conductor (122-50), characterized in that the dielectric body (122-20) has a recess that extends in the second direction and that is recessed toward a center of the dielectric body (122-20) in the first direction, and the first conductor (122-31) and the second conductor (122-32) expand along the recess, and in that the dielectric body (122-20) includes a fiber component that partially comes in contact with the first conductor (122-31) or the second conductor (122-32), and of the first conductor (122-31) or the second conductor (122-32), a portion coming in contact with the fiber component is more protruded than a surrounding portion thereof. a first conductor (122-31) that extends in a second direction; a second conductor (122-32) that faces the first conductor in a first direction and that extends along the second direction; a third conductor (122-40) that extends along a first plane, and that is configured to capacitively connect the first conductor (122-31) and the second conductor (122-32); and a fourth conductor (122-50) that is configured to be electrically connected to the first conductor (122-31) and the second conductor (122-32), and that extends parallel to the first plane, wherein the first, second and third directions are perpendicular to each other, and the first plane is a plane parallel to the first and third directions, and wherein each of the first conductor (122-31) and the second conductor (122-32) includes a portion that extends along the second direction and that is exposed to an exterior space, the structure (122-10) further comprising a dielectric body (122-20) that is configured to support the first conductor (122-31), the second conductor (122-32), the third conductor (122-40), and the fourth conductor (122-50), characterized in that the dielectric body (122-20) has a recess that extends in the second direction and that is recessed toward a center of the dielectric body (122-20) in the first direction, and the first conductor (122-31) and the second conductor (122-32) expand along the recess, and in that the dielectric body (122-20) includes a fiber component that partially comes in contact with the first conductor (122-31) or the second conductor (122-32), and of the first conductor (122-31) or the second conductor (122-32), a portion coming in contact with the fiber component is more protruded than a surrounding portion thereof. <EOS>