| 摘要 |
Open-ground transmission line circuits comprise at least one dielectric substrate having at least one conducting line and a conducting ground plate deposited on opposite sides thereof; the ground plate having an opening therein at a location directly opposite each conducting line, wherein the conducting line and the conducting ground plate preferably comprise high temperature superconductors with a critical temperature greater than 90 DEG K and selected from YBa2Cu3O7->, Tl2Ba2CaCu2O8 and (Tl,Pb)Sr2Ca2Cu3O9; and wherein at least one connecting link traverses each opening in the ground plate and the opening has a broader width in the area of the connecting link to compensate for discontinuity caused by the connecting link.
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