Sy. Lee et al., Superconducting bandpass filter using parallel microstrip line with narrowbandwidth centered at 14 GHz, APPL SURF S, 154, 2000, pp. 478-481
We have designed and developed narrow bandpass filters using parallel super
conducting microstrip line for satellite communication. High quality superc
onducting YBa2Cu3O7-x (YBCO) thin films have been grown on MgO substrates b
y pulsed laser deposition (PLD). The deposited YBCO films were patterned by
conventional wet-etching process. The transition temperatures of these fil
ms were 86-89 K. The measured film thicknesses were about 500 nm. Three-pol
e and four-pole filters centered at 14 GHz with a bandwidth of 300 MHz were
designed and fabricated. (C) 2000 Elsevier Science B.V. All lights reserve
d.