Microwave applications of high-temperature superconductor devices

Three topics are reviewed for microwave application of high-temperature superconductor (HTS) devices; measurement method of surface resistance Rs of high-temperature superconductor films and bulks, phenomenological explanation of Rs by three fluid model, and microwave HTS filters of various types. Microwave applications of high-temperature superconductor devices Yoshio Kobayashi Saitama University, Urawa, Saitama 338, Japan. Summary Three topics are reviewed for microwave application of high-temperature superconductor (HTS) devices; measurement method of surface resistance Rs of high-temperature superconductor films and bulks, phenomenological explanation of Rs by three fluid model, and microwave HTS filters of various types.