YBa2Cu3O7-x superconducting microstrip filters on dielectric substrate

Kwang-Yong Kang; Sang Yeol Lee; Chulshik Sik Yoon; Gun Yong Sung; Jeong Dae Suh; El-Hang Lee; Dal Ahn; Sang-Soo Lee

doi:10.1117/12.166155

4 January 1994 YBa₂Cu₃O_7-x superconducting microstrip filters on dielectric substrate

Kwang-Yong Kang, Sang Yeol Lee, Chulshik Sik Yoon, Gun Yong Sung, Jeong Dae Suh, El-Hang Lee, Dal Ahn, Sang-Soo Lee

Proceedings Volume 2156, High Tc Microwave Superconductors and Applications; (1994) https://doi.org/10.1117/12.166155
Event: OE/LASE '94, 1994, Los Angeles, CA, United States

Abstract

The microstrip filters, such as multipole lowpass filter and multipole bandpass filter, have been designed, fabricated, and characterized. The YBa₂Cu₃O_7-(delta ) (YBCO) epitaxial thin films on MgO substrates were grown in situ at 760 degree(s)C by pulsed laser deposition. The design of filters in a microstrip configuration and their microwave responses were simulated by microwave design simulator, respectively. The filter patterns on the laser ablated YBCO/MgO film were generated using conventional photolithography and ECR-etching process. The performance of filters was measured as a function of temperature and frequency. Microwave loss properties were superior for the filters patterned from HTS films to the filters fabricated from Au-metal films of the same dimensions.

Citation Download Citation

Kwang-Yong Kang, Sang Yeol Lee, Chulshik Sik Yoon, Gun Yong Sung, Jeong Dae Suh, El-Hang Lee, Dal Ahn, and Sang-Soo Lee "YBa₂Cu₃O_7-x superconducting microstrip filters on dielectric substrate", Proc. SPIE 2156, High Tc Microwave Superconductors and Applications, (4 January 1994); https://doi.org/10.1117/12.166155

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