Tuning of Superconducting Filters With Laser Ablation Technique

Tuning of Superconducting Filters With Laser Ablation Technique

Superconducting planar microwave filters manufactured without tuning functionality often do not rigorously agree with their specifications. This paper suggests a method for adjusting the center frequencies of microstrip superconducting filters without using tuning screws in the device packages. Trim...

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Veröffentlicht in:IEEE transactions on applied superconductivity 2009-10, Vol.19 (5), p.3715-3721
Hauptverfasser: Courreges, S., Thibon, C., Houndonougbo, F.A., Crunteanu, A., Madrangeas, V., Maignan, M.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Capacitors. Resistors. Filters
Circuit properties
Electric, optical and optoelectronic circuits
Electrical engineering. Electrical power engineering
Electromagnets
Electronics
Exact sciences and technology
Frequency
Frequency adjustment
Joining
Laser ablation
Laser tuning
Manufacturing
Masers
Microstrip filters
microstrip superconducting quasi-elliptic microwave filters
Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits
Microwave filters
Packages
Resonant frequencies
Resonator filters
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Specifications
Superconducting devices
Superconducting filters
Superconducting microwave devices
Superconductivity
Trimming
Tuning
Various equipment and components
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Beschreibung
Zusammenfassung:Superconducting planar microwave filters manufactured without tuning functionality often do not rigorously agree with their specifications. This paper suggests a method for adjusting the center frequencies of microstrip superconducting filters without using tuning screws in the device packages. Trimming with laser ablation is judiciously used to change the resonant frequencies of cross open-loop resonators and thus adjust the center frequencies of filters. A technique for adjusting the interresonator coupling is also proposed.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2009.2021574