JPH05235425

PURPOSE:To provide a superconducting photodetecting device which has low noise and high sensitivity even in a low frequency band by using an oxide superconductor polycrystalline thin film. CONSTITUTION:A superconducting photodetecting device 10 for detecting a variation in a gap voltage or a DC Jose...

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Bibliographische Detailangaben
Hauptverfasser:	KARIMOTO SHINICHI, TANABE KEIICHI, ENOMOTO YOICHI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:	PURPOSE:To provide a superconducting photodetecting device which has low noise and high sensitivity even in a low frequency band by using an oxide superconductor polycrystalline thin film. CONSTITUTION:A superconducting photodetecting device 10 for detecting a variation in a gap voltage or a DC Josephson current value of a Josephson junction by irradiating with a light is formed of a Josephson junction formed in a crystalline grain boundary between a Ba1-xMxBiO3 (M=K, Rb:0.35