Superconducting magnetic resonance probe coil
First Claim
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1. A broadband matching network for coupling a magnetic resonance probe coil to a preamplifier, comprising:
- at least one matching coil having an inductive element and a capacitive element, said inductive element and said capacitive element both made of superconducting material,said matching coil being inductively coupled to said magnetic resonance probe coil andsaid matching coil being inductively coupled to said preamplifier.
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Abstract
A broadband matching network for coupling a magnetic resonance probe to a preamplifier utilizes superconducting matching coils and superconducting locatable shields to detect very weak magnetic signals over a broad bandwidth. The superconducting matching coils and shields minimize signal loss in the matching amplifier. When used with a superconducting magnetic resonance probe, the circuit provides a significant broadening in bandwidth over that of the probe without loss of performance.
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Citations
23 Claims
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1. A broadband matching network for coupling a magnetic resonance probe coil to a preamplifier, comprising:
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at least one matching coil having an inductive element and a capacitive element, said inductive element and said capacitive element both made of superconducting material, said matching coil being inductively coupled to said magnetic resonance probe coil and said matching coil being inductively coupled to said preamplifier. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A broadband matching network for coupling a magnetic resonance probe coil to a preamplifier, comprising:
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a probe coupling loop directly connected to said magnetic resonance probe coil, a first matching coil and a last matching coil, each coil having an inductive element and a capacitive element, said inductive element and said capacitive element both made of superconducting material, an output coil for inductively coupling said matching coil to said preamplifier, said probe coupling loop being inductively coupled to said first matching coil, said first matching coil being inductively coupled to said last matching coil, and said last matching coil being inductively coupled to said output coil, and said output coil directly coupled to said preamplifier. - View Dependent Claims (22, 23)
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Specification