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US 7,732,780 B2Granted
Combined cold plate and radiation shield
AssigneeDigirad Corporation
InventorJoel Kindem
Life of this patent
Estimating the term…
Abstract
A combined cold plate for RF shield is optimized both for cooling a device and also for shielding it against RF. One embodiment uses a two-part material so that it has improved thermal characteristics from one part and RF shielding characteristics from another part.
Claims25
A shield for a high energy photon detector, comprising:
- a first shield part, in contact with a high energy photon detector, and carrying out both radiation shielding and electrical cooling;
- said first shield part including a cooling part, in contact with said detector and formed of a material that is optimized for heat transfer, said first part being only in a first location;
- and at least one second shield part, carrying out radiation shielding, in a different location than said first shield part, said second shield part in a location that shields said detector against radiation, said second shield part having a material that is optimized for radiation shielding characteristics,
- said first and second shield parts formed of different materials and wherein there is at least one location that is covered only by said first shield part in said first location and is not covered by said second shield part.
1 more element
A camera system, comprising:
- detector electronics, optimized for detecting incoming high energy photons;
- a cooling part and radiation shield, coupled to said detector electronics, wherein the same structure carries out both cooling and radiation shielding, said cooling part and radiation shield including a cold plate which is actively cooled and is formed of a first material optimized for heat conduction;
- a second shield part, surrounding a perimeter of said detector electronics;
- and formed of a material optimized for a radiation shield and different than said first material;
- and a third shield part, which shields at least another portion of said detector electronics, and allows only certain portions of radiation to pass therethrough, the portions of radiation which passed therethrough being sent to said detector electronics,
- said first and second materials being different materials and wherein there is at least one location that is covered only by said first material and not by said second material.
3 more elements
A method of obtaining a medical image, comprising:
- using the same structure to both shield against radiation using a first part that is formed of radiation shield material and having a second part that is formed of thermal transfer material to actively cool a detector element of a gamma ray camera, said first and second parts formed of different materials;
- and using said detector element to detect gamma rays.
Dependencies are inferred from the claim text.