Integrated optical blocking filter for compact X-ray imaging detector
AssigneeMassachusetts Institute of Technology
InventorsKevin K. Ryu, Peter W. O'Brien, Marshall W. Bautz, Vyshnavi Suntharalingam
Life of this patent
Estimating the term…
Abstract
An x-ray imaging device can include an x-ray detector and an optical-blocking filter. The x-ray detector has an entrance-window surface for receiving x-rays, at least one side surface, and a back surface facing in an opposite direction from the entrance-window surface. The optical-blocking filter is deposited on and fully covers at least the entrance-window surface and the side surface of the x-ray detector, wherein the optical-blocking filter blocks visible, ultraviolet, and near-infrared light.
Claims20
An x-ray imaging device, comprising:
- an x-ray detector having an entrance-window surface for receiving x-rays, at least one side surface, and a back surface facing in an opposite direction from the entrance-window surface;
- and
- an optical-blocking filter deposited on and fully covering at least the entrance-window surface and the side surface of the x-ray detector, wherein the optical-blocking filter blocks visible, ultraviolet, and near-infrared light.
A method for fabricating an x-ray imaging device, comprising:
- providing an x-ray detector having an entrance-window surface for receiving x-rays, at least one side surface, and a back surface facing in an opposite direction from the entrance-window surface;
- and
- depositing an optical-blocking composition to produce a coating of an optical-blocking filter on and fully covering at least the entrance-window surface and the side surface of the x-ray detector, wherein the optical-blocking filter blocks visible and ultraviolet light.
A method for portable x-ray detection, comprising:
- providing an x-ray imaging device, comprising an x-ray detector having an entrance-window surface for receiving x-rays, at least one side surface, and a back surface facing in an opposite direction from the entrance-window surface;
- and an optical-blocking filter deposited on and fully covering at least the entrance-window surface and the side surface of the x-ray detector;
- transporting the x-ray imaging device to a remote site for x-ray detection;
- then
- detecting x-rays received at the entrance-window surface of the x-ray imaging device at the remote site while blocking interference from background visible and ultraviolet light with the optical-blocking filter;
- and then
- further transporting the x-ray imaging device after the detection of x-rays.
Dependencies are inferred from the claim text.