Digital X-ray pictures-taking diagnosis device and the encapsulation method thereof

Abstract

The invention provides a digital X-ray photographic diagnostic device and an enclosing method, wherein, the digital X-ray photographic diagnostic device comprises a cavity for containing a charge-coupled device and a lens, a containing space kept between the cavity and the lens, two sealing loops connected and arranged in the containing space, and a colloid layer arranged between the two sealing loops. The enclosing method of the digital X-ray photographic diagnostic device is that the charge-coupled device is positioned and regulated at first, the colloid is injected between the two sealing loops to fix the charge-coupled device, therefore, the conjugate match of 10 micrometres of the charge-coupled device and the flash plated comprised by the digital X-ray photographic diagnostic device is achieved.

Description

technical field [0001] The utility model of the invention relates to an X-ray photographic diagnostic device and a packaging method thereof, in particular to a digital X-ray photographic diagnostic device and a packaging method thereof. Background technique [0002] Although the Digital X Radiographic diagnostic system (Digital X Radiographic, DR) is currently the most advanced digital X-ray diagnostic system in the world, its working principle is that when the X-ray source emits The X-rays irradiated by the object under inspection on the scintillation plate will cause the scintillation plate to produce fluorescence, and the distribution of the fluorescent light intensity on the surface of the scintillation plate will reflect the internal characteristics of the object under inspection. The fluorescence of the internal characteristics of the object is sent to the photosensitive surface of the charge coupled device (CCD), and the charge coupled device converts the received flu...

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Problems solved by technology

[0003] However, since the aperture of the scintillation plate is 43 × 43 centimeters, the aperture of the charge-coupled device is 40 × 40 millimeters, and the ratio of the focal length of the lens to the aperture is generally set at 1: 1.2, like this, in order to make the scintillation plate produce Fluorescence can fully enter the lens for charge-coupled devices to generate clear digital images. In digital X-ray imaging diagnostic systems, there are strict requirements for the positions of charge-coupled devices, lenses and scintillation plates, that is, charge-coupled devices are generally required The conjugate matching with the scintillation plate must reach the order of 10 microns, which is an extremely difficult technical problem in the current technical field

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