Currently there are three options commonly used: This article refers to the address: http:// film Image enhancer Flat panel display 1, film Needless to say, this is a very mature technology for many years, but the film storage and management of shooting is a problem. In medicine, the patient's film data needs to be borrowed, and it may be several times a day. Searching, recording, querying, and borrowing management in many films wastes a lot of manpower. Therefore, with the development of digital ray detection technology, film will gradually be replaced, and there is not much use of film for testing. 2, image enhancer There are still many applications in the industry at present, and the detection speed is very fast. In my impression, it seems that the baggage safety check of the train waiting room is using this. I don't know if I remember correctly. But there are many disadvantages, such as poor resolution and contrast. If you need to do a fine test, it will inevitably lose the speed of detection. This technology is currently used more and is very mature. 3, amorphous silicon or amorphous selenium flat panel detector The detection is fine, but the speed is slow, it is not suitable for pipeline detection, and the equipment is expensive. But this is a technology with development potential and one of the new digital ray detection technologies of the 1990s. In addition, the difference between amorphous silicon and amorphous selenium is only in the imaging speed and contrast. The latter may be more expensive. The manufacturers that can produce flat panel detectors are as follows: 1. Agfa: The company offers 11 x 16-inch silicon plates with 12 bits (4096 gray scale) and an accuracy of 127 μm. Agfa also assembled Hologic's 14 x 17-inch selenium plates. Both boards are capable of meeting site temperature requirements. 2, GE: At present, GE provides 4 kinds of digital silicon plates, the size of the plate from 63 to 256 square inches, can be operated in static mode, or can operate at 30 frames per second, all 4 boards are 14 bits ( 16000 grayscale) contrast, spatial resolution up to 9 line pairs / mm (55μm), no geometric magnification. 3, Hologic Inc: the company's 14 × 17-inch selenium plate, accuracy of 3.6 line pairs / mm (139μm), 14 (16000 gray), Hologic also sells 7.2 line / mm (70 μm) flat . 4. PerkinElmer: The company's highest precision flat panel is 16 x 16 inches with an accuracy of 200 μm. Its 8 x 8 inch panel has an accuracy of 400 μm and an acquisition speed of 7 frames per second with a maximum acceptance of 25 MeV. All products have a contrast ratio of 16 bits or 65,000 grayscale. 5. Varian Medical Systems Security & Inspection Products: The company's 12 x 16 inch silicon plate with an accuracy of 3.97 line pairs/mm (126 μm). In high-speed mode, the acquisition speed is 30 frames/sec with an accuracy of 1.29 line pairs/mm (388μm). Varian also sells high-energy plates with an energy of up to 9 MeV, which makes it possible to detect thicknesses below 27 inches. Aluminum castings. The contrast of its products is 12-bit or 4096 grayscale, and there are also 65,000 grayscale versions. Usb C Cable is also known as Usb Cable Type C interface,is an interface specification consisting of a Type-C plug and a type-C socket.Its highlights are thinner design,faster transmission speed (up to 10Gbps),stronger power transmission (up to 100W).In addition, USB-C interface also supports double-sided insertion,front and back can be inserted at will, compared with USB2.0/USB3.0 more advanced.Usb-c has been given better media properties,faster transfer speeds,and better compatibility with charging.The new generation USB-C has faster transmission speed than USB,stronger power transmission, smaller interface size,and supports bidirectional transmission with stronger compatibility.
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