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The small angle diffraction attachment is a specialized component used in X-ray diffraction instruments, mainly for the analysis of the structure and thickness of nanoscale materials. 1. Core functions of small angle diffraction attachments (1) Diffraction angle range: covering a small angle range of 0 ° -5 °, suitable for diffraction analysis of nanoscale materials. (2) Main application: It can accurately test the thickness of nano multilayer films and support the study of material surface or interface structure. 2. Compatible devices for small angle diffraction attachments This attachment is usually used in conjunction with X-ray diffractometers (such as TD-3500, TD-3700, TDM-20, etc.). 3. Application scenarios of small angle diffraction attachments (1) Materials Science: Characterization of Nanofilm and Multilayer Film Structures. (2) Chemistry and Chemical Engineering: Surface Treatment of Materials, Testing of Coating Thickness. (3) Other fields: Nanoscale analysis of materials such as geology, minerals, ceramics, and pharmaceuticals. 4. Manufacturer information Dandong Tongda Technology Co., Ltd. is the main manufacturer of this type of accessory, and its TD series analytical instruments have been mentioned as approaching or reaching international standards, and exported to countries such as the United States and Azerbaijan. In general, small angle diffraction attachments are key tools for nanomaterial analysis and thin film thickness measurement, and need to be used in conjunction with specialized X-ray diffraction instruments. Their application scenarios are concentrated in cutting-edge fields such as materials science and chemical engineering.