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Heart Pacemaker Feeder Vacuum Brazing
A heart pacemaker is an electronic therapeutic device that is implanted in the patient’s body. A pacemaker ensures that the heart relaxes and contracts in accordance with the rhythm. The main function is to transport blood to the human brain and whole body through contraction and relaxation.
The feed-in device of the buried heart pacemaker, its structure is shown in the above figure, and the copper and pure titanium tubes are separated and sealed by ceramics. The material is Tai+Al2 O3 ceramics 95%, +T2. Before brazing, the following should be done Process: Metallize 95% of Al203 ceramics by Mo-Mn method, and then coat a layer of Ni or Cu; titanium tube TA1 is steam degreased first, and then pickled; 0.1mm thick BAg72Cu foil brazing The material is cut into a certain shape, and the BAg72Gu of φ0.8mm is made into a ring block in the form of a joint, and the assembled parts are pressed tightly with a ceramic backing plate, and put into the heating chamber of the vacuum furnace to prepare for brazing. Brazing process parameters: the cold vacuum is 10-3Pa, the needle welding temperature is 830C ± 5C, and the brazing holding time is 3min.
The unloaded version of the SIMUWU vacuum furnace is suitable for brazing of this process.
Temperature
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