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Vacuum meter leak detection method The readings of some vacuum gauges are related to the types of gases, such as thermocouples and ionization vacuum gauges. Choosing appropriate gas or liquid as leakage material, these China Plasma Coating Machine suppliersvacuum gauges become detectors. Generally, there are vacuum gauges on the coating machine, which are very convenient to use and also a commonly used method of leak detection. Leakage indicators used in thermocouples include carbon dioxide, but... read more
Vacuum Mud Sealing Detection Method Vacuum mud will be sealed one by one suspicious leak point, pay attention to the change of vacuum degree. If the vacuum degreeHard film vacuum coating machine Suppliers of pasted vacuum mud increases rapidly, removal has a significant decline, indicating that this is a leak point. This method is seldom used in practical application. read more
Leak detection by helium mass spectrometry This technology is an indispensable technology in the field of vacuum leak detection. It is widely used in leak detection because of its high leak detection efficiency, easy operation, sensitive instrument response, high precision and not China PVD Coating Systems supplierseasily interfered by other gases. Helium mass spectrometer leak detector is a kind of gas tightness detection instrument based on mass spectrometry principle, which uses helium as lea... read more
Common methods of PVD Technology Arc ion plating The cathodic arc technology is used to deposit thin film materials by ionizing the target material into ionic state under vacuum conditions with low voltage and high current. The material has higher ionization rate and better film performance.China Plasma Coating Machine suppliers read more
Common methods of PVD Technology RF (radio frequency) sputtering The frequency of RF sputtering is about 13.56 MHz. It does not need hot cathode and can sputter at lower pressure and voltage. RF sputtering can depositChina PVD Coating Systems suppliers not only metal films, but also insulating dielectric films of various materials, so it has a wide range of applications. read more
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