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Uranium glass used as lead-in seals in a vacuum capacitor. Glass-to-metal seals are a type of mechanical seal which joins glass and metal surfaces. They are very important elements in the construction of vacuum tubes, electric discharge tubes, incandescent light bulbs, glass-encapsulated semiconductor diodes, reed switches, glass windows in metal cases, and metal or ceramic packages of ...
In many compounds, metal-metal bonds are accompanied by bridging ligands.In those cases, it is difficult to state unequivocably that the metal-metal bond is the cohesive force binding the two metals together.