At 3M, we discover and innovate in nearly every industry to help solve problems around the world.
Cathodes & Electron Guns
Fuel Cell & Battery Components
3M™ Space Qualified Dispenser Cathodes
3M™ Tungsten Dispenser Cathodes
3M™ Hollow Cathodes
3M™ Controlled Porosity Reservoir Cathodes
3M™ Electron Guns