Device for electron emission including device for providing work

Device for fixing a pyrolytic graphite grid onto the base of an

Device having thermionic cathode heated by field-emitted electro

Device including a tapered microminiature silicon structure

Diamond film with sharp field emission turn-on

Diamond/diamond-like carbon coated nanotube structures for...

Dielectric guide for electron beam transport

Direct electron injection field-emission display device

Direct heating cathode and a process for manufacturing same

Direct heating cathode and process for producing such

Direct heating cathode for high frequency thermionic tube

Direct heating type cathode structure

Direct-heated cathode structure

Directly heated cathode

Directly heated cathode for cathode ray tube

Directly heated cathode for electron tube

Directly heated cathode for electron tube

Directly heated cathode for electron tube

Directly heated cathode structure

Directly heated cathode structure