Emissive heat radiator with semi-cylindrical heat radiating memb

Explosion proof high pressure discharge lamp

Explosion proof lamp with liquid extinguishant

Explosion-protected high-pressure discharge lamp

Exposure arrangement for the production of masks

Exposure device for the manufacture of display screens of color

External ion injection apparatus for a cyclotron

Faceplate cooling system for display tube

Fast warm-up cathode for high power vacuum tubes

Feedback controlled storage tube devices

Field emission ion source having heated anode

Field emitter array

Field free, directly heated lanthanum boride cathode

Fill gas for miniature high pressure metal vapor arc lamp

Film duplicator

Filter adjustment system for use in electronic accelerators and

Fire detectors

Flat luminescence lamp and method for fabricating the same

Flat type low pressure gas discharge lamp

Flexible display device