Direct viewing storage tube having mesh halftone target and...

Direct-heated cathode electrodes for electron guns

Direct-viewing storage target for a cathode ray tube

Direct-wound, precision deflection yoke with adhesive coated...

Directional attenuator

Directional etching of cathode ray tube masks

Directly heated cathode

Directly heated oxide cathode

Dischage lamp arc tube having opposite hemispherical ends...

Discharge device

Discharge device and ignition system with series gap using...

Discharge device and method for generating near infrared...

Discharge device and plasma gas generating apparatus...

Discharge device having cathode with micro hollow array

Discharge device having cathode with micro hollow array

Discharge device having cathode with micro hollow array

Discharge device which utilizes a mixture of two fluorescent...

Discharge device with electrodes spaced by grains of...

Discharge display apparatus

Discharge electric lamp having barium and cesium interoxides...