Self-shielded electron tube
Semiconductive electron multiplier
Semiconductor camera tube target
Semiconductor cathode with avalanche breakdown pn junction
Semiconductor cathode with increased stability
Semiconductor device for emitting highly spin-polarized...
Semiconductor device for generating an electron beam
Semiconductor device for generating an electron beam
Semiconductor device for producing an electron beam
Semiconductor etching apparatus with magnetic array and...
Semiconductor heterojunction television imaging tube
Sensitivity control for mass spectrometer
Separable fastener
Sepp-based deflection control circuit
Series multiple break vacuum arc discharge devices
Set of deflection coils
Sextupole system for the correction of spherical aberration
Shadow mask
Shadow mask
Shadow mask