| 释义 |
hot-filament ionization gage hot-filament ionization gage[′hät ¦fil·ə·mənt ‚ī·ə·nə′zā·shən ‚gāj] (electronics) An ionization gage in which electrons emitted by an incandescent filament, and attracted toward a positively charged grid electrode, collide with gas molecules to produce ions which are then attracted to a negatively charged electrode; the ion current is a measure of the number of gas molecules. |