Patent ID: 9728367
Date: 2017-08-08
CPC Classifications: H01J,H05G

Claim:
1. A digital X-ray source comprising an X-ray generation unit that emits X-rays, wherein the X-ray generation unit comprises: a cathode electrode; an emitter formed above the cathode electrode; an anode electrode located above the emitter; a gate electrode located between the emitter and the anode electrode; first and second focusing electrodes located between the emitter and the anode electrode; at least one first insulating tube tightly fitted into the cathode electrode such that a corresponding electric line passing through the first insulating tube is insulated from the cathode electrode by the first insulating tube; at least one second insulating tube tightly fitted into the electrode such that a corresponding electric line passing through the second insulating tube is insulated from the gate electrode by the second insulating tube; at least one third insulating tube tightly fitted into the first focusing electrode such that a corresponding electric line passing through the third insulating tube is insulated from the first focusing electrode by the third insulating tube; and at least one fourth insulating tube tightly fitted into the second focusing electrode such that a corresponding electric line passing through the fourth insulating tube is insulated from the second focusing electrode by the fourth insulating tube.