| 摘要 |
<p>The emitter for ion propulsion comprises: - two mutually coupled semi-emitters (3, 5), made of optical material, each of which presents a respective sharpened end; the two ends (3D, 5D) form a tip in correspondence of which there is a recess (15) for the diffusion of a propellant, obtained between said two semi-emitters; and - an adduction conduit (17) for adduction of the propellant to the recess (15).</p> |
