Method for making an ion thruster grid

Details Method for making an ion thruster grid Method for making an ion thruster grid

1995-06-05

1996-09-03

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

Electrode making

264 292, 264 295, F03H 100

Patent

active

055519040

ABSTRACT:
Carbon-carbon grids for ion optics sets are thermomechanically stable under the extreme temperature changes that are experienced in ion thrusters. Screen, accelerator and decelerator grids are thermomechanically stable, lightweight, and resistant to erosion from ion sputtering and have extended lifetimes over conventional molybdenum grids.

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Brophy, et al., "Ion Engine Endurance Testing At High Background Pressures," AIAA/SAE/ASME/ASEE 28th Jt Propulsion Conf. and Exhibit, Jul. 6-8, 1992, Nashville, TN, AIAA-92-3205 (20 pp.).
Garner, et al., "Fabrication and Testing of Carbon-Carbon Grids for Ion Optics," AIAA/SAE/ASME/ASEE, 28th Jt Propulsion Conf. and Exhibit, Jul. 6-8, 1992, Nashville, TN, AIAA-92-3149 (12pp.).
Garner, "Carbon-Carbon Grids for Ion Engines," JPL 19174, NPO-19174-1-CU, Jul. 6, 1993 [available from NTIS or NASA].

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