Fabrication system, method and apparatus for microelectromechani

Electric lamp and discharge devices – With luminescent solid or liquid material – Vacuum-type tube

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216 2, 445 24, H01J9/24

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active

059030992

ABSTRACT:
A fabrication system and method of fabrication for producing microelectromechanical devices such as field-effect displays using thin-film technology. A spacer is carried at its proximal end on the surface of a substrate having field-effect emitters with the spacer being enabled for tilting movement from a nested position to a deployed position which is orthogonal to the plane of the substrate. An actuator is formed with one end connected with the substrate and another end connected with spacer. The actuator is made of a shape memory alloy material which contracts when heated through the material's phase-change transition temperature. Contraction of the actuator exerts a pulling force on the spacer which is tilted to the deployed position. A plurality of the spacers are distributed over the area of the display. A glass plate having a phosphor-coated surface is fitted over the distal ends of the deployed spacer.

REFERENCES:
patent: 5061914 (1991-10-01), Busch et al.
patent: 5734224 (1998-03-01), Tagawa et al.
patent: 5795206 (1998-08-01), Cathey et al.

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