Semiconductor device manufacturing: process – Coating of substrate containing semiconductor region or of...
Patent
1997-10-24
2000-04-25
Bowers, Charles
Semiconductor device manufacturing: process
Coating of substrate containing semiconductor region or of...
438 20, 438780, 438942, 438 22, 313309, 313311, 445 50, 118300, H01L 21205
Patent
active
060543957
ABSTRACT:
A method for forming semiconductor devices involves nebulizing a liquid suspension of particles to form tiny droplets of particles and liquid which are well separated from one another. The nebulized droplets may correspond roughly to the average particle size which may be, for example, about one to two microns. The particles in droplet form then form a vaporous dispersion which can be dried to remove the liquid. The particles may be biased so as to repel one another to further form a well defined separation between adjacent particles. The particles may then be collected on a substrate so that a random distribution of masking particles are formed. The randomly distributed particles may be used as a mask for defining features in a semiconductor structure. The mask may be utilized, for example, to define emitters in a field emission display or spacers in a liquid crystal display.
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Bowers Charles
Micro)n Technology, Inc.
Rocchegiani Renzo N.
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