Fluid sprinkling – spraying – and diffusing – Combining of separately supplied fluids
Reexamination Certificate
2011-05-10
2011-05-10
Hwu, Davis (Department: 3752)
Fluid sprinkling, spraying, and diffusing
Combining of separately supplied fluids
C239S290000, C239S291000
Reexamination Certificate
active
07938341
ABSTRACT:
A miniaturized aerosol jet, or an array of miniaturized aerosol jets for direct printing of various aerosolized materials. In the most commonly used embodiment, an aerosol stream is focused and deposited onto a planar or non-planar target, forming a pattern that is thermally or photochemically processed to achieve physical, optical, and/or electrical properties near that of the corresponding bulk material. The apparatus uses an aerosol jet deposition head to form an annularly propagating jet composed of an outer sheath flow and an inner aerosol-laden carrier flow. Miniaturization of the deposition head facilitates the fabrication and operation of arrayed deposition heads, enabling construction and operation of arrays of aerosol jets capable of independent motion and deposition. Arrayed aerosol jets provide an increased deposition rate, arrayed deposition, and multi-material deposition.
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King Bruce H.
Paulsen Jason A.
Renn Michael J.
Askenazy Philip D.
Hwu Davis
Optomec Design Company
Peacock & Myers, P.C.
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