Wednesday, April 13, 2011

US Patent 7922965 - Slip casting nanoparticle powder for transparent ceramics

This patent is from Lawrence Livermore National Security LLC and teaches forming transparent ceramic components for lasers based on metal oxide nanopowder. Claim 1 reads:

1. A method of making a transparent ceramic, comprising the steps of:

providing nano-ceramic powders in a processed or unprocessed form,

mixing said powders with de-ionized water, said step of mixing said powders with de-ionized water producing a slurry,

sonifying said slurry to completely wet said powder and suspend said powder in said de-ionized water,

separating very fine particles from said slurry,

molding said slurry, and

curing said slurry to produce the transparent ceramic.