Skip to Content
Find More Like This
Return to Search

Lapping slurry

United States Patent

5,855,633
January 5, 1999
View the Complete Patent at the US Patent & Trademark Office
Y-12 National Security Complex - Visit the Technology Transfer Website
Improved lapping slurries provide for easier and more thorough cleaning of alumina workpieces, as well as inhibit corrosion of the lapping table and provide for easier cleaning of the lapping equipment. The unthickened lapping slurry comprises abrasive grains such as diamond abrasive dispersed in a carrier comprising water, glycerine, and triethanolamine. The thickened lapping slurry comprises abrasive grains such as diamond abrasive dispersed in a carrier comprising water, glycerine, triethanolamine, a water soluble silicate, and acid.
Simandl; Ronald F. (Farragut, TN), Upchurch; Victor S. (Powell, TN), Leitten; Michael E. (Frederick, MD)
Lockheed Martin Energy Systems, Inc. (Oak Ridge, TN)
08/ 870,572
June 6, 1997
The United States Government has rights in this invention pursuant to contract no. DEAC05-84OR21400 between the United States Department of Energy and Lockheed Martin Energy Systems, Inc.