Cornelius J Mccormick, 871900 Lauderdale Dr UNIT CH412, Richmond, VA 23238
Cornelius Mccormick Phones & Addresses
Henrico, VA
Hockessin, DE
Raleigh, NC
Richmond, VA
10700 Dunhill Ter, Raleigh, NC 27615
Work
Position:
Retired
Education
Degree:
Graduate or professional degree
Mentions for Cornelius J Mccormick
Publications & IP owners
Us Patents
Dielectric Composition
US Patent:
4849379, Jul 18, 1989
Filed:
Jan 28, 1988
Appl. No.:
7/149507
Inventors:
Cornelius J. McCormick - Hockessin DE
Assignee:
E. I. Du Pont de Nemours and Company - Wilmington DE
International Classification:
C03C 816
US Classification:
501 20
Abstract:
A composition for making low K dielectric layers which is an admixture of finely divided solids consisting essentially of (a) lead-free amorphous borosilicate glass containing Al. sub. 2 O. sub. 3, a mixture of oxides of alkali metals, alkaline earth metals or mixtures thereof containing Li. sub. 2 O and (b) an inorganic filler selected from quartz and mixtures of quartz with 0. 5-5% wt. inert oxides having a TCE equal to or greater than 7.
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