Method for Preparing Very High Purity Silica for Use as a Filler
Original Publication Date: 1980-Apr-01
Included in the Prior Art Database: 2005-Feb-13
In the manufacture of integrated circuit chips it is frequently necessary to apply a passivating layer to the top of the chip to assure electrical integrity. One form which this layer takes is a film of polyimide resin which is applied and cured.