Browse Prior Art Database

Multilayer Ceramic Substrates Containing Mullite

IP.com Disclosure Number: IPCOM000069334D
Original Publication Date: 1978-Apr-01
Included in the Prior Art Database: 2005-Feb-20

Publishing Venue

IBM

Related People

Authors:
Humenik, JN Kumar, AH Niklewski, JB Tummala, RR [+details]

Abstract

Multilayer ceramic substrates, formed of an alumina body with molybdenum metallurgy, have a tendency to crack around the via holes during fabrication or use due to stresses caused by the mismatch in the thermal expansivities of molybdenum and the alumina body.