Browse Publications Technical Papers 2002-01-1049
2002-03-04

Cofireable Dielectric on Steel Thick Film Materials System for Automotive Applications 2002-01-1049

Alumina substrates while widely used in the production of thick film hybrid circuits have limited use in thermally and mechanically demanding applications. Recent technological developments and availability of insulating dielectric compositions that can be processed on stainless steel has made stainless steel an attractive alternative to alumina. The use of stainless steel in the processing of hybrid circuits provides increased mechanical strength, improved resistance to thermal shock and reduced material costs. Sequentially fired and co-fireable dielectrics on steel have been developed that meet the electrical, thermal and mechanical demands necessary to use steel substrates in hybrid circuit applications while maintaining the benefits of existing thick film technology.

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