A photocopolymerizable composition for backsealing a ceramic carrier and process for using the composition is disclosed. The composition comprises: a liquid, multifunctional, bisphenol based epoxy; a liquid, multifunctional hydroxyl containing organic material; a complex onium salt photoinitiator; and,...http://www.google.com.au/patents/US5547713?utm_source=gb-gplus-sharePatent US5547713 - Dual cure epoxy backseal formulation
