--Help!-- I am working on a design for an active antenna mounted external to jet aircraft. I am concerned about the CTE mismatch between ceramic and plastic components (including 2 16-pin SOICs) and FR-4 laminate. Can anyone suggest materials/vendors for this type of application? Thank you for any input, Jeffrey McGlaughlin BFGoodrich Avionics Systems Inc. 1105 Schrock Road Suite 800 Columbus Ohio 43229 (614)825-2232 (Voice) (614)825-2037 (Fax) [log in to unmask]