UNIVERSITATIS OULUENSIS ACTA C TECHNICA OULU 2011 C 398 Merja Teirikangas ADVANCED 0–3 CERAMIC POLYMER COMPOSITES FOR HIGH FREQUENCY APPLICATIONS UNIVERSITY OF OULU, FACULTY OF TECHNOLOGY, DEPARTMENT OF ELECTRICAL ENGINEERING, MICROELECTRONICS AND MATERIALS PHYSICS LABORATORIES; UNIVERSITY OF OULU, INFOTECH OULU C 398 ACTA Merja Teirikangas