Published jointly with the Japan Printed Circuit Association, this document gives an easy to follow tutorial on the selection of HDI and microvia design structures and rules. Users are taken through various considerations to be addressed when designing and HDI printed writing board, including: selection of materials, design examples and processes, various microvia technologies and general descriptions. An industry publication (the 1st) offers manufacturers and designers one source of reliable manufacturability and design information for commonly produced HDI boards. Includes over 30 full color illustrations to assist the user.