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8 DESIGN007 MAGAZINE I MAY 2022 FLEX007 COLUMN Blue Skying it With Aluminum Rigid-Flex by Joe Fjelstad HIGHLIGHTS Flex007 FLEX007 SHORT KYOCERA Develops Transmissive Metasurface Technology MAY 2022 • CONTENTS Aluminum has been around for hundreds of years, and we may have only scratched the surface of its many uses. In this column, Joe Fjelstad explains how this inexpensive metal may hold the key to making solderless rigid-flex circuits a reality. Aluminum may once again prove to be more valuable than gold. This Month in Flex 80 88 86 FLEX 80