silicon-sealed
adj.— «Poland also wants to make sure that the charter of fundamental rights, which guarantees the right to strike among other measures, cannot apply in domestic courts. This is an opt-out already secured by the UK. Some in Brussels have questioned its legality but David Miliband, the British foreign secretary, termed it “silicon-sealed.”» —“Lisbon hails lifting of EU treaty obstacles” by Andrew Bounds in Brussels, Belgium MSNBC July 24, 2007. (source: Double-Tongued Dictionary)