Figure 14

MTM unit cell with several copper back: (a) no copper back (h = 0 mm), (b) copper height, h = 2 mm, (c) h = 4 mm, (d) h = 6 mm (e) Full copper back (h = 8 mm).

MTM unit cell with several copper back: (a) no copper back (h = 0 mm), (b) copper height, h = 2 mm, (c) h = 4 mm, (d) h = 6 mm (e) Full copper back (h = 8 mm).