Table 1 Unit cell specifications.

From: Preparation of NiAl2O4-Based Flexible Substrates for Metamaterials with Negative Dielectric Properties

Design parameter

Dimension(mm)

Design parameter

Dimension(mm)

a

20

s2

2

b

25

s3

1

L1

18

d1

2

L2

12

d2

1.50

W1

17

g1

1

W2

10

g2

1

s1

4

 Â