| http://www.w3.org/ns/prov#value | - By etching SOI layer 14 to form such surfaces, the difference in refractive index between SOI layer 14 and the adjacent material (for example, ???air???, or an insulating material, such as silicon dioxide or silicon nitride), the propagating signal will experience TIR and be re-directed to remain within crossover pinwheel region 90.
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