3.6 Incremental Base Sheet Resistor (van der Pauw)

3.16 Collector Four-Probe Resistors Structure 4.9, pipes 0.50 mil (12.7 μm) on a side

Other similar structures, which differ primarily in pipe size, are:

Structure 4.1, pipes 0.20 mil (5.1 pm) on a side
Structure 4.5, pipes 0.30 mil (7.5 m) on a side
Structure 4.7, pipes 0.40 mil (10.2 m) on a side
Structure 4.17, pipes 0.25 mil (6.4 pm) on a side