GeCo3

GeCo3Edit

Ge wafer Umicore - diameter 44 mm - h 175 µm

Electronic grade - growing axis 100

SiO coating 70 nm

Luke grids: 3.8 mm pitch annular

NTD 34 B wrapped around

Araldite glue - without spacers - 30 g pressing force

NTD: Au wire - 25 µm

Electrodes: between electrodes - Al wire - 25 µm

to the thermal bath - Au wire - 25 µm

no Kapton pads

polishing of surface: optical and chemical AND

etching of surface with CP4

V max on grids = 80 V