TGeoVolume* cuVolume = new TGeoVolume(name.Data(), cuShape, fCopper);
boardVolume->AddNode(cuVolume, 0, new TGeoTranslation(0, 0, z));
// Chip
TGeoShape* chipShape = new TGeoTube(rmin+.1, rmax-.1, chipThick / 2);
name = Form("F%cCH", id);
TGeoVolume* cuVolume = new TGeoVolume(name.Data(), cuShape, fCopper);
boardVolume->AddNode(cuVolume, 0, new TGeoTranslation(0, 0, z));
// Chip
TGeoShape* chipShape = new TGeoTube(rmin+.1, rmax-.1, chipThick / 2);
name = Form("F%cCH", id);