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Technique

New techniques open up new physics. I believe the importance of experimental techniques.

The following is a list of my available techniques.

I want to learn more to realize interesting science.


ClassificationTechniqueExperienceMain sources of the technique
FabricationPhoto and EB lithographyPatterning as small as 10nmIye-Katsumoto LabTarucha-Oiwa LabOkamoto Lab, Elionix
 Etching
Film formation
Etching of GaAs, InAs, ...
Film formation with Ti, Au, Co, SiO2, Al2O3, ...
Iye-Katsumoto LabTarucha-Oiwa LabOkamoto Lab
 Microscopy with SEM, AFMMicroscopy of nano devices with SEM and AFM
Iye-Katsumoto LabTarucha-Oiwa Lab
CryogenicOperation and maintenance of fridgesWet type dilution refrigerators (with 1K pods/ JT valves), Dry dilution refrigerators (including bottom loading systems), 1K pod fridges, Pulse tube coolers, ...Iye-Katsumoto LabTarucha-Oiwa LabOkamoto LabNBI QDevOxford InstrumentsNiki Glass
 Operation of superconducting magnetSuperconducting magnet up to 15TIye-Katsumoto LabTarucha-Oiwa LabOxford InstrumentsNiki Glass
 Handling of cryogenLiquid nitrogen, helium
High pressure gas safety license (class-B, chemistry)
Iye-Katsumoto LabOkamoto LabISSP Cryogenic Service Lab
 Fabrication of fridges and superconducting magnets1K pod fridges, 4K test inserts, 4T superconducting magnet
Machining with lathes, milling machines, electric discharge machines, ..., Brazing
Iye-Katsumoto LabOkamoto LabISSP Machine Shop
MeasurementLow noise measurement in low temperatureMeasurement of currents and voltages in the order of fA and nV in cryogenic temperature
Signal extraction using lock-in amplifiers, ...
Tarucha-Oiwa LabIye-Katsumoto LabNBI QDevOkamoto Lab
 High frequency techniqueHandling of high frequency lines in cryogenic temperature
Measurements with microwave up to 40GHz
High speed measurements with RF reflectometry
Tarucha-Oiwa LabNBI QDevMarcus LabReilly LabIye-Katsumoto Lab
 Fabrication of electronic instrumentsLow noise instruments
Cryogenic high frequency components (amplifiers, bias tees, ...)
RF circuits
Tarucha-Oiwa LabNBI QDevMarcus LabReilly LabIye-Katsumoto Lab 
The Art of Electronics
ProgrammingAutomation of measurementAutomation with Igor and LabViewIye-Katsumoto LabTarucha-Oiwa LabNBI QDevMarcus Lab
 AnalysisAutomation of analysis with IgorIye-Katsumoto LabTarucha-Oiwa LabNBI QDev
 CADDesign of devices, instruments and labs with Vectorworks and AutoCADTarucha-Oiwa LabIye-Katsumoto Lab, Riken EQFR team
 Device simulation3D analysis of semiconductor devices with 3D Poisson-Schrödinger solverTarucha-Oiwa Lab
 MicrocomputerFabrication of measurement instruments with AVR試しながら学ぶAVR入門