Gallium Arsenide

Chemical Formula:

GaAs

Equipment name & NEMO ID	Training Required & Charges	Cleanliness	Location	Notes
Lesker2 Sputter lesker2-sputter	Sputter Lesker 1&2 Training	Semiclean	SNF Paul G Allen L107 Cleanroom	reactive O2/N2 sputtering, substrate bias, substrate heating, co-sputter
Wet Bench Flexcorr 1 wbflexcorr-1	Wet Bench Flexcorr 1and2 and 3and4 Training	Flexible	SNF Paul G Allen L107 Cleanroom	Manual wet etching of non-standard materials. Hot plate available. GaAs allowed in personal labware only.
Oven 90°C prebake oven90	Resist Prebake Oven 90°C Training	"All"	SNF Paul G Allen L107 Cleanroom	Bakes wafers after resist coating.
Wet Bench Flexcorr 2 wbflexcorr-2	Wet Bench Flexcorr 1and2 and 3and4 Training	Flexible	SNF Paul G Allen L107 Cleanroom	Manual wet etching of non-standard materials. Hot pots available. GaAs allowed in personal labware only
Karl Suss MA-6 Contact Aligner karlsuss2	Contact Aligner Karl Suss MA-6 Training	"All"	SNF Paul G Allen L107 Cleanroom	1:1 Contact Aligner. Backside align.
Wet Bench Miscellaneous wbmiscres	Wet Bench Miscellaneous Photoresist Training	Flexible	SNF Paul G Allen L107 Cleanroom	Manual development of resist in beakers and Headway (manual resist spinner). SNF approved developers (acid or base). No solvents!
Karl Suss MA-6 Contact Aligner karlsuss	Contact Aligner Karl Suss MA-6 Training	"All"	SNF Paul G Allen L107 Cleanroom	1:1 Contact Aligner. Backside align, including IR.
Wet Bench Flexible Solvents 1 wbflexsolv-1	Wet Bench Flexible Solvents 1 and 2 Training	Flexible	SNF Paul G Allen L107 Cleanroom	Manual solvent cleaning, two ultrasonic baths.
Wet Bench Flexible Solvents 2 wbflexsolv-2	Wet Bench Flexible Solvents 1 and 2 Training	Flexible	SNF Paul G Allen L107 Cleanroom	Manual solvent cleaning, hot plate
Sensofar S-neox s-neox	Sensofar S-neox Training	"All"	SNF Paul G Allen L107 Cleanroom	non contact 3D optical profiling
Wet Bench Solvent Lithography lithosolv	Lithography Solvent Bench Training	Flexible	SNF Paul G Allen L107 Cleanroom	Manual solvent cleaning of substrates or masks. Teflon coated metal tweezers cleaning.
Wet Bench Flexible Solvents wbflexsolv	Wet Bench Flexible Solvents 1 and 2 Training	Flexible	SNF Paul G Allen L107 Cleanroom	Manual solvent cleaning of substrates or resist removal.
Prometrix Resistivity Mapping System prometrix	Prometrix Training	"All"	SNF Paul G Allen L107 Cleanroom	3 Probe Heads for different cleanliness groups.
Critical Point Dryer Tousimis Automegasamdri-936 cpd	Critical Point Dryer Training	Flexible	SNF Paul G Allen L107 Cleanroom	CO2 drying after release of micromachined devices
Flexus 2320 Stress Tester stresstest	Stress Tester Flexus 2320 Training	"All"	SNF Paul G Allen L107 Cleanroom
micromanipulator6000 IV-CV probe station micromanipulator6000	micromanipulator6000 IV-CV probe station Training	"All"	SNF Exfab Paul G Allen 151 Ocean
LEI1500 Contactless Sheet Resistance Mapping eddycurrent	LEI1500 Contactless Sheet Resistance Mapping Training	"All"	SNF Exfab Paul G Allen 151 Ocean
Lakeshore Hall Measurement System LakeshoreHall	Lakeshore Hall Measurement System training	"All"	SNF Exfab Paul G Allen 151 Ocean
Lesker Sputter lesker-sputter	Sputter Lesker 1&2 Training	Flexible	SNF Exfab Paul G Allen 155A Venice	reactive O2/N2 sputtering, substrate bias, substrate heating, co-sputter
AJA Evaporator aja-evap	Evaporator AJA training	Flexible	SNF Exfab Paul G Allen 155A Venice	For more than 300nm deposition, please contact Graham Ewing<grahamj.ewing@stanford.edu> in advance

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Equipment name & NEMO ID	Technique	Cleanliness	Primary Materials Etched	Other Materials Etched	Material Thickness Range	Materials Lab Supplied	Resist	Developer	Process Temperature Range	Chemicals	Gases	Sample Size Limits	Substrate Size	Substrate Type	Maximum Load
Oven BlueM 200°C to 430°C bluem	Photolithography > Resist Bake > Oven Bake	Flexible							0 °C - 430 °C				Pieces 2" 3" 4" 6"	(Si) , (SiGe) , (SiO2) , (Al₂O₃) , (SiO₂) , (Ge) , (GaN) , (III-V) , (GaAs) , (Various)
PDS 2010 LABCOTER™ 2 Parylene Deposition System parcoater	Deposition	Flexible				poly(p-xylylene)							Pieces 2" 3" 4" 6" 8" Cones Disks Other	(Si) , (SiGe) , (SiO2) , (Al₂O₃) , (SiO₂) , (SiC) , (GaN) , (III-V) , (GaAs) , (Various) , (Various) , (LiNb) , (Various)
Profilometer Alphastep 500 alphastep	Characterization > Surface Analysis > Profilometer > Step Profile	Flexible											Pieces 2" 3" 4" 6"	(Si) , (SiGe) , (SiO2) , (Al₂O₃) , (SiO₂) , (Ge) , (GaN) , (III-V) , (GaAs)	1
Profilometer AlphaStep D-300 alphastep2	Characterization > Surface Analysis > Profilometer > Step Profile	Flexible											Pieces 2" 3" 4" 6"	(Si) , (SiGe) , (SiO2) , (Al₂O₃) , (SiO₂) , (Ge) , (SiC) , (GaN) , (III-V) , (GaAs) , (Various) , (Various) , (LiNb)	1
Prometrix Resistivity Mapping System prometrix	Characterization > Sheet Resistance Measurement	"All"											2" 3" 4" 6" 8"	(Si) , (SiGe) , (SiO2) , (Al₂O₃) , (SiO₂) , (Ge) , (GaN) , (III-V) , (GaAs)	1
Samco PC300 Plasma Etch System samco	Cleaning > Resist Removal > Dry Resist Removal > Downstream/Remote Plasma Resist Removal Etching > Dry Etching > Capacitively Coupled Plasma Etching (CCP) > Plasma Mode Etching Etching > Dry Etching > Capacitively Coupled Plasma Etching (CCP) > Reactive Ion Etching (RIE)	Flexible	Resist	dimethylpolysiloxane Si Si3N4 SiO₂ SiON Various polymers PI					20 ºC		CF₄ O₂ SF₆		Pieces 2" 3" 4" 6" 8" Other	(Si) , (SiGe) , (SiO2) , (Al₂O₃) , (SiO₂) , (Ge) , (SiC) , (GaN) , (III-V) , (GaAs) , (Various) , (Various) , (LiNb) , (Various)	Four 4" wafers or two 6" wafers and one 8" wafer
SEM -Zeiss Merlin sem-merlin	Characterization > Surface Analysis > Microscopy > Scanning Electron Microscopy (SEM)	"All"			0.00 mm - 35.00 mm							6 in wafer	Pieces 2" 3" 4" 6" Disks	(Si) , (SiGe) , (SiO2) , (Al₂O₃) , (SiO₂) , (Ge) , (SiC) , (GaN) , (III-V) , (GaAs) , (LiNb)	one
Sensofar S-neox s-neox	Characterization > Surface Analysis > Profilometer > Interferometry Characterization > Surface Analysis > Profilometer > Optical Profilometer	"All"											Pieces 2" 3" 4" 6" 8"	(Si) , (SiGe) , (SiO2) , (Al₂O₃) , (SiO₂) , (Ge) , (GaN) , (III-V) , (GaAs)	1
SPTS uetch vapor etch uetch	Etching > Vapor Etching	"All"	SiO₂								C₂H₅OH HF vapor		Pieces 2" 3" 4" 6" 8"	(Si) , (SiGe) , (SiO2) , (Al₂O₃) , (SiO₂) , (Ge) , (SiC) , (GaN) , (III-V) , (GaAs)	1
SVG Develop Track 1 svgdev	Photolithography > Resist Develop > Resist Develop (automatic)	"All"						MF-26A developer					4"	(Si) , (SiGe) , (SiO2) , (Al₂O₃) , (SiO₂) , (Ge) , (GaN) , (III-V) , (GaAs)	25 4 inch wafers
SVG Develop Track 2 svgdev2	Photolithography > Resist Develop > Resist Develop (automatic)	"All"						MF-26A developer					4"	(Si) , (SiGe) , (SiO2) , (Al₂O₃) , (SiO₂) , (Ge) , (GaN) , (III-V) , (GaAs)	25 4 inch wafers
SVG Resist Coat Track 1 svgcoat	Photolithography > Resist coat > Resist Coat (automatic)	"All"					Shipley 3612 resist SPR220-3 resist SPR220-7						4"	(Si) , (SiGe) , (SiO2) , (Al₂O₃) , (SiO₂) , (Ge) , (GaN) , (III-V) , (GaAs)	25 4 inch wafers
SVG Resist Coat Track 2 svgcoat2	Photolithography > Resist coat > Resist Coat (automatic)	"All"					AZ5214IR Shipley 3612 resist SPR 955 CM-.7 resist						4"	(Si) , (SiGe) , (SiO2) , (Al₂O₃) , (SiO₂) , (Ge) , (GaN) , (III-V) , (GaAs)	25 4 inch wafers
Wet Bench Flexcorr 1 wbflexcorr-1	Etching > Wet Etching > Acid or Base Wet Etching Etching > Wet Etching > Aluminum and Titanium and Tungsten Wet Etching Cleaning > Decontamination Cleaning > Metal Clean Cleaning > Piranha Cleaning Etching > Wet Etching > Silicon Oxide Wet Etching Etching > Wet Etching > Silicon Wet Etching Wet Chemical Processing Cleaning > Resist Removal > Wet Resist Removal	Flexible	Metals Al Au Cr Si SiO₂ Resist	GaAs Si3N4 Ti W						Acids Bases Gold Etchant 20:1 BOE 50:1 HF 6:1 BOE 9:1 Piranha Al-Etch Chrome Etch KOH SC1 SC2			Pieces 2" 3" 4" 6"	(Si) , (SiGe) , (SiO2) , (Al₂O₃) , (SiO₂) , (Ge) , (SiC) , (GaN) , (III-V) , (GaAs) , (Various)
Wet Bench Flexcorr 2 wbflexcorr-2	Etching > Wet Etching > Acid or Base Wet Etching Cleaning > Piranha Cleaning Wet Chemical Processing	Flexible								Acids Bases			Pieces 2" 3" 4" 6"	(Si) , (SiGe) , (SiO2) , (Al₂O₃) , (SiO₂) , (Ge) , (SiC) , (GaN) , (III-V) , (GaAs) , (Various)
Wet Bench Flexible Solvents wbflexsolv	Patterning > Metal Lift-off Cleaning > Solvent Cleaning Cleaning > Resist Removal > Wet Resist Removal	Flexible								Isopropanol Solvents			Pieces 2" 3" 4" 6"	(Si) , (SiGe) , (SiO2) , (Al₂O₃) , (SiO₂) , (Ge) , (SiC) , (GaN) , (III-V) , (GaAs) , (Various)
Wet Bench Flexible Solvents 1 wbflexsolv-1	Cleaning > Solvent Cleaning Wet Chemical Processing Cleaning > Resist Removal > Wet Resist Removal	Flexible								Solvents			Pieces 2" 3" 4" 6"	(Si) , (SiGe) , (SiO2) , (Al₂O₃) , (SiO₂) , (Ge) , (SiC) , (GaN) , (III-V) , (GaAs) , (Various)
Wet Bench Flexible Solvents 2 wbflexsolv-2	Cleaning > Solvent Cleaning Wet Chemical Processing Cleaning > Resist Removal > Wet Resist Removal	Flexible								Solvents			Pieces 2" 3" 4" 6"	(Si) , (SiGe) , (SiO2) , (Al₂O₃) , (SiO₂) , (Ge) , (SiC) , (GaN) , (III-V) , (GaAs) , (Various)
Wet Bench Miscellaneous wbmiscres	Photolithography > Resist Develop > Resist Develop (manual) Wet Chemical Processing	Flexible						AZ 1:1		Developers			Pieces 2" 3" 4" 6"	(Si) , (SiGe) , (SiO2) , (Al₂O₃) , (SiO₂) , (Ge) , (GaN) , (III-V) , (GaAs)
Wet Bench Solvent Lithography lithosolv	Cleaning > Solvent Cleaning Wet Chemical Processing	Flexible								Solvents			Pieces 2" 3" 4" 6"	(Si) , (SiGe) , (SiO2) , (Al₂O₃) , (SiO₂) , (Ge) , (GaN) , (III-V) , (GaAs)