Gallium Arsenide

Chemical Formula:

GaAs

Equipment name & NEMO ID	Training Required & Charges	Cleanliness	Location	Notes
Xactix Xenon Difluoride Etcher xactix	Xactix Xenon Difluoride Etcher Training	"All"	SNF Paul G Allen L107 Cleanroom	Isotropic Si etching; can be used for backside Si removal on small pieces
SVG Develop Track 1 svgdev	SVG Resist Develop tracks 1 and 2 Training	"All"	SNF Paul G Allen L107 Cleanroom	Automatic development.
SVG Resist Coat Track 2 svgcoat2	SVG Resist Coat Tracks 1 and 2 Training	"All"	SNF Paul G Allen L107 Cleanroom	Automatic HMDS, Resist spinning, and Bake. AZ5214IR Image Reversal.
SVG Resist Coat Track 1 svgcoat	SVG Resist Coat Tracks 1 and 2 Training	"All"	SNF Paul G Allen L107 Cleanroom	Automatic Resist spinning and bake
SVG Develop Track 2 svgdev2	SVG Resist Develop tracks 1 and 2 Training	"All"	SNF Paul G Allen L107 Cleanroom	Automatic development.
SPTS uetch vapor etch uetch	SPTS uetch vapor etch Training	"All"	SNF Paul G Allen L107 Cleanroom	Pieces need a carrier wafer; Isotropic Etching
Woollam woollam	Woollam Training	"All"	SNF Paul G Allen L107 Cleanroom
HMDS Vapor Prime Oven, YES yes	YES Prime Oven Training	"All"	SNF Paul G Allen L107 Cleanroom	Two programs: Singe and HMDS prime or Singe only. No Resist allowed!
Heidelberg MLA 150 - 2 heidelberg2	Heidelberg Training	"All"	SNF Paul G Allen L107 Cleanroom	Direct Write
Oven (White) white-oven	White Oven Training	Flexible	SNF Paul G Allen L107 Cleanroom	For LOL2000 bake or bakes which are not allowed in the other ovens and need higher temperatures, up to 200C, programmable.
Headway Manual Resist Spinner headway2	Resist Coat (manual) Headway Manual Training	"All"	SNF Paul G Allen L107 Cleanroom	Adjustable spin speeds, spin time. SNF-acceptable resists or polymers. Ebeam resists
Oven BlueM 200°C to 430°C bluem	Blue M Oven Training	Flexible	SNF Paul G Allen L107 Cleanroom	Convection in N2. Cure. Programmable.
Samco PC300 Plasma Etch System samco	Samco Training	Flexible	SNF Paul G Allen L107 Cleanroom
Oven 110°C post-bake oven110	Resist Postbake Oven 110°C Training	"All"	SNF Paul G Allen L107 Cleanroom	Bakes wafers with resist after the development, called post-bake.
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
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

Pages

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)