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4 inch wafer

Short Name:

4"

The following is a list of equipment where 4 inch round substrates are allowed.

Equipment name & NEMO ID	Training Required & Charges	Cleanliness	Location	Notes
Tystar Bank 3 Tube 10 Nitride B3T10 Clean Nitride	Tystar LPCVD Tube Training	Clean	SNF Cleanroom Paul G Allen L107
Tystar Bank 3 Tube 12 Poly B3T12 Clean Poly	Tystar LPCVD Tube Training	Clean	SNF Cleanroom Paul G Allen L107
Tystar Bank 1 Tube 3 Poly B1T3 Flexible Poly	Tystar LPCVD Tube Training	Flexible	SNF Cleanroom Paul G Allen L107
CHA Solutions II Evaporator cha-evap	Evaporator CHA Training	Flexible	SNF Cleanroom Paul G Allen L107	For more than 300nm deposition, please contact Neel Mehta <nmehta26@stanford.edu> in advance
SEM: FEI Nova NanoSEM 450	SEM: FEI Nova NanoSEM 450 Training	All	SNSF NPC Cleanroom Spilker suite006	The FEI Nova NanoSEM will be decommissioned in the week of February 3rd 2025

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Equipment name & NEMO ID	Technique	Cleanliness	Primary Materials Etched	Developer	Process Temperature Range	Chemicals	Gases	Substrate Size	Substrate Type	Maximum Load
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 Resist Strip wbresstrip-1	Wet Chemical Processing Cleaning > Resist Removal > Wet Resist Removal	Clean (Ge), Semiclean, Flexible	Resist		20 °C - 60 °C	PRS-1000 SRS-100		Pieces 2" 3" 4"	(Si) , (SiGe) , (SiO2) , (Al₂O₃) , (SiO₂) , (Ge) , (SiC)	25 4 inch wafers
Wet Bench Solvent Lithography lithosolv	Wet Chemical Processing Cleaning > Solvent Cleaning	Flexible				Solvents		Pieces 2" 3" 4" 6"	(Si) , (SiGe) , (SiO2) , (Al₂O₃) , (SiO₂) , (Ge) , (GaN) , (III-V) , (GaAs)
Woollam woollam	Characterization > Ellipsometry	All						Pieces 2" 3" 4" 6" 8"	(Si) , (SiGe) , (SiO2) , (Al₂O₃) , (SiO₂) , (Ge) , (SiC) , (GaN) , (III-V) , (GaAs) , (Various) , (Various) , (LiNb) , (Various)	1
Xactix Xenon Difluoride Etcher xactix	Etching > Vapor Etching	All	Ge Si SiGe				N₂ XeF₂	Pieces 2" 3" 4" 6"	(Si) , (SiGe) , (SiO2) , (Al₂O₃) , (SiO₂) , (Ge) , (SiC) , (GaN) , (III-V) , (GaAs)	1

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