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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
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!
Wet Bench Resist Strip wbresstrip-1	Wet Bench Resist Strip	Clean (Ge), Semiclean, Flexible	SNF Paul G Allen L107 Cleanroom	Wet Resist Removal: SRS-100 or PRS1000
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.
Woollam woollam	Woollam Training	"All"	SNF Paul G Allen L107 Cleanroom
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

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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	Cleaning > Solvent Cleaning Wet Chemical Processing	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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