The following is a list of equipment where 4 inch round substrates are allowed.
Manual Film Thickness Measurement. Single or dual layer transparent films > 300 Ã
Direct Write
500Å to 300µm
Manual development of resist in beakers. SNF approved developers only. No solvents!
KOH or wafersaw or post-cmp decontamination
Automatic development.
Metal etching or Metal hard masks are not allowed. 4" wafers; can be adopted to do 6" or 8" wafers; pieces need to be bonded to carrier wafers; Restrictions: III-V materials only.
Manual solvent cleaning of substrates or masks. Teflon coated metal tweezers cleaning.
SU-8, LOL, Ebeam resists allowed. No Acetone allowed.
non contact 3D optical profiling