Specific Process Knowledge/Back-end processing/Polisher CMP

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Polisher (CMP)

The Logitech PM5 Polisher/Lapper

The Logitech Orbis Polisher (CMP) is for polishing wafers (removing material in the nm range) it is not for thinning down wafers or other substrates.

The user manual, user APV, technical information and contact information can be found in LabManager:

The Logitech Orbis (CMP) in LabManager

Equipment performance and process related parameters

Equipment		Polisher/Lapper
Purpose	Thinning of substrates of	InP GaAs Silicon Metals Glass/Quartz
Performance	Thinning	Removal rate: 1-10µm/min Thickness accuracy: +/- 10 µm Thickness homogeneity: +/- 10 µm Roughness: +/- ? µm
	Polishing	Removal rate: ~1 µm/min Thickness accuracy: ? µm Thickness homogeneity: ? µm Roughness: +/- ? µm
Process parameter range	Polishing liquid	SF1 Polishing Fluid
	Polishing cloths	Chemcloth Polishing Cloths
	Rotation	Plate HeadPpuck|-	Arm sweep	Polishing: 20% (inner) - 100% (outer)
	Substrates	Sample size	one 20x20mm piece one 50 mm wafer one 2" wafer one 100 mm wafer one 150 mm wafer
Allowed materials		Silicon Glass/Quartz