Specific Process Knowledge/Wafer Information

Wafer Information

DTU Danchip has a stock of most used silicon and glass wafers; most of these wafers are to be found in stock in cleanroom 2. Whenever you take a wafer from stock, you should fill out the logbook with date, name, company, project/team, waferbox name and price per wafer. The Price can also be found in the logbook.

The waferbox name consists of two characters and three to four numbers, eg OP337, according to the code below:

Origin of waferbox names
O	P	337
Indicates the company where the wafers are bought	Type of doping in the wafer	shipment number

Wafers available at DTU Danchip

wafer available at DTU Danchip
	Shelf	Size	Type	Thickness	Resistivity
SSP (single side polished)	bottom	4"	N+P	525 µm	1-20 Ωcm
SSP (single side polished)	top	6"	N or P	625 µm	1-20 Ωcm
DSP (double side polished)	middle	4"	N+P	350 µm	1-20 Ωcm
wafers with different layers	top	4" and 6"
Boron glasswafers	middle	4"		1 mm

Wafer boxes and single wafer carriers

New clean wafer boxes and single wafer carriers can be found in the changing area. Ask DTU Danchip personnel for help if stock is low