OEM Customized Back Surface Treatment - FZ Silicon Wafer – WMC

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FZ Single Crystal Silicon Wafer or FZ Mono-crystal Silicon Wafer of intrinsic, n-type and p-type conductivity at Western Minmetals (SC) Corporation can be delivered in various size of 2, 3, 4, 6 and 8 inch in diameter (50mm, 75mm, 100mm, 125mm, 150mm and 200mm) and wide range of thickness from 279um up to 2000um in <100>, <110>, <111> orientation with surface finish of as-cut, lapped, etched and polished in package of foam box or cassette with carton box outside.

No.	Items	Standard Specification
1	Size	2″	3″	4″	5″	6″
2	Diameter mm	50.8±0.3	76.2±0.3	100±0.5	125±0.5	150±0.5
3	Conductivity	N/P	N/P	N/P	N/P	N/P
4	Orientation	<100>, <110>, <111>
5	Thickness μm	279, 381, 425, 525, 575, 625, 675, 725 or as required
6	Resistivity Ω-cm	1-3, 3-5, 40-60, 800-1000, 1000-1400 or as required
7	RRV max	8%, 10%, 12%
8	TTV μm max	10	10	10	10	10
9	Bow/Warp μm max	30	30	30	30	30
10	Surface Finish	As-cut, L/L, P/E, P/P
11	Packing	Foam box or cassette inside, carton box outside.

Symbol	Si
Atomic Number	14
Atomic Weight	28.09
Element Category	Metalloid
Group, Period, Block	14, 3, P
Crystal structure	Diamond
Color	Dark gray
Melting Point	1414°C, 1687.15 K
Boiling Point	3265°C, 3538.15 K
Density at 300K	2.329 g/cm³
Intrinsic resistivity	3.2E5 Ω-cm
CAS Number	7440-21-3
EC Number	231-130-8