4 Inch 100-200um Thick Ultra-thin Single Crystal Polished Silicon Wafer Heavily Doped With Highly Conductive Silicon Wafer - Air Conditioner Parts - AliExpress
4 inch Single sided polished monocrystalline silicon wafer / resistivity 8 12 ohm per centimeter/ Thickness of 525um|ohms resistance|wafer siliconthickness silicon - AliExpress
Silicon Wafer 4 Inch Single Sided Polish P100 1-10Ω (1): Amazon.com: Industrial & Scientific
Ferrotec Global - Silicon Wafers | Ferrotec Global
Nano-Tec and Micro-Tec silicon substrates and sample supports(wafer, diced silicon chips, ultra-flat wafers and as thermal silicon oxide on silicon support.)
Silicon wafers, silicon wafer processing and related semiconductor materials and services.