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150mm Silicon Wafers - All Diameters and Specifications

150mm (6 inch) silicon wafers are a popular size for microfabrication process development, equipment qualification, and research labs that need reliable silicon substrates without moving to 200mm or 300mm lines. UniversityWafer offers 150mm wafers in CZ or float zone (FZ) material with p-type or n-type doping, standard orientations such as (100), (111), and (110), and surface finishes including SSP and DSP. Choose prime, test, or mechanical grades based on your process sensitivity and budget, then request a fast quote or buy online for in-stock items.

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When were 150mm Silicon Wafers Introduced?

Introduced in 1983, 150mm (5.9 inch, usually referred to as "6 inch") wafers can use the CZ or FZ method for ingot growth.

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150mm Silicon Wafer Growth is Strong

This is impressive growth, supported by a slowly growing variety of applications such as the manufacture of "More Moore's Devices." As long as we continue with the class of equipment mentioned here, it is clear that the future of 150 mm wafer technology is bright.

6 inch semiconductor wafer

Mechanical Grade Silicon Wafers Used in Neurobiological Research

Researchers from the Tata Institute of Fundamental Research in India are using our 150mm, mechanical grade, SSP silicon wafers in their work on Simple Microfluidic Devices.

Silicon Used for Eddy-Current Measurements

A corporate scientist requested the following:

"I use the wafers as test objects to verify my eddy-current measurement setup. As they have a well-defined thickness and homogeneous conductivity, they are ideal for my application."

Si Item #1575
100mm P/B <100> 0.01-0.02 ohm-cm 525um SSP Prime

How are Silicon Substrates Used for Eddy-Current Measurements?

Eddy current testing is a nondestructive testing method widely used to examine materials for defects, measure thickness of materials, and inspect conductivity. It's based on the principles of electromagnetic induction.

  1. Thickness Measurement: One of the primary uses of eddy current measurements on silicon substrates is to measure their thickness.
  2. Material Defect Analysis: Eddy current testing can also be used to identify defects within the silicon substrate.
  3. Doping Level and Type Determination: The conductivity of a silicon substrate can be affected by its doping level and type.

What Wafers are Used in Millimeter-Wave Photoconductive Switches?

A university scientist needed help sourcing the correct wafer for their research:

"Our application is millimeter-wave photoconductive switches. We need really low loss silicon for one state, and long carrier lifetime for the other."

UniversityWafer, Inc. Quoted: 150mm Undoped high resistivity silicon >1000 ohm*cm wafers DSP around 500um thick.

Microreactor Array Device

Researchers from University of Arizona used the following 150mm Silicon Wafers for their Microreactor Array Device research: UniversityWafer, Inc. 150mm 675um+/-25um.

microreactor array device

Microreactor Array Device Research

150mm (6 Inch) Silicon Wafer Inventory

We have a large selection of 150mm Si wafers in stock and ready to ship. Please fill out the form if you need other specs and quantity. Below is just a small sample of what is in stock.

Item Dia Type Dopant Orient. Res (Ω-cm) Thick (μm) Polish Grade Description
478 150mm - - N/A - 650 SSP MECH Low cost Si Wafer, great for spin coating.
857 150mm P B <100> 0-10 620 SSP Test Test Grade Silicon, great for wafer processing studies.
1025 150mm N - <100> 0-100 625 SSP Test N-type Test Grade.
2880 150mm P B <100> 0.006-0.012 525 SSP Test With Oxide Back Seal.
3071 150mm P B <100> 1-100 500 SSP Test 2 SEMI-STD FLATS, PRIMARY <110>.
1383 150mm Undoped - <100> >10,000 650 SSP Prime Float Zone (FZ), High Resistivity.
2476 150mm N/P - <100> 2k-10k 675 SSP Prime Float Zone (FZ).
2312 150mm P B <100> 0.01-0.02 675 P/E EPI With EPI layer, Hard wetblast/LTO.
UW1972 150mm N Phos <100> 2000-8000 320 P/E Prime Float Zone (FZ), Thin.
E870 150mm N Phos <111> 0.001-0.014 605 P/P Prime Double Side Polished (DSP), FZ.

150mm Silicon Wafer Dopants Available

  • Boron Doped Silicon Wafers
  • Antimony Doped Silicon Wafers
  • Arsenic Doped Silicon Wafers
  • Undoped Silicon Wafers
  • Gallium Doped Silicon Wafers

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