25.4mm Silicon Wafers (1 Inch) for Research & Production

university wafer substrates

25.4 (1 inch) Silicon Wafers

A Research Chemist in Surface and Microanalysis requested a quote for the following:

I'm looking for 25.4 mm diameter wafer, polished on one side. Need a thickness of 3 mm or even thicker Would be looking for 4 or 5 of these. This is going to be a substrate for a raman experiment.

Reference #292447 for specs and pricing.

We have a large selection of 1 Inch silicon wafers in stock and ready-to-ship. See below for some of what we have in stock. If you don't see what you need, pleaes email us your specs and quantity.

Get Your 25.4mm Silicon Wafer Quote FAST! Or, Buy Online and Start Researching Today!


1 Inch Used in Coating System

A Scientist in a collider accelerator vacuum group requested the followng quote:

I am doing some deposition coating and need some silicon wafers to deposit the coating on to measure thickness of about 100 naometers. What would I buy that has a 1” flat surface to apply the coating on?

I can use 25 wafers.  How fragile are these?  I just need a flat surface to use in my coating system which I will mask on half of the wafer and measure the step or thickness of the coating using a profileometer.  What do you recommend?

Reference #256331 for specs and pricing.

Researchers Use 25.4mm SIlicon Wafers for Graphene Mobility Measurements

Researchers have purchased the following silicon wafers for graphene mobility measurments.

Si Item #3105
25.4mm P/B <100> .01-.05 500um Double Side Polished

Reference #ONLQ38820 for more info.

Graphene mobility measurments helps researchers measure the electrical transport properties in graphene and multi-layer materials as well as devices, including:

  • Resistivity
  • Carrier type
  • Density
  • Mobility of a sheet.

What Are 25.4mm Silicon Wafers?

When you need to create a circuit board, you need silicon wafers. They come in different diameters, 25.4mm silicon substrateincluding the 25.4mm variety. The larger the diameter, the bigger the wafer needs to be, so you should consider the shipping costs and space requirements. However, if you need a lot of silicon, you may need to buy a larger wafer. If you need a large wafer, you can order a smaller one, but if you need more, you can ask for a larger one.

When you use a silicon wafer, you are using one of the most common materials in the world. These materials are used to create semiconductors, which are present in most electronic devices. The size and shape of a silicon wafer makes them a vital part of many high-tech industries. These applications include solar cells, opto-electronic components, and detector or sensor devices. These products are made using the 25.4mm silicon waffles, which are available in several different sizes.

When a silicon wafer is made, it is cut with a wire saw to make it thin enough to be used as a substrate for SEM and AFM samples. The resulting wafer is polished and smooth. Single crystal silicon wafers are 100-200 mm square and range from one to four or five micrometers in diameter. There are some crystalline types, but they are not widely used.

Single crystal silicon wafers are a type of semiconductor substrate that is used for many high-tech applications. These are the materials that make up integrated circuits, detectors, sensor devices, and opto-electronic components. They are also used in solar cells. Essentially, a silicon wafer can be any size or shape. Its size is determined by the manufacturing process. It can also be thin enough to fit a standard-size glass or plastic tray.

Because silicon wafers are so versatile, it is possible to manufacture them with high-quality silicon. The best way to do this is to fabricate thin film on a silicon wafer. Ideally, you should always use a freshly cleaved silicon wafer for the best results. This will make it possible to use a microscope to observe the orientation of the films. But in some cases, you can't use a single crystal as a semiconductor.

A single-crystal silicon wafer is ideal for a number of applications. It can be used to make solar panels and integrated circuits. For most semiconductor applications, you should use a single-crystal silicon wafer. You can also get a 10x10x10mm crystal. For photovoltaic and solar cell, you will need a 100-x100mm substrate.

The second type of silicon wafer is a crystalline silicon wafer. It is made from high-purity material. A single crystal of silicon can be up to 25.4mm thick. This type is suitable for most semiconductor manufacturing processes. These materials are also used for other semiconductor devices, including solar cells. They can be manufactured into the desired shapes. When it comes to using silicon in electronics, you can choose between two types of material: a 10x10mm and a 25.4mm.

A silicon wafer is a high-quality material that is essential for manufacturing semiconductors. They are used in all types of electronic devices and are the most common type of semiconductor materials. These types of high-tech applications include solar cells and integrated circuits. In addition, these materials are also used in MEMS fabrication. There are numerous other uses for 25.4mm Silicon Wafers. And there are countless other ways they can be manufactured.

A silicon wafer is a high-quality semiconductor that is used in various technologies. These components can be found in all kinds of electronic devices, such as televisions, computers, and smart phones. Because silicon wafers are highly durable, they are the first choice of many manufacturers. In fact, the technology behind silicon is so advanced that it is used in solar cell manufacturing. You can even use them in other high-tech industries.

When making a semiconductor, it is important to understand the physics behind these materials. The chemistry of these compounds is vital to the process. Without a proper understanding of the structure of semiconductors, they would not be able to perform their intended functions. Furthermore, they can be used to create electronic components, which are vital for the growth of the semiconductor industry. You should know that there are two types of silicon wafers: n-type and p-type.

What is the true 25.4mm Diameter in Inches?

25.4mm is exactly 1 inch in length, diameter, etc! Many other diameters metric to inch measurments are often rounded down.

Below are just some of the 25.4mm silicon substrate inventory.

Item Dia Type Dopant Orien Res (Ohm-cm) Thick (um) Polish Description
1394 25.4mm P B <111> >1000 20000um DSP Float Zone (FZ)
2218 25.4mm P B <100> ANY 400um SSP Thickness is: 400+/-100um.
2149 25.4mm ANY <100> 500um SSP Wafers have particles. Wafers sold "As-Is".
2313 25.4mm Undoped Undoped <111> >2000 280um SSP Intrinsic FZ Prime Grade
2483 25.4mm Undoped Undoped <100> >5000 73.5um DSP FZ, Float Zone
3105 25.4mm P B <100> .01-.05 500um DSP NO flats, COMPLETELY round. Minimum Order Quantity 5 wafers.


Item Material Orient. Diam(mm) Thck(μm) Surf. ResistivityΩcm Comment
PW1100 P/B [100] 1" 280um P/E 0-100 ohm-cm SEMI, 1Flat, Soft cst
UW2313 Intrinsic Si:- [111] 1" 280um P/E FZ >2000 ohm-cm Test Grade
2218 P/B [100] 1"   P/E ANY Test Grade
D975 n-type Si:P [100] 1" 475 ±10 E/E FZ >500 {1,900-2,400} NO Flats, Soft cst
G519 n-type Si:P [111] ±0.5° 1" 280 P/P FZ 2,000-10,000 NO Flats, TTV<5μm, Soft cst
5447 Intrinsic Si:- [100] 1" 500 P/E FZ >20,000 SEMI Prime, 1Flat, hard cst
I745 Intrinsic Si:- [100] 1" 160 P/P FZ >10,000 Prime, NO Flats, hard cst, TTV<8μm
J745 Intrinsic Si:- [100] 1" 160 P/P FZ >10,000 Prime, NO Flats, hard cst, TTV<8μm
C427 Intrinsic Si:- [111] ±0.5° 1" 500 P/P FZ >17,500 SEMI Prime, 1Flat, hard cst
5427 Intrinsic Si:- [111] ±0.5° 1" 500 P/P FZ >15,000 SEMI Prime, 1Flat, hard cst
1978 Intrinsic Si:- [111] ±0.5° 1" 1,000 P/E FZ 14,000-30,000 NO Flats, Soft cst, Cassettes of 7, 6, 6 wafers
4427 Intrinsic Si:- [111] ±2° 1" 27,870 C/C FZ >10,000 Single Crystal Silicon Rod, 0.39" diameter × 27.87±0.1mm
B444 P/B [510] 1" 1,000 P/E 1-100 {7.4-7.4} NO Flats, Soft cst
C320 P/B [100] 1" 100 ±15 P/P 1-10 Prime, NO Flats, in sealed bags of 5 wafers.
5426 P/B [100] 24mm 300 P/E 1-100 Prime, NO Flats, hard cst
5631 P/B [100] 24.3mm 300 P/E 1-10 Prime, NO Flats, hard cst
6023 P/B [100] 1" 300 P/E 1-10 {2.8-2.9} SEMI Prime, 1Flat, Soft cst
6153 P/B [100] 1" 300 P/E 1-10 Prime, NO Flats, Soft cst
F631 P/B [100] 24.3mm 300 P/E 1-10 {1.5-1.7} Prime, NO Flats, hard cst
6166 P/B [100] 1" 525 ±10 P/E 1-30 Prime, NO Flats, Soft cst, TTV<5μm, Cassettes of 20 and 8 wafers
5275 P/B [100] 1" 1,000 P/E 1-30 SEMI Prime, 1Flat, hard cst
L678 P/B [100] 1" 3,000 P/E 1-50 Prime, NO Flats, Individual cst, Group of 13 wafers
5339 P/B [100] 1" 275 P/P 0.015-0.020 SEMI Prime, 1Flat, hard cst
5092 P/B [100] 1" 275 P/E 0.015-0.020 SEMI Prime, 1Flat, Soft cst
G704 P/B [111] ±0.5° 1" 50 ±10 P/P 1-100 NO Flats, Soft cst
K729 n-type Si:P [100] 1" 50 ±10 P/P >20 SEMI Prime, 1Flat, TTV<5μm, in single wafer trays between clean-room sheets, MOQ 4 wafers
C352 n-type Si:P [100] 1" 280 P/E 1-5 SEMI, 1Flat, hard cst
6179 n-type Si:P [100] 1" 1,500 P/E 1-20 Prime, NO Flats, Soft cst
19A2 n-type Si:P [111] 1" 330 P/E FZ >90 Prime, NO Flats, hard cst
19I1 P/B [100] 1" 775 P/E 8-12 SEMI Prime, 1Flat, Soft cst
19O1 P/B [100] 1" 300 P/P 4-6 SEMI Prime, 1Flat, hard cst
19D1 P/B [100] 24mm 300 P/E 1-100 Prime, NO Flats, Soft cst
19J1 P/B [100] 1" 300 P/E 1-10 Prime, NO Flats, Soft cst
19B1 P/B [100] 1" 500 P/E 1-10 Ile zostalo ?
19C1 P/B [100] 1" 380 P/E 0.003-0.005 SEMI Prime, 1Flat, hard cst
19H2 P/B [100] 1" 275 P/E 0.002-0.005 Prime, NO Flats, hard cst
VS1 n-type Si:P [100] 1" 50 ±10 P/P >20 SEMI Prime, 1Flat, TTV<5μm, in single wafer trays between clean-room sheets, MOQ 5 wafers
19N1 n-type Si:P [100] 1" 3,500 P/E 1.2-3.0 SEMI Prime, 2Flats, Individual cst
18X2 n-type Si:P [100] 1" 300 P/E 1-20 SEMI Prime, 1Flat, hard cst
18Y n-type Si:As [100] 1" 300 P/P 0.001-0.005 Prime, NO Flats, hard cst
18W2 n-type Si:As [111] 1" 380 P/E 0.002-0.007 SEMI Prime, 1Flat, hard cst