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Proudly Serving Researchers Since 1997.

Ultra-Thin Silicon Wafers
Soitec Silicon on Insulator Wafers

UniversityWafer, Inc is the leading silicon wafer distributor to universities and research centers internationally.

 

Researcher Testimonial:

 

"The (silicon) wafers have arrived today, and we really pleased with them! Thumbs up to your production crew!"

 

Researcher from University of Exeter

Free Technical Assiatance on All Substrates!

 

See below for our Silicon Wafer Customer FAQs!  Fill out the form below for an immediate quote!

MSDS Available

 

 

Materials Safety Data Sheets Available Upon request

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Glass Materials!

 

  • Soda Lime
  • Borofloat 33
  • Bk7 Glass
  • Fused Silica
  • Single Crystal
    Quartz

Silicon Wafer Coatings

 

Thermal Oxide

  • Wet Oxide
  • Dry Oxide

 

Silicon Nitride

  • LPCVD
  • Low Stress
  • Super Low Stress
  • PECVD

 

Thin Film

  • Sputtering
  • E-Beam Evaporation

 

Other Services

  • Wafer dicing
  • Silicon wafer lapping
  • Silicon wafer polishing
  • Wafer bonding
Ultrathinned Silicon Wafer 10 micron

Silicon Wafer Diameters

 

 

Ultra-Thinned Silicon

  • 2 micron
  • 5 micron
  • 10 micron
  • 25 micron
  • 50 micron
  • 75 micron
  • 100 micron
  • 150 micron
  • 200 micron

 

We have a large selection of  Prime, Test and Mechanical Grade Silicon wafers

1" - 12" Silicon Wafers low doped and highly doped in stock and ready to ship. Examples full and partial silicon wafer cassettes include:

 

Just Some of our Silicon Wafer Inventory

 

Super thin Si 100mm P/B (100) 1-10 ohm-cm 25um 2um thin Silicon also available!

 

1" Undoped Si (100) >1,000 ohm-cm 250um DSP

 

2" P/Boron (100) 1-10 ohm-cm 280um SSP

 

3" N/Phosphorus (100) 0.01-0.02 ohm-cm 380um DSP

 

4" Intrinsic Silicon (100) >20,000 ohm-cm 500um DSP

 

6" P/B (111) <1 ohm-cm 300um SSP

 

8" Intrinsic (100) >5,000 ohm-cm 750um SSP

 

12" P/B (100) 10-20 ohm-cm DSP 850um

 

We have plenty of silicon wafers at a low price and small quantities of partial cassettes so you can buy less than 25 wafers and as few as one Si wafer.

 

We carry a large selection of Silicon wafers with:

 

Thermal oxide wet and dry

 

Silicon nitride LPCVD and PECVD

 

Sputtered and Evaporated metals

 

 

We can custom make wafers in small quantities. We can dice them, thin them to 2um. We have undoped, low doped and highly doped Silicon substrates that are always in stock.

 

Typical Client Question regarding silicon wafers:

 

After looking at your online store, I think we might go with your cheapest silicon wafers, product ID 444. I am in a group that is working on a Senior Design Project to create a biobattery. We need a substrate to pattern with photo-lithography and subsequently deposit various precious metals on that will catalyze certain reactions and conduct electricity. If you have any advice on specific types of wafers we will need for such nano electronic devices I would be happy to know. Thanks.

 

We make nanomaterials in our lab and one approach is using electrical explosion of wires (EEW). We used one of Scott's old Si wafers (doped with B) and broke off a strip of Si that we attached to electrodes in our EEW apparatus. It worked nicely and we are looking to do the same thing with Ge (Germanium Wafer). We need a wafer that is less than 500 microns thick.

Fill out the form and receive an immediate quote. See bottom of page for recent Silicon Wafers specials.

 

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Recent Silicon Wafer FAQs

 

What is surface flatness of silicon wafer?

 

We have Ultra-Flat Silicon with the following spec

 

Prime Silicon Wafers

100mm P-type /Boron doped <1-0-0> 490-510 micron 0.005-.020 ohm-cm Semi Std Double Side Polished

Total Thickness Variation (TTV)<1 um. These are great for making SOI or MEMS!

 

What is the roughness value (rms) silicon wafer?

 

The majority of our Prime Grade wafers have a roughness value Ra<5Å .

 

What is the definition of silicon wafers?

 

A Si wafer, or substrate, or silicon is grown in a tube from a seed into a long ingot that is then sliced into various thicknesses used in electronics for the fabrication of integrated circuits and in photovoltaics. The wafer serves as the substrate for microelectronic devices built in and over the wafer and undergoes many microfabrication process steps such as doping or ion implantation, etching, deposition of various materials, and photolithographic patterning. Finally the individual microcircuits are separated (dicing) and packaged.

 

Do you sell platinised silicon wafers?

 

Yes! We sell Platinised and thin films of almost all the metals! Just let us know the specs and quantity for an immediate quote!

 

Do you sell one silicon wafer? If so, how?

 

Yes! We sell as few as one Silicon wafer. We sell in individual wafer carrier.

 

How do you clean Si 100 wafer before silicon dioxide is formed for bump production?

 

The RCA clean is a standard set of wafer cleaning steps which need to be performed before high-temperature processing steps (oxidation, diffusion, CVD) of silicon wafers in semiconductor manufacturing.

 

Werner Kern developed the basic procedure in 1965 while working for RCA, the Radio Corporation of America.[1][2][3] It involves the following chemical processes performed in sequence:

Removal of the organic contaminants (organic clean + particle clean)

Removal of thin oxide layer (oxide strip, optional)

Removal of ionic contamination (ionic clean)

 

Can you resize silicon wafers from 200mm to 100mm?

 

Yes! We can laser down the wafer so you could get two 100mm from one 200mm wafers including flats!

 

What is silicon wafer reclaim?

 

It's when you have a wafer that has thin films or oxide etc on them and we strip and clean them so the wafers can be reused.

Often companies that want to save money or protect their intellectual property will reclaim their wafers.

 

 

 

Si Wafer Quote!

 

 

 

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