With ready-to-ship wafers and made-to-order solutions, we supply global fabs and universities with quality, speed, and expertise.
Browse ProductsWe combine decades of experience, strong global partnerships, and in-house slicing and polishing to deliver wafers that meet even the most demanding specifications.
Hundreds of standard wafer specifications, alongside uncommon orientations and ultra-flat wafers, ship same day from New Jersey.
With a large inventory of silicon ingots, in-house slicing and polishing, and advanced metrology including our ADE 9500, capable of measuring thousands of points across each wafer, we can produce wafers to specifications that are difficult to source off the shelf. Our global partners also provide custom FZ and CZ ingots, silicon wafers, and other semiconductor materials.
Discover a broad portfolio of wafers and advanced materials across silicon, compound semiconductors, and specialty substrates.
100–300 mm · n/p type · CZ & FZ
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Epitaxial layers · device-grade
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FZ & CZ · n & p · full lengths
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Diced wafers · custom geometry
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Wafers & ingots · IR / solar / III-V
Browse Products
GaN (Gallium Nitride) · GaAs (Gallium Arsenide) · GaP (Gallium Phosphide) · GaSb (Gallium Antimonide) · InAs (Indium Arsenide) · InP (Indium Phosphide) · InSb (Indium Antimonide)
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Silicon-on-Sapphire · RF / radiation-hard
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4H & 6H · semi-insulating · power
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Silicon-on-Insulator · BOX layera
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Silica (Fused Quartz) · Quartz (monocrystalline) · Sapphire · Piezoelectric · Other Crystal Substrates · Other Electronic Materials · Solar Cells & Wafers · Wafer Shippers & Carriers
Browse ProductsTake advantage of special pricing on select wafers and materials, available for a limited time.
All ingots: Oxygen < 1×10¹⁶ a/cm³ · Carbon < 1×10¹⁶ a/cm³
| Item # | Weight | Diameter | Length | Type | Price/Kg |
|---|---|---|---|---|---|
| #IR37s | 6.300 Kg | 8" (205.0 mm) | 82 mm | p-type Si:B [100] | $1,400.00 |
| #IR37r | 5.800 Kg | 8" (205.6 mm) | 75 mm | n-type Si:P [100] | $1,400.00 |
| #IR37q | 10.50 Kg | 8" (205.4 mm) | 136 mm | n-type Si:P [100] | $1,180.00 |
| #IR37p | 10.11 Kg | 8" (203.8 mm) | 133 mm | n-type Si:P [100] | $500.00 |
| #IR37o | 4.380 Kg | 6" (157.0 mm) | 97 mm | p-type Si:B [100] | $1,400.00 |
| #IR37n | 15.11 Kg | 6" (153.6 mm) | 350 mm | p-type Si:B [100] | $580.00 |
| #IR37m | 4.230 Kg | 6" (154.4 mm) | 97 mm | n-type Si:P [100] | $1,180.00 |
| #IR37l | 8.770 Kg | 6" (154.1 mm) | 202 mm | n-type Si:P [100] | $500.00 |
| #IR37k | 11.33 Kg | 6" (153.0 mm) | 264 mm | n-type Si:P [100] | $500.00 |
| #IR37j | 7.180 Kg | 5" (126.8 mm) | 244 mm | p-type Si:B [110] | $1,140.00 |
| #IR37i | 3.290 Kg | 5" (128.5 mm) | 109 mm | n-type Si:P [111] | $1,180.00 |
| #IR37h | 7.530 Kg | 5" (127.0 mm) | 255 mm | n-type Si:P [100] | $500.00 |
| #IR37g | 8.590 Kg | 4" (103.2 mm) | 441 mm | p-type Si:B [111] | $1,460.00 |
| #IR37f | 4.130 Kg | 4" (103.7 mm) | 210 mm | p-type Si:B [110] | $1,180.00 |
| #IR37e | 7.420 Kg | 4" (104.1 mm) | 374 mm | n-type Si:P [100] | $700.00 |
| #IR37d | 6.880 Kg | 4" (104.1 mm) | 347 mm | n-type Si:P [100] | $500.00 |
| #IR37c | 3.730 Kg | 4" (104.1 mm) | 188 mm | n-type Si:P [100] | $500.00 |
| #IR37b | 2.050 Kg | 3" (78.5 mm) | 182 mm | n-type Si:P [111] | $500.00 |
| #IR37 | 3.050 Kg | 2" (64.9 mm) | 396 mm | n-type Si:P [111] | $500.00 |
All ingots: Oxygen < 1×10¹⁸ a/cm³ · EPD < 10/cm³
| Item # | Weight | Diameter | Length | Type | Price/Kg |
|---|---|---|---|---|---|
| #IQ87 | 19.95 Kg | 12" (309 mm) | 114 mm | n-type Si:P [100] | $120.00 |
| #IQ87b | 14.75 Kg | 8" (205 mm) | 192 mm | n-type Si:P [100] | $120.00 |
| #IQ87c | 14.91 Kg | 8" (205 mm) | 194 mm | n-type Si:P [100] | $120.00 |
| #IQ87d | 7.830 Kg | 8" (207 mm) | 100 mm | n-type Si:P [100] | $120.00 |
| #IQ87e | 14.06 Kg | 8" (205 mm) | 183 mm | p-type Si:B [100] | $120.00 |
| #IQ87f | 11.91 Kg | 8" (205 mm) | 155 mm | p-type Si:B [100] | $120.00 |
| #IQ87q | 15.46 Kg | 6" (155 mm) | 351 mm | p-type Si:B [100] | $120.00 |
| #IQ87g | 5.980 Kg | 6" (157 mm) | 133 mm | n-type Si:P [100] | $120.00 |
| #G207 | 12.80 Kg | 6" | 317 mm | n-type Si:As [100] | $90.00 |
| #IQ87h | 7.673 Kg | 5.4" (139 mm) | 217 mm | p-type Solar Si:B [100] | $120.00 |
| #IQ87i | 9.406 Kg | 5.4" (139 mm) | 266 mm | p-type Solar Si:B [100] | $120.00 |
| #IQ87j | 6.950 Kg | 5" (130 mm) | 225 mm | n-type Si:P [111] | $120.00 |
| #X207 | 11.01 Kg | 5" | 380 mm | n-type Si:As [100] | $90.00 |
| #IQ87k | 5.660 Kg | 4" (105 mm) | 279 mm | n-type Si:P [100] | $160.00 |
| #IQ87l | 1.780 Kg | 4" (108 mm) | 83 mm | p-type Si:B [111] | $160.00 |
| #IQ87m | 7.100 Kg | 4" (100.6 mm) | 383 mm | p-type Si:B [110] | $180.00 |
| #IQ87n | 2.230 Kg | 4" (101.6 mm) | 118 mm | p-type Si:B [100] | $160.00 |
| #IQ87o | 7.140 Kg | 4" (100.5 mm) | 386 mm | p-type Si:B [100] | $160.00 |
| #IQ87p | 4.600 Kg | 3" (76.5 mm) | 429 mm | p-type Si:B [100] | $160.00 |
Special pricing is available for full ingots as specified, F.O.B. Ridgefield Park, NJ with a typical lead time of 3–5 weeks ARO (subject to confirmation at the time of order). Pricing is subject to adjustment based on applicable tariff changes, and additional inventory may be available upon request.
We align our materials, processes, and support around your exact requirements so you can move forward with confidence, whether you need standard wafers or highly specialized solutions.
We begin with raw silicon that is refined into ultra-high-purity material. This removes nearly all impurities and creates the foundation for reliable electrical performance.
The purified silicon is melted and carefully formed into a single continuous crystal (an ingot). This step defines the structural integrity of every wafer that follows.
The silicon ingot is precisely cut into ultra-thin wafers using diamond wire saws. Each slice must meet strict requirements for uniformity and thickness.
Each wafer is polished to an ultra-flat, mirror-like surface and then cleaned and inspected to ensure it meets exacting quality standards.
Not every application is the same—which is why El Cat specializes in custom wafer solutions tailored to specific performance needs. We customize:
We needed a very specific substrate configuration for a prototype project and couldn’t find it through our usual suppliers. EL-CAT not only sourced it quickly, but helped us refine the specs to ensure compatibility. Turnaround was faster than expected and the quality was exactly what we needed.
EL-CAT has become one of our most reliable suppliers for both standard wafers and specialty materials. The ability to move between off-the-shelf inventory and custom orders without switching vendors has streamlined our entire procurement process.
What stands out most is their responsiveness and technical understanding. We’ve worked with them on multiple custom wafer requests, and they’ve consistently delivered materials that meet very tight specifications without delays or back-and-forth confusion.
Two ways to move forward — pick the one that fits where you are.
