


Clean Room Packed Ultra-Flat Silicon Wafers
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Clean Room Packed Ultra-Flat Silicon WafersUltra Flat 4" Silicon Wafers 21610 4 Ultra Flat 4" Silicon Wafer Ultra Flat 4" Silicon Wafer for demanding substrate studies. Can also be used as substrate for AFM or SEM samples by dicing the wafer into smaller pieces using a Scriber and the Wafer Cleaving Glass Breaking Pliers. The 4" ultra flat silicon wafer is shipped in a 4" Wafer Carrier. Properties for 4" (100mm) Ultra Flat Wafer: Orientation: <100> Type Dopant: P Boron Grade: Prime CZ Virgin
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- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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★★★★★ 5
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Size: 10, Color: Cognac
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Reviewed in the United States on May 20, 2026
★★★★★ 5
Beautiful shoe but too narrow
Size: 10 Wide, Color: Navy Grainy Leather
Too narrow
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★★★★★ 5
Looks good feels good
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Reviewed in the United States on April 8, 2026
★★★★★ 4
Very narrow
Size: 10 Wide, Color: Cognac
Run narrow. For very narrow feet. Wide width fits like a regular width.
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Reviewed in the United States on February 9, 2026
★★★★★ 5
Comfortable Shoes Right Out of the Box
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I bought these shoes for my husband. He has a very hard time finding quality, comfortable shoes. These shoes are just as comfortable as his New Balance. He uses them as a dress shoe and wears them at least once a week. There was no break in period necessary. They were comfortable right out of the box! The only thing we didn't like was the white sole color. Once I knew he was going to keep them, I used a black sharpie marker to color the soles black. Instant amazing, comfortable dress shoes. They were well worth the cost. If you or your SO needs a comfortable pair of shoes, we highly recommend them.
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