★★★★★ 2
Discolored quickly
Size: 8.0in
These discolor very quickly.
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Reviewed in the United States on February 22, 2026
TGF11 SeriesAFM grating with trapezoid structures anisotropically etched in silicon The TGF calibration gratings feature one dimensional arrays of trapezoidal steps etched into a silicon substrate. The sidewalls of the structures are very smooth and planar surfaces with well defined orientation formed by the (111) crystallographic planes in monocrystalline silicon. The sidewalls and the horizontal top surfaces form an angle of 54. 74. SEM image of a TGF 11
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Your TGF11 Series orders ship within 1-2 business days.
Delivery Options:
- 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.
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Product Reviews
★★★★★ 5
Very happy with this bracelet
Size: 8.0in
I bought this for my Mom for Xmas. she loves it and it still looks great!! Very good quality and as described in description and photo
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Reviewed in the United States on February 14, 2025
★★★★★ 4
Well made
Size: 7.0in
It was exactly what she wanted, beautiful
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Reviewed in the United States on June 1, 2025
★★★★★ 5
Beautiful bracelet
Size: 7.5in
I bought this item for my granddaughter for her golden birthday. She loves it and wears it daily!
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Reviewed in the United States on December 31, 2024
★★★★★ 5
Beautiful ring
Gem Type: Created Turquoise, Ring Size: 6
The fit is perfect. I love how the shank is slightly raised above the ring.
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Reviewed in the United States on June 26, 2021
