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Windows optical for light-emitting diodes – Institut monokristallov NAN Ukrainy (Institute for Single Crystals), GP | all.biz
Buy Windows optical for light-emitting diodes
Windows optical for light-emitting diodes

Windows optical for light-emitting diodes

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Ukraine, Kharkov
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+380 
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Description

Windows optical and preparations with a diameter from 10 to 350 mm and up to 40 mm thick.


Specification
Sizes, mm Diameter is up to 350, thickness is up to 40
Accuracy of production, mm
on overall dimensions
on thickness

± 0,05
± 0,05
Blocks, doubles, the twinning layers and cracks, inclusions seen in the polarized light
Are not allowed
Planeness ≤ 2-3 λ on length of 25 mm (λ = 633 nanometers)
Roughness of the polished surface (Ra), Å From 2 to 100
Quality of the polished surface according to the USA MIL-0-13830 standard
S/D-80/50, 60/40, 40/20, 20/10
Transmission coefficient ():
Visible and IK-area of a range (to 4,5 microns)
UF-area of a range (0,2 microns)

85-87
70
Internal tension, kg/mm2 ≤ 2
Crystallographic orientation
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Windows optical for light-emitting diodes
Windows optical for light-emitting diodes
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