Patterned Sapphire Substrates (PSS) is micro-patterned sapphire substrate used to for GaN based light emitting diodes(LEDS). The PSS reduces the dislocation density in the GaN layer, enhances the light extraction efficiency and increase LEDs’brightness.
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2inch Cplane Patterned Sapphire Substrate (PSS)
Detailed specification:
Crystal Material | 99.996%,high purity, monocrystalline Al2O3 |
Grade | Prime |
Orientation | Cplane to Mplane |
Diameter | 2 inch |
Patterned Spec | Diameter: 2.7 ± 0.15 μm; Spacing: 0.3 ± 0.15 μm; Depth: 1.75 ± 0.15 μm |
Pattern type | 3μm pitch, Cone Type |
Thickness | 430±15 μm |
Surface | SSP or DSP |
TTV/BOW/WARP | ≤ 10 μm |
Package | Class 100 clean room cleaning, vacuum packaging; 25 pieces in one cassette packaging or individual packaging |