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If you enjoy the nicotine high, you might remember when cheap disposable E-cigarettes were available at gas stations next to the chewing gum. Because they were designed to reduce the desire for... more7 reasons to why vapers switch to disposable vapes?
If you enjoy the nicotine high, you might remember when cheap disposable E-cigarettes were available at gas stations next to the chewing gum. Because they were designed to reduce the desire for nicotine, these bars contained the E liquid.
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R plane(1-102) sapphire wafers are preferred for the hetero-epitaxial deposition of silicon used in microelectronic... moreR-PLANE (1-102) SAPPHIRE WAFERS
R plane(1-102) sapphire wafers are preferred for the hetero-epitaxial deposition of silicon used in microelectronic IC applications. R plane is the non-polar plane of sapphire. So the different positions of R-plane in sapphire devices, the mechanical, thermal, electrical and optical properties of sapphire devices will vary greatly, which will also affect the subsequent processing performance, processing efficiency and processing yield of sapphire devices.
In order to make the crystal structure of sapphire ingot and subsequent sapphire products consistent, the more common method is to process an A-direction surface on the sapphire ingot as the flat orientation of sapphire wafer (subsequent sapphire products), so that the R-direction position of sapphire ingot and the wafer is consistent.
Specifications of R-Plane (1-102) Sapphire Wafers
Item 2 -inch R-plane(1-102) 430μm Sapphire Wafers
Crystal Materials 99,999%, High Purity, Monocrystalline Al2O3
Grade Prime, Epi-Ready
Surface Orientation R-plane(1-102)
Diameter 50.8 mm +/- 0.1 mm
Thickness 430 μm +/- 25 μm
Primary Flat Orientation 45 +/- 1deg. counter-clockwise from C-axis projection on R-plane
Primary Flat Length 16.0 mm +/- 1.0 mm
Single Side Polished Front Surface Epi-polished, Ra < 0.5 nm (by AFM)
(SSP) Back Surface Fine ground, Ra = 0.8 μm to 1.2 μm
Double Side Polished Front Surface Epi-polished, Ra < 0.5 nm (by AFM)
(DSP) Back Surface Epi-polished, Ra < 0.5 nm (by AFM)
TTV < 10 μm
BOW < 10 μm
WARP < 10 μm
Cleaning / Packaging Class 100 cleanroom cleaning and vacuum packaging,
25 pieces in one cassette packaging or single piece packaging.
Note: Custom sapphire wafers with any orientation and any thickness can be provided. less
Choose R-plane (1-102) sapphire wafers from Cryscore. R plane(1-102) sapphire wafers are preferred for the hetero-epitaxial deposition of silicon used in microelectronic IC applications. Make an inqury!