PAM XIAMEN offers black lithium Niobate wafers for Optics and SAW Components

PAM XIAMEN offers black lithium Niobate wafers for Optics and SAW Components

PAM XIAMEN offers 4″ (100mm) black lithium niobate (LiNbO3) 127.860Y-cut black wafer for Optics and SAW components

1. Dimension






Diameter/mm 100.0±0.3
Orientation Flat (OF)/mm 32.0±1.0
Second Refer. Flat (RF)/mm 10.0±3.0
Thickness/um 350±20
Edge bevel Edge rounding


2. Specification  
2.1 Orientation  
Surface – cut: 127.860Y-cut±0.30
Orientation Flat (OF) Parallel to +X Plane±0.30
Second Refer. Flat (RF) CCW1350±0.50from OF
2.2 Flatness  
TTV ≤5um
LTV ≤0.5um within an area of 5*5mm2
PLTV ≥95% (3mm from edge excluded)
BOW ≤40um
2.3 Surface Characteristics  
Propagating surface “+” side Polished Ra≤10Å
Wafer backside Lapping by GC#1000
2.4 Material Quality  
Curie temperature 1142℃±3℃
Conductivity 1×10-12~1×10-11Ω-1cm-1


Optical Grade

Item USER Requested SPEC
Cristal Type Black LN
Orientation Direction 128°Y-cut ±0.2° (real 127.86°Y)
Diameter Φ100±0.2mm
OF 32±1mm(Φ4”)
2nd  OF 12±1mm
Thickness 350±20μm
Surface Polish Mirror
Backside Polish GC #1200 (Ra 0.2~0.6um)
TTV ≤5µm
BOW ≤30µm
Curie Temperature /


For more information, please contact us email at and

Found in 1990, Xiamen Powerway Advanced Material Co., Ltd (PAM-XIAMEN) is a leading manufacturer of semiconductor material in China.PAM-XIAMEN develops advanced crystal growth and epitaxy technologies, manufacturing processes, engineered substrates and semiconductor devices.PAM-XIAMEN’s technologies enable higher performance and lower cost manufacturing of semiconductor wafer.

Quality is our first priority. PAM-XIAMEN has been ISO9001:2008, owns and shares four modern facories which can provide quite a big range of qualified products to meet different needs of our customers, and every order has to be handled through our rigorous quality system.Test report is provided for each shipment, and each wafer are warranty.

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