参考价栻/p>面议
型号
声学级铌酸锂晶体品牌
上海光学产地
上海样本
暂无纯度9/p>-
目数9/p>-
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铌酸锂(LN)晶体具有优良的压电、电光、声光、非线性等性能。在民用领域有着广泛的用途,随着光电技术的发展 LN晶体还是较好的压电晶体,能用于制作中低频SAW滤波器,大功率耐高温的超声换能器等、/span>
项目 | ?/span> | 栻/span> |
1 | 铌酸锂基片和晶体 | Φ2″Y轴Z轴X轳/span> |
2 | 铌酸锂基片和晶体 | Φ2?4°Y-X |
3 | 铌酸锂基片和晶体 | Φ2?28°Y-X |
4 | 铌酸锂基片和晶体 | Φ3″Y轴Z轳/span> |
5 | 铌酸锂基片和晶体 | Φ3?4°Y-X |
6 | 铌酸锂基片和晶体 | Φ3?28°Y-X |
7 | 铌酸锂基片和晶体 | Φ4″Y轴Z轳/span> |
8 | 铌酸锂基片和晶体 | Φ4?4°Y-X |
9 | 铌酸锂基片和晶体 | Φ4?28°Y-X |
基本性质'/span>Basic Properties(/span>
晶体结构 Crystal Structure |
Trigonal, point group3m |
晶格常数 Lattice Parameters |
a=5.148, c=13.863 |
密度 Density |
4.64g/cm3 |
熔点 Melting Point |
1250ℂ/span> |
居里温度 Curie Point |
1142±2ℂ/span> |
硬度 Mohs Hardness |
5 |
介电常数 Dielectric Constant |
ε11/ε0=85; ε33/ε0=29.5 |
电阻系数Thermal Conductivity |
38W/m/℃at25ℂ/span> |
热膨胀系数 Thermal Expansion Coefficient |
a1=a2=2×10-6/? a3=2.2×10-6/℃at25ℂ/span> |
压电常数 Piezoelectric Strain Constant |
d22=2.04×10-11C/N,d33=0.6×10-11C/N,d15=7X10-11C/N+/span>d31=-0.1X10-11C/N |
Elastic Stiffness Constant |
C11E=2.04×1011N/m2,C33E=2.46×1011N/m2, |
声表面波级铌酸锂晶片'/span>SAW Grade LiNbO3Wafer(/span>
轴向 Orientation |
64°rot.Y-cut ± 0.2° |
127.86°rot.Y-cut ± 0.2° |
Y-cut ± 0.2° |
直径 Diameter |
76.2mm±0.3mm 100.0mm±0.3mm |
76.2mm±0.3mm 100.0mm±0.3mm |
76.2mm±0.3mm 100.0mm±0.3mm |
基准靡/span> Orientation Flat (OF) |
22mm±2mm 22mm±2mm Perpendicular to X ± 0.2° |
22mm±2mm 22mm±2mm Perpendicular to X ± 0.2° |
22mm±2mm 22mm±2mm Perpendicular to X ± 0.2° |
第二参考面 Second Refer. Flat (RF) |
10mm±3mm Cw180° ± 0.5° from OF |
10mm±3mm Cw225° ± 0.5° from OF |
10mm±3mm Cw270° ± 0.5° from OF |
厚度 Thickness |
500um ± 20um 350um ± 20um |
500um ± 20um 350um ± 20um |
500um ± 20um 350um ± 20um |
传播表面 Propagating surface |
? side Ra 8 |
? side Ra 8 |
? side Ra 8 |
晶片背面 Wafer backside |
GC#1000lapped & etched 0.2um≤Ra?.7um |
GC#1000lapped & etched 0.2um≤Ra?.7um |
GC#1000lapped & etched 0.2um≤Ra?.7um |
TTV |
10um |
||
LTV |
2.0um within an area of5×5mm2 |
||
PLTV |
95% (3mmfrom edge excluded) |
||
BOW |
-25um Bow +25um |
||
居里温度 Curie Temperature |
1142ℂ/span>±3ℂ/span>(DTA method) |
||
边缘倒角Edge Beveling |
Edge rounding |
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