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ANHUI CRYSTRO CRYSTAL MATERIALS Co., Ltd.
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Cylindrical Shape Piezoelectric Effect Crystals Langasite La3Ga5SiO14 LGS

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Cylindrical Shape Piezoelectric Effect Crystals Langasite La3Ga5SiO14 LGS

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Brand Name : Crystro

Model Number : CR190107-6

Certification : SGS

Place of Origin : China

MOQ : 1pc

Price : Negotiable

Payment Terms : T/T, Western Union, MoneyGram, Paypal

Supply Ability : 2000pcs per month

Delivery Time : 2-4 weeks

Packaging Details : Transparent clean box

Type : Boule/Rod/Flats

Diameter : 50mm /60mm

Length : 10mm/5mm

Polish : 10/5 ,20/10

model : CR190107-6

certification : SGS

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Piezoelectric Langasite La3Ga5SiO14 (LGS) Crystal Can be Customized

Lanthanum gallium silicate ( La2Ga5SiO14 ) is a phenomenal invention. Though langasite was initially developed as a laser crystal, it revealed a remarkable combination of piezoelectric qualities, which opened up new opportunities to use the LGS crystal in radio frequency devices. The main applications of langasite crystals now is SAW filters and SAW resonators. Experts agree that LGS is the best choice for high-efficiency broad band frequency devices because it possesses exceptional frequency-temperature characteristics, a very high index of electromechanical coupling and un unparalleled Q-factor.

Main Properties:

Crystal Structure rigonal system, group 33 a= 8.1783 c = 5.1014
Growth Method Czochralski
Hardness 6.6 Moh's
Density 5.754 g/cm3
Melt Point 1470 o C ( phase transition point: N/A)
Thermal expansion (x10-6/ oC) α 11: 5.10 α 33: 3.61
Acoustic velocity, SAW 2400 ( m/sec )
Frequency constant, BAW 1380 ( kHz/mm )
Piezoelectric coupling K2 (%) BAW: 2.21 SAW: 0.3
Inclusions N0



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