Products

Quartz Blanks, Rings & Wafers

Quartz Blanks (Examples)
Product	Diameter [mm]	Thickness [mm]	Frequency [MHz]	Cut Angle (Theta)	Surface Quality	Flat [mm]	Remarks
AXQB5M500	12.7		5.500	35°15'	DSP	+X	BAW
AXQB5040-25.4_DSP	25.4		5.040	35°15'	DSP	Z'	QCM
AXQB3202	3.2	0.2		X-cut	DSP	-	Sensor
AXQB3205	3.2	0.5		X-cut	DSP	-	Sensor
AXQB4507	4.5	0.7		X-cut	DSP	-	Sensor
AXQB7010	7.0	1.0		X-cut	DSP	-	Sensor

Caption:
SSP = Single Side Polished. Back side fine lapped
DSP = Double Side Polished
BAW = Bulk Acoustic Wave Device
QCM = Quartz Crystal Microbalance (Monitor Crystal)

Many other sizes, cut angles & other parameters on request. Please contact AXTAL

Quartz Rings for Force, Pressure and Torque Sensors (Examples)
Product	Outer Diameter [mm]	Bore Diameter [mm]	Thickness [mm]	Cut Angle (Theta)	Surface Quality	Flat [mm]	Remarks
AXQR321205	3.2	1.2	0.5	X-cut	DSP	-
AXQR734205	73.0	42.3	0.5	X-cut	DSL	1.0
AXQR502812	50.0	28.3	1.2	X-cut	DSL	1.0
AXQR382312	38,3	22,8	1.2	X-cut	DSL	1.0
AXQR341506	34.4	15.2	0.6	X-cut	DSL	0.7
AXQR331812	32.6	18.3	1.2	X-cut	DSL	1.0
AXQR281305	28.4	13.2	0.5	X-cut	DSL	0.7
AXQR271408	26.6	14.3	0.8	X-cut	DSL	1.0
AXQR201212	20.0	11.9	1.2	X-cut	DSL	1.0
AXQR180904	18.4	9.2	0.4	X-cut	DSL	0.7
AXQR130708	12.7	7.5	0.8	X-cut	DSL	0.7
AXQR100504	10.4	4.8	0.4	X-cut	DSL	0.7

Caption:
SSP = Single Side Polished. Back side fine lapped
DSP = Double Side Polished
BAW = Bulk Acoustic Wave Device
QCM = Quartz Crystal Microbalance (Monitor Crystal)

Other sizes, cut angles & other parameters on request. Please contact AXTAL

Quartz Wafers
Product	Diameter [mm]	Thickness [mm]	Cut Angle (Theta)	Surface Quality	-X Flat [mm]	Remarks
AXQW76-0.35-38-SSP	76.2	0.35	38°	SSP	23	SAW
AXQW76-0.35-42.75-SSP	76.2	0.350	42.75°	SSP	23	SAW
AXQW76-0.35-42.75-DSP	76.2	0.350	42.75°	DSP	23	SAW
AXQW76-0.5-35-SSP	76.2	0.500	35°	SSP	23	SAW
AXQW76-0.5-38-SSP	76.2	0.500	38°	SSP	23	SAW
AXQW100-0.35-28-SSP	100	0.35	28°	SSP	23	SAW
AXQW100-0.35-35-SSP	100	0.350	35°	SSP	32	SAW
AXQW100-0.35-42.75-SSP	100	0.350	42.75°	SSP	32	SAW
AXQW100-0.35-42.75-DSP	100	0.350	42.75°	DSP	32	SAW
AXQW100-0.5-35-SSP	100	0.500	35°	SSP	32	SAW
AXQW100-0.5-38-SSP	100	0.500	38°	SSP	32	SAW
AXQW100-0.5-42.75-SSP	100	0.500	42.75°	SSP	32	SAW
AXQW100-0.5-42.75-DSP	100	0.500	42.75°	DSP	32	SAW

Caption:
SSP = Single Side Polished. Back side fine lapped
DSP = Double Side Polished
SAW = Surface Acoustic Wave Device

Other standard cut angles, including BAW: 30°, 31.5°, 32°, 33°, 35.5°, 36°, 36.5°, 37°, 45°

Thickness of 0.200 mm on request

General Parameters:

Polishing: SAW quality, < 0.5 nm(RMS), AFM
Lapping: with GC2000, R_a = 0.2 µm ~ 0.5 µm
Quartz material: Q >1.8 million, ECD < 100 channels/cm², ID Grade 2
Seed: centered along X-axis, width < 5 mm
Bevel (chamfer): 0.3x0.075 mm
Cut Angle tolerance +-5'

Other parameters on request. Please contact AXTAL