Quartz blanks

Quartz blanks:

1). SC-cut

Items Specifications
Rectangular Round (plano-plano) Round (plano-convex)
ϕ range <= 25º <= 25º <= 25º
ϕ tolerance <= +/-3’ <= +/-3’ <= +/-3’
θ range 32º to 35º 32º to 35º 32º to 35º
θ tolerance <= +/-30” <= +/-30” <= +/-30”
Size 2016, 2520, 3225, 5032

Or customized

6.5-10mm

Or customized

6.5-10mm

Or customized

Size tolerance +/-0.03mm +/-0.02mm (dia.) +/-0.02mm (dia.)

+/-15mm (convex dia.)

Freq. range (fund.) 19-54MHz
Freq. range (3rd) 10M or customized 26M or customized
Freq. tolerance +/-20 to +/-50kHz <= +/-10kHz <= +/-30kHz
Roughness <= 10nm <= 15nm <= 15nm
Finish Polished/Etch Grind/Polished/Etch Grind/Polished/Etch

 

2). AT-cut

Items Specification
SMD1210 SMD1612 SMD2016 SMD2520 SMD3225 SMD4025 SMD5032 SMD6035 SMD7050 49S
Size (mm) 0.5-0.899 0.9-1.199 1.2-1.499 1.5-1.899 1.9-2.299 2.3-2.899 2.9-3.899 3.9-4.599 4.6-5.1 >7.99
Freq. (MHz) 32-80 24-80 16-80 12-80 8-80 8-80 7.372-80 7.372-80 4-80 3.579-80
Temp. range -40ºC to +125ºC
Resistor (Ω) 60-100 20-100 20-80 10-80 10-300 10-100 10-100 10-60 10-60 10-150

 

3). Z cut

Items Rectangular Round (plano-plano)
θ range 0º to 5º 0º to 5º
θ tolerance <= +/-1’ <= +/-1’
Size 38.05*38.05mm; 70*77mm 2 – 3 inches
Size tolerance +/-0.02mm +/-0.02mm (dia.)
Thickness 0.09 – 0.120mm 0.115 – 0.369mm
Thickness tolerance <= +/-0.01mm (best is +/-1µm) <= +/-0.01mm
Finish Grind/Polished Grind/Polished

 

4). HFF (High Frequency Fundamental) Inverted Mesa Blanks

Blanks Dimensions Application/Packages Frequencies
1.14×1.78mm For 3.2×1.5mm SMD 203.16 to 222.2M
3.2×1.83mm 5x7mm SMD; 3.2×5.0mm SMD; UM-1; HC-45/U 70-1300M
3.5×1.83mm 3.2×5.0mm SMD 70-700M
3.81×2.83mm 3.5×6.0mm SMD 30-350M
4.98×2.39mm 5x7mm SMD 30-700M
3.58×3.58mm

(5.08 across diagonal)

5.08mm 2 or 4-point clip mounts

UM-1, HC-45 or larger packages

30-350M
5.08mm round 5.08mm 2, 3 or 4-point clip mounts

UM-1, HC-45, Large SMD or larger packages

30-200M
3.96×3.96mm

(5.58mm across diagonal)

5.58mm 2 or 4-point clip mounts

UM-1, HC-45, Large SMD or larger packages

30-200M
5.58mm round 5.58mm 2, 3 or 4-point clip mounts

UM-1, HC_45, Large SMD or larger packages

30-200M

 

5). Based on customer’s request, we can offer others cut, eg., BT, ST, XO

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