Quartz Blanks
Specifications
Material: Quartz Blanks（ Piezo Grade）
Materials: Both Pure Z and Y Bar available
Inclusions Density: Ia, Ib, I, II, III
Diameter/Size Tolerance(±): ±0.01 mm
Materials: Both Pure Z and Y Bar available
Inclusions Density: Ia, Ib, I, II, III
Diameter/Size Tolerance(±): ±0.01 mm
This material consists of single-crystal right-handed a-quartz artificially grown bars which is intended for use in fabrication of piezoelectric for such as timing frequency control and frequency selection under hydro-thermal condition on a seed with its length along the Y axis.
| Material | Quartz Blanks（ Piezo Grade） |
| Materials | Both Pure Z and Y Bar available |
| Synthetic Q-Value | Min 1.8×10^6, 2.4×10^6 to 3.0×10^6 IEC |
| Etch Channel Density | Max 10/c㎡, Max 30/c㎡, Max 100/c㎡, Max 100/c㎡, Max 300/c㎡; Swept |
| Inclusions Density | Ia, Ib, I, II, III |
| Cut Type | AT, BT, CT, DT, GT, NT, FC, SC, IT, …, etc |
| Angle Tolerance(±) | Theta Angle: ±5″， ±10″， ±15″， ±30″， ±1′, ±2′, … , etc |
| Phi Angle:±5′, ±10′, ±15′, ±30′, … , etc | |
| Diameter For Round Blank | From 3.0mm to 50.80mm (with flat) |
| Size For Square Blank | 1.6×1.6mm ～ 38x38mm |
| Size For SMD Blank | 1.2×2.4mm Above at Customer option |
| Diameter/Size Tolerance(±) | ±0.01 mm |
| Frequency | 1 Mhz up to 54Mhz for AT-Cut Fundamental; Upto 70Mhz By Etching |
| Flat | As request the flat shall be perpendicular to X axis within ±10 deg |
| Surface Finishing | #1000(9u); #2000(7u); #3000(5u); #4000(3u) (Sic); Polished(Cerium oxide）and & etched Std |
| Overtone | Fundamental; Third Overtone (3rd); Fifth Overtone (5th) |
| Contouring (Diopter) | Plano-Convex: 0.5 Diopter ～ 10 Diopter Bi-Convex: 10 Diopter ～ 15 Diopter |
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