Hangzhou Freqcontrol Electronic Technology Ltd.
| Payment Terms | T/T |
| Supply Ability | 200000 pcs / Month |
| Delivery Time | 1-4 weeks |
| Packaging Details | Cassette / Jar, put in a carton with PE foam. |
| Product | Quartz Blank |
| Material | Low temperature quartz |
| Frequency | 0.5MHz~70MHz by etching |
| Rotation | AT-Cut |
| Size | Φ10mm, 15mm, 20×20mm or customized |
| Ord | 1st Overtone; 3rd Overtone; 5th Overtone |
| Surface | #1000(9u); #2000(7u); #3000(5u); #4000(3u) (SiC); Polished(Cerium Oxide）& Etched Std |
| Dioptric | Plano-Plano, Plano-Convex, Bi-Convex |
| Brand Name | BonTek |
| Model Number | Alpha Quartz |
| Certification | ISO:9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 200000 pcs / Month |
| Delivery Time | 1-4 weeks | Packaging Details | Cassette / Jar, put in a carton with PE foam. |
| Product | Quartz Blank | Material | Low temperature quartz |
| Frequency | 0.5MHz~70MHz by etching | Rotation | AT-Cut |
| Size | Φ10mm, 15mm, 20×20mm or customized | Ord | 1st Overtone; 3rd Overtone; 5th Overtone |
| Surface | #1000(9u); #2000(7u); #3000(5u); #4000(3u) (SiC); Polished(Cerium Oxide）& Etched Std | Dioptric | Plano-Plano, Plano-Convex, Bi-Convex |
| Brand Name | BonTek | Model Number | Alpha Quartz |
| Certification | ISO:9001 | Place of Origin | China |
| High Light | Low Temperature AT Cut Quartz Blanks ，70MHz Quartz Crystal Blanks ，AT Cut Piezoelectric Wafer | ||
AT Cut Quartz Blanks Operating In Wide Temperature Range
AT cut is the most common cut, developed in 1934. The plate contains the crystal's x axis and is inclined by 35°15' from the z (optic) axis. The frequency-temperature curve is a sine-shaped curve with inflection point at around 25–35 °C. Has frequency constant 1.661 MHz⋅mm.[48] Most (estimated over 90%) of all crystals are this variant. Used for oscillators operating in wider temperature range, for range of 0.5 to 200 MHz; also used in oven-controlled oscillators.[49] Sensitive to mechanical stresses, whether caused by external forces or by temperature gradients.
| Orientation | AT-Cut, etc |
| Angle Tolerance | Theta Angle: ±5″, ±10″, ±15″, ±30″, ±1′, ±2′, …, etc. |
| Phi Angle: ±5′, ±10′, ±15′, ±30′, …, etc. | |
| Size | Round (3.0mm～8”)/ Square (1.6x1.6mm～48x48mm or larger)/ SMD (1.2x2.4mm Above) |
| Size Tolerance | ±0.01mm,+/-0.005mm, +/-0.0005mm, according to size |
| Frequency | 1 Mhz up to 54Mhz for AT-Cut Fundamental; Up to 70Mhz by Etching |
| Flat | Per requested: the flat shall be perpendicular to X axis within ±10 deg |
| Surface | #1000(9u); #2000(7u); #3000(5u); #4000(3u) (SiC); Polished(Cerium Oxide)& etched Std |
| Overtone | Fundamental; Third Overtone (3rd); Fifth Overtone (5th) |
| Dioptric | Plano-Convex: 0.5 dioptric～10 dioptric Bi-Convex: 10 dioptric～15 dioptric |
| Material | Cultured Quartz Crystal |
| Q-Value | Min 1.8x10^6, 2.4x10^6 to 3.0x10^6 IEC standards |
| ECD | Max 2 /c㎡, 10/c㎡, Max 30/c㎡, Max 100/c㎡, Max 300/c㎡; Swept Quartz |
| Inclusions | Ia, Ib, I, II, III Grades |
| Grade | Z bar, Y bar, Or Swept quartz |
Acceptance Check
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
1999
Total Annual:
800M-1500M
Employee Number:
10~99
Ecer Certification：
Verified Supplier
Founded in 1999, Hangzhou Freqcontrol Electronic Technology Ltd. is a China leading manufacturer of piezoelectric crystal wafers, substrates, components and single crystal growth. We, known as the "CQT Group" in global market, headquartered in Hangzhou, China, empowered by its manufacturin... Founded in 1999, Hangzhou Freqcontrol Electronic Technology Ltd. is a China leading manufacturer of piezoelectric crystal wafers, substrates, components and single crystal growth. We, known as the "CQT Group" in global market, headquartered in Hangzhou, China, empowered by its manufacturin...
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