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 | α quartz |
| Frequency | 1MHz~70MHz by etching |
| Rotation | AT Cut |
| Size | Φ8mm, 10mm, 20×20mm, customized |
| Ord | Fundamental; 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 | α quartz |
| Frequency | 1MHz~70MHz by etching | Rotation | AT Cut |
| Size | Φ8mm, 10mm, 20×20mm, customized | Ord | Fundamental; 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 | Oscillator AT Cut Quartz Blanks ，Piezoelectric Wafer Quartz Blanks ，AT Cut Piezoelectric Wafer 1MHz | ||
AT Cut Quartz Blanks Used In Oscillators To Microbalances
AT-cut quartz crystals are widely used in applications ranging from oscillators to microbalances. An important characteristic of AT-cut quartz crystals is that the resonant frequency of such crystals is independent of the first-order temperature, which is desirable for mass sensing and timing applications. AT cut crystals vibrate in thickness shear mode - the applied voltage on the cutting surface generates shear stress inside the crystal. In this example, the vibration of the AT cut thickness shear oscillator is analyzed, with emphasis on the mechanical response of the system in the frequency domain. The effect of series capacitors on mechanical resonance is also analyzed. Adding series capacitors is a common technique for tuning crystal oscillators.
| 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 |
FAQs:
A: We look at ourselves as the piezo wafer specialist. We are the very first to work with Single Crystal Quartz in China about 30 years ago. Then gradually we step in the field of LiNbO3, LiTaO3, Quartz glass, LGS, CTGS etc. Especially, if you are looking for a piezo quartz supplier, we are the ultimate choice! We export millions of quartz blanks each year because we master the AT, SC and IT cuts with superior angle precision.
A: Yes, of course. We can fabricate as per your request. In addition, we are so experienced with piezo wafers that we can provide you relevant suggestions if you are not 100% sure about your choice. Besides, we do have some standard wafers in stock, please check with us.
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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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