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 | Cultured Quartz Crystal |
| Thickness / Frequency | 1MHz~70MHz, 0.2mm, 0.35mm, 0.5mm |
| Orientation | ST-cut, AT-cut |
| Diameter | Φ3inch, 4inch, 6inch |
| Dimension | Φ8mm, 10mm；20×20mm etc. |
| Ord | Fundamental; 3rd Overtone; 5th Overtone |
| Surface | Polish, Lap, Etch |
| Dioptric | Plano-Convex: 0.5 dioptric～10 dioptric Bi-Convex: 10 dioptric～15 dioptric |
| Brand Name | BonTek |
| Model Number | Single Crystal Quartz |
| Certification | ISO:14001 |
| 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 | Cultured Quartz Crystal | Thickness / Frequency | 1MHz~70MHz, 0.2mm, 0.35mm, 0.5mm |
| Orientation | ST-cut, AT-cut | Diameter | Φ3inch, 4inch, 6inch |
| Dimension | Φ8mm, 10mm；20×20mm etc. | Ord | Fundamental; 3rd Overtone; 5th Overtone |
| Surface | Polish, Lap, Etch | Dioptric | Plano-Convex: 0.5 dioptric～10 dioptric Bi-Convex: 10 dioptric～15 dioptric |
| Brand Name | BonTek | Model Number | Single Crystal Quartz |
| Certification | ISO:14001 | Place of Origin | China |
| High Light | Round Cut Quartz Crystal Blanks I ，AT SC Custom Cut Quartz Crystals ，Double Rotation Quartz Crystal Blanks | ||
AT ST Cut Quartz Crystal Round Blanks and Wafer
Piezoelectric materials exhibit a directionally related electric charge when subjected to pressure and conversely the application of an electric charge causes a directionally related force to be generated within the material. The application of an alternating electric field will cause the material to vibrate and subsequently mechanically resonate. The frequency of any mechanical resonance is determined by the physical dimensions of the material, the ‘cut angle’ with respect to the crystalline axis of the original mono crystalline crystal, the ambient temperature and any modifying effects of associated mechanical or electrical components.
The properties of crystallised quartz include its high chemical and mechanical stability and a low temperature coefficient, resulting in a small change in resonant frequency for any change in ambient temperature, together with a very high Q at resonance. It occurs naturally and all early experimental work was carried out using natural crystallised quartz.
| Orientation | AT, SC, IT,…, 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 |
| Swept | 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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