Precision Piezoelectric & Optical Substrates

Manufacturer of Lithium Niobate, Lithium Tantalate, Quartz Wafers, Glass Substrates, and Scintillation Crystals for SAW, RF, Optical, and Sensor Applications.

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About Hangzhou Freqcontrol

Splitting up from the former China National Scientific Instrument and Materials Company in 1999, Hangzhou Freqcontrol Electronic Technology Ltd. is a leading Chinese manufacturer specializing in piezoelectric crystals, surface acoustic wave (SAW) products, and high-purity single crystal substrates.

Our Mission

Our primary goal is to be a reliable primary microelectronics substrates supplier in today’s world. We are committed to delivering high-quality piezoelectric and optical materials that meet the stringent demands of telecommunications, time and frequency control, medical sensors, and advanced optical systems.

Global Reach

Since 1999, we have been custom fabricating a wide variety of piezoelectric materials and substrates for industries and research institutions worldwide. Our products are exported to North America, Europe, Japan, and Southeast Asia.

Our Product Range

High-precision piezoelectric, optical, and sensor-grade substrates engineered for performance and reliability.

Lithium Niobate Wafers

• Optical & SAW Grade
• Stoichiometric & MgO-doped
• Black LiNbO₃ & LNOI Substrates
• High Curie temperature
• Ideal for modulators & filters

Lithium Tantalate Wafers

• SAW & Optical Grade
• Fe-doped variants
• Black LiTaO₃
• Low dielectric loss
• High electromechanical coupling

Quartz Wafers

• Single Crystal Quartz
• Optical Grade & Blanks
• AT, BT, CT cuts available
• High Q-factor
• Frequency control applications

Glass Substrates

• Fused Silica & Quartz
• Corning 7980
• OHARA SK1300
• Schott Borofloat 33
• Low thermal expansion

Scintillation Crystals

• Yttrium Silicate Lutetium (LYSO)
• Tellurium Oxide (TeO₂)
• High light yield
• Fast decay time
• Medical & radiation detection

Sensor Transducers

• Bio Sensors
• Force Transducers
• Monitor Crystals
• Piezoelectric response
• High sensitivity

Crystal Units

• SAW Filters
• RF & IF Filters
• SAW Resonators
• Frequency stability
• Miniaturized packaging

Thermoluminescent Dosimeters

• LiF (Mg,Cu,P)
• Radiation monitoring
• Reusable & accurate
• Medical & industrial use
• Wide dose range

Custom Fabrication Services

Since 1999, we have been custom fabricating a wide variety of piezoelectric materials and products for industry and individuals worldwide. Our advanced facilities support full process control from crystal growth to final polishing and inspection.

• Crystal orientation & slicing
• Lapping and polishing (Ra < 0.5 nm)
• Edge rounding and chamfering
• Laser marking and packaging
• Full metrology and QA reports

Request a Quote

Why Choose FreqControl?

High Quality Control

ISO-compliant processes with full traceability and inspection at every stage.

Global Export

Serving clients in North America, Europe, Japan, and Southeast Asia.

Technical Expertise

25+ years of experience in crystal growth and substrate processing.

Fast Turnaround

Efficient production flow with rapid prototyping and delivery.

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