Wafers & Substrates - Page 2 of 3

Showing 17–32 of 46 results

KBr Crystals

High purity: Through a rigorous purification process, the impurity content in KBr crystals is extremely low, which helps to improve the stability and reliability of the product.

Excellent IR transmittance: KBr crystals have extremely high transmittance in the infrared band, making them an ideal window material for infrared spectroscopy.

Good machinability: KBr crystals are easy to cut, polish, and easy to process into optical components of various shapes and sizes.

Chemical stability: KBr crystals do not react easily with most chemicals and are suitable for use in a variety of chemical environments.

Wide application prospects: Due to its unique properties, KBr crystals have important applications in many fields such as spectral analysis, infrared detection, laser technology, etc.

Applications: Spectroscopy Field, Infrared detection field, Laser Technology Field, etc.

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KCl Crystals

High purity: Through a strict purification process, the impurity content in the KCl crystal is very low, which improves the stability and reliability of the product.

Excellent optical transparency: High-purity KCl crystals exhibit good optical clarity in the visible and near-infrared bands, making them suitable for applications such as optical windows and lenses.

Good thermal stability: KCl crystals have high melting point and thermal conductivity, and can maintain stable performance in high-temperature environments.

Chemical stability: It does not react easily with most acids, alkalis and organic solvents, and is suitable for use in a variety of chemical environments.

Wide range of applications: Due to their unique properties, KCl crystals have important applications in many fields such as optics, electronics, and chemical analysis.

Applications: Optics, Electronics, Chemical Analysis Field, etc.

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LaAlO3 Substrates

Perovskite Crystal Structure: Offers a good lattice match to multiple materials with similar structures, facilitating epitaxial growth.

Wide Bandgap: Ensures high performance in electronic applications, especially at high frequencies.

Thermal Stability: Maintains integrity and performance in high-temperature environments.

Low Dielectric Loss: Suitable for high-frequency electronic applications due to minimal energy dissipation.

Applications: Electronics, Optics, Epitaxial Growth, Capacitors, Material Growth, etc.

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Langasite (LGS) Crystals and Wafers

High Electromechanical Coupling Factor: LGS crystal has an electromechanical coupling factor of 15.8%, higher than that of quartz crystal. This indicates its high efficiency in converting electrical energy into mechanical energy.

Lower Propagation Velocities: The surface acoustic wave propagation velocity in LGS crystal is much lower compared to other materials. This allows for smaller geometrical dimensions of filters operating at the same center frequency, which aligns with the trend towards denser integration of modern electronics and reduces production costs.

High Thermal Stability: Devices made from langasite crystal can operate at high temperatures up to 900°C, making them suitable for high-temperature applications.

Applications: Surface Acoustic Wave (SAW) Devices, Bulk Acoustic Wave (BAW) Devices, High-Temperature Applications, etc.

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Lithium Aluminate (LiAlO2) Crystal and Substrates

Minimal Lattice Mismatch: The lattice mismatch between LiAlO2 and GaN is only 1.4%, allowing for the growth of high-quality, defect-free III-V nitride thin films.

High Chemical Stability: LiAlO2 substrates exhibit exceptional chemical stability, enabling them to withstand high-temperature reducing atmospheres without degradation.

Direct GaN Film Growth: Single-oriented GaN films can be grown directly on LiAlO2 substrates without the need for low-temperature buffer layers, simplifying the manufacturing process and reducing costs.

Large Substrate Diameter: Kingwin Optics offers LiAlO2 substrates up to 2” in diameter, accommodating larger device sizes and increasing production efficiency.

High Surface Quality: LiAlO2 substrates from Kingwin Optics feature high surface roughness, ensuring optimal film growth and device performance.

Clean Packaging: The substrates are packaged in a clean environment to maintain their pristine surface quality and prevent contamination during storage and transportation.

Applications: III-V Nitride Thin Film Growth, High-Power Electronic Devices, Optoelectronic Devices, Research and Development, etc.

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LSAT Substrates

Mixed Perovskite Structure: Ideal for various thin film growth applications due to its stable and robust crystal structure.

Transparency and Hardness: LSAT is a transparent oxide with significant hardness, making it durable and suitable for various research and industrial applications.

Applications: Epitaxial Growth of Ferroelectric Thin Films, High-Temperature Superconductors (HTS), Epitaxial Oxides and Heterostructures, Semiconductors, etc.

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MgAl2O4 Substrates

Cubic Crystal Structure: Provides high mechanical strength and structural stability.

Wide Spectral Optical Transmittance: Exhibits optical transmittance over a wide range from UV to IR.

Low Dielectric Loss: Suitable for high-frequency applications due to minimal energy loss.

Applications: Optical and Photonic Devices, Bulk Acoustic Wave and Microwave Devices, Epitaxial Growth of III-V Nitrides, GaN Laser Diodes (LD) Cavities, etc.

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MgO Substrates

Purity and Uniformity:

The MgO crystals used in our substrates exhibit exceptional purity, ensuring consistent performance across the entire product range.

Microscopically, the majority of MgO crystals have a grain size of at most 5 μm, ensuring a uniform microstructure that enhances overall reliability.

Electrical Insulation:

With an electrical insulation resistance of at least 10^10 Ω·cm at 300°C, our MgO Substrates are ideal for electrically insulating applications.

The ceramics have a dielectric constant of at most 10 at 100 kHz, making them suitable for high-frequency circuits and devices.

Thermal Conductivity:

The substrates boast a heat conductivity of at least 0.08 cal/cm·sec·°C at normal temperature, allowing for efficient heat dissipation in demanding environments.

Resistance to Humidity:

The MgO ceramics used in our substrates demonstrate excellent resistance to humidity, ensuring long-term stability and reliability in various climate conditions.

Surface Finish:

Both sides of the substrates are polished to a surface roughness (Ra) of ≤ 0.5 nm, providing a smooth surface for high-precision applications.

Applications: Optical Devices, High-Temperature Superconductors, Magneto-Optic Films, THz Band Generators/Receivers, Semiconductor Processing, etc.

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NaCl Crystals

Exceptional Purity: Our NaCl crystals undergo rigorous purification processes to minimize impurity levels, enhancing product stability and reliability.

Optical Clarity: With minimal internal defects, our NaCl crystals exhibit excellent optical clarity, making them suitable for applications requiring high transparency.

Uniform Crystal Structure: The controlled crystallization process ensures a consistent and uniform crystal structure, enabling precise optical and physical properties.

Chemical Stability: NaCl crystals are chemically stable and resistant to degradation by most acids, alkalis, and organic solvents, ensuring long-term performance in various chemical environments.

Versatile Applications: The unique properties of NaCl crystals make them suitable for a wide range of applications, including optics, electronics, and chemical analysis.

Applications: Optics, Electronics, Chemical Analysis, etc.

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Nb:SrTiO3 Crystals and Substrates

Conductivity: The incorporation of niobium imparts conductivity to NSTO crystals, which is a significant advantage over undoped STO. This conductivity enables their use in electronic devices and thin film growth applications where electrical properties are crucial.

Structural Similarity to STO: NSTO crystals retain the excellent lattice match and physical properties of STO, making them ideal substrates for epitaxial growth of materials with Perovskite structures.

Customizable Doping Concentrations: NSTO crystals are available with various niobium doping concentrations, such as 0.05%, 0.1%, 0.5%, and 0.7%, allowing researchers and manufacturers to select the optimal doping level for their specific applications.

Versatile Film Growth Technologies: Similar to STO, NSTO substrates can accommodate diverse film growth technologies, including Magnet Sputtering, Pulsed Laser Deposition (PLD), Vaporization, MOCVD, CVD, and laser MBE.

Applications: Electronic Devices, Thin Film Growth Substrates, Optical Windows, Research and Development, etc.

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Nd:SrTiO3 Crystals and Substrates

Excellent Lattice Matching: Nd:SrTiO3 has a similar crystal structure to SrTiO3, ensuring good lattice matching with perovskite structure materials, which is crucial for epitaxial growth and device performance.

Customizable Nd Concentration: Kingwin Optics provides Nd:SrTiO3 substrates with a precise Nd concentration of 0.05%, allowing for tailored electrical and optical properties to meet specific application requirements.

Enhanced Electrical Properties: The doping of neodymium introduces conductivity to the SrTiO3 lattice, enhancing the electrical properties of the material and making it suitable for electronic and optoelectronic applications.

Structural Stability: Nd:SrTiO3 maintains the structural stability of SrTiO3, ensuring reliability and durability in various environments and applications.

Optical Transparency: The single crystal nature of Nd:SrTiO3 substrates ensures optical transparency, making them suitable for optical applications where transparency is essential.

High-Quality Substrates: Kingwin Optics’ Nd:SrTiO3 substrates are manufactured with high precision and quality control, ensuring consistent performance and reproducibility in research and industrial applications.

Applications: Electronic Devices, Thin Film Growth, Research and Development, etc.

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Optical Grade LiNbO3 Crystal Wafers

Excellent electro-optical effect: LiNbO3 has a large electro-optical coefficient, which makes it perform well in electro-optical modulators and can be used for high-speed optical signal processing and conversion.

Good nonlinear optical performance: its high nonlinear optical coefficient is suitable for optical parametric oscillators (OPOs), frequency multipliers and harmonic generators and other equipment, and can generate tunable infrared wavelengths and second harmonics.

Wide transparency range: Good transparency from ultraviolet to infrared wavelengths, especially in the range of 370~5000nm, which makes LiNbO3 crystals have a wide range of applicability in a variety of optical applications.

High mechanical and chemical stability: Ability to withstand a wide range of processing and handling processes ensures long-term stability and reliability of the device.

Customizability: The size, orientation and surface treatment of the crystal can be customized according to specific needs to meet the needs of different application scenarios.

Applications: Optoelectronics, Optical Communications, Nonlinear Optics, etc.

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Optical Grade LiTaO3 Crystal Wafers

Exceptional Optical Properties:

LiTaO3 crystal wafers exhibit high optical transparency across a wide spectral range, making them ideal for various optical applications.

They possess excellent refractive index homogeneity, ensuring precise light transmission and minimal dispersion.

Superior Thermal Stability:

LiTaO3 crystals demonstrate remarkable thermal stability, allowing for reliable operation in high-temperature environments.

This characteristic makes them suitable for applications requiring stable optical performance under varying temperature conditions.

Enhanced Piezoelectric Effect:

LiTaO3 is known for its strong piezoelectric properties, enabling efficient energy conversion between mechanical and electrical domains.

This effect is particularly useful in applications such as ultrasonic transducers and surface acoustic wave (SAW) devices.

Excellent Chemical Resistance:

The chemical stability of LiTaO3 crystal wafers ensures long-term durability and resistance to corrosion, making them suitable for harsh environments.

This property allows for extended usage in applications where exposure to chemicals is prevalent.

Versatile Processing Capabilities:

LiTaO3 crystal wafers can be easily processed and shaped using various techniques, including cutting, polishing, and thin-film deposition.

This versatility facilitates the creation of custom optical components tailored to specific application requirements.

Applications: Optical Communications, Piezoelectric Devices, Optical Instrumentation, Harsh Environment Applications, etc.

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Potassium Tantalate (KTaO3) Crystals and Substrates

Versatile Transmission Range: Effective across a broad spectrum, from UV to IR, enhancing its utility in optical and electronic applications.

High Dielectric Constant: Benefits applications requiring high-performance capacitors and other dielectric devices.

Ferroelectric and Piezoelectric Properties: Enables advanced functionalities in memory devices, sensors, and actuators.

High Melting Point: Ensures stability and durability in high-temperature applications.

Applications: Ferroelectric Devices, Substrates for Thin Film Growth, Optical Components, Capacitors and Microwave Devices, Waveguides, Sensors and Actuators, etc.

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Sapphire (Al2O3) Substrates and Wafers

Versatility: Sapphire Wafers and Substrates are suitable for a wide range of applications, including III-V and II-VI compound thin film growth for semiconductors, Light Emitting Diodes (LEDs), high-temperature superconducting (HTSC) thin films, Microelectronic ICs (Silicon on Sapphire Integrated Circuit, SOS), Hybrid Microelectronic applications, and ferromagnetic/ferroelectric thin film growth.

Uniform Dielectric Constants: A-plane Sapphire Substrates and Wafers offer uniform dielectric constants and high electrical insulation, making them suitable alternatives for Hybrid Microelectronic applications, including HIC and MCM.

High-Speed Silicon On Sapphire (SOS): R-plane Sapphire Substrates and Wafers are ideal for the hetero-epitaxial deposition of silicon for Microelectronic ICs, enabling high-speed performance.

MOCVD Growth: C-plane Sapphire Substrates and Wafers are mainstream options for Metal Organic Chemical Vapor Deposition (MOCVD) growth of a series of III-V and II-VI compound thin films, including GaN, AlN, AlGaN, and InGaN, used in manufacturing blue, violet, and white light-emitting diodes (LEDs) and blue laser diodes (LDs).

Ferroelectric Thin Film Growth: C-plane Sapphire Substrates and Wafers are also suitable for the growth of ferroelectric thin films, such as (Pb, La)(Zr, Ti)O3 (PLZT), making them candidates for manufacturing new functional electronics.

Ferromagnetic Thin Film Growth: M-Plane Sapphire Substrates and Wafers are competent in the ferromagnetic thin film growth of Mn1−xS and other materials, making them suitable for applications such as solar-blind ultraviolet detection.

Applications: Semiconductors, Light Emitting Diodes (LEDs), High-Temperature Superconductors, Microelectronic ICs, Hybrid Microelectronic Applications, Functional Electronics, etc.

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SAW Grade LiNbO3 Wafers

Superior Piezoelectric Performance: Leveraging the outstanding piezoelectric effect of LiNbO3, our SAW wafers efficiently convert electrical signals into mechanical waves (surface acoustic waves) and vice versa, underpinning the operation of SAW devices.

High Optical Homogeneity: Ensuring stability and reliability in optical applications, our wafers exhibit exceptional optical homogeneity, crucial for precise control of lightwave propagation characteristics.

Broad Transmission Range: With a wide transmission range spanning from the visible to infrared spectrum, our SAW Grade LiNbO3 Wafers cater to diverse optical and optoelectronic device requirements.

Significant Electro-Optic and Acousto-Optic Coefficients: These notable coefficients enable advanced applications such as electro-optic modulation and acousto-optic deflection, expanding the utility of our wafers beyond SAW devices.

Stable Chemical and Physical Properties: Featuring high melting and Curie temperatures, robust mechanical strength, and resistance to moisture absorption, our wafers guarantee long-term stability even in harsh environments.

Applications: Communications, RFID Technology, Sensor Technology, Optics & Optoelectronics, etc.

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