Hefei Kejing
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| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | 1" Single-Wafer Holder |
| Pricing | Available Upon Request |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | 34A-SA |
| Price | Upon Request |
| Length | 120 mm |
| Tip Type | Flat, Precision Ground |
| Application | QCM Crystal Mounting & Electrode Handling |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Regional Classification | Domestic (China) |
| Model | A-Z Series Crystal Catalog |
| Pricing | Available Upon Request |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | A-Z Series Metal Powders |
| Pricing | Available Upon Request |
| Purity | 99.9% (3N) to 99.99% (4N) |
| Particle Size | Nanoscale (1–80 nm) and Micron-Scale (100–300 mesh) |
| Material Range | Aluminum, Silver, Copper, Iron, Titanium, Tungsten, Zinc, Nickel, Cobalt, Chromium, Bismuth, Erbium, Indium, Molybdenum, Niobium, Tantalum, Vanadium, Tin, and others |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | A-Z Series Metal Wires |
| Pricing | Available Upon Request |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | A-Z Polycrystalline Metal Substrates |
| Pricing | Available Upon Request |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Origin Classification | Domestic |
| Model | A~Z |
| Pricing | Available Upon Request |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Model | KJ-250M |
| Blade Width | 250 mm |
| Wet Film Thickness Range | 0–9500 µm |
| Micrometer Accuracy | ±2 µm |
| Blade Material | Stainless Steel with Precision-Ground Edge |
| Type | Manual Adjustable Doctor Blade Applicator |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | Ag Wire |
| Pricing | Upon Request |
| Diameter & Length Options | φ0.025 mm × 500 m |
| Packaging | Class 1000 Cleanroom-Packaged in Class 100 Clean Bags |
| Brand | Hefei Kejing |
|---|---|
| Dimensions | 500 mm × 295 mm × 15 µm |
| Purity | 99.9% (3N) |
| Density | 2.70 g·cm⁻³ |
| Packaging | Vacuum-sealed in Class 100 cleanroom bags, stored and shipped from Class 1000 cleanroom environment |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic |
| Model | Al₂O₃ + Al₀.₁Ga₀.₉N Film |
| Price | Upon Request |
| Crystal Orientation | c-axis (0001) ±1.0° |
| Conductivity Type | p-type (Mg-doped) |
| Film Thickness | 200 nm ±20 nm |
| Surface Finish (Front) | As-grown Ga-face |
| Surface Finish (Back) | As-received sapphire |
| Usable Area | >90% |
| Edge Exclusion | 1 mm |
| Packaging | Class 1000 cleanroom + Class 100 clean paper vacuum packaging or individual wafer cassette |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic |
| Model | Al2O3 Ceramic Substrate |
| Price | Upon Request |
| Purity (wt%) | 96–99.6 |
| Density (g/cm³) | >3.75 |
| Thermal Conductivity (W/m·K) | 24 |
| CTE (×10⁻⁶/°C) | <7.7 |
| Dielectric Strength (kV/mm) | >14 |
| Dielectric Constant (at 1 MHz) | 9.8 |
| Loss Tangent (×10⁻⁴ @ 1 MHz) | 4 |
| Flexural Strength (MPa) | >330 |
| Volume Resistivity (Ω·m) | >10¹³ @ 20°C, >3×10⁷ @ 500°C |
| Surface Roughness (Ra) | <0.8 nm |
| Dimensions | 2″×2″×0.5 mm |
| Packaging | Class 1000 cleanroom assembled |
| Kejing Al2O3 Crystal Substrates | Brand: Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic |
| Model | Al2O3 Crystal Substrates |
| Pricing | Available Upon Request |
| Crystal Structure | Hexagonal (α-Al₂O₃) |
| Lattice Parameters | a = 4.758 Å, c = 12.992 Å |
| Orientations | C-plane (0001), A-plane (11̄20), M-plane (10̄10), R-plane (11̄02) |
| Purity | >99.99% |
| Melting Point | 2040 °C |
| Density | 3.98 g/cm³ |
| Mohs Hardness | 9 |
| Thermal Expansion Coefficient | 7.5 × 10⁻⁶ /°C |
| Specific Heat Capacity | 0.10 cal/(g·°C) |
| Thermal Conductivity | 46.06 W/(m·K) @ 0 °C, 25.12 W/(m·K) @ 100 °C, 12.56 W/(m·K) @ 400 °C |
| Dielectric Constant | ε∥a ≈ 9.4, ε∥c ≈ 11.58 @ 300 K |
| Loss Tangent | tanδ < 2×10⁻⁵ (∥a), <5×10⁻⁵ (∥c) |
| Surface Finish | Single- or Double-Side Polished, Ra < 0.5 nm |
| Dimensional Tolerances | Orientation ±0.5°, Thickness ±0.01 mm |
| Standard Sizes | Ø2" × 0.5 mm, Ø3" × 0.5 mm, 10 × 10 × 0.5 mm, 10 × 5 × 0.5 mm |
| Packaging | Class 1000 Cleanroom Assembly, Class 100 Clean Bag or Individual Cassette |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Model | Al2-O-3 |
| Crystal Structure | Hexagonal (α-Al₂O₃) |
| Lattice Constants | a = 4.758 Å, c = 12.992 Å |
| Orientations Available | c-plane (0001), a-plane (11–20), m-plane (10–10), r-plane (1–102) |
| Purity | >99.99% |
| Melting Point | 2040 °C |
| Density | 3.98 g/cm³ |
| Mohs Hardness | 9 |
| Thermal Expansion Coefficient | 7.5 × 10⁻⁶ /°C |
| Thermal Conductivity | 46.06 W/(m·K) @ 0 °C, 25.12 W/(m·K) @ 100 °C, 12.56 W/(m·K) @ 400 °C |
| Dielectric Constant | εₐ ≈ 9.4 @ 300 K, ε꜀ ≈ 11.58 @ 300 K |
| Loss Tangent | tan δ < 2 × 10⁻⁵ (a-axis), < 5 × 10⁻⁵ (c-axis) |
| Surface Finish | Single- or double-side polished, Ra < 0.5 nm |
| Orientation Tolerance | ±0.2° |
| Standard Dimensions | Ø76.2 mm × 0.5 mm, Ø50.8 mm × 0.5 mm, 10 × 10 × 0.5 mm³, 10 × 5 × 0.5 mm³ |
| Packaging | Class 1000 cleanroom processed, sealed in Class 100 clean bags or individual substrate carriers |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic |
| Model | Al2O3-Coated GaN Epitaxial Template |
| GaN Type | n-type, Si-doped |
| GaN Thickness | 5 µm ±1 µm (c-plane, <0001>) |
| GaN Resistivity | <0.02 Ω·cm |
| Carrier Concentration | 5×10¹⁷–1×10¹⁹ cm⁻³ |
| Surface Orientation | Ga-face |
| Sapphire Miscut | 0.3° ±0.1° toward m-plane, single-side polished |
| Diameter | 4 inch (101.6 mm) ±0.25 mm |
| Packaging | Vacuum-sealed in Class 100 cleanroom bags inside Class 1000 cleanroom environment, or individual cassette packaging |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Distributor |
| Domestic Origin | Yes |
| Model | Alloy Sputtering Targets |
| Pricing | Upon Request |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic |
| Model | AlN-QCM-50.8mm |
| Price Range | USD 1–999 |
| Substrate | c-plane Sapphire (0001) ±1.0° |
| Diameter | 50.8 mm ±1 mm |
| Thickness | 10–5000 nm |
| Conductivity Type | Semi-Insulating |
| Dislocation Density | XRD FWHM <0002> < 500 arcsec, <10-12> < 1500 arcsec |
| Effective Area | >80% |
| Surface Finish | Single-Side Polished |
| Packaging | Class 1000 Cleanroom, Class 100 Clean Bag or Individual Cassette |
| Brand | Hefei Kejing |
|---|---|
| Substrate Diameter | 50.8 mm ±1 mm |
| Substrate Orientation | c-plane (0001) ±1.0° |
| Substrate Material | Al₂O₃ (sapphire) |
| Film Thickness | 10–5000 nm |
| Conductivity Type | Semi-insulating |
| Threading Dislocation Density (TDD) | XRD FWHM (0002) < 500 arcsec, XRD FWHM (10–12) < 1500 arcsec |
| Effective Area | >80% |
| Surface Finish | Single-side polished |
| Customization | Available for non-standard orientations and dimensions |
| Packaging | Class 1000 cleanroom environment |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Origin Classification | Domestic (China) |
| Model | Al Wire |
| Purity | 99.9% (3N) |
| Diameter | 2–3 mm |
| Minimum Order Quantity | 10 meters |
| Packaging | Sealed in 100-grade cleanroom bags with aluminum foil wrap, processed in ISO Class 5 (1000-grade) cleanroom environment |
| Brand | Hefei Kejing |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | AF-Si-4IN (Aluminum Film on Silicon Wafer, 4-inch diameter) |
| Thickness | 3 µm |
| Resistivity | 2.65 µΩ·cm |
| Crystal Orientation | Weak (111)-oriented polycrystalline |
| Surface Roughness (Ra) | 4.87 nm (≤10 nm) |
| Si Substrate Type | N-type |
| Si Resistivity | <0.005 Ω·cm (low-doped) or 1–10 Ω·cm (standard) |
| Si Crystal Orientation | <100> ±0.5° |
| Polish | Single-side polished |
| Packaging | Vacuum-sealed in Class 100 cleanroom bags (Class 1000 cleanroom processed) or individual wafer cassettes |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic |
| Model | BaTiO3 Single Crystal Substrate |
| Pricing | Available Upon Request |
| Crystal Structure | Tetragonal (4mm) |
| Phase Transition Temperatures | 9 °C < T < 130.5 °C |
| Lattice Parameters | a = 3.99 Å, c = 4.04 Å |
| Growth Method | Top-Seeded Solution Growth (TSSG) |
| Melting Point | 1600 °C |
| Density | 6.02 g/cm³ |
| Dielectric Constants (Free) | εₐ = 3700, ε꜀ = 135 |
| Dielectric Constants (Clamped) | εₐ = 2400, ε꜀ = 60 |
| Refractive Indices (no/ne) | 515 nm → no=2.4921, ne=2.4247 |
| Transmission Range | 0.45–6.30 µm |
| Electro-Optic Coefficients | r₁₃ = 11.7 ± 1.9 pm/V, r₃₃ = 112 ± 10 pm/V, r₄₂ = 1920 ± 180 pm/V |
| SPPC Reflectivity (0° cut) | 515 nm → 50–70% (up to 77%), 633 nm → 50–80% (up to 86.8%) |
| Two-Wave Mixing Coupling Coefficient | 10–40 cm⁻¹ |
| Absorption Loss | 515 nm → 3.392 cm⁻¹, 633 nm → 0.268 cm⁻¹, 800 nm → 0.005 cm⁻¹ |
| Standard Orientations | ⟨100⟩, ⟨001⟩ |
| Orientation Tolerance | ±0.5° |
| Typical Dimensions | 10 × 10 × 0.5 mm, 10 × 5 × 0.5 mm |
| Surface Finish | Single- or Double-Polished, Ra < 0.5 nm |
| Packaging | Class 1000 Cleanroom Assembled, Class 100 Clean Bag Sealed |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Origin Classification | Domestic |
| Model | Be Foil |
| Price Range | USD 1–999 |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic |
| Model | BGO Crystal Substrates |
| Pricing | Upon Request |
| Crystal Orientation | <100> |
| Crystal Structure | Cubic |
| Lattice Constant | a = 10.518 Å |
| Growth Method | Czochralski (Cz) |
| Melting Point | 1050 °C |
| Density | 7.12 g/cm³ |
| Mohs Hardness | 5 |
| Transmission Range | 350–5500 nm |
| Electro-Optic Coefficient r₄₁ | 1.03 × 10⁻¹² m/V |
| Refractive Index | 2.098 @ 632.8 nm |
| Excitation Peak | 305 nm |
| Emission Spectrum | 480–510 nm |
| Relative Light Output | 10–14% vs. NaI(Tl) |
| Decay Time | 300 ns |
| Critical Energy | 10.5 MeV |
| Energy Resolution @ 511 keV | 20% |
| Packaging | Class 1000 cleanroom environment |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic |
| Model | Bi12SiO20 Crystal Substrate |
| Price | Upon Request |
| Crystal Orientation | <100>, <110> |
| Crystal Structure | Cubic |
| Lattice Constant | a = 10.146 Å |
| Growth Method | Czochralski (CZ) |
| Melting Point | 930 °C |
| Density | 9.2 g/cm³ |
| Mohs Hardness | 4.5 |
| Dielectric Constant (εS₁₁/ε₀) | 42.7 |
| Dielectric Constant (εT₁₁/ε₀) | 47.5 |
| Elastic Stiffness Coefficient (×10¹¹ N/m²) | CE₁₁ = 1.33, CE₄₄ = 0.25 |
| Piezoelectric Strain Coefficient (C/m²) | e₁₄ = 1.01 |
| Transmission Range | 470–7500 nm |
| Electro-Optic Coefficient (×10⁻¹² m/V) | r₄₁ = 5 |
| Refractive Index | 2.45 @ 632.8 nm |
| Refractive Index Gradient | ≤5 ×10⁻⁵ /cm @ 632.8 nm |
| Optical Rotation | −20°/mm (left-handed) @ 632.8 nm |
| Transmittance | 69% @ 632.8 nm |
| Standard Orientations | <001>, <100> |
| Orientation Tolerance | ±0.5° |
| Typical Dimensions | 10×10×0.5 mm, 25×25×0.5 mm, 30×30×0.5 mm, 50×50×0.5 mm |
| Surface Finish | Fine-Lapped or Double-Polished |
| Packaging | Class 1000 Cleanroom Assembly, Class 100 Clean Bag or Individual Chip Carrier |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic |
| Model | Bi₂Se₂Te |
| Price | Upon Request |
| Crystal System | Hexagonal, Space Group R-3m (No. 166) |
| Lattice Parameters | a = 4.38 Å, c = 30.5 Å |
| Purity | 99.999% (5N) |
| Stoichiometric Tunability | ±5% atomic ratio control |
| Resistivity | 0.1–5 mΩ·cm |
| Carrier Mobility | 1000–5000 cm²/V·s |
| Standard Dimensions | 8 × 8 × 0.1 mm³ or 5 × 5 × 0.1 mm³ |
| Cleavage Plane | Basal (0001) |
| Packaging | Class 100 cleanroom bag, stored in Class 1000 cleanroom environment |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Origin Classification | Domestic (China) |
| Model | BP-2D-0.2mm |
| Price | Upon Request |
| Dimensions | 8 mm × 8 mm × 0.2 mm |
| Purity | ≥99.99% |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Model | PTL-MMB02-200 |
| Power Supply | 220 V, 50 Hz |
| Heating Power | 2.3 kW |
| Withdrawal Speed Range | 1–200 mm/min |
| Stroke Length | 250 mm |
| Operating Temperature Range | 80–200 °C |
| Temperature Accuracy | ±1.5 °C |
| Fuse Rating | 15 A |
| Sample Dimensions (Max) | 407 mm × 229 mm × (1–10) mm |
| Maximum Load Capacity | ≤5 kg |
| Overall Dimensions | 636 mm × 680 mm × 1520 mm |
| Warranty | 12 months (lifetime technical support) |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | PRC |
| Model | CaF₂ Crystal Substrate |
| Price | Upon Request |
| Crystal Structure | Cubic |
| Lattice Constant | 5.462 Å |
| Melting Point | 1418 °C |
| Density | 3.18 g/cm³ |
| Mohs Hardness | 4 |
| Thermal Expansion Coefficient | 18.85 × 10⁻⁶ /°C |
| Refractive Index (at 5 µm) | 1.43382 |
| Transmission Range | 0.11–12.0 µm |
| Transmission | >94% @ 5 µm, >85% @ 0.2 µm |
| Abbe Number (νd) | 0.00455 |
| dn/dT @ 0.8 µm | −10.6 × 10⁻⁶ /°C |
| Growth Method | Bridgman |
| Standard Orientations | <100>, <111> |
| Standard Dimensions | 5×5×0.5 mm, 10×10×0.5 mm, Ø25.4×0.5 mm, Ø101.6×0.5 mm |
| Surface Finish | Single-side or Double-side Polished |
| Surface Roughness (Ra) | <5 Å |
| Packaging | Class 1000 Cleanroom Assembly, Class 100 Clean Bag or Individual Protective Cassette |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | CdS Crystal Substrate |
| Price | Upon Request |
| Crystal Name | Cadmium Sulfide (CdS) |
| Growth Method | Physical Vapor Transport (PVT) |
| Crystal Structure | Hexagonal (Wurtzite) |
| Lattice Constants (Å) | a = 4.1367, c = 6.7161 |
| Density | 4.821 g/cm³ |
| Melting Point | 1287 °C |
| Specific Heat Capacity | 0.3814 J/g·K |
| Thermal Expansion Coefficient (×10⁻⁶/K) | 4.6 (∥a), 2.5 (∥c) |
| Thermal Conductivity (300 K) | 2.7 W/m·K |
| Transmission Range | 2.5–15 µm (>71% avg. transmittance) |
| Refractive Index | nₒ = 1.708, nₑ = 1.723 |
| Dimensions | 25 × 25 × 15 mm (custom orientations and dimensions available) |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | CdTe Crystal Substrate |
| Pricing | Upon Request |
| Crystal Structure | Cubic F43m, Lattice Constant a = 6.483 Å |
| Growth Method | Physical Vapor Transport (PVT) |
| Melting Point | 1047 °C |
| Density | 5.851 g/cm³ |
| Specific Heat Capacity | 0.210 J/g·K |
| Thermal Expansion Coefficient | 5.0 × 10⁻⁶ /K |
| Thermal Conductivity (300 K) | 6.3 W/m·K |
| Transmission Range | 0.85–29.9 µm |
| Refractive Index (at 10.6 µm) | 2.72 |
| Standard Orientations | <100>, <001>, <110>, <111> |
| Standard Dimensions | 5 × 5 × 0.5 mm, 10 × 10 × 0.5 mm, Ø25.4 × 0.5 mm |
| Packaging | Class 1000 Cleanroom Handling, Class 100 Clean Bag or Individual Protective Cassette |