Quartz Crystal Microbalance
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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 | 3T analytik |
|---|---|
| Origin | Germany |
| Model | qCell |
| Configuration | Single-channel (dual- and 4-channel optional) |
| Temperature Control | None (Peltier module not integrated |
| Fluid Handling | Manual or optional peristaltic pump |
| Detection Mode | Simultaneous frequency (Δf) and dissipation (ΔD) monitoring |
| Software | qGraph v5.x |
| Compliance | CE-marked, ISO 9001–certified manufacturing |
| Pricing Range | USD 28,000 – 72,000 (FOB Hamburg) |
| Brand | 3T analytik |
|---|---|
| Origin | Germany |
| Model | qCell T eChem |
| Channel Configuration | Single-channel |
| Measurement Modes | Frequency (Δf) and Dissipation (ΔD) |
| Temperature Control | Peltier-driven, ±0.1 °C stability |
| Fluid Handling | Integrated programmable peristaltic pump |
| Software | qGraph qCell T (data acquisition, temperature & flow control), compatible with Metrohm Autolab Nova™ for electrochemical control |
| Compliance | Designed for GLP-compliant environments |
| Brand | 3T analytik |
|---|---|
| Origin | Germany |
| Model | qCell μOpto |
| Application | QCM-D with real-time optical microscopy coupling |
| Temperature Control | Peltier-driven |
| Fluid Handling | Integrated peristaltic pump |
| Sample Throughput | Up to 8 independent channels (optional auto-sampler) |
| Compliance | Designed for GLP-compliant workflows, compatible with ISO/IEC 17025 traceability frameworks |
| Brand | 3T analytik |
|---|---|
| Origin | Germany |
| Model | qCell T |
| Measurement Principle | Piezoelectric Resonance (5–25 MHz fundamental frequency) with Dual-Parameter Tracking (Frequency Δf and Energy Dissipation ΔD) |
| Temperature Control | Peltier-based, ±0.1 °C stability |
| Fluid Handling | Integrated peristaltic pump (flow rate adjustable 0.01–2.0 mL/min) |
| Data Acquisition | Real-time, up to 100 Hz sampling rate |
| Chip Compatibility | Standard 5 MHz AT-cut quartz sensors (Ø 14 mm), gold-coated or custom electrode configurations |
| Software | qGraph v5.x (Windows-based, audit-trail enabled, FDA 21 CFR Part 11 compliant modules available) |
| Compliance | CE-marked, ISO 9001 certified manufacturing, GLP-ready architecture |
| 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 |
| 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 | 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 | AWSensors |
|---|---|
| Origin | Spain |
| Model | QCM-D |
| Channel Options | 1-channel or 4-channel modular system |
| Sensor Interface | AT-cut quartz crystals with Cr/Au/Ti electrodes |
| Cell Design | Patented quick-lock mechanism with FFKM or PDMS sealing |
| Measurement Modes | Static (Batch) and dynamic flow-through (Flow) |
| Software Platform | AWSensors Control & Analysis Suite |
| Compliance Framework | Designed for GLP-compliant data integrity |
| Optional Modules | Temperature control unit (±0.1 °C stability), precision flow control unit (integrated dual-position, six-port valve with degassing module), potentiostat integration for electrochemical QCM (EQCM) |
| 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 | 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 |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | CHI400C |
| Pricing | Available Upon Request |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | CH154-SA |
| Price | Upon Request |
| Length | 120 mm |
| Tip Opening Diameter | 2.6 mm |
| Tip Geometry | Vertical Alignment |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Origin Classification | Domestic |
| Model | Cr Foil |
| Price Range | USD 0.15 – 1,500 (FOB) |
| Dimensions | 200 mm × 100 mm × 0.1 mm |
| Thickness Tolerance | ±5 µm |
| Average Surface Roughness (Ra) | < 0.3 nm |
| Grain Structure | As-deposited, non-annealed |
| Particle Size Distribution | 10–50 µm (nominal, per metallurgical cross-section analysis) |
| Packaging | Vacuum-sealed in Class 100 cleanroom bags, stored and shipped under inert gas (N₂ or Ar) atmosphere |
| Compliance | ASTM F1357-22 (Standard Specification for High-Purity Chromium Metal), ISO 80000-4:2019 (Quantities and units — Part 4: Mechanics) |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Origin Classification | Domestic (PRC) |
| Model | Co Foil |
| Price Range | USD 0.15–1,500.00 (per piece, volume-dependent) |
| Thickness | 0.01–1.0 mm |
| Packaging | Vacuum-sealed in Class 100 cleanroom bags, stored and shipped under Class 1000 cleanroom conditions |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | Cu Foil |
| Price Range | USD 0.15 – 1,500 (per piece, depending on dimensions and purity grade) |
| Color | Metallic copper-red |
| Electrical Conductivity | 97% IACS at 20 °C |
| Thickness | 25 µm (standard), customizable from 10–100 µm |
| Density | 8.94 g·cm⁻³ |
| Vickers Hardness | 80 HV |
| Tensile Strength (Longitudinal) | 280 MPa |
| Elongation | 3–8% |
| Resistivity | ≤0.017165 Ω·mm²/m |
| Net Weight (150 mm × 150 mm × 25 µm) | ~5 kg per pack |
| Dimensions (Standard) | 150 mm × 150 mm × 25 µm |
| Packaging | Vacuum-sealed in Class 100 cleanroom bags, shipped in Class 1000 cleanroom environment |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | Cu Foil |
| Price Range | USD 0.15–1,500 (based on size, thickness, and packaging grade) |
| Diameter Options | 25.4 mm (1"), 50.8 mm (2"), 76.2 mm (3") |
| Thickness Range | 50 µm (minimum) to 1 mm (standard) |
| Purity | 99.99% (4N) |
| Packaging | Vacuum-sealed in Class 100 cleanroom bags, stored and shipped under inert atmosphere (N₂ or Ar) |
| Compliance | ASTM F2627-22 (Standard Specification for High-Purity Metals for Semiconductor Applications), ISO 14644-1 Class 5 (equivalent to ISO Class 5 / Fed Std 209E Class 100) |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic |
| Model | Diamond Knife (Domestic) |
| Pricing | Upon Request |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | PRC |
| Model | GaAs (Undoped & Doped) |
| Pricing | Available Upon Request |
| Crystal Structure | Zincblende |
| Orientation | <100> Standard |
| Dimensions | 10 × 10 × 0.5 mm, Ø2″ × 0.5 mm |
| Surface Finish | Single- or Double-Side Polished |
| Surface Roughness (Ra) | <0.15 nm |
| Dislocation Density | <5 × 10⁵ cm⁻² |
| Growth Method | Liquid Encapsulated Czochralski (LEC) & Horizontal Bridgman (HB) |
| Doping Types | Undoped, Si (n-type), Cr (semi-insulating), Te (n-type), Zn (p-type) |
| Carrier Concentration Range | 5 × 10¹⁷ – >5 × 10¹⁸ cm⁻³ |
| Cleanroom Packaging | Class 1000 Cleanroom Processed, Sealed in Class 100 Cleanroom Bags |
| Brand | Gamry |
|---|---|
| Origin | USA |
| Model | eQCM 10M |
| Frequency Range | 1–10 MHz |
| Frequency Resolution | < 0.02 Hz |
| Interface | USB |
| Operating Temperature | 0–45 °C |
| Relative Humidity | ≤90% (non-condensing) |
| Dimensions | 75 × 115 × 80 mm |
| Weight | 1 kg |
| Power Supply | 12 V DC, 25 W (via 100–264 V AC, 47–63 Hz adapter) |
| Brand | Gamry |
|---|---|
| Origin | USA |
| Model | eQCM-I Mini |
| Temperature Control Range | 4–80 °C (±0.02 °C) |
| Harmonic Measurement Capability | Up to 13th harmonic on 5 MHz crystals |
| Frequency Sweep Bandwidth | Up to 70 MHz |
| Channels | 2 (1 temperature-controlled) |
| Interface | USB |
| Software | BioSense EC 3.xx (single-user license) |
| Compliance | Designed for electrochemical QCM (EQCM) applications per ASTM D7986, ISO 11357-4, and GLP/GMP-aligned data integrity workflows |
| Brand | Gamry |
|---|---|
| Origin | USA |
| Model | QCM-I |
| Temperature Control Range | 4–80 °C (±0.02 °C) |
| Harmonic Measurement Capability | up to 13th overtone on 5 MHz crystals |
| Frequency Resolution | ≤0.1 Hz |
| Dissipation Factor (D) Resolution | ≤1×10⁻⁶ |
| Interface | USB-connected to external Windows® 10 Pro PC |
| Channel Capacity | up to 4 modular sensor channels |
| Optional Modules | EC measurement module, ITO-coated QCM sensors, flow cell with semi-automated injection valve |
| Brand | Hefei Kejing |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic |
| Model | G-a-N |
| Pricing | Available Upon Request |
| Growth Method | Hydride Vapor Phase Epitaxy (HVPE) |
| Conductivity Type | N-type / Semi-Insulating |
| Resistivity | < 0.5 Ω·cm (N-type) / > 10⁶ Ω·cm (Semi-Insulating) |
| Surface Roughness (Ra) | < 0.5 nm |
| Threading Dislocation Density | < 5 × 10⁶ cm⁻² |
| Usable Surface Area | > 90% |
| Total Thickness Variation (TTV) | ≤ 15 µm |
| Bow | ≤ 20 µm |
| Crystal Orientation | c-plane (0001) |
| Diameter | 50.8 mm ± 1 mm |
| Thickness | 350 µm ± 25 µm |
| Packaging | Class 1000 Cleanroom, Class 100 Clean Bag or Individual Wafer Cassette |