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Tungsten (W) Evaporation Material, Pieces, 99.95%, 3-6 mm
Product Type: Pure Metal Evaporation Material
Research-grade laboratory product
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LABORATORY PROCUREMENT SUPPORT
For material selection, deposition-source matching, pack-size confirmation or quotation support, contact our technical sales team.
INQUIRY: inquiry@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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This tungsten evaporation material requires vacuum deposition using E-beam evaporation with a water-cooled copper hearth. Compatible liner materials include graphite, Al2O3, BN, or Ta to prevent contamination and ensure process stability.
- Evaporation Source Compatibility: The material must be used with a water-cooled copper e-beam hearth and a compatible liner selected from graphite, Al2O3, BN, or Ta.
- Particle Size Requirement: The supplied 3-6 mm pieces must be compatible with the source loading geometry of the deposition system.
- High Melting Point Consideration: The high melting point (3410°C) requires sufficient electron beam power and appropriate sweep patterns to achieve stable evaporation.
- Process Parameter Matching: Evaporation parameters such as beam current, sweep pattern, and deposition rate must be matched to the material's Z-ratio (0.163) and density (19.35 g/cm³) for accurate film thickness control.
What is the Z-ratio of tungsten (0.163) and why is it important for e-beam evaporation process control?
The Z-ratio for tungsten is 0.163. This parameter is used in quartz crystal microbalance (QCM) thickness monitoring to correct for the acoustic impedance mismatch between the deposited material and the quartz crystal sensor. Accurate Z-ratio values are essential for precise film thickness measurement and process control during e-beam evaporation of tungsten.
What evaporation source liners are compatible with tungsten pieces, and why is a water-cooled copper e-beam hearth recommended?
Compatible liners include graphite, Al2O3, BN, and Ta. A water-cooled copper e-beam hearth is recommended because tungsten has a high melting point of 3410°C, requiring efficient heat dissipation to prevent hearth damage and ensure stable evaporation. The specified liners provide chemical inertness and thermal stability compatible with tungsten at evaporation temperatures.
What is the melting point of tungsten evaporation material and how does it influence deposition system requirements?
Tungsten has a melting point of 3410°C. This extremely high melting point necessitates the use of high-power e-beam evaporation sources and a water-cooled copper hearth to manage thermal load. Deposition systems must be configured with adequate power supply and cooling infrastructure to reliably evaporate tungsten without damaging hardware.
Tungsten (W) evaporation material, 99.95% purity, pieces 3-6 mm, designed for e-beam evaporation. High melting point (3410°C) and density (19.35) enable refractory film deposition but require compatible hardware and calibrated thickness monitoring.
Positive
- High Purity and Defined Form: 99.95% purity and pieces 3-6 mm sizing ensure consistent evaporation behavior and reliable source loading for vacuum deposition.
- High Melting Point for Refractory Films: Melting point of 3410°C enables deposition of high-temperature tungsten films via e-beam evaporation, supporting demanding thin-film applications.
Trade-offs
- Specific Hardware Compatibility Required: Optimal performance requires a water-cooled copper e-beam hearth and compatible liners (graphite, Al2O3, BN, Ta), limiting use to systems with these components.
- High Density and Z-Ratio Calibration: Density of 19.35 g/cm³ and Z-ratio of 0.163 necessitate calibration of quartz crystal monitors for accurate film thickness measurement during deposition.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
