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Tungsten (W) Evaporation Material, Pellets, 99.99%, 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 e-beam evaporation using a water-cooled copper hearth with compatible liners such as graphite, Al2O3, BN, or Ta. Deposition source geometry and liner material must be confirmed for compatibility prior to use to avoid contamination or damage.
- Compatible Evaporation Sources: The material is designed for e-beam evaporation with water-cooled copper hearths.
- Liner Compatibility: Use graphite, Al2O3, BN, or Ta liners as compatible options for containing the tungsten melt.
- High Melting Point: The melting point of 3,410°C necessitates robust thermal management and source design.
- Z-Ratio Consideration: Enter the Z-ratio of 0.163 into the deposition controller for accurate film thickness monitoring.
- Procurement Verification: Confirm deposition source geometry, liner type, and pack size before ordering to match system requirements.
What is the significance of the Z-ratio value of 0.163 for tungsten pellets in e-beam evaporation?
The Z-ratio of 0.163 is a process parameter for e-beam evaporation that influences deposition rate monitoring and film thickness control when using a quartz crystal microbalance (QCM). For this tungsten material, the product specification explicitly lists a Z-ratio of 0.163, which is essential for accurate calibration of the deposition monitor to achieve repeatable film thickness.
Which liner materials are compatible with e-beam evaporation of these tungsten pellets?
The tungsten pellets are compatible with a water-cooled copper e-beam hearth and can be used with liners made of graphite, Al2O3, BN, or Ta. This compatibility is explicitly stated in the product description, allowing researchers to select the appropriate liner based on their deposition system configuration and thermal management needs.
What is the recommended pellet size range for source loading, and why is it specified as 3–6 mm?
The pellets are supplied in a 3–6 mm size range to ensure consistent feeding and loading into e-beam evaporation sources. This specific size range is listed in the technical specifications to support reliable source loading and uniform evaporation behavior, balancing material packing density with evaporation rate stability.
Tungsten (W) pellets with 99.99% purity and 3-6 mm size are suited for e-beam evaporation in thin-film deposition, requiring water-cooled copper hearths and compatible liners due to high melting point and density.
Positive
- High purity 99.99%: The 99.99% purity specification ensures minimal contamination for reproducible thin-film deposition in vacuum processes.
- Uniform pellet form and size: The 3-6 mm pellet form facilitates consistent source loading and evaporation rate control in e-beam systems.
Trade-offs
- High melting point: With a melting point of 3,410°C, this material demands specialized e-beam evaporation hardware and water-cooled hearths to avoid thermal damage.
- High density handling: The density of 19.35 g/cm³ requires careful handling and source design to prevent mechanical issues during loading and evaporation.
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).
