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Tantalum (Ta) 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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Deposition of these tantalum pellets requires vacuum thin-film processing in an e-beam evaporation system. Source geometry and liner compatibility must be confirmed before loading; a water-cooled copper hearth or graphite/Al2O3/BN/Ta liner is listed as compatible.
- Deposition route: Use e-beam evaporation as the preferred deposition route for this material.
- Source compatibility: Confirm the deposition source geometry and liner material are compatible with the pellet form before loading.
- Process matching: Match the evaporation process route to the material's melting point and required film properties.
These steps cover source-loading and e-beam evaporation for tantalum pellet evaporation material. They should be followed only after confirming source and liner compatibility for the target deposition system.
Required Equipment: E-beam evaporation system, Water-cooled copper e-beam hearth, Graphite, Al2O3, BN, or Ta liner
- Confirm source compatibility
Confirm that the evaporation source geometry and liner material are compatible with the pellet form before loading. - Load pellets
Transfer the tantalum pellets into a water-cooled copper e-beam hearth or a compatible graphite, Al2O3, BN, or Ta liner. - Evaporate under vacuum
Evaporate the loaded pellets using e-beam evaporation in a vacuum thin-film deposition process.
How does the 99.99% purity of tantalum (Ta) pellets affect thin film performance in e-beam evaporation?
The 99.99% purity minimizes contamination, which is critical for achieving high-performance thin films in semiconductor and optical applications. The product specification explicitly lists this purity level to allow comparison between standard, high-purity, and RFQ-controlled grades, ensuring precise material selection for film quality requirements.
What liner materials are compatible with e-beam evaporation of tantalum pellets?
Compatible liner materials for the water-cooled copper e-beam hearth include graphite, Al2O3, BN, or tantalum itself, as stated in the product specifications. This allows selection based on thermal stability and chemical inertness, with the preferred evaporation method being e-beam deposition.
Why is the Z-ratio of 0.262 important for process control when depositing tantalum films?
The Z-ratio of 0.262 is a material-specific parameter used in quartz crystal microbalance (QCM) monitoring to correct for acoustic impedance mismatch, enabling accurate deposition rate and thickness control. This value is provided in the product technical specifications for precise process calibration during e-beam evaporation of tantalum.
Tantalum (Ta) evaporation pellets at 99.99% purity and 3-6 mm size are evaluated for E-beam deposition in water-cooled copper hearths or compatible liners, with a high melting point of 2,996°C and density of 16.6 g/cm³ requiring careful source matching and handling.
Positive
- High purity for thin-film integrity: 99.99% purity minimizes contamination in vacuum-deposited films, critical for semiconductor and optical coating applications where trace impurities degrade performance.
- Defined pellet size for source loading: 3-6 mm pellet form ensures consistent feeding and evaporation in E-beam systems, reducing process variability compared to irregular or fine powders.
Trade-offs
- High melting point requires robust hardware: With a melting point of 2,996°C, this material demands water-cooled copper hearths or compatible liners (graphite, Al2O3, BN, Ta) to prevent thermal damage, limiting deposition system compatibility.
- Density and Z-ratio affect process tuning: A density of 16.6 g/cm³ and Z-ratio of 0.262 require precise calibration of deposition rate and thickness monitoring, increasing setup complexity for operators unfamiliar with refractory metals.
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).
