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Tantalum (Ta) Evaporation Material, Pellets, 99.95%, 1-3 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 material requires specific infrastructure for electron beam evaporation to prevent contamination and achieve desired film properties. The pellet geometry and source compatibility must be verified before use to avoid process failures.
- Source Compatibility: Use only with water-cooled copper e-beam hearths and compatible liners including graphite, Al2O3, BN, or tantalum.
- Pellet Size Constraint: Confirm that the 1-3 mm pellet size matches the feeder mechanism or crucible cavity to prevent bridging or incomplete evaporation.
- Process Parameter Calibration: The high melting point (2,996°C) and Z-ratio of 0.262 require recalibration of deposition rate monitors and power settings.
Why is 99.95% purity specified for tantalum evaporation material, and how does it compare to other grades?
The 99.95% purity specification ensures minimal contamination in thin-film deposition, making it suitable for research-grade vacuum coating. The product description explicitly lists this purity to allow comparison between standard high-purity material and RFQ-controlled grades, enabling buyers to select the appropriate grade for their process requirements.
What evaporation source and liner materials are compatible with these tantalum pellets?
E-beam evaporation is the preferred method, and the compatible evaporation source is a water-cooled copper e-beam hearth. For liner materials, graphite, Al2O3, BN, and Ta are all explicitly listed as compatible, allowing selection based on thermal conductivity and chemical reactivity at the 2,996°C melting point of tantalum.
What key parameters must be confirmed before purchasing tantalum evaporation pellets?
Before purchasing, confirm model, purity, physical form (pellets), size range (1-3 mm), pack size, and deposition-source compatibility. Additionally, verify certificate requirements, safety data sheets, shipment conditions, and export restrictions to ensure the material meets laboratory use and procurement specifications.
Tantalum (Ta) evaporation pellets at 99.95% purity with 1–3 mm size are specified for E-beam deposition of high-melting-point metal films; the measured Z-ratio of 0.262 imposes a need for precise crystal-sensor calibration to maintain film thickness accuracy.
Positive
- High purity for consistent deposition: 99.95% purity minimizes source contamination, supporting reproducible thin-film stoichiometry in vacuum deposition.
- Defined pellet size for source loading: 1–3 mm pellets provide uniform particle geometry for consistent evaporation rates and efficient packing in E-beam hearths.
Trade-offs
- High melting point requires specialized hardware: Melting point of 2,996°C necessitates E-beam evaporation with a water-cooled copper hearth; conventional thermal evaporation is not feasible.
- Z-ratio demands calibration adjustment: Z-ratio of 0.262 indicates significant crystal impedance, requiring a tooling factor correction in quartz-crystal monitors for accurate thickness control.
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).
