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Iron Chromium Sputtering Target, Fe/Cr

Chemical Formula: Fe/Cr
Catalog Number: TFM-SPT-0283
CAS Number: 7439-89-6 | 7440
Purity: 99.9%, 99.95%, 99.99%, 99.995%, 99.999%
Shape: Discs, Plates, Column Targets, Step Targets, Custom-made

Iron Chromium sputtering target  come in various forms, purities, sizes, and prices. Thin Film Materials (TFM) manufactures and supplies top-quality sputtering targets at competitive prices.

Product Overview

Iron Chromium Sputtering Target (Fe/Cr) is an alloy sputtering target used to deposit composition-controlled alloy films. Relative to a pure elemental target, the alloying constituents are introduced to tune electrical, magnetic, optical, mechanical, or adhesion-related film properties. For this reason, alloy ratio, homogeneity, purity basis, and the intended film composition should be defined clearly in the procurement specification.

Material and Deposition Characteristics

Many alloy targets are electrically conductive and can be compatible with DC or pulsed-DC magnetron sputtering, subject to the actual alloy composition and equipment capability. The target composition is not always reproduced exactly in the deposited film because preferential sputtering, re-sputtering, substrate heating, and process gas conditions can shift the final ratio. For composition-sensitive work, deposited-film analysis should be part of process qualification.

Technical Data

ParameterTypical Value / RangeImportance
CompositionCustom Fe/Cr ratio (e.g., 80/20, 70/30 wt%)Controls corrosion & magnetic behavior
Purity99.9% – 99.99%Reduces impurity-related defects
Density≥ 99% theoretical densityEnsures stable sputtering rate
Diameter1″ – 8″ (custom sizes available)Fits various cathode systems
Thickness3 – 10 mmInfluences target lifetime
BondingIndium bonded to Cu backing optionalEnhances thermal stability
Sputtering MethodDC magnetron preferredSuitable for metallic alloys
MaterialKey AdvantageTypical Application
Iron Chromium (Fe/Cr)Balanced strength & corrosion resistanceProtective coatings
Pure Iron (Fe)High magnetic permeabilityMagnetic films
Pure Chromium (Cr)Excellent oxidation resistanceHard protective layers
Stainless Steel AlloysComplex alloy system with added elementsStructural & decorative films
QuestionAnswer
Can the Fe/Cr ratio be customized?Yes, composition can be tailored to meet specific corrosion or magnetic performance requirements.
Is bonding recommended for large targets?Yes, copper backing plates improve heat management and reduce cracking risk.
What sputtering method is recommended?DC magnetron sputtering is typically used due to the alloy’s electrical conductivity.
Are rotary targets available?Yes, rotary configurations can be supplied for in-line coating systems.
How is the product packaged?Vacuum-sealed with protective cushioning and export-grade cartons or wooden crates.

Typical Thin-Film Applications

  • Iron Chromium alloy films where composition control is important to electrical, mechanical, magnetic, or optical performance
  • Multilayer stacks, adhesion/barrier layers, conductive films, or functional coatings depending on the alloy system
  • Research and production programs that require customized alloy ratios and repeatable sputtering behavior

Target Configuration and Ordering Considerations

For quotation and manufacturability review, provide target size, thickness, purity or alloy composition, quantity, and the sputtering gun or cathode model if known. If a bonded assembly is required, include backing-plate material, bonding preference, and any dimensional tolerances, surface-finish needs, or inspection-document requirements. TFM can also review customer drawings or old-target samples for replacement builds.

Frequently Asked Questions

Can the composition of a Iron Chromium sputtering target be customized?

Yes. For alloy targets, the required ratio should be specified clearly in wt% or at%. TFM can review custom compositions together with purity, dimensions, and manufacturability.

Will an alloy target always produce a film with the same composition?

Not necessarily. Preferential sputtering, substrate heating, process gas, and re-sputtering effects can shift the deposited composition relative to the nominal target chemistry. Film analysis should be used when the composition is critical.

Is a Iron Chromium alloy target compatible with DC magnetron sputtering?

Many metallic alloy targets are electrically conductive and can be compatible with DC or pulsed-DC sputtering, but the final choice depends on the actual alloy system and equipment.

Why is alloy homogeneity important in a Iron Chromium target?

A uniform alloy distribution helps support stable erosion and reduces local composition variation across the target, which in turn helps improve run-to-run consistency.

Can a Iron Chromium target be supplied bonded?

Yes. Where the cathode or thermal load requires it, TFM can supply bonded assemblies. Backing-plate material, target thickness, bonding method, and operating power should be reviewed together.

What should I include in an RFQ for Iron Chromium?

Specify the alloy composition, purity basis, dimensions, quantity, backing requirement, cathode model or drawing, and any tolerance, inspection, or documentation requirements.

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FAQ

It’s the source material (in solid form) used in sputter deposition to eject atoms or molecules that then form a thin film on a substrate.

Targets can be pure metals (e.g., gold, copper, aluminum), ceramics (e.g., Al₂O₃, SiO₂, TiO₂), alloys, or composites—chosen based on the film’s desired properties.

 

They are produced by processes such as melting/casting for metals or sintering (often with hot isostatic pressing) for ceramics and composite targets to ensure high density and purity.

 

In a vacuum chamber, a plasma (typically argon) bombards the target, ejecting atoms that travel and condense on a substrate, forming a thin film.

 

Key factors include the target’s purity, density, grain structure, and the sputtering yield (i.e. how many atoms are ejected per incident ion), as well as operating conditions like power density and gas pressure.

 

Operators monitor target erosion (often by measuring the depth of the eroded “race track”) or track total energy delivered (kilowatt-hours) until it reaches a threshold that can compromise film quality.

 

Fragile materials (such as many ceramics or certain oxides) and precious metals often require a backing plate to improve cooling, mechanical stability, and to allow thinner targets that reduce material costs.

 

DC sputtering is used for conductive targets, while RF sputtering is necessary for insulating targets (like many oxides) because it prevents charge buildup on the target’s surface.

 

In reactive sputtering, a reactive gas (e.g., oxygen or nitrogen) is introduced to form compound films on the substrate, but it may also “poison” the target surface if not carefully controlled.

 

Many manufacturers prefer to control raw material quality by sourcing their own powders; using external powders can risk impurities and inconsistent target properties.

 

Targets should be stored in clean, dry conditions (often in original packaging or re-wrapped in protective materials) and handled with gloves to avoid contamination, ensuring optimal performance during deposition.

Deposition rate depends on factors such as target material and composition, power density, working gas pressure, substrate distance, and the configuration of the sputtering system (e.g., magnetron design).

 
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