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ST0072 Chromium Copper Sputtering Target, Cr/Cu

Chemical Formula: Cr/Cu
Catalog Number: ST0072
CAS Number: 7440-47-3 | 7440
Purity: 99.9%, 99.95%, 99.99%, 99.995%, 99.999%
Shape: Discs, Plates, Column Targets, Step Targets, Custom-made

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

MSDS File

Chromium Copper Sputtering Target Description

The chromium-copper sputtering target from TFM is an alloy material composed of chromium (Cr) and copper (Cu). This sputtering target is designed for applications requiring the unique properties of these two elements.

Chromium

Chromium, represented by the symbol “Cr,” is a chemical element derived from the Greek word ‘chroma,’ meaning color. Known and utilized since before 1 AD, it was notably discovered in association with the Terracotta Army. Chromium has an atomic number of 24 and is located in Period 4, Group 6 of the d-block in the periodic table. Its relative atomic mass is 51.9961(6) Daltons, with the number in parentheses indicating the measurement uncertainty.

Detailed Product: Chromium Sputtering Target

Copper

Copper, symbolized as “Cu,” is a chemical element with roots in the Old English name “coper,” derived from the Latin term ‘Cyprium aes,’ meaning metal from Cyprus. It has been used since around 9000 BC and was discovered by people from the Middle East. Copper’s atomic number is 29, and it is located in Period 4, Group 11 of the d-block in the periodic table. The relative atomic mass of copper is 63.546(3) Daltons, with the bracketed number indicating the uncertainty in measurement.

Detailed Product: Copper Sputtering Target

Chromium Copper Sputtering Target Packing

Our chromium-copper sputter targets are meticulously tagged and labeled for easy identification and rigorous quality control. We take extensive precautions to prevent any damage during storage and transportation, ensuring the highest quality of our products upon delivery.

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TFM offers Chromium Copper Sputtering Targets in various forms, purities, sizes, and prices. We specialize in high-purity thin film deposition materials with optimal density and minimal grain sizes, which are ideal for semiconductor, CVD, and PVD applications in display and optics. Contact Us for current pricing on sputtering targets and other deposition materials that are not listed.

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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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