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ST0481 Rubidium Sputtering Target, Rb

Chemical Formula: Rb
Catalog Number: ST0481
CAS Number: 7440-17-7
Purity: 99.99%
Shape: Discs, Plates, Column Targets, Step Targets, Custom-made

Rubidium  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

Rubidium Sputtering Target Description

Rubidium Rubidium is a chemical element with the symbol Rb and atomic number 37. It is a very soft, silvery-white metal that belongs to the alkali metal group. Rubidium metal resembles potassium and cesium in terms of physical appearance, softness, and conductivity. Due to its highly reactive nature, rubidium cannot be stored in atmospheric oxygen, as it can react violently, sometimes even catching fire.

High-purity Rubidium Sputter Targets are essential for deposition processes, ensuring the production of high-quality films. TFM specializes in manufacturing sputtering targets with purity levels up to 99.9995%, utilizing rigorous quality assurance procedures to ensure product reliability.

Rubidium Sputtering Target Specifications

Material Type Rubidium
Symbol Rb
Color/Appearance Metallic solid in prescored or break seal ampoule, under argon
Melting Point 38-39 °C
Density 1.53 g/cm3
Boiling Point 686 °C
Young’s Modulus 2.4 GPa
Available Sizes Dia.: 2.0″, 3.0″, 4.0″, 5.0″, 6.0″
Thick: 0.125″, 0.250″

We also offer other customized shapes and sizes of the sputtering targets; please Contact Us for more information.

Packing

Our Rubidium Sputtering Targets are clearly tagged and labeled for efficient identification and quality control. We take great care to prevent any damage during storage and transportation, ensuring that the targets remain in excellent condition.

Get Contact

TFM offers Rubidium 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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