Tantalum Sputtering Target

Tantalum sputtering target is a material used in the preparation of thin films, usually used in the preparation of electronic components, electronic equipment, and magnetic recording media, in the preparation of semiconductor devices, metal films, magnetic materials, optical coatings, and other fields. It is usually made of high-purity Tantalum metal material, and its surface can be chemically treated or mechanically polished to obtain sufficient flatness and finish to ensure the uniformity and quality of the coating. Tantalum target has the characteristics of corrosion resistance, high-temperature stability, and good oxidation resistance, which can meet the requirements of strict high-precision preparation processes.

It has excellent physical properties such as high melting point, high thermal stability, high density, low expansion coefficient, and low resistivity. It also has high corrosion resistance and can resist the erosion of strong corrosive media such as tungstic acid, hydrogen fluoride, and hydrofluoric acid.

Tantalum target is generally prepared by thermal processing, cold processing, and powder metallurgy processes. Thermal processing includes forging, extrusion, rolling, etc. Cold working includes milling, drilling, turning, etc. Powder metallurgy processes include sintering, hot isostatic pressing, plasma spraying, etc.

Tantalum sputtering target is a target made of metal tantalum, and its chemical properties are mainly manifested in the following aspects:

1) Corrosion resistance: Tantalum materials have good corrosion resistance, can resist the erosion of many strong acids and alkalis, and can also resist corrosive gases such as oxidation, sulfidation, and chlorination.

2) High melting point: Tantalum has a high melting point of 3017°C, so it has high-temperature resistance.

3) Stability: Tantalum materials have high chemical stability and can maintain their inherent chemical properties from being changed by the environment.

4) Conductivity: Tantalum is an excellent conductive material with good electrical conductivity and electrical properties, and is widely used in electronics and semiconductor industries.

In summary, tantalum target has chemical properties such as corrosion resistance, high melting point, stability, and conductivity.

Tantalum target is a material used for physical evaporation, the following are some of its main physical properties:

• Density: Its density is 16.65 g/cm3 (at room temperature).
• Melting point: Its melting point is 2996 degrees Celsius.
• Corrosion resistance: It has excellent corrosion resistance and can operate stably in inert gases and most organic acids and alkalis.
• Conductivity: It is an excellent electronic conductor, and its conductivity can reach 15.3 MS/m.
• Magnetic: It is a non-magnetic material.
• Coefficient of thermal expansion: It's coefficient of thermal expansion is 6.3 × 10^-6 K^-1.

It should be noted that the physical performance of the tantalum target will be affected by different manufacturers, so when selecting and using it, you should inquire about its specific physical performance parameters.

The production process of tantalum target is as follows:

1) Select and prepare the base material: Select a high-quality tantalum metal material and cut or cast it into the desired shape.

2) Surface treatment: Surface treatment of tantalum sputtering targets, including mechanical polishing, electrolytic polishing, etc., to ensure that the surface is smooth and clean, and meets the surface requirements of the preparation target.

3) Coating: Place the target in a vacuum chamber and use techniques such as physical vapor deposition (PVD) or chemical vapor deposition (CVD) for coating.

4) Cutting and cleaning: cut the coated target into the required size, and carry out cleaning and quality inspection.

5) Packing and shipping: packing and shipping the prepared target.

The above is the general preparation process, and the specific preparation methods and processes may vary due to the size, thickness, and application fields of different targets.

Working principle: It is placed in a vacuum chamber during the film preparation process, and through physical vapor deposition, magnetron sputtering, electron beam physical vapor deposition, etc., metal raw materials such as tantalum are transformed into uniform, dense, and excellent crystallinity film.

Tantalum sputtering target is mainly used in the manufacture of electronic components such as capacitors and transistors. In addition, tantalum target is also used in the manufacture of optoelectronic materials, surface treatment, anti-corrosion coatings, and other fields. It's high chemical stability and corrosion resistance, as well as good strength and thermal stability, make tantalum target one of the materials of choice for many critical applications, such as aerospace, military, medical, and energy.

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