Sputtering Targets For Flat Panel Display Applications

Flat panel displays are divided into the following types: liquid crystal display devices (LCD), plasma display devices (PDP), thin film transistor liquid crystal flat panel displays (TFT LCD), etc. All of these flat-panel display devices use various types of thin film, without which there would be no flat-panel display device. Flat panel displays are mostly composed of metal electrodes, transparent conductive electrodes, insulating layers, and luminescent layers. To ensure the uniformity of large-area film layers, improve productivity, and reduce costs, Almost all types of flat panel display devices use large amounts of coating materials to form various high-fidelity films. The PVD coating material used is mainly thesputtering targets for flat panel display applications. The performance of flat panel displays such as resolution and high-fidelity fidelity is closely related to the performance of the sputtered film. The flat panel display industry is mainly in display panels And touch screen panels two product production links make PVD coating material. In the production process of the flat panel display panel, the glass substrate is sputtered and coated several times to form ITO glass, and then coated, processed, and assembled for the production of LCD panel, PDP panel, and OLED panel. Touch screen production is also ITO glass should be processed, coated to form an electrode, and then assembled and processed with a protective screen and other parts. In addition, to realize the anti-reflection, shadow elimination, and other functions of plate products, the corresponding film coating layer can also be added to the coating link. Plate display coating with sputtering targets for flat panel display applications main varieties is molybdenum target, chromium target, copper target, copper alloy target, silicon target, titanium target, niobium target, and indium tin oxide (ITO) target, etc.

Chromium sputtering targets for flat panel display applications

Chromium sputtering targets for flat panel display applications are widely used in hardware tool coating, decorative coating, and flat display coating. Hardware coating is used in various mechanical and metallurgical applications such as robot tools, turning tools, molds (casting, stamping). The film's thickness is generally 2~10um, and it requires high hardness, low wear, impact resistance, and resistance with thermal shock and high adhesion property. Now, chromium sputtering targets are commonly applied in the glass coating industry. The most important application is the preparation of automotive rearview mirrors. With the increasing requirements of automotive rearview mirrors, many companies have switched from the original aluminizing process to the vacuum sputtering chromium process.

Molybdenum sputtering targets for flat panel display applications are silvery-grey metal with a Mohs hardness of 5.5. Its melting point is 2,623 °C (4,753 °F). Only tantalum, osmium, rhenium, tungsten, and carbon have higher melting points between the naturally occurring elements. Weak oxidation of molybdenum starts at 300 °C (572 °F). It has one of the lowest coefficients of thermal expansion among commercially used metals. Molybdenum wires' tensile strength increases about three times, from about 10 to 30 GPa, when their diameter decreases from ~50–100 nm to 10 nm.

Copper sputtering targets for flat panel display applications are ductile metal with very high thermal conductivity, electrical conductivity, ductility, corrosion resistance. A freshly exposed surface of pure copper has a reddish-orange color. High-purity copper is used as various wires in the electrical and electronics industry, bonding wires for electronic packaging, high-quality audio cables and integrated circuits, liquid crystal display sputtering targets, and ion plating. It is also an indispensable valuable material in atomic energy, rockets, missiles, aviation, space navigation, and metallurgical industries. AEM offers high purity OFC, Cupronickel, and alloy products as per requirement.

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