Yangzhou Kaihong Power Technology Co., Ltd. (Yangzhou Headquarters)
Sales phone: 0514-87979963
Sales Straight 1: 13773587351
Sales line 2: 18932373905
Sales line 3: 15190420406
Company Fax: 0514-87580922
Sales email: firstname.lastname@example.org
Company address: Xi'an Jiaotong University Pioneer Park, East Wuzhou Road, Yangzhou
偏压电源（Bias power supply ）是真空电弧离子镀及其它真空物理气相沉积设备中一个重要组件，在镀膜工艺流程中为工件提供负（或正）偏压。 Bias power supply (Bias power supply) is an important component in vacuum arc ion plating and other vacuum physical vapor deposition equipment. It provides negative (or positive) bias to the workpiece during the coating process.
1) Increase the energy of the charged particles in the vacuum plasma, bombard and clean the surface of the plated workpiece, make the surface of the workpiece subject to high-energy particles impact, and obtain a new surface layer, so as to improve the binding force of subsequent deposited layers.
2) Increase and control the energy of the charged particles in the vacuum plasma, and improve the binding force between the film layer and the substrate of the workpiece.
3) Change the deposition rules and adjust the film color by different voltage output polarities or modes.
4) Overcoming the bias power supply working in a vacuum plasma environment, the cathode arc discharge caused by high voltage burns the workpiece.
The bias power supply works in two-level high-frequency conversion mode, and outputs in unipolar pulse mode. The voltage adjustment of the power supply is realized by changing the power supply voltage of the high-frequency conversion circuit. The voltage regulation circuit has a stability rate of 1%. The high frequency conversion circuit generates 10-90% pulse voltage. Because the output voltage of the power supply and the pulse width are independently adjusted, while meeting the voltage required by the process, the temperature rise of the workpiece is controlled by changing the pulse width. The power supply is suitable for various tool coatings and decorative coatings.
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