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Pulse rectifier

A technology of pulse rectification and power module, which is applied in the direction of conversion of AC power input to DC power output, cooling/ventilation/heating transformation, modification of power electronics, etc. It can solve the problems of large land cost and large module space, etc. Achieve the effect of saving factory land cost, avoiding occupying ground space, and reducing overall height

Pending Publication Date: 2020-09-29
JIUJIANG LIYUAN RECTIFIER EQUIP
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AI Technical Summary

Problems solved by technology

[0005] Therefore, the technical problem to be solved by the present invention is to overcome the defect that the pulse rectifier in the prior art can only be placed next to the electrolyte tank when it is arranged in the factory because the module occupies a large space, resulting in a large land occupation, thereby providing a Pulse rectifier with reduced footprint for factory layout

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Embodiment Construction

[0031] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0032] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, ...

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Abstract

The invention provides a pulse rectifier, which belongs to the technical field of pulse equipment, and comprises a preceding-stage power supply and a power module which are arranged in a split manner,the preceding-stage power supply and the power module are suitable for being arranged side by side in a frame, and the bottom end of the frame is suitable for being supported above electroplating orelectrolysis equipment; according to the pulse rectifier disclosed by the invention, the preceding-stage power supply and the power module are arranged in a split manner, so that the preceding-stage power supply and the power module can be arranged in the frame side by side, and the frame can be supported above electroplating or electrolysis equipment due to reduction of the overall height of thepower supply, thereby preventing the arrangement of the power supply from occupying the ground space and saving the factory land cost.

Description

technical field [0001] The invention relates to the technical field of pulse equipment, in particular to a pulse rectifier. Background technique [0002] Pulse rectifiers are used to provide direct current for the distribution of copper electrochemical deposition on circuit boards. With the increasing complexity, thickness, path density, and shrinking aperture and path width of circuit boards, traditional direct current electroplating is becoming more and more Unreliable and even lead to poor quality. [0003] To balance the copper thickness in the holes or microvias, the current density is forced to be reduced, but this prolongs the plating process, even to unacceptable levels. Shorter plating times became a reality with the advent of reverse pulse rectifiers and chemistries suited to the plating process. [0004] However, because the module of the pulse rectifier takes up a lot of space, the pulse rectifier is generally placed next to the electrolyte tank when it is arra...

Claims

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Application Information

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IPC IPC(8): H02M7/00H05K7/14H05K7/20
CPCH02M7/003H05K7/1432H05K7/2089
Inventor 黄瑞炉叶兴韦陈顺昌丁少云叶志华
Owner JIUJIANG LIYUAN RECTIFIER EQUIP
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