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Welding wire machine

A wire bonding machine and heating block technology, which is applied in the field of wire bonding machines, can solve the problems of troublesome replacement of heating blocks, expensive heating blocks, and reduced machine efficiency, etc., and achieves simple structure, preheating speed block, and enlarged heating area. Effect

Inactive Publication Date: 2014-01-29
EVERLIGHT ELECTRONICS (CHINA) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the heating block is more expensive, and the work of replacing the heating block is more troublesome, which not only increases the process, but also increases the working intensity and reduces the efficiency of the machine

Method used

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Embodiment Construction

[0021] Specific embodiments of the present invention will be further described in detail below.

[0022] Such as figure 1 As shown, the wire bonding machine according to the first embodiment of the present invention has a preheating module on it, and the preheating module mainly includes a preheating plate (not shown) and a heating plate arranged under the preheating plate to heat the preheating plate. The heating block 10, the workpiece to be welded (not shown) is placed on the preheating plate for preheating. The area of ​​the upper surface of the preheating plate is larger than the area of ​​the upper surface of the heating block 10 . The heating block 10 is elongated, and two sides of the heating block 10 are provided with elongated heat transfer blocks 12 made of metal with good thermal conductivity. The upper surface of the heat transfer block 12 is located on the same plane as the upper surface of the heating block 10, so that it is in close contact with the preheatin...

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PUM

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Abstract

The invention discloses a welding wire machine, wherein a pre-heating module is arranged on the welding wire machine and mainly comprises a pre-heating plate and a heating block which is arranged below the pre-heating plate and used for heating the pre-heating plate, wherein the area of the upper surface of the pre-heating plate is bigger than that of the upper surface of the heating block. The welding wire machine is characterized in that at least one detachable heat-transfer block is arranged beside the heating block. The welding wire machine provided by the invention enlarges the heating area effectively by mounting detachable heat-transfer blocks on the two sides of the heating block, so that a workpiece can be heated rapidly and uniformly and deviation caused by thermal expansion is effectively avoided. The welding wire machine has the advantages of simple structure, convenient use, high pre-heating speed, uniform pre-heating and the like.

Description

technical field [0001] The invention relates to a wire bonding machine, in particular to a preheating module of the wire bonding machine. Background technique [0002] Wire bonding machines include gold wire machines, aluminum wire machines, ultrasonic wire bonding machines, etc. The wire bonding machine is mainly used in high-power devices: light-emitting diodes, laser tubes, small and medium-sized power transistors, integrated circuits and inner lead welding of some special semiconductor devices. When the wire bonding machine is welding the device to be welded (hereinafter referred to as the workpiece), it is often necessary to preheat the workpiece before welding, so the wire bonding machine is often equipped with a preheating module. The preheating module of the wire bonding machine mainly includes a preheating plate and a heating block, the heating block heats the preheating plate, and the workpiece is preheated on the preheating plate. But the upper surface area of ​...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K37/00H01L21/00H01L21/60
CPCH01L2224/45124H01L24/78H01L2224/78H01L2924/00014H01L2924/12041H01L2924/14H01L2224/48H01L2924/00H01L2924/00012
Inventor 叶武炎
Owner EVERLIGHT ELECTRONICS (CHINA) CO LTD
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