Ku Lisuo: Traditional IC wire bonding machine enterprises transform to LED

China is a big manufacturing country in the world. Culli Sofa Semiconductor (Suzhou) Co., Ltd. (hereinafter referred to as Kuli Law, English name: KNS) has already laid out the IC wire bonding machine market in China. In recent years, with the development of LED lighting Quickly, Cullusuo began to step up and will transform to LED wire bonding equipment.

Although the current LED wire bonding machine market is fiercely competitive, there are two giant companies in the United States: ASM and Japan Kaijo. There are a number of new and old companies such as Wei Tianxing, Dazu, Cuitao, etc., which are rushing to the Chinese lighting market. "But the LED packaging market in China is very large. Big, the future welding machine market potential is very huge," said Huang Wenbin, vice president of the wire mesh machine marketing department of Ku Lisuofa Pte.

Distinguish domestic market with copper wire and patch wire bonding machine

Last year, LED lighting developed very rapidly, and the LED wire bonding machine appeared in short supply. Since the domestic automatic wire bonding machine is still not fully mass-produced, the sales volume of the manual wire bonding machine has soared.

Despite this, the gap between LED wire bonding machines at home and abroad is still large. Ni Yashen said that the gap is not only in the manual and fully automatic aspects, but also in the performance, precision and quality of the wire. Especially in terms of production speed, KNS is currently about 10-20% faster than domestic models. Taking 3528 capacity as an example, KNS double-line double-ball production capacity is 15K, single line is about 18K, and domestic is basically below 10K.

Although the number of domestic packaging enterprises is huge, there is a market pattern of “two small, medium, large number of medium-end enterprises, and low number of low-end and high-end enterprises”. Therefore, some insiders have suggested that even if they occupy the high-end market, the share is not very high. For this reason, Ni Yashen, the deputy general manager of KNS's Chinese agent Xinmeihua Precision Machinery Co., Ltd., said that there are no similar products at home and abroad, because domestic enterprises have not been able to produce patch bonding machines and copper wire bonding machines. And the automatic wire bonding machine has not really been commercialized.

Ni Yashen also said that because domestic LED wire bonding machine companies can not produce chip-type wire bonding equipment, such as 3528, 5050 products, must use imported chip-type wire bonding machine, so KNS has great market potential in China LED wire bonding machine At present, KNS has both plug-in and patch wire bonding machines.

In addition, KNS's technology and experience in IC copper wire bonding machines have also been successfully applied in the field of LED wire bonding machines. It is understood that KNS has already launched a special LED copper wire bonding equipment, and has a complete set of processes.

Compared with the domestic gold ball automatic wire bonding machine equipment, the copper wire bonding technology is slightly better, KNS Xinyaqiao said. First of all, the copper piece is 40% harder than the gold piece. Therefore, when the copper wire is hit, the energy consumed by itself is 20%-25% higher. Second, copper is a relatively sensitive metal, which is easy to oxidize when it is fired. Controlling it must add shielding gas. Third, the wire needs some software to match some of the characteristics of copper.

The manufacturing of LED copper wire bonding machines is more stringent in terms of technology and process. At present, domestic enterprises have not made breakthroughs in copper wire bonding technology. “The difficulty in manufacturing copper wire bonding machine equipment is not only the addition of shielding gas, but also the cooperation of software and line selection. Because it is the first line or the second line, some of its process parameters need to be Improvement", Xin Yaqiao said.

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