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May 17,2024
What is Cu clip package? copper container

What is Cu clip package? copper container

Power chips are connected to exterior circuits with packaging, and their efficiency depends upon the assistance of the packaging. In high-power scenarios, power chips are usually packaged as power components. Chip affiliation refers to the electric link on the upper surface area of the chip, which is generally aluminum bonding wire in typical modules. ^
Typical power component bundle cross-section

Currently, industrial silicon carbide power components still mainly use the packaging modern technology of this wire-bonded typical silicon IGBT module. They face issues such as large high-frequency parasitical parameters, not enough heat dissipation capacity, low-temperature resistance, and inadequate insulation strength, which limit making use of silicon carbide semiconductors. The display screen of excellent performance. In order to fix these problems and totally manipulate the massive possible advantages of silicon carbide chips, lots of new product packaging innovations and services for silicon carbide power modules have emerged in recent years.

Silicon carbide power module bonding approach


(Figure (a) Wire bonding and (b) Cu Clip power module structure diagram (left) copper wire and (right) copper strip connection process)

Bonding materials have created from gold wire bonding in 2001 to light weight aluminum wire (tape) bonding in 2006, copper cable bonding in 2011, and Cu Clip bonding in 2016. Low-power gadgets have actually created from gold wires to copper cords, and the driving force is expense decrease; high-power gadgets have actually created from light weight aluminum cables (strips) to Cu Clips, and the driving pressure is to enhance item efficiency. The higher the power, the greater the demands.

Cu Clip is copper strip, copper sheet. Clip Bond, or strip bonding, is a packaging process that uses a strong copper bridge soldered to solder to attach chips and pins. Compared to traditional bonding packaging approaches, Cu Clip modern technology has the complying with advantages:

1. The link between the chip and the pins is constructed from copper sheets, which, to a certain level, changes the common cable bonding technique between the chip and the pins. Therefore, an one-of-a-kind package resistance worth, higher current circulation, and much better thermal conductivity can be acquired.

2. The lead pin welding area does not need to be silver-plated, which can completely save the price of silver plating and inadequate silver plating.

3. The item appearance is totally regular with normal items and is generally used in web servers, mobile computer systems, batteries/drives, graphics cards, electric motors, power products, and various other areas.

Cu Clip has two bonding methods.

All copper sheet bonding method

Both eviction pad and the Resource pad are clip-based. This bonding technique is more pricey and intricate, but it can accomplish far better Rdson and far better thermal results.


( copper strip)

Copper sheet plus cable bonding method

The resource pad uses a Clip method, and the Gate uses a Cord technique. This bonding technique is a little less costly than the all-copper bonding approach, conserving wafer area (applicable to very tiny gate areas). The procedure is less complex than the all-copper bonding approach and can get much better Rdson and much better thermal result.

Supplier of Copper Strip

TRUNNANO is a supplier of surfactant with over 12 years experience in nano-building energy conservation and nanotechnology development. It accepts payment via Credit Card, T/T, West Union and Paypal. Trunnano will ship the goods to customers overseas through FedEx, DHL, by air, or by sea. If you are finding copper container, please feel free to contact us and send an inquiry.

Inquiry us