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Home CHEMICALS & MATERIALS

What is Cu clip package? mueller copper alligator clips

Apr 23,2024
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Power chips are connected to exterior circuits via packaging, and their efficiency depends on the assistance of the product packaging. In high-power situations, power chips are normally packaged as power components. Chip interconnection refers to the electric link on the upper surface of the chip, which is normally aluminum bonding cord in conventional components. ^
Standard power component plan cross-section

Today, industrial silicon carbide power modules still mainly utilize the packaging innovation of this wire-bonded typical silicon IGBT module. They face troubles such as huge high-frequency parasitical parameters, inadequate warm dissipation capability, low-temperature resistance, and insufficient insulation toughness, which restrict making use of silicon carbide semiconductors. The display screen of exceptional efficiency. In order to resolve these issues and fully manipulate the big possible benefits of silicon carbide chips, numerous new packaging technologies and options for silicon carbide power components have arised in the last few years.

Silicon carbide power component bonding method


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

Bonding materials have actually created from gold cord bonding in 2001 to light weight aluminum wire (tape) bonding in 2006, copper wire bonding in 2011, and Cu Clip bonding in 2016. Low-power gadgets have actually established from gold cords to copper wires, and the driving pressure is price reduction; high-power gadgets have actually established from aluminum cords (strips) to Cu Clips, and the driving force is to improve product performance. The greater the power, the higher the needs.

Cu Clip is copper strip, copper sheet. Clip Bond, or strip bonding, is a packaging process that makes use of a solid copper bridge soldered to solder to attach chips and pins. Compared to typical bonding packaging methods, Cu Clip technology has the complying with benefits:

1. The connection between the chip and the pins is made of copper sheets, which, to a certain level, replaces the basic cord bonding approach between the chip and the pins. As a result, a distinct bundle resistance value, higher existing flow, and far better thermal conductivity can be acquired.

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

3. The item appearance is totally consistent with normal items and is generally made use of in servers, mobile computers, batteries/drives, graphics cards, electric motors, power products, and other fields.

Cu Clip has two bonding techniques.

All copper sheet bonding technique

Both the Gate pad and the Resource pad are clip-based. This bonding approach is more costly and intricate, yet it can attain much better Rdson and much better thermal effects.


( copper strip)

Copper sheet plus wire bonding method

The source pad utilizes a Clip approach, and eviction makes use of a Cord approach. This bonding technique is somewhat more affordable than the all-copper bonding approach, saving wafer location (suitable to really small gate areas). The process is easier than the all-copper bonding approach and can obtain much better Rdson and much better thermal impact.

Provider 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 mueller copper alligator clips, please feel free to contact us and send an inquiry.

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