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Home Chemicals&Materials

What is Cu clip package? tinned copper

2024-04-23
in Chemicals&Materials
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What is Cu clip package? tinned copper
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Power chips are attached to external circuits through product packaging, and their performance depends upon the assistance of the product packaging. In high-power circumstances, power chips are typically packaged as power components. Chip interconnection refers to the electric connection on the upper surface area of the chip, which is generally light weight aluminum bonding cable in typical components. ^
Standard power component bundle cross-section

Today, commercial silicon carbide power components still mostly use the packaging modern technology of this wire-bonded conventional silicon IGBT component. They face troubles such as large high-frequency parasitic parameters, insufficient warmth dissipation ability, low-temperature resistance, and not enough insulation toughness, which limit making use of silicon carbide semiconductors. The display screen of superb performance. In order to resolve these issues and completely exploit the huge prospective advantages of silicon carbide chips, numerous brand-new product packaging modern technologies and solutions for silicon carbide power components have emerged in recent years.

Silicon carbide power module bonding technique


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

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

Cu Clip is copper strip, copper sheet. Clip Bond, or strip bonding, is a packaging procedure that makes use of a strong copper bridge soldered to solder to attach chips and pins. Compared with conventional bonding packaging methods, Cu Clip innovation has the complying with advantages:

1. The link between the chip and the pins is constructed from copper sheets, which, to a specific level, changes the standard cord bonding method in between the chip and the pins. As a result, a special package resistance worth, greater existing circulation, and much better thermal conductivity can be acquired.

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

3. The item appearance is totally regular with typical items and is mostly used in servers, portable computers, batteries/drives, graphics cards, electric motors, power supplies, and other fields.

Cu Clip has 2 bonding approaches.

All copper sheet bonding approach

Both eviction pad and the Resource pad are clip-based. This bonding technique is more costly and complicated, yet it can achieve far better Rdson and better thermal results.


( copper strip)

Copper sheet plus cable bonding approach

The resource pad makes use of a Clip method, and eviction uses a Wire approach. This bonding technique is somewhat less expensive than the all-copper bonding method, saving wafer location (appropriate to very little entrance areas). The procedure is less complex than the all-copper bonding method and can get far better Rdson and far better thermal effect.

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 tinned copper, please feel free to contact us and send an inquiry.

Inquiry us



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