Category Archives: Packaging

QFN Package Overview

qfn

QFN package is probably the most successful package type today. Offering low price, excellent performance and small size, it is an ideal package for many applications.

 
QFN (quad-flat no-leads) is a plastic SMT package consisting of: a leadframe, single or multiple dies, wirebonds and a molding compound. The

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Packaging and Delivery Methodology for: wafer, die and ICs

gel-pack

There are many ways to deliver, package and transport silicon products. Here’s a short primer that provides the basic facts regarding how silicon can be packed and delivered to ensure safe transportation with minimum damages.
 
There are two main options for receiving wafers from your foundry: tested or untested.
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Copper (Cu) Wire Bonding Technical Benefits Overview

copper wire

We love copper (Cu) wire. In fact, we already described in our post “Copper Wire (Cu) Reduces Package Cost” the cost advantages of copper wire bonding compared to Gold (Au) wire. Copper wire introduced some challenges to assembly houses (such as ASE, Amkor, STATS ChipPAC) but also offers a few

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Copper Wire (Cu) Bonding Reduces Package Cost

copper-wire-bonding

Do you know someone that is not eager to reduce their ASIC production costs? I don’t.  Some say that redesign changes can lead to significant cost reduction, for instance – using a more advanced silicon technology node to shrink the die size. True, but this is a really big, painful

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BGA Substrate Design Guide: Layout, Stackup, Routing & Vendors

BGA substrate design is a critical step in the development of many ASICs, SoCs, processors, sensors, RF devices and high pin-count integrated circuits. The package substrate acts as the electrical and mechanical bridge between the silicon die and the printed circuit board. It routes signals from the die pads or

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Moisture Sensitivity Level and Popcorn Effect

MSL stands for Moisture Sensitivity Level. It represent the amount of time an IC can be exposed to ambient conditions and still be assembled on a PCB without being damaged.

When the antistatic bag is opened and the ICs are exposed to ambient conditions, the moisture in the air

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