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OK, Asmoth. At least all points have been clarified, so we can leave it at that. After all, maybe Midi has already moved on and is already working on a new issue without telling us?

Hi Asmoth,

At the risk of confusing Midi, I just want to clarify my earlier recommendation.

I was thinking that Midi needs to see the leakage issue on a more widespread scale than just a singl ...

If the failures are confirmed valid by bench testing, I would also suggest to Midi that he/she first confirms that the increase in leakage failures can be observed in a wide spectrum of unrelated lots ...

What does 'rejuvenation' of capillaries and bonding tools mean? Does this mean cleaning or reworking of old tools so they're like new again? Aren't there quality implications from such reworked tool ...

I don't think there's a sure-fire way to distinguish ESD damage that occurs at fab and one that occurs somewhere else, based on attributes alone. You'll always need to do process investigations, moni ...

Hi IC Man,

Your question is not so clear, but I think you are asking what ESD voltages an IC must pass to be qualified for use in a certain system, right?

Well, you first need to tell us ...

Hi Jarod,

There's no direct way to predict device lifetime from the number of temp cycles the device has passed. The way to estimate device lifetime based on TC results consists of three tricky st ...

Autoclave is pressure cooker test: 168 hours at 121 deg C/100% RH/2 atm.

Dendrites are fern-like or snowflake-like surface patterns that result when metal atoms (such as those coming from package l ...

One-sided specification basically means you only specify either a lower or a upper spec limit for the parameter. Two-sided specification means that the parameter needs to stay within both a lower and ...

Did you either do a chemical decap and/or bake the unit afterwards? Removal of external contam during chemical decap and 'healing' of the failure during bake are two of the most common causes of unit ...

Jim Lean,

The protection diode(s) of an input is designed to divert current away from the input to one of the ground or supply nodes (depending on polarity of the esd pulse) at a certain breakdown ...

Donnie,

When you say die strength, do you mean 'adhesion strength between the die and die attach' or the die fracture strength itself? In general you don't need to measure the actual die strength ...

The ESD 'spot' that you're seeing at the edge of a metal line (usually at an intersection of two metal lines) is called a 'dielectric rupture' or 'dielectric punchthrough.' This just means that the d ...

Simon,

I've used PLL's in projects before but I have not yet done FA on them, so I apologize if the inputs I'll be giving below are not applicable to your device.

You need to also get a die ci ...

I don't think that a die paddle delam can 'heal' once it is there. Are you sure there was no inadvertent 'switching' of samples that happened? Also, can you please clarify what you mean by 'pre-' an ...