Screaming Circuits: May 2007


Silver via problems

Here's an interesting via situation that I hadn't heard about until just recently. In these two cases, the engineer has a QFN with a center pad that is required more for grounding then for cooling. Given the lack of criticality,... Read more

Holiday Closing

Hi all. We will be closed for Memorial Day on Monday, May 28th. This means that Monday won't be counted toward your turn times. For example, if you have asked for a 48 hour turn time and we receive you... Read more

Microvias, Blind and Buried Vias

In a few previous posts, here, here and here, for starters, I've discussed the dreaded via in pad and hopefully, given some useful information about what to do if you must put vias in pads. In the image, (A) shows... Read more

Even smaller

As if QFNs and MicroBGAs aren't small enough, I ran across an article about a new package that will deliver 0.3mm or smaller pitch interconnects. We regularly place .5mm pitch BGAs and have done a few even smaller, but this... Read more

If There are Questions

On May 8th,1884, Harry S. Truman, 33rd President of the United States was born. Also on May 8th, 2007, we made a few changes to our order process as described here. On the "Place you Order" page - the next... Read more

Moisture Sensitive Parts

Avoid moisture-caused delays. Most of you have probably seen the "moisture Sensitive" components symbol. Most of you probably understand its meaning and significance. However, in the topsy-turvy world of prototyping, details sometimes hide when they shouldn't. From time to time,... Read more


So, if you read this blog or have placed an order since Tuesday, you know that we have made some updates to our order process. If you don't read this blog or haven't placed an order since then, read the... Read more

Web Site Update Notice

We will be making some updates to our website quote and order pages on Monday, the 7th, at the end of the day. [It went live Tuesday, the 8th] We are expecting no more than 30 - 60 seconds site... Read more

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