Considering using a flexible printed circuit board (flex PCB) in your next project? Flex circuits offer several advantages, whether you plan to use them in a future project or for revamping your existing designs. Here we detail some of the most impactful advantages of flex PCB, including packaging, reliability, capabilities, and cost savings.
Plated through holes are the holes in a printed circuit board (PCB) with copper coated walls. These holes allow electricity to be carried from one side of the circuit board through the copper in the hole to the other side of the board. For any printed circuit board design of two or more circuitry layers, plated through holes form the electrical interconnection between the different layers.
[This post is a continuation of Selecting the Most Capable Supplier: Part 1]
In the second part of this post, we will discuss 3 specific processes that you should review to control for manufacturing supplier quality management before starting to do business with them. As a customer, you need to know that every aspect of your order is managed with the utmost care in a process that is repeatable and accountable.
In today’s challenging manufacturing marketplace it is more and more difficult selecting the most capable supplier that has the right capabilities for your company long term (so challenging, in fact, we had to break it into 2 parts). With more pressure being put on cost cutting and improving efficiency, it becomes very easy to put a short term gain ahead of all else. Unfortunately, when we do that, we end up losing sight of long term goals that drive core future organizational growth.
Printed circuit boards (PCBs) with immersion finishes such as electroless nickel immersion gold (ENIG), immersion tin, silver, and OSP are appealing because they are lead-free. However, if handled improperly, these materials are susceptible to oxidation and corrosion from exposure to moisture and humidity. This oxidation causes dewetting after soldering, which can lead to poor joints at assembly and ultimately lead to failure of the board.
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