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Step 3PLACE IC'S AND PASSIVE COMPONENTS
Picture 1. You can clearly see that there is a nice bit of solder paste on all of our pads. Using a nice set of tweezers (www.zeph.com) I place all of the components by hand.
Picture 2. Here I have placed the uPic and you can see how nicely things are lined up. This is where a good set of dental needle tools come in handy (www.zeph.com). It looks like the solder paste might bridge between the ic legs. However, there is just the right amound of solder paste that when we heat the board up these bridges should not appear. If they do a quick application of heat from a soldering iron and copper solderwick will fix this.
Picture 3. Step and repeat until you place all of your components.
Picture 2. Here I have placed the uPic and you can see how nicely things are lined up. This is where a good set of dental needle tools come in handy (www.zeph.com). It looks like the solder paste might bridge between the ic legs. However, there is just the right amound of solder paste that when we heat the board up these bridges should not appear. If they do a quick application of heat from a soldering iron and copper solderwick will fix this.
Picture 3. Step and repeat until you place all of your components.
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