<div class="entry-content">
    <div class="jetpack-video-wrapper"><span class="embed-youtube" style="text-align:center; display: block;"><iframe src="https://www.youtube.com/embed/2QXDinW_yKM" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
Walking through a company in China that solders components on PCBs. Recorded in SenRuiDa.
    </div>


    <div class="blog-content-chapters">
        <div>
            Chapters:
        </div>
        <ul class="chapters-list">
            <li class="chapters-list-item"><span class="chapters-time">00:00</span><span class="chapters-text">What is this video about</span></li>
            <li class="chapters-list-item"><span class="chapters-time">00:41</span><span class="chapters-text">Solder paste and stencils</span></li>
            <li class="chapters-list-item"><span class="chapters-time">01:39</span><span class="chapters-text">Pick and Place machines</span></li>
            <li class="chapters-list-item"><span class="chapters-time">03:14</span><span class="chapters-text">Oven - Reflow soldering</span></li>
            <li class="chapters-list-item"><span class="chapters-time">04:16</span><span class="chapters-text">AOI - Automated optical inspection</span></li>
            <li class="chapters-list-item"><span class="chapters-time">04:56</span><span class="chapters-text">X-Ray machine</span></li>
            <li class="chapters-list-item"><span class="chapters-time">05:53</span><span class="chapters-text">Through hole components soldering</span></li>
            <li class="chapters-list-item"><span class="chapters-time">06:18</span><span class="chapters-text">Wave soldering</span></li>
            <li class="chapters-list-item"><span class="chapters-time">08:55</span><span class="chapters-text">Removing individual boards from panel</span></li>
            <li class="chapters-list-item"><span class="chapters-time">09:35</span><span class="chapters-text">Conformal coating</span></li>
            <li class="chapters-list-item"><span class="chapters-time">11:00</span><span class="chapters-text">Board testing</span></li>
    </div>


    
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://senruidapcba.com/">SenRuiDa</a></li>            
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
        </ul>
    </div>  
</div>

Factory Tour in China - How Boards Are Made | SenRuiDa PCBA

<div class="entry-content">
    <div class="jetpack-video-wrapper"><span class="embed-youtube" style="text-align:center; display: block;"><iframe src="https://www.youtube.com/embed/CTPb7etzOmA" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
The essential information about FCC and CE explained. Thank you very much Clemens Mayer.
    </div>


    <div class="blog-content-chapters">
        <div>
            Chapters:
        </div>
        <ul class="chapters-list">
            <li class="chapters-list-item"><span class="chapters-time">00:00</span><span class="chapters-text">What is this video about</span></li>
            <li class="chapters-list-item"><span class="chapters-time">01:28</span><span class="chapters-text">Why is this topic important?</span></li>
            <li class="chapters-list-item"><span class="chapters-time">04:05</span><span class="chapters-text">Overview of the video</span></li>
            <li class="chapters-list-item"><span class="chapters-time">06:29</span><span class="chapters-text">What the FCC considers a module</span></li>
            <li class="chapters-list-item"><span class="chapters-time">10:37</span><span class="chapters-text">Difference between FCC and CE</span></li>
            <li class="chapters-list-item"><span class="chapters-time">22:50</span><span class="chapters-text">Where to find compliance documents and standards</span></li>
            <li class="chapters-list-item"><span class="chapters-time">28:11</span><span class="chapters-text">How to know which certification your product needs</span></li>
            <li class="chapters-list-item"><span class="chapters-time">33:46</span><span class="chapters-text">Lab report vs. Declaration of conformity</span></li>
            <li class="chapters-list-item"><span class="chapters-time">38:30</span><span class="chapters-text">Sub-assemblies</span></li>
            <li class="chapters-list-item"><span class="chapters-time">43:10</span><span class="chapters-text">Steps to EU compliance</span></li>
            <li class="chapters-list-item"><span class="chapters-time">45:27</span><span class="chapters-text">Self-certification</span></li>
            <li class="chapters-list-item"><span class="chapters-time">47:04</span><span class="chapters-text">Misuse of CE marking</span></li>
            <li class="chapters-list-item"><span class="chapters-time">51:07</span><span class="chapters-text">Costs</span></li>
            <li class="chapters-list-item"><span class="chapters-time">52:02</span><span class="chapters-text">How to obtain CE marking</span></li>
            <li class="chapters-list-item"><span class="chapters-time">57:07</span><span class="chapters-text">Pre-compliance testing</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:00:56</span><span class="chapters-text">When does a module make sense?</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:07:24</span><span class="chapters-text">Compliance is more than RED and EMC</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:14:15</span><span class="chapters-text">Own pre-compliance setup</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:17:03</span><span class="chapters-text">Example: Arduino compatible Devkit with ESP32</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:30:03</span><span class="chapters-text">Example: Bluetooth connected action camera</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:34:46</span><span class="chapters-text">Example: Long range Wifi Door Alarm</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:37:30</span><span class="chapters-text">Example: Dancing Robot Kit</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:45:21</span><span class="chapters-text">How to figure it out for your product</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:49:04</span><span class="chapters-text">Who can help with certification</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:56:03</span><span class="chapters-text">How Smander can help</span></li>
            <li class="chapters-list-item"><span class="chapters-time">2:00:49</span><span class="chapters-text">Outro</span></li>
    </div>


    
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://www.linkedin.com/in/mayermakes/">Clemens´ LinkedIn</a></li>
            <li class="links-list-item"><a href="https://smander.com/">Clemens´ company</a></li>
            <li class="links-list-item"><a href="https://early.smander.com/individual-consultation-session/">Consultation</a></li>
            <li class="links-list-item"><a href="https://europa.eu/youreurope/business/product-requirements/labels-markings/ce-marking/">CE marking</a></li>
            <li class="links-list-item"><a href="https://docs.google.com/forms/d/e/1FAIpQLSf1XeGQZQfP1SK2IIJJ2RDUrI0G2zy0QehDHxjHA2EUdNwUlQ/viewform">FEDEVEL Community Membership</a></li>
            
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
            <li class="links-list-item"><a href="https://discord.com/invite/8a8dUcHmrx">Ask questions on our FEDEVEL Discord</a></li>
        </ul>
    </div>  
</div>

Everyone designing PCB boards needs to watch this - Certification ( FCC & CE )

<div class="entry-content">
    <div class="jetpack-video-wrapper"><span class="embed-youtube" style="text-align:center; display: block;"><iframe src="https://www.youtube.com/embed/haal5n355PQ" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
Explaining process of making chips. Thank you very much Heather Richardson.
    </div>


    <div class="blog-content-chapters">
        <div>
            Chapters:
        </div>
        <ul class="chapters-list">
            <li class="chapters-list-item"><span class="chapters-time">00:00</span><span class="chapters-text">What is this video about</span></li>
            <li class="chapters-list-item"><span class="chapters-time">01:37</span><span class="chapters-text">Silicon and wafers</span></li>
            <li class="chapters-list-item"><span class="chapters-time">05:09</span><span class="chapters-text">The process</span></li>
            <li class="chapters-list-item"><span class="chapters-time">06:59</span><span class="chapters-text">Doping</span></li>
            <li class="chapters-list-item"><span class="chapters-time">10:06</span><span class="chapters-text">Making an inverter</span></li>
            <li class="chapters-list-item"><span class="chapters-time">14:17</span><span class="chapters-text">Gate oxide</span></li>
            <li class="chapters-list-item"><span class="chapters-time">17:16</span><span class="chapters-text">Source and drain regions</span></li>
            <li class="chapters-list-item"><span class="chapters-time">18:45</span><span class="chapters-text">Why analog chips are harder to build</span></li>
            <li class="chapters-list-item"><span class="chapters-time">26:16</span><span class="chapters-text">Connecting transistors</span></li>
            <li class="chapters-list-item"><span class="chapters-time">32:14</span><span class="chapters-text">PDK - Process Design Kit</span></li>
            <li class="chapters-list-item"><span class="chapters-time">38:39</span><span class="chapters-text">Steps of designing chip</span></li>
            <li class="chapters-list-item"><span class="chapters-time">43:38</span><span class="chapters-text">Parameterized cells</span></li>
            <li class="chapters-list-item"><span class="chapters-time">48:24</span><span class="chapters-text">How long does chip manufacturing take</span></li>
            <li class="chapters-list-item"><span class="chapters-time">55:11</span><span class="chapters-text">How much does it cost</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:04:26</span><span class="chapters-text">Foundries (Factories manufacturing chips)</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:07:52</span><span class="chapters-text">Reticle</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:13:50</span><span class="chapters-text">Capacitors and resistors</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:18:56</span><span class="chapters-text">US and global IC manufacturing</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:23:28</span><span class="chapters-text">Why is it expensive to build and run chip factory</span></li>
            <li class="chapters-list-item"><span class="chapters-time">1:28:38</span><span class="chapters-text">About Heather</span></li>
    </div>


    
    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="https://www.linkedin.com/in/heather-electric/">Heather's LinkedIn</a></li>
            <li class="links-list-item"><a href="https://docs.google.com/forms/d/e/1FAIpQLSf1XeGQZQfP1SK2IIJJ2RDUrI0G2zy0QehDHxjHA2EUdNwUlQ/viewform">FEDEVEL Community Membership</a></li>
            
            <li class="links-list-item"><a href="https://fedevel.com/courses">FEDEVEL Online courses</a></li>
            <li class="links-list-item"><a href="https://discord.com/invite/8a8dUcHmrx">Ask questions on our FEDEVEL Discord</a></li>
        </ul>
    </div>  
</div>

How Are Chips Manufactured?

<div class="entry-content">

    <div class="blog-content">
        Here is the PCB stackup what I normally start with + requirements for minimum VIA, track, clearance and impedances.
        <ul class="content-list">
            <li class="content-list-item"><span class="content-text"><b>12 Layers:</b>
                <ul class="content-list">
                    <li class="content-list-item"><span class="content-text">L1 – Signal</span></li>
                    <li class="content-list-item"><span class="content-text">L2 – GND</span></li>
                    <li class="content-list-item"><span class="content-text">L3 – Signal</span></li>
                    <li class="content-list-item"><span class="content-text">L4 – Signal</span></li>
                    <li class="content-list-item"><span class="content-text">L5 – GND</span></li>
                    <li class="content-list-item"><span class="content-text">L6 – Powers</span></li>
                    <li class="content-list-item"><span class="content-text">L7 – Powers</span></li>
                    <li class="content-list-item"><span class="content-text">L8 – GND</span></li>
                    <li class="content-list-item"><span class="content-text">L9 – Signal</span></li>
                    <li class="content-list-item"><span class="content-text">L10 – Signal</span></li>
                    <li class="content-list-item"><span class="content-text">L11 – GND</span></li>
                    <li class="content-list-item"><span class="content-text">L12 – Signal</span></li>
                </ul>       
            </span></li>
            <li class="content-list-item"><span class="content-text"><b>Required impedances</b>
                <ul class="content-list">
                    <li class="content-list-item"><span class="content-text">Single ended: 50 OHMs (all signal layers)</span></li>
                    <li class="content-list-item"><span class="content-text">Differential: 70, 90 and 100 OHMs (all signal layers)</span></li>
                </ul>       
            </span></li>
            <li class="content-list-item"><span class="content-text"><b>Other requirements</b>
                <ul class="content-list">
                    <li class="content-list-item"><span class="content-text">Minimum through-hole VIA: 0.45mm (pad) / 0.2mm (drill)</span></li>
                    <li class="content-list-item"><span class="content-text">Minimum track / clearance: 0.1 mm / 0.1 mm (more expensive PCB: 0.075mm / 0.075mm)</span></li>
                </ul>       
            </span></li>
            <li class="content-list-item"><span class="content-text"><b>If uVIAs are used</b>
                <ul class="content-list">
                    <li class="content-list-item"><span class="content-text">uVIA: 0.25mm (pad) / 0.1mm (laser drilled hole)</span></li>
                    <li class="content-list-item"><span class="content-text">buried VIA: 0.45mm (pad) / 0.2mm (drill)</span></li>
                </ul>       
            </span></li>
        </ul>
     </div>

    <div class="blog-content-text">
        I also found useful information about HDI stackups in this Mentor document: <a href="http://www.mentor.com/pcb/resources/overview/hdi-layer-stackups-for-large-dense-pcbs-723df14d-88f7-4e34-b47f-178d8c69ba1b" >HDI Layer Stackups for Large Dense PCBs</a><br><br>

        HDI PCB technology comparison (picture from the Mentor document)
    </div>

    
    <div class="blog-content-img-wrapper">
        <img src="https://assets.fedevel.com/blog/2019/10/3ef7e-stackup_example.jpg" alt="stackup_example" />
    </div>

    <div class="blog-content-links">
        <div>
            Links:
        </div>
        <ul class="links-list">
            <li class="links-list-item"><a href="http://www.mentor.com/pcb/resources/overview/hdi-layer-stackups-for-large-dense-pcbs-723df14d-88f7-4e34-b47f-178d8c69ba1b" >HDI Layer Stackups for Large Dense PCBs</a></li>
        </ul>
    </div>  
</div>

PCB stackup example – minimum track, clearance, VIA …

<div class="entry-content">
    <div class="jetpack-video-wrapper"><span class="embed-youtube" style="text-align:center; display: block;"><iframe src="https://www.youtube.com/embed/yjFuTdVEd7Q" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        Short tutorial which describes how to start using Cadence Allegro. Explains basic commands and how to:
        <ul class="content-list">
            <li class="content-list-item"><span class="content-text">highlight / de-highlight net</span></li>
            <li class="content-list-item"><span class="content-text">switch between layers</span></li>
            <li class="content-list-item"><span class="content-text">get information about a component</span></li>
            <li class="content-list-item"><span class="content-text">measure</span></li>
            <li class="content-list-item"><span class="content-text">move objects</span></li>
            <li class="content-list-item"><span class="content-text">delete</span></li>
            <li class="content-list-item"><span class="content-text">route</span></li>
            <li class="content-list-item"><span class="content-text">slide tracks …</span></li>
        </ul>
    </div>
</div>


How to start with Cadence Allegro – Very simple tutorial

<div class="entry-content">
    <div class="jetpack-video-wrapper"><span class="embed-youtube" style="text-align:center; display: block;"><iframe src="https://www.youtube.com/embed/gL1oSBMsLn8" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe></span>
    </div>
    <div class="blog-content">
        This video shows how to modify polygon pour edges in Altium Designer.
    </div>
</div>


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Factory Tour in China - How Boards Are Made | SenRuiDa PCBA

Everyone designing PCB boards needs to watch this - Certification ( FCC & CE )

How Are Chips Manufactured?

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