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Found 5 results

  1. Choosing the right Surface Finish for Chip on Board assembly is crucial. One of the most frequent questions we are asked at KingCredie Technologies is how should my PCB be plated in order to ensure wire bond-ability. PCB Plating for Chip on Board Assembly must be planned in advance to ensure manufacturability of the device. This planning begins with design rules and selecting the wire bond method to be used. Common wire bond materials include aluminum or gold wire. Aluminum Wedge Wire Bonding and ENIG Plating One of the most common wire bond methods for COB assembly is aluminu
  2. This is a question always been asked so I try to make this list to cover as many pcb manufacturers as I can. This is a listing of websites making PCBs and also may including PCBAs. I will try to update the infomation now and then. http://www.pcbway.com/ -$5!!! http://www.pcbgeek.com/ http://www.sfcircuits.com http://expresspcb.com/ http://www.apcircuits.com/ http://www.10pcb.com/ http://www.goldphoenixpcb.com/ http://batchpcb.com/index.php/Products http://www.pad2pad.com/index.html http://www.pcbcart.com./ http://www.4pcb.com/ http://www.pcbfinpo.com/ http://www.sunstone.com/ http://www.pmsn
  3. Hi all, I found a ver very good and really cheap pcb service! Its called PCBWay, and they have cheap 2layer 10x 10x10cm pcb for just $5! and shipping to the Netherlands was just $7!(china post) And they have real good and very kind customer service witch reply back very fast and every question i had got answered in not time AND they give you $5 free for your first order! Pcb's look good and came fast. All pcb's where exported with eagle. I got 2 extra pcb's(win win) probably if a pcb fails check or something. I used blue silkscreen with white text for the pcb and a
  4. How do you go about designing your own PCB? The ins and outs of PCB design are way too in depth to get into here, but if you really want to get started, here are some pointers: 1. Find a CAD package: there are a lot of low-cost or free options out there on the market for PCB design. Things to consider when choosing a package: 2. Community support: are there a lot of people using the package? The more people using it, the more likely you are to find ready-made libraries with the parts you need. 3. Ease-of-use: if it’s painful to use it, you won’t. 4.
  5. Q: At a fixed board size, if the design need to accommodate more functionality, they often need to increase the density of PCB traces, but this can lead to mutual interference traces enhanced while the traces are too small to make impedance can not be reduced, may I ask what skill at high speed (> 100MHz) high density PCB design? A: in the high-speed high-density PCB design, the crosstalk (crosstalkinterference) really should pay special attention because of its timing (timing) and signal integrity sex (signalintegrity) has a great influence. Here are a few caveats: 1. Continuous c
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