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PCB Fabrication: Heavy Copper PCB

2017-05-12

While there is no standard definition of Heavy Copper, it is generally accepted that if 3 ounces (oz) of copper or more is used on the internal and external layers of a printed circuit board, it is called a heavy copper PCB.

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Halogen-free / Lead-free Printed Circuit Boards

2017-05-11

The EU RoHS Directive 2002/95/EC, also known as RoHS or Lead-Free, is the Restriction of Hazardous Substances regulation that specifies the maximum levels of lead in various electric and electronic devices. But in reality RoHS restricts more substances th

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PCB Layout: Generation of Gerber and Excellon files (Eagle CAD)

2017-05-10

You can follow the instruction given below for easily creating Gerber or Ecellon files in Eagle. 1. Select the CAM Processor and execute it. 2. Click the option “Option for Job” in the “File” menu

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PCB Fabrication: Fixtureless PCB Testing

2017-05-09

At Shenzhen Grande Electronic, we guarantee 100% electrical testing on all PCBs that leave our facilities. We make this guarantee in order to ensure both the quality of our work and the satisfaction of our clients.

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PCB Assembly: FPGAs and Microcontrollers - Comparison and Contrast

2017-05-08

Field-Programmable Gate Arrays (FPGAs) and Microcontroller Units (MCUs) are two of the most powerful tools available to an electrical engineer today.

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Fine-Pitch Electronic Assembly

2017-05-05

Shenzhen Grande Electronic offers quality fine-pitch electronic assembly services. We can be easily located and our customers can contact us via different means of channels. Our qualified and experienced engineers are engaged to provide this core service.

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Fiducial Mark for PCB Assembly Alignment

2017-05-04

The alignment mark, commonly called the Fiducial Mark, is the reference position used on assembly machines such as a paste printing machine or a pick-and-place machine to ensure a precise PCB assembly operation.

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PCB Assembly: Exposed Vias in BGA Pads

2017-05-03

Open or exposed vias are never put in BGA pads. However, it is permitted to place them between the pads if a complete solder mask dam is inserted between the pad and the via. You can also instruct your PCBA assembly house to fill and plate the vias,

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PCB Layout: Essential PCB Design Rules

2017-05-02

In order to reduce the chances of manufacturing errors and to lower the cost of you Printed Circuit Boards, following PCB design guidelines are set for best practice. Printed Circuit Boards that work on relatively higher power have an entirely different s

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PCB Fabrication ENIG vs HASL : Different surface finish techniques

2017-04-28

There are many types of surface finish used for plating the Printed Circuit Boards(PCB). E.g. Organic Surface Protectant (OSP), Immersion Silver (IAg), Immersion tin, Electroless Nickel with Immersion Gold coating (ENIG), and direct gold plating (over nic

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