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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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PCB Assembly: Double-Sided Circuit Board Assembly

2017-04-27

Shenzhen Grande Electronic provides double-sided circuit board assembly services as per customer specifications. Double-sided assembly is a time consuming process, as it involves repetition of the entire parts-placement process on both sides of the PCB.

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PCB Assembly: 4 Techniques for Removing Solder Mask

2017-04-26

What can you do when you find solder mask covering some part of a circuit board where you don't want it. It's certainly not unusual to find test points, ground pads, or even a component footprint inadvertently covered with solder mask. But, all is not los

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What is the differrence between PCB and PCBA?

2017-04-25

On the other hand, PCBA (Printed Circuit Board Assembly) is the board obtained after all printing solder paste on the PCB and then mounting various components like resistors, ICs (Integrated Circuits), capacitors and any other components like transformer

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PCB Assembly: Do Not Include (DNI) vs. Consigned Parts - A Contrast

2017-04-24

WhyaDesignerMightChooseDNIand/orConsignedParts HereatGrandeElectronic,wespecializeinFullTurnkeyPCB&Assemblyservices.ThismeansthatweoffertotakecareofeverypieceofyourPC

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PCB Fabrication: Dimensions of the Drill’s Highest and Lowest Diameter

2017-04-21

The tiniest required or chosen diameter of the drill as per client specifications is called the minimum diameter of the drill. The drill has special significance in the manufacturing of a PCB because it is the second highest cost of all costs of manufactu

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PCB Fabrication: Different Techniques for Plating

2017-04-20

Thehole-wallwillobtainelectro-lesscopperaswellasabout0.025mm(0.001inch)ofelectroplatedcopperonthrough-holePCBsthatareplated.Externallineswillobtainabout0.025mm(0.001inch

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