pcb silver immersion
Silver immersion does not have the good physical strength of electroless nickel/gold plating because...
Контрактное производство электроники под ключ в Китае
Шэньчжэнь, район Баоань, улица Фуюн, улица Фуцяо, район 3, промышленный парк Лонгхуй 6
How to choose PCB surface treatment process?
The results show that the latest organic coating technology can maintain good performance in multipl...
PCB design on the "hole cover oil" and "hole open window" usage distinction
Many customers use pad(plug-in holes) to represent conductive holes, thus causing your conductive ho...
How does Mentor's PCB design software handle differential line teams?
In the real world, in addition to considering signal quality, power source plane coupling (using adj...
In high speed PCB design, designers should consider from what aspects EMC, EMI rules?
When selecting the driver chip, in addition to ensuring that it basically matches the load and that ...
How to meet EMC requirements as far as possible without causing too much cost pressure?
That is to say, the digital-to-analog undivided way can only be used when the analog circuit area is...
Can ground be added in the middle of differential signal line?
RC filtering is that the resistance itself consumes energy and has poor efficiency, and attention sh...
About the test coupon
In principle, the smaller the test point, the better (of course, to meet the requirements of the tes...
Questions and Answers about experience sharing in high frequency PCB circuit design
one is that two lines walk on the same layer (side-by-side), the other is that two lines walk on two...
Precautions for PCB baking
The dielectric constant of substrates and prepreg materials using epoxy glass can be controlled by c...
Design performance requirements of PCB multi-substrate
In order to minimize the chance of PCB board distortion and obtain a flat finished board, the layeri...
Why should expired PCB be baked before SMT or furnace?
a large number of pre-test printing solder paste production several pieces to determine no solder pr...
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