sasa11
Jan 09,2014
1062
Switching time PCB circuit board assembly and special performance
Assembly of electronic products because of the large number of components , as well as a wide variety of electronic product life cycle is short and so on , to the production operation scheduling an en...
sasa11
Jan 09,2014
856
PCB copy board processing gold plating layer blackened main reason analysis
1 , electroplated nickel layer thickness control . We must say that the gold plating layer of black issues , we will discuss how the thickness of the nickel plating . In fact, PCB circuit boards are ...
sasa11
Jan 09,2014
486
Circuit board production process changes the size of the problem solving
Reason: 1 , did not pay attention to the fiber direction , caused by differences in substrate size Jingwei direction changes ; due to shear . Residual shear stress caused in the substrate , once rele...
sasa11
Jan 09,2014
424
How to use light-emitting diode circuit boards
With increasingly sophisticated consumer electronics products , such products as circuit boards with increasingly sophisticated consumer electronics products , such as products containing PCB boards a...
sasa11
Jan 09,2014
532
PCB circuit boards color difference will affect the electrical performance?
pcb circuit board making an impact when it will not have electrical properties of different colors , because its performance is determined by the level of the materials used , the closely watched in t...
sasa11
Jan 09,2014
694
Insulation board in PCB circuit boards play a important role
pcb board to develop today has more than 100 years of history , it is the provider of electronic components electrical connections, its small footprint, it has been the lack of enterprise wide use . ...
sasa11
Jan 09,2014
505
Specific advantages of electromagnetic compatibility pcb circuit board is ?
pcb circuit boards from single development to double sided, multilayer and flexible board , along with the development of society continues to accelerate , pcb circuit boards are like a high reliabili...
sasa11
Jan 09,2014
1172
LED driver power supply PCB design skills
In any power supply design , PCB board are the last link in the physical design , the design method determines the electromagnetic interference and power stability , we have to analyze these specific ...
sasa11
Jan 08,2014
683
How to Create PCBs
So you have that circuit designed and ready. You did some computer aided simulations and the circuit is working great. Only one thing left! You need to create a printed circuit board for the circuit s...
sasa11
Jan 08,2014
1187
Circuit board soldering
A printed circuit board (pcb) mechanically supports and electrically connects electronic components using conductive tracks, pads and other features etched from copper sheets laminated onto a non-cond...
sasa11
Jan 08,2014
1064
Creating Printed Circuit Boards (PCBs)
Creating printed circuit boards (PCBs) is easy and fun for the whole family! But read the disclaimer -- heat and corrosive chemicals are dangerous ;-) After you've prototyped and tested your circuit d...
sasa11
Jan 08,2014
2817
Circuit board materials
A printed circuit board (pcb) mechanically supports and electrically connects electronic components using conductive tracks, pads and other features etched from copper sheets laminated onto a non-cond...
sasa11
Jan 08,2014
479
Marking print
A marking print is helpful for error-free manual assembly, but also for including a revision number on the circuit board. Multi PCB can provide marking prints in the colours white, yellow, and black. ...
sasa11
Jan 08,2014
3850
Milling of PCB
Printed circuit board breakouts and contours are normally milled. Please observe the following rules: ■Milling with a diameter of 2.0mm or 2.4mm is at no extra cost (the price for the milling distan...
sasa11
Jan 08,2014
933
Scoring of PCB
Scoring is used for mechanical pre-separation of circuit boards. A V-shaped breaking line is formed in the circuit board with a precision cutting tool. Please observe the following rules:■The circuit ...
sasa11
Jan 08,2014
1149
PC & PCI cards
Printed circuit boards are connected directly to a motherboard (mainboard) using PC / PCI slot connectors. There is a difference between the PC-AT Standard (also called “ISA”) with a grid spacing of 2...
sasa11
Jan 08,2014
687
Plated Half-hole
Plated half-holes are predominantly used for board-on-board connections, mostly where two printed circuit boards with different technologies are combined. E.g. the combination of complex microcontrole...
sasa11
Jan 08,2014
543
Processing instructions for Printed Circuit Boards
printed circuit boards of all types will possibly absorb moisture already during transportation and following storing, due to the hygroscopic property of its base material. This may lead to considerab...
sasa11
Jan 08,2014
574
Take a First Look at SMT PCB
Surface-mount technology (SMT) is a PCB method for producing electronic circuits in which the components are mounted or placed directly onto the surface of printed circuit boards (PCBs). Surface-mount...
sasa11
Jan 08,2014
652
Advantages of SMT PCB
The main advantages of pcb board SMT over the older through-hole technique are: Smaller components. As of 2012 smallest was 0.4 × 0.2 mm (0.016 × 0.008 in: 01005). pcb board Expected to sample in 201...
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