PCBWay Jan 09,2014 4018

Solder-stop mask

Last updated: August 2020Reason of failed review:A: The Space between IC pads should be at least 0.2mm if solder mask bridge for green soldermask needed of 1oz/2oz/3oz copper board.B: Space between IC...

printed circuit board

sasa11 Jan 09,2014 1061

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...

PCB PCB production PCB assembly

sasa11 Jan 09,2014 855

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 ...

PCB PCB circuit boards

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...

PCB circuit board Circuit board production process

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...

PCB Pcb circuit boar PCB board PCB design board PCB design

sasa11 Jan 09,2014 693

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 . ...

PCB circuit boards Printed Circuit

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...

PCB Pcb circuit boards

sasa11 Jan 08,2014 651

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...

PCB pcb board SMT pcb board performance pcb board circuit board

sasa11 Jan 07,2014 355

BMW solenoid valve solenoid valve position circuit diagram

BMW solenoid valve solenoid valve position circuit diagram

BMW solenoid valve solenoid valve position circuit diagram

sasa11 Jan 06,2014 1990

PCB Surface Treatment Crafts

Definition of surface finishA surface finish can be defined as a coating, either metallic or organic in nature, which is applied to a PCB in order to assure solderability of the metal underneath after...

PCB Surface Treatment printed circuit board