PCBA Technology News - 2019 Innovations and Future Tech

What are the test requirements for electrical performance?

In order to ensure the testability of electrical performance, the test point design mainly has requirements as below. 1.There are several test points that can be set on the PCB. These test points can be holes or pads. 2.Test requirements of hole setting and reflow soldering via are the same. 3 .T...

Sep-09-2019
PCB assembly process design requirements

PCB assembly is different from traditional through-hole insertion process (THT) in terms of component packaging, production equipment, assembly methods, and soldering processes. SMT uses reflow soldering technology, and the traditional through hole plug-in process (THT) uses wave soldering techno...

Sep-04-2019
when choosing a PCB assembly process factors to be considered

The selection process is mainly based on the assembly density of the printed board and the equipment manufacturing conditions of their pcb. If the SMT production line has two types of welding equipment, reflow soldering and wave soldering, the following considerations can be made. 1.Reflow...

Sep-04-2019
During Pcb manufacturing, how to set up solder mask and wire screen ?

There are two methods for applying the solder mask layer, liquid silk screen solder mask coating method and photo solder resist coating method. The dimensional accuracy of the solder mask fenestration depends on the technological level of the printed board manufacturer. When the liquid screen sol...

Sep-02-2019
Solder paste incomplete melting causes and countermeasures

1.When all the solder joints or most of the solder joints of the pcb assembly board are incompletely melted, indicating the peak temperature of the reflow soldering is low or the reflow time is short, which causes the solder paste to melt insufficiently. Preventive measures: adjust the temperatur...

Aug-28-2019
PCB board supply chain management.

PCB circuit board supply chain management is actually production material management, that is, from materials and component manufacturers to distributors, to terminal products pcb manufacturers, strengthen management of the entire supply chain. Stablizing raw material supply and quality are the b...

Aug-22-2019
Pcb manufacturing production process control

In the Pcb manufacturing production , the solder paste, patch adhesive, and component loss should be managed in a fixed amount and as one of the key process control contents. Pcb manufacturing productiion directly affects the quality of the product, so it is necessary to control the technics para...

Aug-22-2019