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PCB Assembly Rework & Repair Guidelines

2020-12-25

PCBA Boards can be reworked and repaired. However, only reasonable operations based on scientific guidelines can guarantee the quality of PCBA boards;

How To Choose PCB Assembly Technology For Circuit Board?

2020-12-24

The solder paste is added to the component pad, after the solder paste printing of the bare PCB is completed, the relevant electronic components are mounted through reflow soldering, and then reflow soldering is performed.

Cause Analysis of Welding Defects In PCBA

2020-12-23

The poor solderability of the circuit board holes will result in PCB Assembly and welding defects, which will affect the parameters of the components in the circuit, leading to unstable conduction between the components of the multilayer board and the inn

How To Take Electrostatic Prevention Measures During PCB Assembly?

2020-12-22

During PCB Assembly, processing personnel will strictly follow the bill of materials, PCB silk screen and outsourcing processing requirements to insert or mount components, but electronic components often generate more or less static electricity without p

Analysis Of Solder Beads Defects In SMT Assembly

2020-12-19

SMT Assembly solder beads defects not only affect the appearance but also cause bridging defects. Simply speaking, solder beads can be divided into two categories: One type appears on one side of the SMD component, often in the shape of an independent lar

Brief Introduction Of PCBA Manufacturing Process

2020-12-18

There are various stages in PCBA manufacturing process, including printing solder paste on the circuit board, component placement, soldering, inspection and testing. All these processes are necessary and need to be monitored to ensure that the highest qua

How To Replace SMD Components For SMT Assembly Board?

2020-12-17

It is well known that SMD component is one of the materials that have more contact in SMT Repair. That’s to say, in SMT Assembly, SMD components often need to be replaced from time to time. It seems very simple to replace SMD components, but there are sti

How To Control the Quality of SMT Assembly Reflow Soldering?

2020-12-16

must be soldered to the circuit board through the SMT Assembly reflow soldering process. The advantage of this process is that the temperature is easier to control, oxidation can be avoided during welding, and the cost of manufacturing products is easier

The Influence Of Gold On Solder Joints In SMT Assembly

2020-12-15

In SMT Assembly, gold has become one of the most commonly used surface coating metals due to its excellent stability and reliability. But as an impurity in the solder, gold is very harmful to the ductility of the solder, because the brittle Sn-Au (tin-gol

Choosing HASL or HAL In PCB Assembly?

2020-12-14

At present, there are two kinds of lead processing technology in PCBA, which can be selected according to customer requirements, including HASL and HAL processing technology. However, there are plenty of customers who don’t really understand the differenc

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