Ultra-precision PCB Fabrication, High Frequency PCB, High Speed PCB, IC Substrate, Multilayer PCB and PCB Assembly.
The most reliable PCB custom service factory.
PCB Tech

PCB Tech

PCB Tech

PCB Tech

The basic operation process of reflow soldering
2021-09-30
View:26
Author:Frank

The basic operation process of reflow soldering
Reflow soldering is to solder the components to the PCB board, and reflow soldering is to mount the components on the surface. Reflow soldering relies on the effect of hot airflow on the solder joints. The colloidal flux physically reacts under a certain high temperature airflow to achieve SMD soldering; the reason why it is called "reflow soldering" is because the gas circulates in the soldering machine to generate high temperature to achieve soldering. Purpose.

 

When the PCB enters the heating zone, the solvent and gas in the solder paste evaporate, and at the same time, the flux in the solder paste wets the pads, component ends and pins, and the solder paste softens, collapses, and covers the pads. Isolate the pads and component pins from oxygen.

 

pcb board

When the PCB enters the heat preservation area, the PCB and components are fully preheated to prevent the PCB from suddenly entering the welding high temperature area and damaging the PCB and components.
When the PCB enters the soldering area, the temperature rises rapidly to make the solder paste reach a molten state, and the liquid solder wets, diffuses, flows, or reflows to the PCB pads, component ends and pins to form solder joints.
When the PCB enters the cooling zone, the solder joints are solidified; the reflow soldering is completed.
iPCB is happy to be your business partner. Our business goal is to become the most professional prototyping PCB manufacturer in the world. With more than ten years of experience in this field, we are committed to meeting the needs of customers from different industries in terms of quality, delivery, cost-effectiveness and any other demanding requirements. As one of the most experienced PCB manufacturers and SMT assemblers in China, we are proud to be your best business partner and good friend in all aspects of your PCB needs. We strive to make your research and development work easy and worry-free.
quality assurance
iPCB has passed ISO9001:2008, ISO14001, UL, CQC and other quality management system certifications, produces standardized and qualified PCB products, masters complex process technology, and uses professional equipment such as AOI and Flying Probe to control production and X-ray inspection machines. Finally, we will use double FQC inspection of appearance to ensure shipment under IPC II standard or IPC III standard.
We are not an agent
Our factory is located in China. For decades, Shenzhen has been known as the world's electronics R&D and manufacturing center. Our factory and website are approved by the Chinese government, so you can skip the middleman and buy products on our website with confidence. Because we are a direct factory, this is the reason why 100% of our old customers continue to purchase on iPCB.
No minimum requirements

You can order as little as 1 PCB from us. We will not force you to buy things you really don't need to save money.
Free DFM
Before you pay in the most timely manner, all your orders will receive free engineering document review services by our well-trained professional and technical personnel.