With the increase of assembly density and the appearance of fine spacing assembly technology, Nitrogen filled reflow welding...
Liang Guo
Recent Posts
SMT BGA Solder Joint Slice Analysis
by Liang Guo on Nov 7, 2018 10:27:19 PM
With the continued shrinking of electronic components and the addition of many BGAs to electronic products, it has become...
SMT Stencil: SMT Steel Mesh
by Liang Guo on Oct 24, 2018 8:00:00 PM
SMT steel mesh, which is used to consistently distribute solder paste or patch glue, is the outer tool for ensuring the...
A primer on the Lithium Battery Production Process
by Liang Guo on Sep 10, 2018 11:05:40 PM
Lithium batteries have entered people’s daily life on a large scale, but how much do you know about the technology? Where is...
Basics of SMT Solder Paste Printing
by Liang Guo on Sep 3, 2018 10:42:32 PM
Solder paste printing is a key part in the SMT (Surface Mount Technology) process. Since the solder paste is a mixture of...
The Basics of PCB Marking
by Liang Guo on Aug 30, 2018 7:58:00 PM
1. The role of MARK
The "mark point" is also called the reference point and is the point of positioning when the SMT machine...
The SMT PCB Puzzle
by Liang Guo on Aug 17, 2018 8:00:00 AM
When a printed circuit board (PCB) is fabricated, the overall size of the full board will be much larger than the final...

