NEWS
新闻资讯
2022-12-02
Before the Montreal Agreement, almost all circuit boards needed to be cleaned after welding. After the Montreal Agreement, cleaning became an activity of only a small number of high-reliability assemblers, who carried out cleaning because they were required to do so by strict regulations. The cleaning equipment market has become highly specialized, with many previously known manufacturers of high-speed in-line (with conveyor belt) flux cleaning equipment either exiting the cleaning industry or merging with surviving companies. Small-batch batch cleaning systems replace larger, faster cleaning systems because they are suitable for small-batch/high-mix applications common in high-reliability environments and are highly efficient.
2022-12-02
Classification, type and characteristics of flux
The brazing flux (flux) is the flux used in the brazing process, and is used in combination with the brazing filler metal to ensure the smooth brazing process and obtain a dense joint. The function of flux is to remove the oxide on the surface of molten solder and base metal, protect the surface of solder and base metal from further oxidation, improve the wettability of solder to base metal, promote the interface activation, so that it can realize the brazing process smoothly. The reasonable selection of flux and filler metal plays a key role in the quality of brazed joints.
2022-12-02
Lead-free reflow soldering - flux
The standardization of the alloy composition of lead-free solder is not clearly stipulated at present. The opinion of most business associations such as IPC: Alloys with lead content <0.1-0.2WT % (tend to < 0.1%, and do not contain any other toxic elements are called lead-free solder alloys. Lead-free solder alloy
2022-12-02
Formula mechanism and application of solder paste
With the application of reflow welding technology, solder paste has become the most important process material in surface assembly technology (SMT), and has developed rapidly in recent years.
2022-01-10
First clarify a concept about cleaning and non-cleaning, even if the so-called no-cleaning flux, it cannot be said that it does not need to be cleaned or can not be cleaned, and the so-called non-no-cleaning flux does not mean that it must be cleaned after welding.
2021-11-12
The functions of the flux are: "assisting heat conduction", "removing oxides", "reducing the surface tension of the welded material", "removing the oil on the surface of the welded material, increasing the welding area", and "preventing reoxidation".
Boyilai Electronic
FAX
+86-0755-86008042
ADD
Room 519, East Block, Dingxin Building, Shahe West Road, Nanshan District, Shenzhen