SMT Assembly line Power Supply: AC:220±10%,50/60HZ Control Method: PC Control PCB Size/Max:1200*340mm Weight Approx:1500Kg Product description: Automatic1200mm Solder paste printer for SMT assembly line-Good Price! Good Quality! Good
ScanINSPECT SPI provides a simple and user-friendly alternative to inaccurate and time-consuming manual inspection methods or expensive, high-end AOI systems. ScanINSPECT SPI uses a simple Windows user interface integrated with an automatic conveyo
Technical Library | 2013-06-13 15:31:24.0
Electromigration (EM) is a mass transportation mechanism driven by electron wind force, thermal gradient, chemical potential and stress gradient. According to Moore’s law, number of transistors on integrated circuits (ICs) doubles approximately every 2 years. Moore’s law holds true since its introduction in 1970s. This insatiable demand for smaller ICs size, larger integration and higher Input/Output (IO) count of microelectronics has made ball grid array (BGA) the most promising connection type in electronic packaging industry. This trend, however, renders EM reliability of solders joints a major bottleneck to hinder further development of electronics industry...
Electronic Packaging Laboratory, State University of New York
Technical Library | 2022-10-31 17:09:04.0
The global transition to lead-free (Pb-free) electronics has led component and equipment manufacturers to transform their tin–lead (SnPb) processes to Pb-free. At the same time, Pb-free legislation has granted exemptions for some products whose applications require high long-term reliability. However, due to a reduction in the availability of SnPb components, compatibility concerns can arise if Pb-free components have to be utilized in a SnPb assembly. This compatibility situation of attaching a Pb-free component in a SnPb assembly is generally termed "backward compatibility." This paper presents the results of microstructural analysis of mixed solder joints which are formed by attaching Pb-free solder balls (SnAgCu) of a ball-grid-array component using SnPb paste. The experiment evaluates the Pb phase coarsening in bulk solder microstructure and the study of intermetallic compounds formed at the interface between the solder and the copper pad.
Technical Library | 2020-11-24 23:01:04.0
The miniaturization trend is driving industry to adopting low standoff components or components in cavity. The cost reduction pressure is pushing telecommunication industry to combine assembly of components and electromagnetic shield in one single reflow process. As a result, the flux outgassing/drying is getting very difficult for devices due to poor venting channel. This resulted in insufficiently dried/burnt-off flux residue. For a properly formulated flux, the remaining flux activity posed no issue in a dried flux residue for no-clean process. However, when venting channel is blocked, not only solvents remain, but also activators could not be burnt off. The presence of solvents allows mobility of active ingredients and the associated corrosion, thus poses a major threat to the reliability. In this work, a new halogen-free no-clean SnAgCu solder paste, 33-76-1, has been developed. This solder paste exhibited SIR value above the IPC spec 100 MΩ without any dendrite formation, even with a wet flux residue on the comb pattern. The wet flux residue was caused by covering the comb pattern with 10 mm × 10 mm glass slide during reflow and SIR testing in order to mimic the poorly vented low standoff components. The paste 33-76-1 also showed very good SMT assembly performance, including voiding of QFN and HIP resistance. The wetting ability of paste 33-76-1 was very good under nitrogen. For air reflow, 33-76-1 still matched paste C which is widely accepted by industry for air reflow process. The above good performance on both non-corrosivity with wet flux residue and robust SMT process can only be accomplished through a breakthrough in flux technology.
New Equipment | Soldering - Other
SMT Stencil Printer Automatic 1200mm Solder paste printer for SMT assembly line Power Supply: AC:220±10%,50/60HZ Control Method: PC Control PCB Size/Max:1200*340mm Weight Approx:1500Kg Product description: Automatic1200mm So
Industry News | 2011-09-28 19:53:50.0
AIM announces that Karl Seelig, Vice President of Technology, will present a paper titled “Overcoming the Challenges of QFNs” at the upcoming SMTA International Conference & Exhibition.
Industry News | 2020-06-07 04:44:33.0
PDR X-ray Solutions is pleased to announce that its 2D and 2D+ X-ray systems have set a new industry standard for high-quality X-ray images at an affordable price. Choosing the correct system for your requirements such as X-ray for quality control or X-ray for process control is vital for the success of both X-ray circuit board inspection programs as well as X-ray semiconductor inspection programs.
China Automatic Solder paste printer Factory Power Supply: AC:220±10%,50/60HZ Control Method: PC Control PCB Size/Max: 850*500mm Weight Approx:1300Kg Product description: China Automatic Solder paste printer Factory, Power Supply: AC:220±10%,5
