... regression (GPR) Computational fluid dynamics (CFD) Reflow soldering Yangyang Lai can be contacted at: ylai9@binghamton.edu 17 03 2023 20 04 2023 10 05 2023 © Emerald Publishing Limited 2023 Emerald Publishing Limited Licensed re-use rights only Figure 2...

.../methodology/approach In this study, computational fluid dynamics modeling is used to simulate the reflow soldering process. The training data provided to the machine learning (ML) model is generated from a programmed system based on the physics model. Support vector regression and an artificial neural...

... by violating the minimal electrical clearance on the printed circuit board (PCB). In modern lead-free reflow soldering, especially in high-reliability industries, such as automotive, aeroplane and aerospace, detecting and preventing such defects is essential in reliable and cost-effective manufacturing...

...Yutian Yin; Hongda Zhou; Cai Chen; Yi Zheng; Hongqiao Shen; Yubing Gong Purpose The simulated temperature profile of the printed circuit board assembly (PCBA) during reflow soldering process deviates from the actual profile. To reduce this relative deviation, a new strategy based on the Kriging...

... 2020 14 06 2020 15 06 2020 © Emerald Publishing Limited 2020 Emerald Publishing Limited Licensed re-use rights only Reflow soldering Intermetallic compound Isothermal aging ENImAg Thickness Reflow soldering is a process of attaching the solder or surface mount...

...Barbara Dziurdzia; Maciej Sobolewski; Janusz Mikołajek; Sebastian Wroński Purpose This paper aims to investigate voiding phenomena in solder joints under thermal pads of light-emitting diodes (LEDs) assembled in mass production environment by reflow soldering by using seven low-voiding lead-free...

.... Attila Geczy can be contacted at: gattila@ett.bme.hu 15 11 2019 06 02 2020 11 02 2020 © Emerald Publishing Limited 2020 Emerald Publishing Limited Licensed re-use rights only Vapour phase soldering (VPS), or condensation reflow soldering, is a complex heat transfer...

... the component’s self-alignment point of view. Furthermore, machine learning-based predictors can be applied in the field of reflow soldering technology, and artificial neural networks can predict the component self-alignment with an appropriately low error. Oliver Krammer can be contacted at: krammer@ett.bme.hu...

.... Design/methodology/approach This study was written according to the results of a wide literature review about the substantial previous works in the past decade and according to the authors’ own results. Findings Up to now, a part of the electronics industry believes that the reflow soldering...

... printing to control a thickness of SP and reflow soldering oven to minimize the number of voids. The LED with SP1, SP2 and SP3 is tested at various input currents and ambient temperatures. Findings The results indicate that at high input current, which equals to 1,200 mA, R_th–JA...

... Publishing Limited 2018 Emerald Publishing Limited Licensed re-use rights only Intermetallic compounds IMC Solder alloys Diffusion Reflow soldering Sn-Zn Tin has long been used as a solder material in the form of an alloy with Pb. The adoption of the Waste Electrical and Electronic...

... soldering Numerical simulation Gas void Vacuum VPS Vapour phase soldering (VPS) is a reflow soldering method. The principle of the VPS is the use of the heat transfer effect of condensation. During the process, a special heat transfer fluid is boiled at the bottom of a closed tank, which...

... ; Górecki and Ptak, 2015). A temperature rise causes essential worsening of reliability of LEDs and limits the value of such important exploitive parameters as the luminous flux (Górecki, 2015 ; Narendran and Gu, 2005). Solder SMD Reflow soldering X-ray imaging Thermal profiling Measurements...

...). Alexander Hanss can be contacted at: alexander.hanss@thi.de 06 10 2017 08 12 2017 12 01 2018 © Emerald Publishing Limited 2018 Emerald Publishing Limited Licensed re-use rights only Reflow soldering LED Fluxless Solder process Fluxless soldering denotes...

... and can be complemented with numerical calculations. The results highlight the importance of precise PCB holding instrumentation in VPS ovens. Reflow soldering Thermal profiling Filmwise condensation Inclination Vapour phase soldering Vapour phase soldering (VPS) is a reflow soldering...

... On the basis of cause and effect diagram for solder voiding, the potential causes of voids and influence of process variables on void formation were found. Three process variables were chosen: the type of reflow soldering, vacuum incorporation and the type of solder paste. Samples of LEDs were mounted...

... soldering process, optimization and the future challenges in the reflow soldering process. Besides, the numerical approach of lead-free solder reliability is also discussed. Design/methodology/approach Lead-free reflow soldering is one of the most significant processes in the development of surface...

...Liming Chen; Enying Li; Hu Wang Purpose Reflow soldering process is an important step of the surface mount technology. The purpose of this paper is to minimize the maximum warpage of shielding frame by controlling reflow soldering control parameters. Design/methodology/approach Compared...

... the liquidus and solidus temperatures of the alloy. The heating factor describes the nature of the reflow heat transfer at the peak more precisely than the simple peak temperature or the TAL value. The formula for the heating factor is described by equation (1): Equation 1 Reflow soldering Thermal...

... the most diverse thermal conditions (different sizes of electronic components packages and different placement densities). Shear strength Solder joints Reflow soldering Reliability X-ray imaging The highly advanced development of the electronics industry means that almost every technical...