Industry Directory | Manufacturer
We manufacture laser stencil for the PCB industry.
Industry Directory | Distributor / Manufacturer
AOI Vision is the specialized supplier of advanced materials and engineering solutions for SMT PCB screen printing industry. We team up with industry leaders who are equipped with cutting edge technology and innovative products.
Inspection and Data Creation Tool for the Stencil / Screen Fabrication Industry. World's leading solder paste stencil & emulsion screen inspection system. Used by both stencil/screen fabricators and users to detect errors BEFORE production, elimina
New Equipment | Assembly Services
Fine Line Stencil is Committed to Delivering the Highest Quality Laser Stencils in the Industry LPKF Laser Technology / SMT Stencil Laser Technology Laser Slic Stencils / Laser Ultra Slic Stencils Custom Apertures Dog Bone, Home Plate, K
Electronics Forum | Mon Sep 23 02:54:40 EDT 2013 | pradeep_selec
We are using Dpak package & I would like to know which is the best Aperture shape for DPAK, whether is there any problem if the Aperture of Ground pad is made of the same shape & size as the pad & what are the possible issues faced with it. Can I hav
Electronics Forum | Tue Sep 24 10:09:52 EDT 2013 | leigh
Windowpane your ground planes, this will prevent a lot of voiding.
Used SMT Equipment | Screen Printers
Momentum is designed to provide efficiency and speed. With its triple track conveyor rails and servo drive motors, for example, the Momentum Elite model orders the highest performance capacity in the series, making it the ideal printer for high volum
Used SMT Equipment | Screen Printers
Momentum was designed and built to be a no-nonsense production machine. Cost-efficient and featuring a modest footprint, it grows with the user; innovative patented features can be added on or retrofitted as needed as the user’s throughput dema
Industry News | 2003-03-21 08:12:24.0
Tecan reckons it is consistently producing what may be regarded as the most efficient stencils in the world today.
Industry News | 2018-10-18 08:27:03.0
An Analysis of SMT Solder Paste Printing Defects
Technical Library | 2023-06-12 18:33:29.0
This paper presents a real-time predictive approach to improve solder paste stencil printing cycle decision making process in surface mount assembly lines. Stencil cleaning is a critical process that influences the quality and efficiency of printing circuit board. Stencil cleaning operation depends on various process variables, such as printing speed, printing pressure, and aperture shape. The objective of this research is to help efficiently decide stencil printing cleaning cycle by applying data-driven predictive methods. To predict the printed circuit board quality level, a recurrent neural network (RNN) is applied to obtain the printing performance for the different cleaning aging. In the prediction model, not only the previous printing performance statuses are included, but also the printing settings are used to enhance the RNN learning. The model is tested using data collected from an actual solder paste stencil printing line. Based on the predicted printing performance level, the model can help automatically identify the possible cleaning cycle in practice. The results indicate that the proposed model architecture can predictively provide accurate solder paste printing process information to decision makers and increase the quality of the stencil printing process.
Technical Library | 2023-05-02 19:06:43.0
As 0402 has become a common package for printed circuit board (PCB) assembly, research and development on mounting 0201 components is emerging as an important topic in the field of surface mount technology for PWB miniaturization. In this study, a test vehicle for 0201 packages was designed to investigate board design and assembly issues. Design of Experiment (DOE) was utilized, using the test vehicle, to explore the influence of key parameters in pad design, printing, pick-andplace, and reflow on the assembly process. These key parameters include printing parameters, mounting height or placement pressure, reflow ramping rate, soak time and peak temperature. The pad designs consist of rectangular pad shape, round pad shape and home-based pad shape. For each pad design, several different aperture openings on the stencil were included. The performance parameters from this experiment include solder paste height, solder paste volume and the number of post-reflow defects. By analyzing the DOE results, optimized pad designs and assembly process parameters were determined.
Momentum was designed and built to be a no-nonsense production machine. Cost-efficient and featuring a modest footprint, it grows with the user; innovative patented features can be added on or retrofitted as needed as the user’s throughput dema
Momentum was designed and built to be a no-nonsense production machine. Cost-efficient and featuring a modest footprint, it grows with the user; innovative patented features can be added on or retrofitted as needed as the user’s throughput dema
Career Center | , | Engineering,Production
Project Management, SMT Process Engineering
SMTnet Express, September 28, 2017, Subscribers: 30,862, Companies: 10,741, Users: 23,873 An Investigation into the Use of Nano-Coated Stencils to Improve Solder Paste Printing with Small Stencil Aperture Area Ratios Jasbir Bath, Tony Lentz, Greg
ASYMTEK Products | Nordson Electronics Solutions | https://www.nordson.com/en/divisions/efd/resource-center/solder-frequently-asked-questions
. The most effective shape is a triangular shape removed from the inside edge of each aperture, often called reverse home plate. Two other options in use are a home plate shape and simple aperture reduction on the inside edges
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