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Design and Manufacture Desiccant Dry Cabinets for low humidity storage and baking of moisture sensitive components, PCBs, electronic materials, lab samples, digital media and medical devices.
The world-class precision and quality Spectrum® II system for assembly of mobile electronics, semiconductors, MEMS, and PCBs High Speed, High Accuracy, Precision Dispensing System. Higher consistency leads to higher yield and maximum profitability
New Equipment | Board Handling - Storage
Dr. Storage offers the most diverse selection of Dry Cabinets in the industry. The latest Dr. Storage cabinets include cabinets drying at 1% RH, drying at less than 1% RH and baking at 60°C. Cabinets are plug and play so they are up and running easil
Electronics Forum | Thu Jul 12 02:15:53 EDT 2012 | thmeier
Check also the specs / recommendations of your PCB manufacturer. We bake boards 4h/120°C before reflow and after automated cleaning (it´s not FR4!) and also if we have to rework with the autometd rework- stations (massive IR underheating ,..). Regar
Electronics Forum | Wed Jul 11 22:48:54 EDT 2012 | joeion
It is correct to remove moisture in PCB by baking. But I think the time and temperature is too little. According to our experience, it should be more than 60min at 120 centigrade degrees.
Industry News | 2018-10-18 10:51:08.0
How Conformal Coating Protects PCBs
Industry News | 2018-10-18 10:23:07.0
Typical RoHS Issues in PCB Assembly
Technical Library | 2018-09-21 10:12:53.0
Moisture accumulates during storage and industry practice recommends specific levels of baking to avoid delamination. This paper will discuss the use of capacitance measurements to follow the absorption and desorption behaviour of moisture. The PCB design used in this work, focused on the issue of baking out moisture trapped between copper planes. The PCB was designed with different densities of plated through holes and drilled holes in external copper planes, with capacitance sensors located on the inner layers. For trapped volumes between copper planes, the distance between holes proved to be critical in affecting the desorption rate. For fully saturated PCBs, the desorption time at elevated temperatures was observed to be in the order of hundreds of hours. Finite difference diffusion modelling was carried out for moisture desorption behaviour for plated through holes and drilled holes in copper planes. A meshed copper plane was also modelled evaluating its effectiveness for assisting moisture removal and decreasing bake times. Results also showed, that in certain circumstances, regions of the PCB under copper planes initially increase in moisture during baking.
Technical Library | 2021-04-08 00:34:16.0
Creep corrosion is not a new phenomenon, it has become more prevalent since the enactment of the European Union's Restriction of Hazardous Substance (RoHS) Directive on 1 July 2006. The directive bans the use of lead and other hazardous substances in products (where lead-based surface finishes offered excellent corrosion resistance). The higher melting temperatures of the lead-free solders and their poor wetting of copper metallization on PCBs forced changes to PCB laminates, surface finishes and processing temperature-time profiles. As a result, printed circuit boards might have higher risk of creep corrosion.
With the Spectrum II's new Precision Z-axis, smaller dots and thinner solder paste lines can be achieved. This capability is standard on all Spectrum II systems and replaces the Precision Z option on the older Axiom products. In order to achieve su
With the development of miniaturization of assembly components, the layout area and pattern design area of PCBs have also been continuously reduced, and PCB manufacturers are constantly updating the production process to conform to the development tr
Events Calendar | Wed Mar 07 00:00:00 EST 2018 - Wed Mar 07 00:00:00 EST 2018 | ,
Solder Paste Qualification Testing - SMTA Webinar
Events Calendar | Wed May 31 00:00:00 EDT 2023 - Wed May 31 00:00:00 EDT 2023 | Holtsville, New York USA
Long Island Chapter Meeting: Fine Feature Paste Printing, Stencil Design and Solder Technology
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3D ICs With TSVs - Design Challenges And Requirements Heat Management in Printed Circuit Boards This report discusses the significance of heat management in the design of printed circuit boards (PCB).After an introduction into the basics of PCBs
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Flexible PCB, Meet Flexible Dispensing ASYMTEK Products Corporate | Global Directory | Languages Division Only All of Nordson Fluid Dispensing Systems Jets
Products, services, training & consulting for the assembly, rework & repair of electronic assemblies. BGA process experts. Manufacturers Rep, Distributor & Service Provider for Seamark/Zhuomao and Shuttle Star BGA Rework Stations.
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