New Equipment | Coating Equipment
ASCEN PCB Surface coating machine protective coating for PCBs and other electronic components from environments that contain moisture and/or chemical contaminants.the conformal coating is a thin, it can be removed easily with most common solvent
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G9 + automatic vision printing machine is a new product for SMT high-end application field, which can perfectly meet the process requirements of 03015, 0.25pich and other fine spacing, high precision and high speed. Introduction to standard function
Used SMT Equipment | Pick and Place/Feeders
FUJI SMT machine AIMEX IIIC-Flexible High-Mix Production Freeing up more floor space with its compact design and reduced lengthThis is an all-in-on machine with scalability and the ultimate level of versatility necessary for increasing productivity f
Used SMT Equipment | Pick and Place/Feeders
FUJI SMT machine AIMEX IIIC-Flexible High-Mix Production Freeing up more floor space with its compact design and reduced lengthThis is an all-in-on machine with scalability and the ultimate level of versatility necessary for increasing productivity f
Industry News | 2003-04-30 08:51:08.0
Electrolube played the role of environmental champion in Australia recently.
Industry News | 2015-08-03 17:18:00.0
Join BEST and 50+ engineers on October 1 in this technical symposium featuring excellent speakers and topics
Technical Library | 2013-04-11 15:43:17.0
With the explosion of growth in handheld electronics devices, manufacturers have been forced to look for ways to reinforce their assemblies against the inevitable bumps and drops that their products experience in the field. One method of reinforcement has been the utilization of underfills to "glue" certain SMDs to the PCB. Bumped SMDs attached to the PCB with a no-clean soldering process offer the unavoidable scenario of the underfill coming in contact with a flux residue. This may or may not create a reliability issue... First published in the 2012 IPC APEX EXPO technical conference proceedings
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.
Flux spray coating on a PCB with uniformal thickness down to 5 microns, with clear edge definition and minimal overspray. Can coat large or shoot dots with the same jet.
https://www.ascen.ltd/Products/conformal_coating_equipment//579.html PCB conformal coating machine selective coating process for PCBA, PCB coating machine protective coating,to protect the sensitive components: from external environmental factors,vib
---> SMT Express, Volume 3, Issue No. 6 - from SMTnet.com Volume 3, Issue No. 6 Friday, June 15, 2001 Featured Article Return to Front Page PCB Assembly Techniques by Harvey Twyman , University of Kent at Canterbury "I'm sure you
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/paste-on-mounting-hole-footprint_topic2186_post9034.html
Paste on mounting hole footprint - PCB Libraries Forum Forum Home > PCB Footprint Expert > Questions & Answers New Posts FAQ Search Events Register Login Paste on mounting hole footprint
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