Here are the workshops I will be conducting at Nepcon West in the USA if any one feels that a trip to the sun is of benefit. This will be my 8th year at Nepcon West it will be time for my Gold Watch soon I also love the sun we get so little in the UK. Wave Soldering Surface Mount Boards with Zero Defects - Half Day 25th Feb Soldering Materials for SMT - Fluxing for Conventional and Low Solids - Pre Heat Measurement Solder Waves for SMT - Process Control Testing - Establishing Process Settings - SMT Soldering Standards - Defect Analysis Clinic X-Ray Inspection of Fine Pitch and BGA - Half Day 25th Feb Introduction to x ray inspection - Equipment requirement - Selection criteria - Inspection standards - BGA - Gull wing - J Lead - Chip terminations - Process defects - Operator training Design For Manufacture and Assembly - 24th Feb Component selection and specification-Fine pitch and Ball Grid Array-PCB specification-Laminate selection-Track and hole sizes-Pad and stencil apertures-Pad sizes for conventional and SMT Resist selection for no clean-Solder finish and cost reduction-Multi panel design-Design reviews Layout for small and volume production-Process problems and solutions through design Introduction to Ball Grid Array Design and Assembly - 25th Feb BGA advantages and disadvantages-BGA suppliers-Design rules-Printed board layout-Pad and resist footprints-Surface finish selection-Inspection/assembly marks-Assembly process-Solder paste printing Flux reflow methods-Temperature profiling-Reflow by convection and vapour phase-Moisture removal Rework procedures-BGA failures-Package cracking-Missing balls-Solder balls-Misalignment-Non reflow-Inspection criteria-Production trial results Further information is available from the Nepcon Home Page. Bob Willis Process Engineering Consultant Electronic Presentation Services 2 Fourth Avenue, Chelmsford, Essex CM1 4HA. England. Tel: (44) 01245 351502 Fax: (44) 01245 496123 Home Page: http://ourworld.compuserve.com/homepages/Bwillis Email: [log in to unmask] *************************************************************************** * TechNet mail list is provided as a service by IPC using SmartList v3.05 * *************************************************************************** * To unsubscribe from this list at any time, send a message to: * * [log in to unmask] with <subject: unsubscribe> and no text. * *************************************************************************** * If you are having a problem with the IPC TechNet forum please contact * * Dmitriy Sklyar at 847-509-9700 ext. 311 or email at [log in to unmask] * ***************************************************************************