While experienced inspectors may be able to determine the aesthetic differences between a lead-free PCB assembly and a tin-lead version, one cannot rely on the "experienced eye". "Less wetting out to the pad edges" and "graininess and lack of shininess of the solder joint" are typical comments about some lead-free solder joints. 
Printed Circuit Board Equipment Exchange #9
Bid on State-of-the-Art PCB Manufacturing Equipment Featuring Drilling & Routing, Lamination, Etching, Plating, Expore, Solder Mask, Final Test,plus SMT & Placement, Feeders, Reflow & Convection, Screen Printing and much more. 
ProntoAOI used by electronics manufacturers will quickly program your Automatic Optical Inspection (AOI) machines. Program most popular AOI Equipment such as Yes Tech, Omron, Quad, Photon Dynamics, etc. 
Posted by Ben Tigano I'm looking for as much information as possible on the Universal 4796B chipshooter. We currently have a few 4785's, and are getting a couple of 4796B's next week...»» PWAs & PWB bake out requirements Posted by BTran Does anyone knows if there are general guidelines for the percentage of the moisture absorption in the PWBs and PWAs?... »» Posted by gmoritz I have a process problem with a board that has 256x3 LED parts (768 LEDs in three colors) where only 50% of the LEDs can be placed... »» 
Seminar/Course | Reed Exhibitions China Tue, August 28, 2007 | Shenzhen Convention & Exhibition Center, China The biggest international SMT trade exhibition in South China, offering you the best platform to network with trade professionals... »» STENCIL Technology and Design Workshop Seminar/Course | Photo Stencil Fri, August 24, 2007 | Photo Stencil Facility, Colorado Springs, CO, USA In this workshop you will have access to information on stencil printing performance and how stencil technology and design influences stencil printing performance... »» International Wafer-Level Packaging Conference & Tabletop Exhibition Exhibition/Conference | SMTA Mon, September 17, 2007 | Wyndham Hotel, San Jose, CA, USA The conference will explore cutting edge topics in wafer-level packaging and IC/MEMS/MOEMS packaging including 3D/Stacked/CSP/SiP/SoP and mixed technology packages... »» 
Jobs: Surface Mount Production Manager Montrose, CA, USA This individual must be a technical "hot shot" with training and certification in SMT assembly processes...»» Surface Mount Technology Engineer Brookings, SD, USA The selected individual�s responsibility will be to learn to operate, develop and maintain processes...»» Phoenix, AZ, USA Support new development programs along with resolution of service revealed problems...»» Resumes: GenRad In-Circuit Test Engineer Desired Field: Maintenance... Philippines In-Circuit Test and Functional Test Fixture and Jigs local fabricator, and customers support on all ICT related issues...»» Desired Field: Engineering Tijuana, Mexico 7 years of experience in Manufacturing procesess and New Products Introduction of comercial and military SMT...»» Desired Field: Engineering, Production Mentor, OH, USA 6 years of experience in electronics. I know how to program, operate, maintain, setup SMT machines...»» 
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