PCB Dynamic Coplanarity At Elevated Temperatures PCB Dynamic Coplanarity At Elevated Temperatures iNEMI's SMTAI 2011 presentation by: John Davignon, Ken Chiavone, Jiahui Pan, James Henzi, David Mendez, Ron Kulterman; Intel Corporation
Reworking QFN's Newly Developed Cost Effective Approach Reworking QFN's Newly Developed Cost Effective Approach As with any rework process, the pasting of the component is a sequential process. Each step is designed to minimize the risk of a
Minimizing Voiding In QFN Packages Using Solder Preforms SMTnet Express July 27, 2012, Subscribers: 25333, Members: Companies: 8933, Users: 33366 Minimizing Voiding In QFN Packages Using Solder Preforms First published in the 2012 IPC APEX EXPO
Defect Free QFN Assembly Defect Free QFN Assembly The problem with soldering QFN packages is that they float, skew and tilt on the 'domed' melted solder during the SMT re-flow process. This floating, skewing and/or tilting will lead to solder
SMTnet Express January 31, 2013, Subscribers: 26152, Members: Companies: 9105, Users: 34242 Projection Moiré vs. Shadow Moiré for Warpage Measurement and Failure Analysis of Advanced Packages There are three key industry trends that are driving
Voiding Control for QFN Assembly Voiding Control for QFN Assembly Quad Flat No Leads (QFN) package designs receive more and more attention in electronic industry nowadays. This package offers a number of benefits including (1) small size
Validity of the IPC R.O.S.E. Method 2.3.25 Researched Validity of the IPC R.O.S.E. Method 2.3.25 Researched This paper researches the effectiveness of the R.O.S.E. cleanliness testing process for dissolving and measuring ionic contaminants from
Comparing techniques for temperature-dependent warpage measurement Comparing Techniques for Temperature-Dependent Warpage Measurement Three full-field optical techniques, shadow moiré, fringe projection and digital image correlation (DIC
