986 excess solder on qfn results

Minimizing Voiding In QFN Packages Using Solder Preforms

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

Investigation of Pad Cratering in Large Flip-Chip BGA using Acoustic Emission

Developments in Fine Line Resist Stripping

The Morphology Evolution and Voiding of Solder Joints on QFN Central Pads with a Ni/Au Finish

The Morphology Evolution and Voiding of Solder Joints on QFN Central Pads with a Ni/Au Finish SMTnet Express October 19, 2012, Subscribers: 25598, Members: Companies: 9011, Users: 33828 The Morphology Evolution and Voiding of Solder Joints on QFN

SMTnet Express - June 11, 2015

SMTnet Express, June 11, 2015, Subscribers: 22,861, Members: Companies: 14,392 , Users: 38,338 Solder Paste Stencil Design for Optimal QFN Yield and Reliability B. Gumpert; Lockheed Martin Corporation The use of bottom terminated components (BTC

The Reliability Challenges of QFN Packaging

The Reliability Challenges of QFN Packaging The Reliability Challenges of QFN Packaging The quad flat pack no lead or quad flat non-leaded (QFN) is one of the fastest growing package types in the electronics industry today. While the advantages

Defect Free QFN Assembly

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

The Effect of Coating and Potting on the Reliability of QFN Devices.

The Effect of Coating and Potting on the Reliability of QFN Devices. Online Version SMTnet Express, August 28, 2014, Subscribers: 23150, Members: Companies: 14012, Users: 36727 The Effect of Coating and Potting on the Reliability of QFN Devices

Voiding Control for QFN Assembly

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

Modern 2D / 3D X-Ray Inspection - Emphasis on BGA, QFN, 3D Packages, and Counterfeit Components

Modern 2D / 3D X-Ray Inspection - Emphasis on BGA, QFN, 3D Packages, and Counterfeit Components Modern 2D / 3D X-Ray Inspection - Emphasis on BGA, QFN, 3D Packages, and Counterfeit Components With PCB complexity and density increasing and also