Industry Directory | Manufacturer
Shuttle Star Technology designs and builds advanced off-line 2.5D&3D x-ray inspection systems for solder joint and final assembly test inspection in SMT&EMS. It uses world-class X-ray techniques with advanced defect detection.
New Equipment | Rework & Repair Services
BEST's QFN Rework Services Can Save Your Design and Save You Money BEST Inc. provides a variety of QFN rework services including the most popular QFN package styles. BEST has lots of experience in minimizing the voiding in QFN rework. BEST can mini
New Equipment | Solder Paste Stencils
Simplify and Speed Up QFN and LGA device rework. StencilMate™ leadless device rework stencils make the process of reworking leadless devices such as QFNs and LGAs simple and fast. These adhesive-backed poyimide stencils are placed on to the bottom o
Electronics Forum | Thu Apr 23 07:51:45 EDT 2009 | scottp
Every paper I've seen published shows that BGA voids either have no effect or actually give a slight improvement. The one exception are voids with a root cause in bad incoming boards, such as champagne voiding where nearly the entire interface is go
Electronics Forum | Mon Sep 19 07:56:19 EDT 2005 | Pop
How we can improved the Solder voids on QFN Packaging. Actually we adjust the time for solking to long . But is not affected. Pls advise. ThANK YOU
Industry News | 2011-09-14 12:04:43.0
The SMTA announced a session on QFN Assembly and Reliability will take place on Tuesday, October 18 during their annual conference, SMTA International, in Ft. Worth, Texas. Andrew Mawer of Freescale Semiconductor will chair the session and Viswam Puligandla, Ph.D., Nokia (Retired) will co-chair.
Industry News | 2017-05-15 16:35:00.0
SMTA China announces that it presented awards for seven papers and two exhibits at the SMTA China East Conference 2017 Award Presentation Ceremony, held on Tuesday, April 25, 2017 at the Shanghai World Expo Exhibition & Convention Center in conjunction with the SMTA China Annual Award Ceremony.
Technical Library | 2014-09-11 11:36:46.0
There are a variety of methods one can use to rework QFNs. This paper explains one of the ways to get very little center ground voiding while making it easy to place a tiny component with almost no keep out areas.
Technical Library | 2011-04-07 14:50:29.0
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, such as a near die-sized footprint, thin profile, and light weight; (2) easy PCB t
SMT PCBA X-ray Machine ETA-7900 If you could not find any similar items you want, you may send some photos to us. because our catalog and website haven't included all of our products. smt x ray,smt x ray machine,x-ray inspection machine,x-ray d
Training Courses | | | PCB Rework and Hand Soldering Courses
The PCB rework and hand soldering courses courses cover techniques of rework and repair of PCBs, BGAs and other electronics assemblies, and teach fundamentals of soldering of electronics assemblies.
Training Courses | | | PCB Rework and Hand Soldering Courses
The PCB rework and hand soldering courses courses cover techniques of rework and repair of PCBs, BGAs and other electronics assemblies, and teach fundamentals of soldering of electronics assemblies.
Events Calendar | Wed Mar 08 00:00:00 EST 2017 - Wed Mar 08 00:00:00 EST 2017 | San Diego, California USA
San Diego Chapter - Minimizing Voiding in Bottom-Terminating Components
Events Calendar | Mon Dec 02 00:00:00 EST 2019 - Mon Dec 02 00:00:00 EST 2019 | ,
Webinar: QFN/LGA Design, Assembly Process Issues & Reliability Failures
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
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
Heller Industries Inc. | https://hellerindustries.com/wp-content/uploads/2022/06/vacuum-demo-data.pdf
% Voids Low Void (1%) Heller Vacuum Data - DBC on Power Device DBC at Heat Sink Vacuum Parameters • Pump Rate: 250 torr/sec and 250 torr/sec (double vacuum cycle) • Dwell: 5 sec and 15 sec @ 10 torr (double vacuum cycle) Void Rate • No Vacuum: 30-40% • With Vacuum: <1% 40% Voids Low Void (<1
ASYMTEK Products | Nordson Electronics Solutions | https://www.nordson.com/en/divisions/sonoscan/support/application-notes
0147 PQFP Die Cracks 0148 PQFP Die Attach 0202 PBGA 3D Acoustic Microscope Image 0206 PBGA 3D Cross-Sectioned Voids in Molding Compound 0210 PBGA 3D Sectioned Voids in Molding Compound 0245 PBGA
.gif)
