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Knowledge, Vision & Wisdom May 28, 2015
What Causes Wave Solder Bridging?
We are having lead bridging problems with our wave soldering system. How would you rank the likely causes and areas to investigate?
Board Talk
White Discoloration After Ultrasonic Cleaning
We are using halogen free no-clean solder paste and cleaning with an ultrasonic cleaning system. After cleaning there is a white discoloration on the soldered areas.
Ask the Experts
Challenges for Step Stencil Printing
Challenges for Step Stencil Printing
The focus of this paper is on the printing performance of step-up/step-down stencils and the paper ends up with a short outlook on 3D cavity printing.
Production Floor
2015 IPC Certification Training Schedule
EPTAC
IPC Certification training schedule, new classes, new locations and all the expert training and support you need and expect. Learn more.
EPTAC
 
Innovative No-clean, Halide-free Tacky Flux
Henkel
Multicore TFN700B is a no-clean, halide-free tacky flux formulated to address the challenging requirements of package-on-package applications.
Henkel Corporation
 
Major Game-changer for the Lighting Industry
Major Game-changer for the Lighting Industry
Many researchers have attempted to construct light sources with carbon nanotubes, but with little success. That could soon change.
Technology Briefing
BGA Site Modification - Is It Possible?
Here we cover a type of BGA site modification that uses a section of circuit track and a jumper wire to complete the modification.
Production Floor
Scratch-Resistant Coatings Extend Film Life
Dymax Corporation
UV-cure optically clear hard coatings feature abrasion/chemical resistance for increased surface protection. Provide thin protective coatings on films.
DYMAX Corporation
 
The first-ever temperature stable solder paste
Henkel
LOCTITE GC 10 is stable at 26.5°C for one year and up to 40°C for one month, while still offering unbeatable printability and reflow performance. Click to learn more.
Henkel Electronic Materials, LLC
 
Embedded Passive Technology
This paper summarizes the selection of resistor embedded materials, evaluations of resistive material and duplication of a complex digital design.
Materials Tech
Problem Areas for Selective Conformal Coating
Problem Areas for Selective Conformal Coating
This paper covers how to deal with problem areas for selective conformal coating for use in environments that are not friendly to electronic circuits.
Production Floor
Circuit Technology Center
 
JTAG
 
How to Re-Certify a Reflow Oven After Moving
After moving a reflow oven what steps need to be performed on the machine and the heat exhaust system to re-certify?
Ask the Experts
Inclusion Voiding in Gull Wing Solder Joints
Inclusion Voiding in Gull Wing Solder Joints
This paper provides definitions of the different voiding types encountered in gull wing solder joint geometries.
Analysis Lab
87 Repair/Rework Guides - Illustrated and Online
CTC
This free online guidebook, packed with detailed illustrations, will be helpful to anyone who needs to repair or rework circuit board assemblies.
Circuit Technology Center
 
Underfilling Using Continuous Path Motion
Asymtek
White paper for underfill applications and using continuous motion of the dispense head to avoid backtracking and improve units per hour by 27%. Download now.
Nordson ASYMTEK
 
Reactions of Sn in the Cu-Sn-Zn Alloy
Reactions of Sn in the Cu-Sn-Zn Alloy
This paper reports a number of experimentally determined reactions that occur in Sn-rich Cu-Sn-Zn alloy.
Analysis Lab
Can Mixing Wave Solder Pallets Cause Contamination?
Our wave solder pallets are made from Durastone material. Can we use the same wave solder pallets for leaded and lead-free or should they be unique to one solder type?
Board Talk
Circuit Insight Deliver Results!
IPC
Introduce your technology in Circuit Insight’s bi-weekly newsletter & website to see how digital sponsorship advertising delivers results. Learn more...
Circuit Insight
 
Silver-Filled Epoxy Features Low Outgassing
Master Bond
Master Bond Supreme 10HTS is a silver-filled, one part epoxy adhesive with high electrical conductivity and superior strength properties. It cures to a tough thermoset and is resistant to thermal shock and vibration.
Master Bond
 
         
The Intelligent and Secure Factory Floor
The Intelligent and Secure Factory Floor
In the near future, products moving along a production line will know where they are, which steps are completed, and what is needed for completion.
Technology Briefing
ASYS Group
PCB Assembly System Set-Up for PoP
This paper will explore the challenges and solutions of PoP assembly for the SMT assembly system.
Production Floor
Need IPC Training in Spanish
BLACKFOX
Experience the Blackfox difference in Spanish. Blackfox is one of the few US based IPC Training Centers that offers IPC Training in Spanish. Blackbox translated the IPC-A-610, 620 and 7711/7721
Blackfox Training Institute
Guide to Understanding Your Testing Lab
Paper covers test methods specific to the various global eco-compliance directives as well as the different instrumentation used for these types of analyses.
Analysis Lab
Rigid Flex That is Built to Last
Printed Circuits, Inc.
Once you have made the decision to package your electronics with rigid flex, it makes sense to pick a production partner who can build it right.
Printed Circuits, Inc.
Corrupted Magnetic Tracking System
Corrupted Magnetic Tracking System
Magnetic traveler cards were being used to track information. Suddenly one section was unable to read the data. What was the cause?
Mysteries of Science
A World of Reflow Soldering Solutions
Vitronics Soltec
Vitronics Soltec's reflow ovens provide unmatched ease of use. Esterline Technologies says their XPM3i reflow "is an engineer's dream come true!"

Vitronics Soltec
Master Bond
Cartoon
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