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Knowledge, Vision & Wisdom May 26, 2015
Calculating Failure Rate During Rework
Is there a way to estimate the potential failure rate introduced by hand rework on one SMT part? The process involves desoldering and soldering a new part using solder iron tweezers. We are trying to understand the benefit of rework versus the potential defects induced.
Board Talk
Gold Contact Flux Contamination Failures
We have assemblies with visible contamination on the gold edge contacts and analysis confirmed it is flux residue. Can this residue cause functionality problems?
Ask the Experts
Cleaning to Enhance Product Reliability
Cleaning to Enhance Product Reliability
This paper deals with many aspects of cleaning to ensure reliability of electronic circuitry.
Production Floor
AdoptSMT supplies pre-owned SMT equipment
Adopt SMT
USD buyers, take advantage of the low EURO! AdoptSMT has equipment in stock bought in EUR and can source the equipment you need in the EURO market, which is now 20% lower than it used to be. Learn more...
AdoptSMT
 
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
 
Reduction of Voids in Solder Joints
This paper reviews an alternative to vacuum soldering for the reduction of voids in solder joints.
Analysis Lab
Dissruptive Innovation - Magnetic Refrigeration
Dissruptive Innovation - Magnetic Refrigeration
The refrigeration market has been ripe for disruption for decades. Now, a new technology called "magnetic cooling" may be on the verge of doing just that.
Technology Briefing
A World of Wave Soldering Solutions
Vitronics Soltec
Vitronics Soltec's wave solder systems are efficient and cost effective. Minarik Drives says their Delta 3 has "saved over 50% in net solder costs!"
Vitronics Soltec
 
New Course From Blackfox, 620 B-Space
BLACKFOX
IPC/WHMA-A-620 B-Space addendum provides additional requirements to ensure the performance of cable and wire harness assemblies that must survive operating in space.
Blackfox Training Institute
 
Tools and Techniques for Material Assessment in Advanced Technologies
Paper identifies some of the limitations in the methods used for characterizing and evaluating solders, circuit board materials and surface finishes.
Materials Tech
What is the Reliability of Reballed BGAs?
What is the Reliability of Reballed BGAs?
Will the process of re-balling lead-free BGA components with tin-lead solder balls yield quality connections better or worse than soldering using tin-lead paste?
Production Floor
Diamond MT
 
Henkel
 
Adding Weights to Small BGAs During Reflow
Adding Weights to Small BGAs During Reflow
Do you think it makes sense to add a weight to the top of the small BGA's during reflow to improve soldering and reduce opens?
Ask the Experts
2D and CT Scan X-ray for Joint Inspection
Paper discusses the combination of conventional 2D X-ray inspection and CT scan techniques and shows various illustrations of defects which are normally difficult to detect.
Analysis Lab
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
 
Why Rigid Flex? The reliability of your circuitry
Printed Circuits, Inc.
Rigid Flex are designed for aerospace, medical and military reliability. Flex assemblies reduce connector and reliability issues. Learn more...
Printed Circuits, Inc.
 
Leaded Parts Through a Lead-free Wave
Leaded Parts Through a Lead-free Wave
Are there any concerns if we wave solder boards with just a few non-RoHS complaint components? Are we likely to contaminate our wave solder bath?
Board Talk
Flux for Cleanable and No-Clean Solder Pastes
Paper provides a general description of flux and the role of their constituting ingredients. Plus the development of a tin-bismuth-silver solder paste with cleanable residues.
Materials Tech
Check It, Before You Wreck It
Advanced Assembly
Using our proprietary verification software, we check every PCB design and fix errors before a single part is ever machine-placed onto a board.
Advanced Assembly LLC
 
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
 
         
The Stresses of Commuting
The Stresses of Commuting
The more time you spend getting to and from work, the less likely you are to be satisfied with life, says a new study published in World Leisure ...
Technology Briefing
Printed Circuit Inc.
Industry United to Fight Counterfeiting
This paper will segment the market and present a possible solution in an industry that unites to combat the counterfeit problem.
Supply Chain
ASYS - Transforming Ideas Into Solutions!
ASYS
The ASYS Group is a leading manufacturer of process & handling systems for the electronics and photovoltaic industries.
ASYS Group Americas Inc.
How to Clamp Odd Shaped Circuit Boards
If a PCB doesn't have edges to clamp it firmly what solution can you offer to handle boards through an auto routing machine?
Ask the Experts
New 5705/USB Mixed Signal JTAG Tester
JTAG
A unique combination of JTAGs' TAP Controller Interfaces + digital and analogue I/O in a compact desktop package. Learn more...
JTAG Technologies
The Graying White Plastic
The Graying White Plastic
A plastic injection molding plant was suddenly seeing white plastic parts come out grey. What was causing the discoloration?
Mysteries of Science
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
Vitronics Soltec
Cartoon
"I'm sorry if I smell like a farm animal. My boss made me his scapegoat."
Copyright © Randy Glasbergen