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Feb 28, 2017
What is the Proper Storage Condition For PCBs
What is the Proper Storage Condition For PCBs
Is there a defined specification for the storage of PCBs? What are some storage concerns? The Assembly Brothers, Phil Zarrow and Jim Hall, discuss this issue.
Board Talk
Soldering Station Calibration
We were told that our soldering stations do not require calibration. Should all soldering stations be calibrated and re-calibrated after some point?
Ask the Experts
Removing Flux from Low Standoff Heights
Removing Flux from Low Standoff Heights
Paper covers evaluation of cleaning effectiveness of chemistries in removing flux residues from beneath low standoff height components.
Production Floor
Advances In Electrocaloric Materials
Advances In Electrocaloric Materials
Firefighters and athletes competing in the hot sun may be able to carry their own, lightweight cooling units with them, thanks to nanowire technology.
Technology Briefing
Early Detection of PCB Pad Cratering Failures
In this study, a new monitoring approach based on acoustic emission has been introduced for early detection of pad cratering failure.
Analysis Lab
RF Capacitor Material for Use in Printed Circuit Board
RF Capacitor Material for Use in Printed Circuit Board
A novel ceramic-functional-particle-filled polymer composite material has been developed for use either discrete elements on the PCBs.
Materials Tech
Computed Tomography on Electronic Components
The combination of improved computers, detectors, and new software has allowed the addition of a fourth dimension to a computed tomography data set.
Production Floor
Ask the Experts
Guidelines for Pin-in-Paste
We've tried a combination of 150 micron thick stencil and 1.6 mm thick board, but we never get the right amount of solder into the hole.
Ask the Experts
Effects of Whiskers on Nanocrystalline Copper
This paper compares the formation of tin whiskers on nanocrystalline and conventional polycrystalline copper deposits.
Analysis Lab
Solder Paste Printing First Pass
Solder Paste Printing First Pass
Is it recommended to print one cycle before printing the first production board? I could use a scrap board or blank plastic card for the first print.
Board Talk
Opening Eyes on Fiber Weave and CAF
This paper covers two high profile performance issues, fiber weave effect and CAF, using a unique laminate reinforcement.
Materials Tech
         
The Biggest Obstacles to Our Driverless Future
The Biggest Obstacles to Our Driverless Future
The biggest opportunity for AI, ubiquitous computing, and robotics to transform our lives and economy is the driverless automobile.
Technology Briefing
The Development of a 0.3 mm Pitch CSP Assembly Process
The Development of a 0.3 mm Pitch CSP Assembly Process
A major study looks at different aspects of the stencil printing process and their impact upon the assembly and reliability of CSP components.
Production Floor
Ask the Experts
Is There A Need for Reflow Profiles
How important is it to run a profile on every different assembly? I have been told choosing an established oven setting is sufficient.
Ask the Experts
Lubricant Causes Quality Problems
Lubricant Causes Quality Problems
Cylinder locks coated with a light oil spray started to stick. Did a change in the process affect quality, and if so how?
Mysteries of Science
Cartoon
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