circuit insight
Risk Mitigation in Hand Soldering
A new validation technology in concert with visual inspection represents a change to the status quo in hand soldering.
Technical Paper
Process Optimization for Fine Feature Solder Paste Dispensing
In this paper the authors evaluate variables in the solder paste dispensing process, and review the impact on dispense quality of the solder paste.
Technical Paper
Sponsor
Uyemura

Dedicated Tool for Process Development
Advanced plating capability at Uyemura Tech Center: Process Development, UBM, pilot production. ENIG, ENEPIG, EPIG/EPAG, RAIG immersion gold; all substrates. On-site analysis.
Uyemura
Flowers of Sulfur Creep Corrosion Testing of Populated PCBs
Creep corrosion testing of printed circuit boards using a specially designed flowers of sulfur chamber has been pioneered by an iNEMI technical committee.
Technical Paper
The Best Storage Method to Protect Against Corrosion
Which storage method will better protect against corrosion, nitrogen or super dry? You want to do it in compliance with IPC 1602, which covers storage and handling of circuit boards.
Board Talk
Risks Using Flux Only for Soldering BGAs
What are the risks using flux only versus solder paste for placing BGAs in a hybrid lead-free environment? Why would you only use flux, why not solder paste?
Board Talk
Sponsor
BEST-Inc.

Want High-Reliability BGA Service?
BGA rework and reballing solutions for commercial, military and aerospace perfected over 20-plus years of reliable, repeatable and proven success.
BEST Inc.
Investigation into Lead-Free Low Silver Solder Wire for Electronics
This paper show results using a lead-free solder rework wire alloy in terms of wetting, reduced solder iron tip erosion, reduced IMC growth and reliability.
Technical Paper
Solder Composition, Surface Finish and Solder Joint Volume on Drop Shock Reliability
Five Pb-free solder alloys on two PCB surface finishes were evaluated for drop shock reliability with two different solder joint volumes (LGA and BGA).
Technical Paper
Sponsor
SEIKA-America

Malcom Paste Mixers
Unlike hand mixing, the Malcom SPS Solder Paste Mixer is a non-contaminating mixer which utilizes pseudo planetary motion to stir the solder paste. The SPS-1 provides uniform consistency.
Seika
Optimization of Stencil Apertures to Compensate for Scooping
This study investigates the scooping effect during solder paste printing as a function of aperture width, aperture length and squeegee pressure.
Technical Paper
Embracing a New Paradigm: Electronic Work Instructions (EWI)
To stay competitive in today's evolving global marketplace, manufacturing must recognize and embrace the new EWI paradigm.
Technical Paper
Gooey Flux Residue Left Behind
After selective soldering connectors there is a small amount of no-clean flux residue left behind. How can I judge how much flux residue can be left behind?
Board Talk
Sponsor
ECD

Affordable Profiling Excellence
Four channels of precision data capture from the most trusted name in thermal profiling. New and improved V-M.O.L.E.™ 2 is the ideal solution for budget-conscious electronics pros. Learn more here.
ECD
Fill the Void II: An Investigation into Methods of Reducing Voiding
This paper is a continuation of previous work on voiding. The voiding results are summarized and recommendations made for reduction of voiding.
Technical Paper
Hand Printing using Nanocoated and other High End Stencil Materials
This study details the effectiveness of nanocoating materials, high end stainless steel stencil materials, as they relate to the manual SMT printing.
Technical Paper
Sponsor
Advanced-Interconnections

Introducing our new Board to Board Connectors
These new Board to Board Connectors feature pitch sizes from 0.50 mm to 1.00 mm with multi-pitch and custom pitch designs available. Designed for long-life applications and robust handling.
Advanced Interconnections Corp
Young Laplace Equation Reveals New Possibilities Thermal Pad Design
This paper shows how the application of the Young-Laplace equation can lead to an understanding of the soldering process of exposed pads and heat slugs.
Technical Paper
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Sponsor
DL-Technology

EZ-FLO High Precision Ceramic Dispense Tips
The ceramic molding process allows for smaller more precise inner diameters with a glass-like finish, giving you the ultimate control. Learn more.
DL Technology
Creative-Electron
Sponsor
Ormet-TLPS

Highly Thermally & Electrically Conductive TLPS via Filing Paste
New filing highlights advanced sintered metal paste enabling faster installation, superior heat dissipation, higher conductivity, and reliable thermal drain performance without long processing cycles.
Ormet TLPS
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