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Analysis Lab
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Impact of Stencil Manufacturing Technology of Multi-level/ Step Stencils
Impact of Stencil Manufacturing Technology of Multi-level/ Step Stencils
In this paper, we evaluate and compare the print performance of four different step technologies: Chemically etched, Laser weld, Milled, and Electroform.
Analysis Lab

Electrical Plus Functional Testing in Designing Electronics for Harsh Conditions
Electrical Plus Functional Testing in Designing Electronics for Harsh Conditions
This paper proposes a test method and vehicle to characterize soldering materials, assembly process steps, and conformal coating to determine reliability.
Analysis Lab

Effect of Matte-Sn Electroplating on Reliability of Lead-free Solder Joints
Effect of Matte-Sn Electroplating on Reliability of Lead-free Solder Joints
This study analyzes the impact of electroplating parameters of matte-Sn terminal layer on the thermo-mechanical reliability of solder joints.
Analysis Lab

Impact of BGA Escape Trace Design on Performance of Solder Joint
Impact of BGA Escape Trace Design on Performance of Solder Joint
In this paper, a comprehensive study is presented to demonstrate the impact of different BGA escaping trace design cases on solder joint reliability.
Analysis Lab

Finite Element Analysis of Tin-Bismuth Electromigration of Solder Joints
Finite Element Analysis of Tin-Bismuth Electromigration of Solder Joints
This paper is based on the planar solder joint approach which affords non-destructive real-time monitoring of the solder joint microstructure in a scanning electron microscope.
Analysis Lab

Detect PCB Stack-up Error with Machine Learning Methods
Detect PCB Stack-up Error with Machine Learning Methods
With high frequency and high-speed transmission in information industry, PCB customers demand stricter signal transmission integrity of PCB.
Analysis Lab

Design Considerations That Influence LED Solder Joint Reliability
Design Considerations That Influence LED Solder Joint Reliability
In this paper we examine the influence of three factors on thermal-mechanical solder joint reliability of LEDs mounted on an IMS PCB using FEA.
Analysis Lab

A Comparison of Thermal Cycling and Thermal Shock for Evaluating Solder Joint Reliability
A Comparison of Thermal Cycling and Thermal Shock for Evaluating Solder Joint Reliability
The industry standard for accelerated temperature cycling, IPC-9701B, defines test conditions for characterizing solder interconnect fatigue. The document specifies a maximum cycling ramp rate of 20 °C/minute to avoid thermal shock conditions that can accelerate failure modes other than low cycle fatigue in the bulk solder.
Analysis Lab

Conformal Coating Prevention and Analysis of Resistor Silver Sulfide Corrosion
Conformal Coating Prevention and Analysis of Resistor Silver Sulfide Corrosion
This paper covers all the long-term test results as a follow-up to an earlier publication reporting interim results and preliminary conclusions. Physical analyses were completed to investigate possible differences in the failure mode at the various FoS test temperatures.
Analysis Lab

Copper Foil Elements Affecting Transmission Loss with High Speed Circuits
Copper Foil Elements Affecting Transmission Loss with High Speed Circuits
This study examines possible factors for these inconsistencies such as etched signal trace shape, surface treatment, and grain size.
Analysis Lab

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