PC Fab, Board Design, Laminates
These programs cover bare PC board fabrication, circuit board design, laminates and more.
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The Effects of PCB Fabrication on High-Frequency Electrical Performance
The Effects of PCB Fabrication on High-Frequency Electrical Performance
Achieving optimum high-frequency PCB performance is not only the best possible PCB material, but can be impacted by PCB fabrication practices.
Materials Tech

Insulation Resistance of Dielectric Materials
Insulation Resistance of Dielectric Materials
This investigation measures the leakage within internal PCB layers during exposure of various specimens to a controlled ground-based test environment.
Materials Tech

Complex Board Design Induced Solder Separation Failure
Complex Board Design Induced Solder Separation Failure
The study elaborates the parameters with the solder separation failure per board design configuration, and also provides the potential solution to mitigate the failure.
Production Floor

Long Term Thermal Reliability of Printed Circuit Board Materials
Long Term Thermal Reliability of Printed Circuit Board Materials
This paper describes the purpose, methodology, and results to date of thermal endurance testing performed at the company.
Materials Tech

Improving Density in Microwave Multilayer PCBs
Improving Density in Microwave Multilayer PCBs
Paper presents work performed to achieve LCP-based high density multilayer structures, describing the breadboards manufactured and tested.
Analysis Lab

Method to Measure Intermetallic Layer Thickness
Method to Measure Intermetallic Layer Thickness
Lead Free has brought new materials and quality concerns to the industry. New methods to determine the quality of materials is needed.
Analysis Lab

Demise of the Plated-Through Hole?
Demise of the Plated-Through Hole?
How long will the industry continue to use through hole components? I can envision connectors being used for some time, what about component types? Phil Zarrow and Jim Hall, The Assembly Brothers, discuss this question.
Board Talk

BGA Components and Coplanarity
BGA Components and Coplanarity
We have a PCB with a HASL surface finish, the assembly includes a 256 ball BGA. The component balls are .6 mm pitch. Is coplanarity a concern?
Board Talk

Embedded Components: A Comparative Analysis of Reliability
Embedded Components: A Comparative Analysis of Reliability
Paper covers a series of comparative analyses, testing the reliability of standard SMT components vs their embedded counterparts.
Materials Tech

New High-Performance Organophosphorus Flame Retardant
New High-Performance Organophosphorus Flame Retardant
A non-halogen flame retardant has been developed for high performance applications. Resin performance data are presented.
Materials Tech