Glass-Weave Skew Part I: Understanding GWS
Glass-weave skew (GWS), alternately known as the Fiber-weave effect (FWE) has become a pretty hot topic in high-speed digital design over the last 10 years.
Apparently random field failures caused by Glass-Weave Skew (GWS) are increasingly prevalent as signal speeds increase, but at what point do you need to start worrying about it within your design? If prototypes show acceptable signal quality, is that a sufficient predictor of high-volume production?
In this webinar
Within this webinar, industry expert Bill Hargin explains the causes of glass-weave skew, who should be concerned about it, and why. He explores how it can randomly emerge as a previously undetected field failure. The webinar also introduces several methods for mitigating this form of skew.
The webinar covers:
- Glass-fabric terminology
- How glass sheets are made
- Anisotropic micro-environments in PCB laminates
- An overview of glass styles and their relative impact on glass-weave skew
Meet the speaker
Bill Hargin
CEO
Bill Hargin is the chief everything officer at Z-zero, developer of the PCB stackup design and material selection software, Z-planner Enterprise. Bill is an industry pioneer, with more than 25 years working in PCB signal integrity and manufacturing, while authoring dozens of articles on signal integrity, stackup design, and material selection. Hargin is also the author of the iConnect007 publication Stackups, the Design within the Design, a regular columnist for Printed Circuit Design and Fabrication magazine, and a contributing author for the Printed Circuits Handbook.
Bill is a regular speaker and panelist at both DesignCon and PCB West, and more than 10,000 engineers and PCB designers worldwide have taken his workshop on high-speed PCB design. Mr. Hargin served as director of marketing for Mentor Graphics’ HyperLynx SI software and as the Director of North American Marketing for Nan Ya Plastic’s PCB laminate division in Taiwan before founding Z-zero.