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In the PCB industry, “FR-4”.is a common designation for laminate materials.  To a certain extent, FR-4 as a specific type of laminate is one of the many myths promulgated throughout the industry. This blog will address the history the term FR-4, what it really means, the various quantifiers associated with it, and the characteristic issues of concern when selecting design-specific laminates. The Origins of FR-4 If you research FR-4 as a term...

HDI PCBs, ultra-HDI, packaging, substrate-like PCBs, and highly advanced chip-on-board can all require microvia structures once electrical connections become very dense. In these designs, higher density chipsets and packages have driven the demand for more advanced fabrication capacity that can support microvias into advanced stackups. But in addition to microvias in standardized HDI stack ups, there are more advanced interconnects available for...

One of my favorite quotes from Zig Ziglar is “Success means doing the best we can with what we have. Success is the doing, not the getting; in the trying, not the triumph. Success is a personal standard, reaching for the highest that is in us, becoming all that we can be.” I like that - doing the best we can with what we have. I’d also add that to be successful with anything, we need realistic expectations and an understanding of precisely...

Dive deep into design data management this week with expert articles and VP of Marketing Lawrence Romine on the OnTrack Podcast. Learn all about the modern, streamlined experience that Concord Pro offers and the performance enhancements in Altium Designer 19.1 in this discussion between Romine and Judy Warner.  New this week we also have Mark Harris, creator of the Celestial Database library, joining on as expert contributor to share his wisdom...