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Current IssueThe Hole Truth: Via Integrity in an HDI World
From the drilled hole to registration across multiple sequential lamination cycles, to the quality of your copper plating, via reliability in an HDI world is becoming an ever-greater challenge. This month we look at “The Hole Truth,” from creating the “perfect” via to how you can assure via quality and reliability, the first time, every time.
In Pursuit of Perfection: Defect Reduction
For bare PCB board fabrication, defect reduction is a critical aspect of a company's bottom line profitability. In this issue, we examine how imaging, etching, and plating processes can provide information and insight into reducing defects and increasing yields.
Voices of the Industry
We take the pulse of the PCB industry by sharing insights from leading fabricators and suppliers in this month's issue. We've gathered their thoughts on the new U.S. administration, spending, the war in Ukraine, and their most pressing needs. It’s an eye-opening and enlightening look behind the curtain.
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A Well-Designed Laminate Supply Chain has to Own It!
July 22, 2015 | Mark Goodwin, VentecEstimated reading time: 1 minute

Designing a supply chain for the provision of laminates and pre-pregs to the PCB fabricator shouldn’t be that complicated, should it? The laminate is simply manufactured and then shipped...what could possibly go wrong? It turns out it is more complicated, partly because the supply chain is not fully owned by one supplier, and hence cannot be fully customized to the needs of each customer.
There are a number of things that make that supply chain complex beyond the fact that there are multiple parties involved, from the laminator to the distributor or sales agent to the logistics provider.
Forecasting, as we all know, is not an exact science, especially in Western Europe and North America, where lower volumes, high mix and quick-turn are the demand drivers. The PCB industry is so unpredictable in its demand that most fabricators won’t offer their laminate supplier a forecast at all. This may not be a problem for the regularly used, standard materials that are most likely available locally and at short notice, or are perhaps even part of a consignment stock agreement. But what about those unusual requests, which seem to always be accompanied by a request for fast turnaround? These might not be available in your geography, and that delay in receiving material can be the difference between winning or losing an order, or even retaining or losing a customer.
Increasingly, the supply chain seems to want to shift any commercial risk involved in stocking goods onto the customer who isn’t refusing to forecast because they don’t want to, but simply because they can’t.
So demand is unpredictable, but there’s more to it than that. What about customization of materials, such as unbalanced copper or an unusual build structure? This is out of the question for typical laminate supply chains with third-party distribution, where the local vendor has to share your needs with his supplier or suppliers and find a solution that then has to be produced and shipped. All of that takes time—too much time.
Read the full article here.
Editor's Note: This article originally appeared in the July 2015 issue f The PCB Magazine.
Suggested Items
I-Connect007 Editor’s Choice: Five Must-Reads for the Week
07/11/2025 | Andy Shaughnessy, Design007 MagazineThis week, we have quite a variety of news items and articles for you. News continues to stream out of Washington, D.C., with tariffs rearing their controversial head again. Because these tariffs are targeted at overseas copper manufacturers, this news has a direct effect on our industry.I-Connect007 Editor’s Choice: Five Must-Reads for the Week
Digital Twin Concept in Copper Electroplating Process Performance
07/11/2025 | Aga Franczak, Robrecht Belis, Elsyca N.V.PCB manufacturing involves transforming a design into a physical board while meeting specific requirements. Understanding these design specifications is crucial, as they directly impact the PCB's fabrication process, performance, and yield rate. One key design specification is copper thieving—the addition of “dummy” pads across the surface that are plated along with the features designed on the outer layers. The purpose of the process is to provide a uniform distribution of copper across the outer layers to make the plating current density and plating in the holes more uniform.
Trump Copper Tariffs Spark Concern
07/10/2025 | I-Connect007 Editorial TeamPresident Donald Trump stated on July 8 that he plans to impose a 50% tariff on copper imports, sparking concern in a global industry whose output is critical to electric vehicles, military hardware, semiconductors, and a wide range of consumer goods. According to Yahoo Finance, copper futures climbed over 2% following tariff confirmation.
Happy’s Tech Talk #40: Factors in PTH Reliability—Hole Voids
07/09/2025 | Happy Holden -- Column: Happy’s Tech TalkWhen we consider via reliability, the major contributing factors are typically processing deviations. These can be subtle and not always visible. One particularly insightful column was by Mike Carano, “Causes of Plating Voids, Pre-electroless Copper,” where he outlined some of the possible causes of hole defects for both plated through-hole (PTH) and blind vias.
Trouble in Your Tank: Can You Drill the Perfect Hole?
07/07/2025 | Michael Carano -- Column: Trouble in Your TankIn the movie “Friday Night Lights,” the head football coach (played by Billy Bob Thornton) addresses his high school football team on a hot day in August in West Texas. He asks his players one question: “Can you be perfect?” That is an interesting question, in football and the printed circuit board fabrication world, where being perfect is somewhat elusive. When it comes to mechanical drilling and via formation, can you drill the perfect hole time after time?