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In this issue, we examine the critical nature of building precisions into your inner layers and assessing their pass/fail status as early as possible. Whether it’s using automation to cut down on handling issues, identifying defects earlier, or replacing an old line...
Engineering Economics
The real cost to manufacture a PCB encompasses everything that goes into making the product: the materials and other value-added supplies, machine and personnel costs, and most importantly, your quality. A hard look at real costs seems wholly appropriate.
Alternate Metallization Processes
Traditional electroless copper and electroless copper immersion gold have been primary PCB plating methods for decades. But alternative plating metals and processes have been introduced over the past few years as miniaturization and advanced packaging continue to develop.
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I-Connect007 Editor’s Choice: Five Must-Reads for the Week
May 26, 2023 | Andy Shaughnessy, Design007 MagazineEstimated reading time: 2 minutes
It’s been a busy week here at I-Connect007, an even busier week for PCB designers and manufacturers. This week, we published a variety of articles and news items. In this week’s wrap-up, we have an interview with Rex Rozario that is basically a historical look at the birth of commercial PCB manufacturing, and his involvement with the Rolling Stones in their early days. Then we bring you a look at trends in freight costs, which are—fortunately—heading southward right now.
Columnist Kelly Dack shares his thoughts on specifying materials, with a warning against over-specifying laminates for boards that will go to volume production in Asia. And we’ve just published a book written by our friends at GEN3 that focuses on process control.
Finally, let’s welcome our newest columnist, SMTA Vice President of Communications Mike Konrad, who discusses manufacturing reliable PCBs that can withstand harsh environments. Mike has been around the world discussing PCBA cleaning, and we’re happy to have him in the I-Connect007 stable of columnists.
I hope you all have a great holiday weekend!
The Birth of the Printed Circuit Board
Published May 23
Rex Rozario has been involved in so many parts of the history of the PCBs—and rock and roll—that it’s hard to keep up with him. In this wide-ranging interview, Rex discusses his involvement in the beginning of the circuit board industry, as well as the earliest days of the Rolling Stones, who used to practice in his night club in the ‘60s. Rex is a real connector, as Malcolm Gladwell would say.
Where Are Freight Costs Going?
Published May 24
Nothing happens in a vacuum, and everything we manufacture has to be shipped somewhere. In this article, IPC Chief Scientist Shawn DuBravac discusses the recent drop in freight costs and trends he’s seeing in global container throughput. If you’re wondering where the Shanghai Containerized Freight Index stands right now, read on.
The Knowledge Base: Building Reliable Electronics for Harsh Environments
Published May 22
Check out our newest column! We’ve known Mike Konrad for years, and we’re glad to have him on board as a columnist. Mike is known throughout the industry for his PCBA cleaning expertise. In his first column, he discusses how to manufacture reliable electronics for harsh environments.
Latest I-007eBook from GEN3 Focuses on Process Control
Published May 25
Our newest book has just dropped, as the kids say. Check out The Printed Circuit Assembler’s Guide to… Process Control, written by GEN3 and published by I-Connect007. If I’m going to keep editing books, I may have to get a meerschaum pipe and a pretentious blazer with elbow patches.
Stop Over-specifying Your Materials
Published May 25, 2023
Designers are only trying to help when they over-specify your materials. But guess what? Many times, they’re actually making things worse if the board goes to volume production overseas, as columnist Kelly Dack explains in this feature interview. Definitely an interesting read.
Suggested Items
Are Our Stackup Rules No Longer Valid?
12/19/2024 | Cherie Litson, EPTAC MIT CID/CID+Are the stackup rules we used to follow no longer valid? It depends on what you’re designing. Electrical rules change depending on your circuit. Fabrication rules change depending on which fabricator you’re working with. Today, we just have more options, and sometimes, cost is a bigger rule than anything else. If you search online for information about layer stackups, trace widths, and hole sizes in PCBs, you’ll find a variety of resources.
IPC/WHMA Launches Groundbreaking Online Course on Wire Harness Design
12/18/2024 | IPCIPC/WHMA is excited to announce the launch of its new online instructor-led training course, "Introduction to Wire Harness Design I," available now through the IPC EDGE Learning Management System.
IPC Releases Latest List of Standards and Revisions
12/17/2024 | IPC Community Editorial TeamEach quarter, IPC releases a list of standards that are new or have been updated. To view a complete list of newly published standards and standards revisions, translations, proposed standards for ballot, final drafts for industry review, working drafts, and project approvals, visit ipc.org/status. These are the latest releases for Q4 2024.
IPC, FED Partner for New Design Conference in Vienna
12/12/2024 | Andy Shaughnessy, Design007 MagazineIPC and its German partner FED have teamed up to create a new PCB design conference in Vienna, Austria. The Pan-European Electronics Design Conference (PEDC) is scheduled for Jan. 29-30 at the NH Danube City hotel in Vienna. IPC’s Peter Tranitz, one of the show organizers, discussed how this new show came about, pointing out that, unlike many of the regional conferences in Europe, PEDC will host curated, peer-reviewed presentations, not promotional content or product pitches. Will PEDC become an annual event?
Happy’s Tech Talk #35: Yields March to Design Rules
12/12/2024 | Happy Holden -- Column: Happy’s Tech TalkUltra high density interconnect (UHDI) has many forms, structures, and alternatives, so capturing all the variations and reducing them to design rules has required some departures from traditional IPC design standards. In this column, I’ll be discussing the IPC UHDI design guidelines and standards. The fundamental question is: “Do you need HDI or microvias?”