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Latest Articles
EMA: Cadence Moves Simulation Further Up in the Design Cycle
Cadence Design Systems recently integrated more of its Sigrity capabilities into the front end of its PCB design tools. During DesignCon, Chris Banton of EMA Design Automation spoke with me about how this drive for “model-less analysis” benefits the PCB designer who can now access signal and power integrity, DFM, and electrical rule checking functionality early in the design process and have fewer issues later.
Dan Gamota Discusses Flex and Alternative Substrates
As the VP of manufacturing technology and innovation for Jabil, Dan gave us his take on the current state of flex and alternative substrates and explained why modeling, automation, and process controls are likely to be key ingredients in the recipe for manufacturing non-FR-4 boards in the future.
Electromagnetic Analysis Design Insight: Effects of Meshed Reference Planes on Interconnects
Most of the transmission lines in PCB or packaging interconnects have so-called quasi-TEM waves with the electric and magnetic fields mostly perpendicular or transverse to the propagation direction. Parameters of such transmission lines can be accurately approximated with the analysis of a single cross-section in a 2D field solver. With the cutouts in the reference plane, the waves become non-TEM and not even quasi-TEM due to the presence of the longitudinal components in the electric and magnetic fields.
Words of Advice: What are Your Biggest Design Challenges?
In a recent survey, we asked the following question: What are your biggest design challenges? Here are just a few of the answers, edited slightly for clarity.
Cherie Litson on ECAD/MCAD and Training the Next Generation
Cherie Litson, CID+, was one of the instructors at AltiumLive Munich. I asked her to discuss some of the topics she covered in her class, and what the future of PCB design will look like. How are we going to pass down all of this design knowledge to the next generation?
Todd Westerhoff Discusses His New Position and Much More
At DesignCon, I met with our old friend Todd Westerhoff, a veteran signal integrity engineer. Todd joined Mentor, a Siemens Business, since we last spoke. We discussed his new job responsibilities, his drive to get more designers and engineers to use SI tools, and the increasing value of cost-reduced design techniques versus overdesigning PCBs.
Accelerating and Disrupting Innovation: The Tesla Story
The time was right for Tesla to bring new thinking into the concept of electric transportation when the company observed the quantum shift in battery technology from lead-acid to lithium-ion that had been driven by developments in portable consumer electronics.
Words of Advice: Component Shortages in 2019
In a recent survey, we asked the following question: What components do you expect to be in short supply in 2019? Here are just a few of the answers, edited slightly for clarity.
RTW IPC APEX EXPO 2019: Judy Warner on Altium's Transformative Vision
During IPC APEX EXPO, Guest Editor Kelly Dack sat down for an interview with Judy Warner, Altium's director of community engagement. They discussed Altium's efforts to educate PCB designers, regardless of their CAD tools, and the company's plan to transform the industry by bringing together PCB design and manufacturing.
Carl Schattke on Stackup Design and Managing the Component Shortage
At AltiumLive, I met Carl Schattke, CID+, a lead PCB designer with an American automaker. Carl and TTM’s Julie Ellis taught a packed class on good stackup practices complete with plenty of slides showing examples of all kinds of stackups. After class, Carl explained why the stackup is often the root of manufacturing problems downstream, and why today’s discrete component shortages are likely to be around for quite some time.
Linda Mazzitelli: PTC Goes all in on ECAD/MCAD Collaboration
At AltiumLive Munich, I ran into Linda Mazzitelli of PTC. Linda has worn a lot of hats in the PCB design world—she’s even married to a designer. I asked Linda to discuss her current work at PTC and the apparent convergence of ECAD and MCAD, which many think has been a long time coming for this industry.
Inspiring the Next Generation of Industry Leaders: IPC STEM Student Outreach Program
At IPC APEX EXPO 2019, I-Connect007 Managing Editor Patty Goldman spoke with Colette Buscemi, IPC's senior director for education programs, about the success and expansion of the IPC STEM Student Outreach Program, activities and scholarship opportunities for students through sponsor support—including I-Connect007—and feedback she received on the event.
Casper van Doorne Discusses His AltiumLive Class, IoT, and More
What’s in a name? When PCB designer Casper van Doorne needed to choose a name for his service bureau, only one name would do—Doofenshmirtz Evil Incorporated, a villainous name familiar to fans of Walt Disney. At AltiumLive Munich, I spoke with Casper about his company, the class he presented in Munich, and some of the benefits and ramifications of the growth of IoT.
Words of Advice: What Concerns you About the Future?
In a recent survey, we asked the following question: What concerns do you have about the future? Here are just a few of the answers, edited slightly for clarity.
Thinking and Designing in Three Dimensions
This article aims to encourage interconnect designers who design for flex or rigid-flex circuits to use the modern CAD tools at their disposal for getting flex done right the first time. While modeling PCBs in 3D is not new, and all the major PCB EDA vendors offer some form of 3D modeling and integration, it is still a rare circumstance that flexible circuit designers use 3D CAD modeling.
The Electronic Component Shortage Crisis: A Veteran Engineer’s Perspective
From where we stand now, at the beginning of 2019, we see lead times for some components in the short range of up to 16 weeks; medium-to-high is 32 weeks, and long lead times are as far out as 80 weeks. In other words, if we ordered a component today, it would arrive in over a year a half from now (maybe). This all started with the capacitors (we will see why later), but we now see other component series being sucked into this problem.
Natasha Baker: Supply Chain Transparency Inside the CAD Tool
Natasha Baker, CEO and founder of SnapEDA, an online parts library, discusses the benefits of transparency in online libraries to designers, and discusses strategies on how to solve supply chain challenges, and more.
RTW IPC APEX EXPO: Rogers' Anthony Mattingly Discusses the Advanced Laminate Market
Rogers Corporation's Senior Product Manager Anthony Mattingly and Editor Pete Starkey discuss the ever-evolving market for advanced laminates for technologies such as 5G. Mattingly explains how Rogers has invested heavily in infrastructure for adding about 40% more capacity in the next few years.
A Drone's-eye View of the IPC APEX EXPO Show Floor
If you couldn't make it to IPC APEX EXPO in San Diego, don't worry. We have full coverage of this annual must-attend event, from the opening ceremony to the close of the final day. To get a sense of the size of this year's show, check out our drone's-eye view of the show floor. Can we name our drone Air007?
TUM Hyperloop Team Learns PCB Design on Way to Setting World Speed Record
At AltiumLive Munich, I met with Tobias Bobrzik, a Technical University of Munich student and member of the TUM Hyperloop team. In 2018, the TUM Hyperloop team’s prototype pod set the world speed record of 290 miles per hour, which lead to their meeting with Musk. Tobias designed some of the PCBs used in that vehicle, so I asked him to tell us more about this experience, and what he hopes to do after graduation.
Words of Advice: Flex Design and Manufacturing Training
In a recent survey, we asked the following question: Where do your technologists acquire training or expertise regarding flexible circuits? Here are just a few of the answers, edited slightly for clarity.
Joe Clark Discusses DownStream’s Updated Tool Lineup and IPC-2581
DownStream Technologies recently revamped their entire product line, from CAM350 through BluePrint-PCB. DownStream co-founder Joseph Clark and Guest Editor Kelly Dack discuss some of these updates, including a new GUI and capabilities such as 3D analysis, as well as news about IPC-2581.
IPC APEX EXPO 2019 Show Week Time-lapse Video
From set up to tear down, I-Connect007 captured a 4-day time-lapse video of the show floor from our Real Time with... IPC APEX EXPO booth. In addition, this video includes overhead shots of each of our generous premium sponsor's booths.
IPC APEX EXPO 2019: It's a Wrap!
The IPC APEX EXPO 2019 show floor closed yesterday with applause. After three days of meetings, networking, and tire kicking, if you will, exhibitors head back to their offices with a list of leads, to-do lists, and stories to share. Meanwhile, attendees now head home with important decisions to make about what they learned and who they want to do business with.
RTW IPC APEX EXPO 2019: Oren Manor Details New Camstar Electronics Suite
In this video interview, Nolan Johnson meets with Oren Manor—director of business development for Mentor, a Siemens Business—to discuss the introduction of their new Camstar Electronics Suite software, an innovative manufacturing execution system (MES) for electronics.
RTW IPC APEX EXPO 2019: For Elmatica, the Future is All About Data
At this year's IPC APEX EXPO, guest editor Judy Warner sits down with Elmatica CEO Didrik Bech to discuss the company's business model and CircuitData, their award-winning open-source PCB design data language.
Words of Advice: Flex Design Problems
In a recent survey, we asked the following question: What are your biggest problems related to flex design? Here are just a few of the answers, edited slightly for clarity. How many of you would agree that "educating the customer" is your biggest challenge?
The Designers Council: A Chapter Primer From the Ground Up
Thinking it might be a way to make new contacts with PCB designers in Orange County, I attended a couple of Designers Council meetings. The chapter president at that time was Paul Fleming, who asked me to be part of his steering committee because he learned that I had spent decades in fabrication. Within a few months, he had gotten a job transfer to Arizona, so he twisted my arm to take over as the chapter president. I agreed, but little did I know that this would become a major turning point in my PCB career.
AltiumLive Munich: Day 2 Keynotes
Having enjoyed the conference dinner and robot battles of the previous evening, a good night’s sleep, and a hearty breakfast, Altium’s family of over 220 electronics engineers and designers eagerly returned to the conference room. Many jostled to secure the best seats for the second day of the European AltiumLive design summit in Munich, keen to make the most of the “learn, connect, and get inspired” opportunity it offered.
The Sun Rises on IPC APEX EXPO 2019
It's sunrise on Monday in San Diego, and IPC APEX EXPO at the San Diego Convention Center is already abuzz with activity. The exhibition hall setup is on schedule to open for business tomorrow morning, January 29th, 2019.
In the Studio: Real Time with…IPC
It's almost time for IPC APEX EXPO 2019 at the San Diego Convention Center, and that means another Real Time with…IPC video program bringing you interviews with the electronics industry's top movers and shakers, engineers, and managers.
Words of Advice: Advice for Systems Designers
In a recent Design007 survey, we asked the following question: What advice would you give an OEM system designer? Here are just a few of the replies, slightly edited for clarity.
AltiumLive Munich: Day 1 Keynotes
The weather forecast was wrong! Despite my apprehension and winter clothes, there was very little snow at the Hilton Munich Airport. It could have been any season of the year inside the splendid convention facility, which was also the venue for the second European AltiumLive design summit. AltiumLive brought together a family of over 220 electronics engineers and designers eager to learn from top industry experts and applications specialists who were equally eager to share their knowledge and experience freely.
AltiumLive Munich Draws Designers from Around Europe
I’m finally unpacked after last week’s AltiumLive PCB design summit in Munich. Much like the AltiumLive event I attended in San Diego last October, the conference drew hundreds of PCB designers. This marked the second AltiumLive PCB design summit held in Munich, and Altium seems to have it down to a science. I spoke with designers from Germany, Austria, the Netherlands, and Belgium, just to name a few countries. Many of them were involved in the automotive segment but some were in medical and industrial controls as well. It’s great to be at an event that is full of PCB designers, because designers are few and far between at most PCB industry events.
CES 2019: More Show Floor Favorites
In my final piece covering CES 2019, I will review more automotive technology, updates on 3D printing, and some trending devices such as smartwatches and new computer components for those that either need or just want to have extremely powerful and impressive-looking computers.
Happy Anniversary, Gerber Format: Looking Ahead to Digital Innovation
This year, we celebrate the 55th anniversary of the introduction of the Gerber machine language format. We can thank H. Joseph Gerber, the man who took manual PCB design to the next level with the automated photoplotter, for giving us this format in 1964. Gerber immigrated to the United States in 1940 with his mother following the death of his father during the Holocaust. Gerber started Gerber Scientific Instrument Company in 1948 to commercialize his first patented invention—the variable scale.
STEM: The Future of Our Industry
Facing a growing shortage of talented labor with which to fill the employment positions in America, IPC is working to help solve this problem. Colette Buscemi, senior director of IPC’s education programs, is encouraging IPC members to better engage pre-college and post-secondary college students at the local level. Barry Matties spoke with Colette about the educational programs IPC has put in place to invest in future generations, including the STEM program at this year’s IPC APEX EXPO.
CES 2019 Showstoppers, the Show Floor, and Some Neat Stuff
CES 2019 is over, and those of us who spent four to five days trying to see and hear as much as possible are in recovery mode. There were over 182,000 attendees, and 6,600 of us were media all trying to get to as much of the 2.9-million-square-feet exhibit space as possible.
Altium Prepares for Munich Show as Growth Continues
It’s been just two months since the AltiumLive event drew several hundred designers to San Diego, California, and Altium is already gearing up for the next show in Munich, Germany (January 15–17, 2019). I recently spoke with Chris Donato, VP of global sales for Altium, about the upcoming AltiumLive show as well as the company’s growth over the past few years.
Mentor and Seica Partner for Data Prep and Testing Big Boards
Mark Laing, business development manager of the Valor division at Mentor, a Siemens company, and Luca Corli, director of sales at Seica, speaks with I-Connect007 Technical Editor Pete Starkey about the partnership between their two companies, which enables efficient data preparation for testing big boards, and accelerates new product introduction (NPI) cycles.
The Quest for Perfect Design Data Packages
There’s an ongoing problem in the PCB industry: fabrication shops are receiving incomplete or inadequate design data packages, leaving manufacturers scrambling to fill in the blanks. For a quick-turn prototype shop like Washington-based Prototron, with over 5,000 customers and up to 60% of orders coming from new customers each month, that can add up to a lot of wasted time and effort just in the quoting stage. Dave Ryder, Prototron president, and Mark Thompson, engineering support, delve into this continuing issue and more.
Alun Morgan Discusses AltiumLive Munich Keynote
EIPC Chairman Alun Morgan will deliver a keynote speech at this week’s AltiumLive event in Munich, Germany. He gave us a quick preview of his keynote, and explained what his new job entails as technology ambassador with Ventec International Group.
January 2019 Issue of Design007 Magazine Available Now
The component shortage is getting crazy. Some PCB designers are finding their favorite capacitors on 50-week and 80-week lead times, or worse. How do you design a board today when the components you need won’t be available for a year or more? In the January 2019 issue of Design007 Magazine, we asked our expert contributors to explain the current component shortage, as well as some of the workarounds that can help you get your next design out the door sooner rather than later.
A Fractal Conversation with Jim Howard and Greg Lucas
Veteran PCB technologists Jim Howard and Greg Lucas have made an interesting discovery: Certain shapes of copper planes make a PCB run more efficiently than other shapes, a process they dubbed fractal design. It doesn’t appear to cost a penny more, and testing suggests that fractal design techniques could eliminate edge noise. Barry Matties and Andy Shaughnessy asked Jim and Greg to discuss the fractal design process, and the advantages of using this technique.
Birds of a Feather: PCB Carolina and the RTP Designers Council
At PCB Carolina 2018, I met with show founders Tony Cosentino, Randy Faucette, and Lance Olive, who are all employees at the Better Boards service bureau in nearby Cary. I asked the trio to discuss the show’s history, its relationship to the Research Triangle Park (RTP) North Carolina Chapter of the IPC Designers Council, as well as the show’s tremendous growth over the past few years.
Rainer Beerhalter Discusses His AltiumLive Munich Presentation
Rainer Beerhalter is a physicist, and according to his design bureau’s website, “founder, owner, and mastermind” of B GMBH. Rainer attended the first AltiumLive in Munich in 2017, and he’s returning to this year’s event in Munich January 15–17. I asked him to tell us about the class he’ll be teaching in Munich, and why he decided to come back for the sophomore AltiumLive show.
Words of Advice: Streamlining Your Design Process
In a recent Design007 Survey, we asked the following question: What would help you streamline your design process? Here are just a few of the answers, edited slightly for clarity.
Robert Art on the Importance of Thermal Management
Robert Art, global account manager for IMS materials at Ventec International Group, discusses future market requirements for thermal management materials, the need for a better understanding of the concept of thermal impedance, and an initiative to propose a consistent industry-standard method for measuring thermal conductivity while at electronica 2018.
Words of Advice: Design Challenges
In a recent Design007 survey, we asked the following question: "What are your biggest design challenges?" Here are just a few of the replies, edited slightly for clarity.
Dan Beeker on His AltiumLive Munich Keynote and Battle With the Status Quo
Dan Beeker, senior principal engineer with NXP Semiconductors, was one of the speakers at the first AltiumLive event in San Diego in 2017. Now, he returns to AltiumLive 2019 in Munich from January 15–17 with a keynote titled, “It’s All About the Space.” Here, he discusses his keynote, which focuses on the need for designers to understand the behavior of electromagnetic fields, and why the status quo for advanced PCB design must change from, “We are going to fail,” to, “We are going to pass.”
Susy Webb: The History and Future of the Designers Council
When we started planning this issue on the IPC Designers Council, I knew I’d have to speak with design instructor Susy Webb, a longtime DC member and currently an executive board officer. I asked Susy to discuss how she first got involved with the DC, why designers should join their local chapter, and what the future holds for this group.
Top 10 Most-Read PCB Design Articles of 2018
Every year, we like to take a look back at the most popular PCB design news, articles, interviews, and columns. Without further ado, here are the top 10 most-read PCB design articles from the past year. Check them out.
Effects of PCB Fiber Weave on High-Speed Signal Integrity
This article studies the effect of PCB fiber weave on signal integrity in terms of mode conversion and differential channel loss due to intra-pair skew. The study used Keysight ADS 2DEM simulation to observe s-parameter (i.e., insertion loss and differential to common-mode conversion) and an eye diagram for signal transmission at 1 Gbps and 10 Gbps.
In Medical PCB Design, Innovation Never Stops
Medical electronics is an exciting field to be working in right now with new ideas coming online almost daily. We last interviewed medical PCB designer Kenneth MacCallum in 2015. Recently, I asked him to give us an update on trends he sees in medical electronics, and some of the challenges in adapting the latest technology to this segment of the industry.
Dock Brown on Succeeding at Failure Analysis
Dock Brown of DfR Solutions gave a keynote speech at SMTAI, “Requirements for Both Cleaning and Coating to Building Medical Hardware.” Barry Matties and Happy Holden sat down with Dock to discuss the current trends he sees in failure analysis, the concept of “rules versus tools,” and how predictive engineering software used early in the design cycle can help predict failures in components and microvias and drive cost down.
The Readers Speak: The Design Data Format Survey
If you’re or designer or a design engineer, the odds are good that you have a few things to say regarding design data formats. We want to hear from you! Your participation in this design data survey would be much appreciated. We know that your time is valuable, and you’re getting ready for the holidays, so we’ve kept it short and sweet.
Calculation of Frequency-Dependent Effective Roughness Dielectric Parameters for Copper Foil Using Equivalent Capacitance Models
Knowledge of the correct parameters of laminate PCB dielectrics refined from any copper foil roughness impact and the proper foil roughness characterization are important constituents of modeling high-speed digital electronics designs.
Randy Burcham Discusses New Techniques for BOM, Daughterboards
During AltiumLive, I spoke with IOTA Engineering's Randy Burcham, who taught several classes during the event. He explained his methodology for filtering BOM data as well as his new approach to working with daughterboards and how he was up and running on Altium tools after only three days.
Martin Cotton’s Parting Shot
Martin Cotton is a unique personality in the PCB industry. As Cotton says, “I’m a designer—look at my haircut!” Cotton gave the keynote at the Institute of Circuit Technology’s 2018 Harrogate Seminar, challenging his audience to consider laminate dielectric properties in the context of power and cost in a presentation entitled 'The Effect of the Dk of a PCB Laminate on the Cost-effectiveness of Office Rental Space. Intrigued?' Read on!
Words of Advice: Streamlining Your Design Process
In a recent Design007 Survey, we asked the following question: What would help you streamline your design process? Here are just a few of the answers, edited slightly for clarity.
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