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October Issue of Design007 Magazine: Partial HDI
October 8, 2024 | I-Connect007 Editorial TeamEstimated reading time: Less than a minute
Partial HDI refers to the targeted use of HDI, usually on one section of one layer of the board. It offers designers an avenue for escape routing from BGAs with a pitch of .5 mm or less, when a mechanically drilled plated through-hole is impossible. With HDI relegated to one layer of the board, fabricators can avoid the expense of sequential lamination cycles.
In the October issue of Design007 Magazine, our expert contributors provide a complete, detailed view of partial HDI. Most experienced PCB designers can start using this approach right away. But you need to know these tips, tricks and techniques first.
Suggested Items
UHDI Fundamentals: UHDI Bleeding-edge Manufacturing Applications, Part 1
11/14/2024 | Anaya Vardya, American Standard CircuitsLast month, I talked about ultra high definition interconnect (UHDI) in relation to entertainment applications. This month, I will explain bleeding-edge UHDI applications in manufacturing, which are revolutionizing the industry by enabling ultra-precise visual data transmission, high-speed communication between devices, and real-time monitoring. These UHDI technologies help manufacturers achieve higher efficiency, better quality control, and greater automation. Following are some leading-edge manufacturing applications of UHDI in manufacturing.
One Partial HDI Technique: mSAP
11/05/2024 | Andy Shaughnessy, Design007 MagazineChris Hunrath, vice president of technology at Insulectro, believes that mSAP just might be the trick for designers considering partial HDI. As Chris explains, the materials and equipment required for the mSAP process are easily available, and the process is well established. This could be a great option for designers working with BGAs that have a pitch of 0.5 mm or less.
Partial HDI: A Delicate Balance
10/30/2024 | I-Connect007 Editorial TeamPartial HDI can be the perfect solution for designers faced with escape routing from tight-pitch BGAs. But there are a variety of material, signal integrity, and DFM trade-offs to understand before you get fully into partial HDI. We asked Stephen Chavez to explain the fundamentals, as well as the details, of this promising process. Are you using partial HDI?
Flexible Thinking: Musings on High Density Interconnections
10/30/2024 | Joe Fjelstad -- Column: Flexible ThinkingPeople have been using high density interconnection (HDI) technology since the early 1980s, although it was not called HDI until the late 1990s. In the 1970s, ’80s, and early ’90s, engineers used HDI methods to develop hybrid circuits, which were later referred to as multichip modules (MCMs). These were arguably the first instantiation of heterogeneous interconnection technology, which has been the industry buzzword for almost a decade. These devices are a way of integrating multiple chips—both integrated circuits and discrete devices (resistors, capacitors, and inductors)—into a single package, typically using ceramic substrates with layers of insulation and metallic inks (often gold) and firing them at high temperatures.
Real Time with... SMTAI 2024: Summit Interconnect Doing Its Part to Rebuild Industry Expertise
10/29/2024 | Real Time with...SMTAIIn this interview from the recent SMTAI show, Nolan Johnson speaks with Jesse Vaughan from Summit Interconnect. Jesse hits the highlights for some of Summit's programs to promote skilled workers in our industry—programs such as apprenticeships, Emerging Engineers, and more.