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Partial HDI: A Delicate Balance

10/30/2024 | I-Connect007 Editorial Team
Partial 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 Thinking
People 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...SMTAI
In 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.

Designers Notebook: Implementing HDI and UHDI Circuit Board Technology

10/23/2024 | Vern Solberg -- Column: Designer's Notebook
To accommodate new generations of high I/O semiconductor packaging, circuit board technology has undergone significant changes in both the fabrication process method and the criteria for base material selection. The reason behind these changes is the new high-function semiconductor package families that require more terminals than their predecessors and a significantly narrower terminal pitch.

MKS’ Atotech and ESI to Participate at TPCA Show & IMPACT Conference 2024

10/23/2024 | MKS Instruments, Inc.
MKS Instruments, Inc., a global provider of enabling technologies that transform our world, today announced that its strategic brands ESI (laser systems) and Atotech (process chemicals, equipment, software, and services) will showcase their latest range of leading manufacturing solutions for printed circuit board (PCB) and package substrate manufacturing at the upcoming 25th Taiwan Circuit Board Industry International Exhibition 2024 to be held at the Taipei Nangang Exhibition Center from 23-25 October 2024.
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