Mitigation of Head-in-Pillow Defect - Circuits Assembly
May 19, 2017 · Head-in-pillow (HiP), also known as head-on-pillow (HoP) or ball in socket, is a solder joint defect that occurs mainly with BGA, CSP and package-on-package (PoP) components. During reflow, both the solder paste and solder ball melt. However, melted solder at the component ball and PCB pad do not join or coalesce after reflow.
Circuits Assembly Online Magazine - Home
AUSTIN, TX – Flex reported sales of $6.5 billion for the second quarter of its fiscal year, down 5.6% from the same quarter of 2023. Electronics Industry Sentiment Remains Subdued in October. BANNOCKBURN, IL – Industry sentiment in the electronics sector improved marginally in October after a sharp decline in September, according ...
Koh Young Debuts Zenith Alpha 3-D AOI - Circuits Assembly
Published: 03 October 2019. Zenith Alpha 3-D automated optical inspection (AOI) incorporates a “Smart and Dynamic” feature set, plus quality optimization technologies. Collects, analyzes and manages data in real-time to dynamically formulate a multifaced view of the assembly process. Provides reliable 3-D measurement and supports KSMART ...
Quick SMT Changeover Through Common PCB Recipes - Circuits …
May 1, 2015 · Current Issue. Quick SMT Changeover Through Common PCB Recipes. Published: 01 May 2015. by Bjorn Dahle. Tools that eliminate waiting time for ovens to stabilize on new temperatures can dramatically increase productivity. The SMT market in the US and areas of Europe is characterized as high-mix/low- to medium-volume and often extreme high-mix ...
How APCT Came to Have 'A Solution for Anybody in North America'
Mar 31, 2023 · APCT in February completed the acquisition of Advanced Circuits Inc. (ACI), a printed circuit board fabricator based in Aurora, CO, and with facilities in Chandler, AZ, and Maple Grove, MN. The acquisition nearly doubles APCT's annual revenue to $200 million, and makes the company the third largest among PCB fabricators in …
Top 50 EMS Companies Surpassed $457B in Revenue - Circuits …
Apr 10, 2023 · NEVADA CITY, CA – The top 50 EMS companies in the world accounted for $457 billion in revenue in 2022 – an increase of $40 billion from 2021, according to a report from Manufacturing Market Insider. Top 50 sales expanded dramatically from the previous year, exceeding the growth of the OEM market by more than double.
Creation Technologies: Born to Soar - Circuits Assembly
Jan 28, 2022 · Under the radar, the newest addition to the $1B EMS club is flying high on A&D. In 2021, with pandemics and parts shortages still grabbing all the headlines, Creation Technologies quietly joined an exclusive club: the $1 billion electronics manufacturing services companies. Fewer than 30 companies in the world are members of such rank, and of those, only two others are privately held.
Defining Acceptable Voiding Levels Under QFNs - Circuits Assembly
Aug 20, 2019 · Two QFNs with different levels of voiding under the central termination. FIGURE 2 shows the void calculation made by the x-ray system on the two QFNs in Figure 1. The calculations indicate the QFN on the left has total voiding under the central pad of ~30%. The QFN on the right has just over 50% voiding under the central pad, thereby exceeding ...
Identifying Solder Mask Problems with Simple Tests - Circuits …
Aug 30, 2024 · Solder mask check wipes. These wipes are designed for a quick qualitative test to identify undercured solder mask on PCBs. To use, remove a wipe from the package, ensuring the package is resealed. Rub the wipe on the PCB with moderate pressure for …
An Automated Tin Whisker Risk Assessment Process Resulting in ...
Jan 21, 2020 · The European RoHS Directive mandated that by July 2006, lead would be removed from electronics assemblies. In response, the electronics industry introduced more lead-free components into the supply chain. US military and medical device companies were exempt from this legislation. This exemption is rapidly changing.