Welcome to IPC's collection of technical papers presented at conferences since 2002. You can search by author, title and keyword. You can also search for keywords and topics in the Tag field. Access to the papers is reserved for IPC members.

CyberSecurity Concerns for the Printed Circuit Board Industry

Description This slide show discusses the cybersecurity risks associated with network integration.  The supply chain is the most vulnerable, especially sub suppliers.  A particular risk is when bad actor suppliers build in controlling components by changing the Gerber file.  This allows worms to infiltrate s ... read more
Author(s)
Brian S. Cohen
Event
IPC APEX EXPO 2021

Present Company Not Excluded – New Cybersecurity Regulations Will Affect Your Business (and make it safer)

Description Current policies and regulations intended to protect supply chains from cyber threats, especially the supply chain to the US DoD, have proven ineffective. Nearly $1 trillion in intellectual property and controlled unclassified information (CUI) is stolen very year by foreign adversaries. ... read more
Author(s)
Stuart Itkin
Event
IPC APEX EXPO 2021

Circuit Board Security Vulnerabilities and Counteractions

Description Published stories in 2015 of a maliciously altered server motherboard have made clear that the circuit board is vulnerable to hardware attacks. ... read more
Author(s)
Samuel H. Russ
Event
IPC APEX EXPO 2021

DoD Cybersecurity: Where We Are Now and What Needs to Be Done to Be Compliant

Description This paper will discuss from an operational perspective what companies are or aren’t doing now and what steps companies can take to secure their overall IT enterprise which will logically help secure their Operational Technology (OT). ... read more
Author(s)
Samuel P. Morthland
Event
IPC APEX EXPO 2021

Microvia Process Guidelines

Description High Density Interconnect (HDI) Printed Circuit Boards (PCBs) and assemblies are essential to allow space projects to benefit from the ever-increasing functionality of modern integrated circuits. ... read more
Author(s)
Stan Heltzel, Pierre Emmanuel Goutorbe, Jean-Marc Guiraud, Thomas Rohr
Event
IPC APEX EXPO 2021

IPC/IMEC/ESA Microvia TV IST Test Results

Description This slide show discusses Automation of IST testing.  It utilizes Dielectric estimation laminate assessment method (DELAM).  The slides utilizes thermo-graphics to locate the failure in microvias.  The microvias are tested using IST standard X design and Reflow cycling.    Different Microvia stru ... read more
Author(s)
Jason Furlong
Event
IPC APEX EXPO 2021

Signal Integrity, Reliability, and Cost Evaluation of PCB Interlayer Crosstalk Reduction

Description The push for faster data rates and increased signal density in printed circuit boards (PCBs) increases the risk of signal crosstalk on high-speed communication busses which can be highly detrimental to system performance. ... read more
Author(s)
Sarah Czaplewski, Roger Krabbenhoft, and Junyan Tang
Event
IPC APEX EXPO 2021

Solve BGA VIPPO Failures with Advanced Materials

Description Optimal breakout of ultra-fine-pitch ball grid array (BGA) packages requires a mix of via structures – through and blind mechanical, stacked and staggered laser – often implemented in thicker PCBs with higher part densities. ... read more
Author(s)
Naji Norder, Brian Flemming
Event
IPC APEX EXPO 2021

Semi-AdditivePCBProcessing: Process, Reliability Testing andApplications

Description The continued miniaturization of both packaging and component size in next-generation electronics presents a significant challenge for PCB designers and PCB fabricators. ... read more
Author(s)
Mike Vinson
Event
IPC APEX EXPO 2021

Thermal Improvement in 3D Embedded Modules Using Copper Bar Vias

Description The combination of increased I/O density, reduced footprint, and multi-die capability within a single platform makes embedded die an attractive solution. ... read more
Author(s)
Manoj Kakade, Richard Dowling, Mumtaz Bora, Jake Tubbs, and Ahmed Maghawri
Event
IPC APEX EXPO 2021

FIDES, Reliability Assessment of Electronics: A New Approach to the LeadFree Process Factor

Description The reliability control in airborne electronics products is essential due to safety and business reasons. ... read more
Author(s)
Murilo Levy Casotti, José Carlos Boareto, Orestes Estevam Alarcon, Andre Oliveira,
Event
IPC APEX EXPO 2021

Failure Analysis Cases Studies on Solder De-Wetting For Electronics Products

Description Over many years defect analysis has been used at the company to determine the root cause of various defects experienced in the field on electronic products from customers. Based on this work it has been found that around 25 percent of all case studies have been due to de-wetting issues. ... read more
Author(s)
Jasbir Bath, Kentaro Asai, Shantanu Joshi, Jack Harris, Roberto Segura
Event
IPC APEX EXPO 2021

Analyzing Printed Circuit Board Voiding and other Anomalies when Requirements Covering the Anomalies are Vague

Description Two independent Printed Circuit Board (PCB) suppliers found unusually high voiding anomalies in multiple manufacturing lots of PCBs that were processed over a 5 month period. ... read more
Author(s)
Wade Goldman, Hailey Jordan, Curtis Leonard
Event
IPC APEX EXPO 2021

A Framework for Large-Scale AI-Assisted Quality Inspection Implementation in Manufacturing Using Edge Computing

Description In recent years, neural network based deep learning models has demonstrated high accuracy in object detection and classification in the area of digital image processing. ... read more
Author(s)
Feng Xue, Charisse Lu, Christine Ouyang, James Hoey, Rogelio Fernando Gutierrez Valdez, Richard B Finch
Event
IPC APEX EXPO 2021

The Case for an Electronics Supply Chain Blockchain

Description Blockchain technology has a lot of publicity in the electronics industry because of the way it has been used to address issues with sharing data across distributed networks and is recognized for providing "greater transparency, enhanced security, improved traceability, increased efficiency and sp ... read more
Author(s)
Michelle Lam, Dave Verburg, Curtis Grosskopf
Event
IPC APEX EXPO 2021

Enriching Test Equipment Analytics with Structured Logging

Description Automated test equipment plays a large role in the manufacturing process at the Kansas City National Security Campus (KCNSC). Every test run generates data which is used to determine if a part meets its requirements or to troubleshoot failures if they occur. ... read more
Author(s)
Jack Savage, Mike Tohlen, Alex Czarnick
Event
IPC APEX EXPO 2021

A Guide to Manufacturing Data Analytics

Description Data is the New Oil ... read more
Author(s)
Francisco Almada Lobo & Dave Trail
Event
IPC APEX EXPO 2021

Advanced, Non-Real-Time Uses of Machine Data for Factory Operational Improvement

Description EMS factories have collected and used machine data for many decades. ... read more
Author(s)
Timothy M Burke
Event
IPC APEX EXPO 2021

A Structured Approach for Providing well-formed Maintenance Data for SMT Machines

Description Smart Factories require continuous and reliable operation of all equipment. Therefore, equipment maintenance is becoming more and more important. ... read more
Author(s)
Thomas Marktscheffel
Event
IPC APEX EXPO 2021

IPC/IMEC/ESA Microvia TV Introduction

Description This presentation provides an overview of an ongoing examination of test methodologies within the ESA, supported by IPC, for the evaluation of stacked and staggered (offset) microvia structures, including air-to-air thermal shock, convection reflow assembly simulation and current induced thermal ... read more
Author(s)
Maarten Cauwe
Event
IPC APEX EXPO 2021

Implementing a Global Machine Data Collection System Across Many EMS Factories

Description As EMS Providers such as Contract Manufacturers look forward to Industry 4.0, their need for complex data analysis to inform manufacturing decisions takes on even more significance. ... read more
Author(s)
Myckel Haghnazari
Event
IPC APEX EXPO 2021

Implementation of IPC CFX Using Surface Mount Legacy Equipment

Description The smart factory project for Electronics Manufacturing initiative was developed to create a sandpit to carry out industry 4.0 use cases working with industrial members and partners. ... read more
Author(s)
Naim Kapadia, Joel Kellam, and Jay Taylor
Event
IPC APEX EXPO 2021

The Role for Automation and Robotics in Electronics Manufacturing

Description Why use robotics? Precision -> improved quality Consistency -> improved quality Traceability -> improved quality Dexterity -> to handle the parts Robust -> reliability for multi shift operations Reconfigurable -> flexibility ... read more
Author(s)
Mike Wilson
Event
IPC APEX EXPO 2021

Working with Augmented Realityin Electronics Manufacturing

Description This paper discusses the automation of inspection using Augmented Reality (AR).   Machine vision is used to find small components since it reduces the amount of time needed for inspection.  Augmented reality overlays the information from the design onto the PCB under the lens.  It then assists th ... read more
Author(s)
David Varela, Thomas Barclay, Mohammad Ahmed
Event
IPC APEX EXPO 2021

IPC/IMEC/ESA MICROVIA TV INTRODUCTION

Description This presentation provides an overview of an ongoing examination of test methodologies within the ESA, supported by IPC, for the evaluation of stacked and staggered (offset) microvia structures, including air-to-air thermal shock, convection reflow assembly simulation and current induced thermal ... read more
Author(s)
Maarten Cauwe
Event
IPC APEX EXPO 2021

IPC/IMEC/ESA Microvia TV CITC Test Results

Description IPC/IMEC/ESA Microvia TV CITC Outline  CITC Coupon and Test Plan Overview  CITC Test Introduction  Temperature Coefficient of Resistance (TCR) Test and Results  Relative Life of the 3 HDI microvia structures provided  CITC Life Curves, Nf vs Temperature ... read more
Author(s)
Kevin Knadle
Event
IPC APEX EXPO 2021

Process Improvement Strategies for Weak Microvia Interfaces

Description The industry has been openly discussing the concern about weak microvia interfaces after IR reflow and the potential for an undetected open or latent defect that can escape after expensive components have been soldered to the board. ... read more
Author(s)
William Bowerman, Jordan Kologe, Rich Bellemare and Warren Kenzie
Event
IPC APEX EXPO 2021

The Complete Path to Least Resistance

Description The electroless copper deposit must form a metallurgical bond between the target pad and electrolytic copper deposit to survive reflow assembly. 4-wire resistance measurements conducted on PWBs and coupons during reflow assembly revealed that thermal excursions fractured microvias. ... read more
Author(s)
Jerry Magera
Event
IPC APEX EXPO 2021

Microvia Weak Interfacial Fracture of Microvia Designs-Comparing the Reliability of Graphite-based Direct Metallization and Conventional Electroless Copper-Phase 1

Description Documentation shows that there are latent reliability issues with stacked filled Microvia designs for complex printed circuit boards. This issue is broadly defined as a weak interface between the plated copper and the blind via the target pad. ... read more
Author(s)
Gerry Partida, Daniel Heitner, Jay Sturgeon, Michael Carano
Event
IPC APEX EXPO 2021

Technology Verification for Reliable Smart Surfaces

Description The Company has developed and industrialized an advanced technology of plastic-integrated structural electronics. Key benefits are 3-dimensional shapes, reduced thickness and weight as well as simplified assembly. The benefits are especially suited for automotive interior use cases. ... read more
Author(s)
Outi Rusanen, Janne Asikkala, Paavo Niskala and Tomi Simula
Event
IPC APEX EXPO 2021

Addressing the Changing Landscape of Automotive Electronic Designs: Improving Performance and Robustness Through Proper Material Choice

Description The automotive industry is experiencing significant change in design and performance expectations as it moves to the future. Synonymous with high reliability in harsh conditions, today the automotive industry is also being linked to advanced electronics. ... read more
Author(s)
Lenora Clark, Senthil Kanagavel, Richard Bellemare, Paul Salerno
Event
IPC APEX EXPO 2021

Reliability of Solder Alloys Depending on Different Substrate Characteristics (Type and Surface Finish)

Description Electrical components in a car are predicted to double within the next years. Increased functionality per PCB, miniaturization and higher power density are coming in parallel with this trend. Keeping or increasing the reliability of assembled PCBs or other substrates (e.g. ... read more
Author(s)
Jörg Trodler, Robert Miller, Manu Noe Vaidya, James Wertin, Stefan Merlau
Event
IPC APEX EXPO 2021

Comparative Corrosion: Engineered Aqueous Cleaner vs. Ph Neutral -Round 1

Description The corrosion mechanism in the aqueous cleaning process is poorly understood. Much of the prior work is theoretical, based solely on Pourbaix Diagrams. These diagrams are based on the thermodynamic properties of the metal and select salts in a hypothetical situation. ... read more
Author(s)
David Lober Kyzen, Mike Bixenman
Event
IPC APEX EXPO 2020

Solder Mask and Low Standoff Component Cleaning – A Connection?

Description Today, printed circuit boards used within electronic assemblies for high reliability applications are typically subjected to cleaning or defluxing processes. ... read more
Author(s)
Jigar Patel, Umut Tosun
Event
IPC APEX EXPO 2020

Evaluations onThe Mixing andReliability Testingof Tin-Bismuth Pastes withSnAgCu BGA Components andReliability Failure Analysis Comparing CT (Computed Tomography) Inspection andCross-Sectioning

Description Recently there has been an increase in the evaluation of low temperature lead-free soldering materials, such as tin-bismuth, in a process known as “hybrid assembly” in which higher temperature SnAgCu BGA/CSP components are assembled using low temperature tin-bismuth based pasts at typical tin-bis ... read more
Author(s)
Jasbir Bath, Shantanu Joshi, Roberto Segura, Van Huynh, Robert Boguski, Yaohui Fan, and Carol Handwerker
Event
IPC APEX EXPO 2020

Reliability of New SAC-Bi Solder Alloys in Thermal Cycling with Aging

Description Drive towards lead-free electronics began in the early 2000s. Solder pastes based on tin (Sn), copper (Cu), and silver (Ag) were the initial replacement for the traditional SnPb solder. ... read more
Author(s)
Francy John Akkara, Mohammed Abueed, Mohamed Belhadi1, Xin Weil, Sa’d Hamasha1, Haneen Ali1, Jeff Suhling, Pradeep Lall
Event
IPC APEX EXPO 2020

Novel TIM Solution with Chain Network Solder Composite

Description A novel epoxy SAC solder paste TIM system has been developedwith the use of non-volatile epoxy flux. Cu filler was added to the solder paste, with Cu volume % of metal ranged from 17 to 60 volume % of metal. ... read more
Author(s)
Runsheng Mao, Sihai Chen, Elaina Zito, David Bedner, and Ning-Cheng Lee
Event
IPC APEX EXPO 2020

Liquid Dispensed Thermal Materials for High Volume Manufacturing

Description Industry 4.0, autonomous vehicles and 5G connectivity are driving a new Internet of Things (IoT) revolution. Assembly materials like thermal interface materials (TIMs) need to be selected keeping in mind both performance as well as economics viability. ... read more
Author(s)
Sanjay Misra
Event
IPC APEX EXPO 2020

Cure Temperature Impact on Silicone Properties

Description Most dispensable thermosetting products are supplied as blends of monomers or pre-polymers. ... read more
Author(s)
Kent Larson
Event
IPC APEX EXPO 2020

High Performance Light and Moisture Dual Curable Encapsulant

Description Light-curable materials can provide significant benefits over conventional technologies, including very fast tack free curing, lower operating costs driven by lower labor needs, space savings, lower energy demand, and higher throughput. ... read more
Author(s)
Aysegul Kascatan Nebioglu, Chris Morrissey
Event
IPC APEX EXPO 2020

Copper Foil Elements Affecting Transmission Loss with High Speed Circuits

Description   ... read more
Author(s)
Hiroshi Ono, Ayumu Tateoka, Shinichi Obata, Hiroaki Kurihara, Robert Carter, Eriko Yamato
Event
IPC APEX EXPO 2020

01005 Rework – Barricades and Technological Processes

Description Chip components are important elements in electronic production since surface mount technology was introduced. Over the years, package size has constantly decreased. ... read more
Author(s)
Joerg Nolte
Event
IPC APEX EXPO 2020

PCB Manufacturability and Reliability Solutions for Fine Pitch PCB Server Boards

Description Industry demand for high-speed server product performance such as PCI express requires higher pin counts in order to support memory channels which in turn is driving pitch reduction in the printed circuit board(PCB).To provide better signal integrity for high-speed signals, ultra-low loss (ULL) P ... read more
Author(s)
A.Caputo, W.C. Roth, B. Grossman, B. Aspnes, X. Ye, W. Acevedo, J. Landeros, and S.A. Aravamudhan
Event
IPC APEX EXPO 2020

The Keys to 100% Effective Reliability Testing and Failure Analysis of HDI/Microvias

Description The move from Plated Through Vias (PTVs) to advanced HDI interconnects is challenging the electronics industry, not only due to the increased complexity of design and manufacturing, but even more due to the difficulties associated with screening and testing at every level: PWB, assembly, and syst ... read more
Author(s)
Kevin Knadle
Event
IPC APEX EXPO 2020

High-Density PCB Technology Assessment for Space Applications

Description High density interconnect (HDI) printed circuit boards (PCBs) and associated assemblies are essential to allow space projects to benefit from the ever increasing complexity and functionality of modern integrated circuits such as field programmable gate arrays (FPGAs), digital signal processors (D ... read more
Author(s)
Maarten Cauwe, Bart Vandevelde, Chinmay Nawghane, Marnix Van De Slyeke, Erwin Bosman, Joachim Verhegge, Alexia Coulon, Stan Heltzel
Event
IPC APEX EXPO 2020

Lessons Learned While Investigating Microvia Reliability Failures.

Description Micro vias, be they mechanically, or more typically laser drilled have revolutionized the technical capabilities of today PCBs. ... read more
Author(s)
Tobias Bernhard, Roger Massey, Senguel Karasahin, Frank Brüning
Event
IPC APEX EXPO 2020

Functional Testing of Complex Circuits with Automatic Test Equipment in Manufacturing and Support

Description Automatic Test Equipment (ATE) in the form of in-circuit and manufacturing defects analyzers have been used successfully for finding catastrophic flaws that occur during production and assembly. ... read more
Author(s)
Louis Y. Ungar
Event
IPC APEX EXPO 2020

A Method to Investigate Printed Circuit Board Supplier Rework Processes and Best Practices

Description Several incidents occurred that prompted a team to investigate Printed Circuit Board (PCB) supplier best practices and rework procedures. ... read more
Author(s)
Hailey Jordan, Wade Goldman, Curtis Leonard,
Edward Arthur
Event
IPC APEX EXPO 2020

Testing and Implementation of Direct Imaging and Direct Jetting of Solder Mask

Description Printed circuit board manufacturers are continually challenged to fabricate denser solder mask patterns with smaller features to accommodate advanced electronic components. This trend is motivating manufacturers to adopt novel methods to achieve the required solder mask designs. ... read more
Author(s)
Raanan Novik
Event
IPC APEX EXPO 2020

Detect PCB Stack-up Error with Machine Learning Methods

Description In manufacturing multilayer printed circuit boards (PCBs), the PCB layer stack-up usually includes multiple plies of various types of prepreg along with the inner layer core material. ... read more
Author(s)
Ta Chang Chen, Fei Fei Kao, Huang Yu Chen
Event
IPC APEX EXPO 2020