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01005 Rework – Barricades and Technological Processes

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

PCB Manufacturability and Reliability Solutions for Fine Pitch PCB Server Boards

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 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

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 .. read more
Author(s)
Kevin Knadle
Event
IPC APEX EXPO 2020

High-Density PCB Technology Assessment for Space Applications

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 .. 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.

Micro vias, be they mechanically, or more typically laser drilled have revolutionized the technical capabilities of today PCBs. Their high hit rate, and low-cost during manufacture, in combi .. 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

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 assem .. 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

Several incidents occurred that prompted a team to investigate Printed Circuit Board (PCB) supplier best practices and rework procedures. Two of the more prominent incidents that occurred an .. 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

Printed circuit board manufacturers are continually challenged to fabricate denser solder mask patterns with smaller features to accommodate advanced electronic components. This trend is mot .. read more
Author(s)
Raanan Novik
Event
IPC APEX EXPO 2020

Detect PCB Stack-up Error with Machine Learning Methods

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. Most o .. read more
Author(s)
Ta Chang Chen, Fei Fei Kao, Huang Yu Chen
Event
IPC APEX EXPO 2020

The IPC CFX Standard as it Applies to Reflow Soldering

The advent of the Industry 4.0 Revolution and Internet of Manufacturing (IoM) has started to yield Smart factories, intelligent machines and networked processes, that have brought us improve .. read more
Author(s)
Marc Peo, Michael Ford
Event
IPC APEX EXPO 2020

Optimizing Throughput and Cost with Manufacturing Simulation

Electronics assembly can be delivered at competitive market prices only as long as the manufacturing process is continuously improved. Manufacturing companies are mastering with the help of .. read more
Author(s)
Jay Gorajia, Long Ting Chen, Krug,Stefan
Event
IPC APEX EXPO 2020

Interfacing Machines with Manufacturing Software: What Exactly Does It Entail and Is It Worth the Hassle?

With the ascent of Industry 4.0, the urgency of connecting to equipment on a manufacturing line is increasing. This article focuses on the electronics industry and summarizes what that inter .. read more
Author(s)
Carl Ogden
Event
IPC APEX EXPO 2020

A Hybrid Sintering Technology for High-power Density Devices Used in Aerospace Applications

Within-application reliability and fail-safe processes paramount, aerospace applications present unique challenges for materials suppliers. As aerospace electronic devices increase in power .. read more
Author(s)
Yuan Zhao, Bruno Tolla, Doug Katze, Glenda Castaneda, Ryan Yoshikawaand John Wood
Event
IPC APEX EXPO 2020

Atmospheric Plasma Surface Engineering of Printed Circuit Boards: A Novel Method to Improve the Adhesion of Conformal Coatings

Conformal coatings are essential components for the microelectronics packaging industry. These functional coatings aim to protect electronic circuits from environmental factors such as heat .. read more
Author(s)
Raul Gonzalez, Michael McCutchen, Richard Burke,Nathaniel Eternal, Ed Laughlin, and Daphne Pappas
Event
IPC APEX EXPO 2020

Oxide Alternative Process Development for High Frequency Bonding Applications

The demand for smaller, faster and smarter electronic devices that can communicate to each other via wireless networks is stretching current communication systems to their limits. This rapid .. read more
Author(s)
Neal Wood, Patrick Brooks, Thomas Thomas, Thomas Huelsmann, Tatjana Koenigsmann, Andry Liong, Wonjin Cho, Carrick Chan
Event
IPC APEX EXPO 2020

Innovative Panel Plating for Heterogeneous Integration

The migration to large panel substrates in advanced packaging applications is principally motivated by cost considerations. However, it is occurring at a time when package processing is beco .. read more
Author(s)
Richard Boulanger, Jon Hander, Robert Moon, Richard Hollman
Event
IPC APEX EXPO 2020

The Needs for, and Problems Experienced While Developing a Successful Low Palladium Activation System for Electroless Copper Deposition.

The electroless deposition of Copper is widely used within the printed circuit board industry as it offers a simple and reliable method for metallizing holes, which subsequently enable multi .. read more
Author(s)
Chrsitian Wendeln, Lutz Stamp, Gerson Krilles, Matthias Dammasch, Roger Massey
Event
IPC APEX EXPO 2020

Process Characterization that Results in Acceptable Levels of Flux and Other Residues

Surface Insulation Resistance (SIR) testing is a standard method used to characterize soldering and cleaning processes that result in acceptable levels of flux and other residues. Several di .. read more
Author(s)
Doug Pauls, Elizabeth Barr, Adrianna Roseman, Mark McMeen, Mike Bixenman
Event
IPC APEX EXPO 2020

Enhanced Cleanability Using Fluxes with Decreased Viscosity after Reflow

A series of flux systems have been developed which would result in a reduced viscosity after reflow. This enables a high viscosity, high tack flux to be used to secure components at the comp .. read more
Author(s)
Ning-Cheng Lee, Runsheng Mao, Fen Chen
Event
IPC APEX EXPO 2020

Can a PCBA with a Modern No-Clean Solder Paste Flux Residue Offer Electrical Reliability Comparable to a Cleaned PCBA?

Certain high-reliability pockets of the electronics industry, such as telecommunications, defense, aerospace, and medical, often put great weight on the cleanliness of the finished PCBA. The .. read more
Author(s)
Eric Bastow, Kim Flanagan
Event
IPC APEX EXPO 2020

Discrete Event Simulation in Electronics Manufacturing Operations

Every year, billions and billions of products are made and sold across the world. Each of these products, regardless of volume, are made in facilities that follow certain steps to assemble, .. read more
Author(s)
Zohair Mehkri, Mike Doiron
Event
IPC APEX EXPO 2020

Single Device Traceability in Assembly without ECID

Use cases, solutions and standards for single device traceability in the supply chain to enable root case analysis, recall containment, device pairing, yield and reliability improvement and .. read more
Author(s)
Dave Huntley
Event
IPC APEX EXPO 2020

Bringing AI To The Edge A Collaborative Study Of Defect Detection In Surface Mount Devices

Machine Learning  Edge Computing Edge AI Demonstrated using a Case Study on HiP (Head in Pillow) defect detection .. read more
Author(s)
Juthika Khargharia
Event
IPC APEX EXPO 2020

Achieving Solder Reliability for LGA Ceramic Image Sensors Through Refinement of SMT Soldering Processes

New product introduction at an Original Equipment Manufacturer (OEM) typically includes reliability testing in the form of thermal cycling. Samplings from the engineering models of a new pro .. read more
Author(s)
Lynda Pelley
Event
IPC APEX EXPO 2020

Temperature Cycling with Bending to Reproduce Typical Product Loads

In automotive applications, electronic products are subject to several loads, among which thermomechanical loads are particularly affecting the product reliability. Temperature cycling tests .. read more
Author(s)
Udo Welzel, Lauriane Lagarde, Yunxiang Wang, Fabian Schempp
Event
IPC APEX EXPO 2020

System in Package (SiP) and CSPs Underfilling on Reliability

This paper presents assembly challenges and reliability evaluation by thermal cycling for a 2.5D [aka, System in Package (SiP)]in a fine pitch ball grid array (FPBGA). More importantly, it p .. read more
Author(s)
Reza Ghaffarian
Event
IPC APEX EXPO 2020

Jet-Dispensed SMT Adhesives for Durable Printed Electronics

Polymer Thick Film(PTF)-based printed electronics (aka Printed Electronics) has improved in durability over the last few decades and is now a proven alternative to copper circuitry. This pap .. read more
Author(s)
Leonard Allison
Event
IPC APEX EXPO 2020

Improved Process Yield with Dynamic “real-time” Dual Head Dispensing

Today’s unique assembly challenges are comprised of complex PCB panelization, involving identical PCBs with a goal towards increased production capability, due to a reduced footprint of the .. read more
Author(s)
Sunny Agarwal
Event
IPC APEX EXPO 2020

Industrial Beta Deployment of 1st Domestic, High Volume SAP Process for Resolving HDI Technologies Down to 25 Micron Space and Trace

The drive for miniaturization of both commercial and aerospace/military technologies are not compatible with the current standard United States domestic PCB manufacturing processes at the vo .. read more
Author(s)
Audra Thurston, Jose Cordero, Brian Hess, Dr. Meredith LaBeau
Event
IPC APEX EXPO 2020

Advanced Interconnect Process Enables Very High-DensityPCB Structures

The need for increasingly complex electronics combined with the obsolescence of larger component packages is driving innovation to provide alternatives to the traditional subtractive-etch fa .. read more
Author(s)
Mike Vinson
Event
IPC APEX EXPO 2020

Industry 4.0 - How we transform a Buzzword into Manufacturing Excellence in Electronics: Case Study for Improving the PCB Print Process Using Factory Data

The competitive pressures that electronics companies experience today are exceptional, even for an industry accustomed to a relentlessly high rate of innovation. Manufacturers are challenged .. read more
Author(s)
Martin Franke
Event
IPC APEX EXPO 2020

The Convergence of Technologies and Standards Across the Electronic Products Manufacturing Industry (SEMI, OSAT, and PCBA) to Realize Smart Manufacturing

The Vertical Segments of the Electronic Products Manufacturing Industry (Semiconductor, Outsourced System Assembly, and Test, and Printed Circuit Board Assembly) are converging and service o .. read more
Author(s)
Ranjan Chatterjee, Daniel Gamota
Event
IPC APEX EXPO 2020

Optimization of Robotic Soldering Process: A Focus on Solder Spread and Spattering

Robotic soldering is a growing market within the PCB Assembly industry and interest in robotic soldering equipment and applications is increasing every year. This method is more efficient th .. read more
Author(s)
Robert McKerrow
Event
IPC APEX EXPO 2020

Selective Soldering with Alternative Lead-Free Alloys

The electronics industry is still searching for alternative lead-free alloys. Selective soldering requires relatively high solder temperatures to get proper hole filling. Alternative alloys .. read more
Author(s)
Gerjan Diepstraten
Event
IPC APEX EXPO 2020

Structural Electronics for Automotive Interiors

This paper presents results from a joined R&D project between two companies; Automotive Tier-1 and Technology Provider of structural electronics. Key benefits of structural electronics a .. read more
Author(s)
O. Rusanen, T. Beljah, C. Cuvillier, T. Heikkilä, P. Korhonen, M. Kärnä, P. Niskala
Event
IPC APEX EXPO 2020

Vibration Testing of Harsh Environment Solder Alloys

Electronic components are exposed to impact loadings and mechanical vibrations during assembly, material handling, and transportation. These loadings might affect the fatigue life of solder .. read more
Author(s)
Arvind Karthikeyan
Event
IPC APEX EXPO 2020

Materials Considerations for Automotive Radar Designs: Increasing Reliability in Automotive Safety Systems

Radio Detection and Ranging (radar) sensors require specialized materials and specific tolerances in order to optimize their function. However, although not new to many markets, such as the .. read more
Author(s)
Lenora Clark, Paul Salerno, Senthil Kanagavel
Event
IPC APEX EXPO 2020

Hot AirBGARework Process Improvement with a Touchless Temperature-Dependent Live-Feedback Process

Commonly used integrated circuits have been increasingly moving from leaded packages that are reworkable with a soldering iron to leadless packages such as BGAs that require complex rework t .. read more
Author(s)
Peter Lu
Event
IPC APEX EXPO 2020

Get Rid of the Wooden Pick and Other Neanderthal Approaches for Rework of Underfilled Components

Multiple Electronics Markets are driving the growing need for components with higher performance in smaller form factors with higher pin count and greater reliability. Ball Grid Ar .. read more
Author(s)
Brian P. Czaplicki
Event
IPC APEX EXPO 2020

An Interesting Approach toYield Improvement

Whilst many forward-thinking companies invest time, effort and cost into up front work to fix snags which would lead to issues with yield during production, this paper shows the efforts of a .. read more
Author(s)
Keith Bryant
Event
IPC APEX EXPO 2020

Accuracy Validation Finds Hidden Problems Affecting DPMO

If you don't measure, you don't know. These are appropriate words for the application of statistical methods for measuring machine and process capabilities in surface mount technology (SMT) .. read more
Author(s)
Michael Sivigny
Event
IPC APEX EXPO 2020

Pick-and-Place Feeder density within SMT and Electronics Assembly

With the growth of Surface Mount Technology (SMT) driven by new technological innovations and next generation products, machine feeder density becomes extremely important in electronics manu .. read more
Author(s)
Terry York
Event
IPC APEX EXPO 2020

Impact of PCB Manufacturing, Design, and Material to PCB Warpage

Customer demands for smaller form factor electronic devices are driving the use of thinner electronic components and thinner printed circuit boards (PCB) in the assembly process. The use of .. read more
Author(s)
Antonio Caputo
Event
IPC APEX EXPO 2020

California Proposition 65 Review

Warning required to be provided for exposing person to a listed chemical, unless “person in the course of doing business” can demonstrate it does not pose “significant risk”   •App .. read more
Author(s)
Michael Easter
Event
IPC APEX EXPO 2020

Update on Proposition 65

California Clear and reasonable warnings •Overview of new warning regulation  •Retailer warnings accompanying sale  •Warnings website •Listings•Compliance assis .. read more
Author(s)
Carol Monahan Cummings
Event
IPC APEX EXPO 2020

Pb-free BGAs in a SnPb Assembly: An Overview of ARP6415

Intended for use as technical guidance by ADHP (Aerospace, Defense, and High-Performance) electronics system customers to provide the technical structure needed to allow the designer to eval .. read more
Author(s)
Ben Gumpert
Event
IPC APEX EXPO 2020

Qualified Manufacturing Process Development by Applying IPC J-STD-001G Cleanliness Standard

J-STD-001G Amendment 1 standard requires an OEM and EMS to qualify soldering and/or cleaning processes that result in acceptable levels of flux and other residues. Objective evidence shall b .. read more
Author(s)
Mike Bixenman
Event
IPC APEX EXPO 2020

Transient AMR Project for Semiconductor Products: Phase 1

Findings and recommendations are reported from phase 1 of the Transient AMR(absolute maximum ratings) project, which is sponsored by the EOS/ESD Association and Industry Council on ESD Targe .. read more
Author(s)
Stevan Hunter
Event
IPC APEX EXPO 2020

Measuring the Impact of Test Methodsfor High-Frequency Circuit Materials

High-frequency materials are characterized by several important parameters, including the dielectric constant or relative permittivity (εr) and the dissipation factor (Df). For those paramet .. read more
Author(s)
John Coonrod
Event
IPC APEX EXPO 2020

A Cost-Effective Method for Accurate PCB Impedance Simulation of Any Specific Stack-Ups

This paper analyzes the reasons of inaccurate PCB impedance simulation of the traditional simulator and introduces a novel and cost-effective method for accurate PCB impedance simulation of .. read more
Author(s)
Terry Ho
Event
IPC APEX EXPO 2020