Electronics Manufacturing Technical Articles

Electronics Manufacturing Technical Articles

Papers and articles related to SMT, PCB & EMS industry.

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1757 SMT / PCB Assembly Related Technical Articles

Considerations for High Speed PCB Track Design in 10Gb/s Serial Data Transmission

Dec 09, 2009 | Steve Bowers and Dr Herbert Lage Applications Engineering Avago Technologies Fiber Optic Products Division

A fundamental evaluation of a variety of approaches for designing a high-speed (10 Gb/s) serial differential electrical channel is examined. The application of the electrical interface has been simulated using HSpice software. It demonstrated how the signal quality could be affected by the use of microstrip versus stripline traces and their associated advantages and disadvantages is discussed. Example XFI channels were assembled from the simulation results to demonstrate viability of the application....

Publisher: Avago Technologies

Avago Technologies

Leading designer, developer and global supplier of a broad range of analog semiconductor devices.

San Jose, California, USA

Manufacturer

BGA Package Component Reliability After Long-Term Storage

Dec 03, 2009 | R. Key, B. Lange, R. Madsen

This paper provides additional data in support of shelf life extension for BGA and Die Size BGA (DSBGA) Packages....

Publisher: Texas Instruments

Texas Instruments

Texas Instruments Incorporated provides innovative DSP and analog technologies to meet our customers real world signal processing requirements. In addition to Semiconductor, the company includes the Educational & Productivity Solutions business. T

Dallas, Texas, USA

Manufacturer

Component Reliability After Long Term Storage

Dec 03, 2009 | R. R. Madsen

Each year the semiconductor industry routes a significant volume of devices to recycling sites for no reliability or quality rationale beyond the fact that those devices were stored on a warehouse shelf for two years. This study identifies the key risks attributed to extended storage of devices in uncontrolled indoor environments and the risk mitigation required to permit safe shelf-life extension....

Publisher: Texas Instruments

Texas Instruments

Texas Instruments Incorporated provides innovative DSP and analog technologies to meet our customers real world signal processing requirements. In addition to Semiconductor, the company includes the Educational & Productivity Solutions business. T

Dallas, Texas, USA

Manufacturer

Sustaining a Robust Fine Feature Printing Process

Nov 24, 2009 | George Babka; Assembléon, David Sbiroli, Chris Anglin; Indium Corporation, Richard Brooks, Christopher Associates

With the introduction of 01005 chip components and 0.3 mm pitch CSP devices, electronic component packaging is pushing surface mount technology to the limits of its potential. Miniaturization is driving the electronics industry to implement the smallest and tightest pitch components in order to meet their customer demands. But how much miniaturization is possible before there is a paradigm shift in the technology? At what point is solder paste no longer viable? How small of a feature can be printed with solder paste, and can this process be implemented into a production environment?...

Publisher: Assembléon

Assembléon

Assembleon manufactures a range of Surface Mount Technology (SMT) placement equipment, Pick & Place Machines and provides related services.

LA VELDHOVEN, Netherlands

Manufacturer

SMT Placement for ICs, Connectors and Odd-Shaped Components

Nov 18, 2009 | Gerry Padnos Director of Technology, Juki Automation Systems.

Accurate component placement is a basic requirement for any pick and place machine. The first step towards accurate placement is accurate centering, or measurement of the component’s position on the placement head. One of the most widely used centering methods for ICs, connectors, and odd‐shaped components are a camera based system that measures the component position relative to a known point. Camera based centering systems include three main elements: lighting, camera, and software. Each of these elements are critical to obtaining an accurate measurement of the component and ultimately for accurate component placement on the PCB. As the old adage goes, the system is only as strong as its weakest link....

Publisher: Juki Automation Systems

Juki Automation Systems

Juki Automation Systems Inc. is one of the worlds leading SMT placement companies with over 45,000 machines installed worldwide and is the pioneer of the modular automated assembly line. see www.jukiamericas.com for more info.

Morrisville , North Carolina, USA

Manufacturer

Head-in-Pillow BGA Defects

Nov 05, 2009 | Karl F. Seelig.

Head-in-pillow (HiP), also known as ball-and-socket, is a solder joint defect where the solder paste deposit wets the pad, but does not fully wet the ball. This results in a solder joint with enough of a connection to have electrical integrity, but lacking sufficient mechanical strength. Due to the lack of solder joint strength, these components may fail with very little mechanical or thermal stress. This potentially costly defect is not usually detected in functional testing, and only shows up as a failure in the field after the assembly has been exposed to some physical or thermal stress....

Publisher: AIM Solder

AIM Solder

AIM is a leading global manufacturer of solder assembly materials for the electronics industry.

Montreal, Quebec, Canada

Manufacturer

Effects of an Appropriate PCB Layout and Soldering Nozzle Design on Quality and Cost Structure in Selective Soldering Processes

Oct 29, 2009 | Reiner Zoch, Product Manager Christian Ott, Sales and Project Manager SEHO Systems GmbH

The globalization of markets results in stronger competition with clearly noticeably cost pressure. For companies producing electronic equipment it is therefore of existential importance to reduce production costs whilst maintaining a consistently high quality level of the manufactured products. Manual repair soldering that is expensive, time-consuming and cost intensive is already unacceptable due to the required quality and the reproducibility of the whole manufacturing process....

Publisher: SEHO Systems GmbH

SEHO Systems GmbH

The SEHO brand stands for innovative systems for all fields of automated soldering processes, solutions for THT-AOI, customized automation technology and know how. Our customers profit from complete solutions that perfectly match.

Kreuzwertheim,

Manufacturer

Conforming To a Higher Standard of Reliability

Oct 22, 2009 | Phil Kinner

An electronic product's reliability has the potential to make or break its manufacturer and can be life-threatening in many safety critical applications. Conformal coatings have long been used to protect electronic assemblies from their operating environment but can vary hugely in their protective performance. It is the objective of this article to explain in detail why it is important to qualify coating products to the relevant standards and how different coating types affect performance....

Publisher: Chase Electronic Coatings

Chase Electronic Coatings

HumiSeal is manufactured by Chase Electronic Coatings, an operating division of Chase Corporation and produces conformal coatings from all chemistries, including acrylics, urethanes and silicones, both water based and UV curable.

Westwood, Massachusetts, USA

Manufacturer

A Review of Models for Time-to-Failure Due to Metallic Migration Mechanisms

Oct 14, 2009 | Elissa Bumiller and Dr. Craig Hillman

Electrochemical migration (ECM) is defined as the growth of conductive metal filaments across a printed circuit board (PCB) in the presence of an electrolytic solution and a DC voltage bias. ECM, also known as dendritic growth, is a critical issue in the electronics industry because the intermittent failure behavior of ECM is a likely root-cause of the high occurrence of field failures identified as no trouble found (NTF)/could not duplicate (CND)...

Publisher: DfR Solutions (acquired by ANSYS Inc)

DfR Solutions (acquired by ANSYS Inc)

DfR Solutions has world-renowned expertise in applying the science of Reliability Physics to electrical and electronics technologies, and is a leading provider of quality, reliability, and durability (QRD) research and consulting

College Park,

Consultant / Service Provider

Resin Coated Copper Capacitive (RC3) Nanocomposites for System in a Package (SiP): Development of 3-8-3 structure

Oct 08, 2009 | Rabindra N. Das, Konstantinos I. Papathomas, Steven G. Rosser, Tim Antesberger, John M. Lauffer, Mark D. Poliks and Voya R. Markovich.

In the present study, we report novel ferroelectric-epoxy based polymer nanocomposites that have the potential to surpass conventional composites to produce thin film capacitors over large surface areas, having high capacitance density and low loss. Specifically, novel crack resistant and easy to handle Resin Coated Copper Capacitive (RC3) nanocomposites capable of providing bulk decoupling capacitance for a conventional power-power core, or for a three layer Voltage-Ground-Voltage type power core, is described....

Publisher: i3 Electronics

i3 Electronics

A world leader in high-performance PCB fabrication & assembly, semiconductor packaging, systems integration & test, advanced laboratory services and contract R&D.

Endicott, New York, USA

Manufacturer

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