Electronics Manufacturing Technical Articles

Electronics Manufacturing Technical Articles

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


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620 SMT / PCB Technical Articles

Embedded Instrumentation: The future of advanced design validation, test and debug.

Jun 11, 2008 | ASSET InterTech, Inc.

The necessities that are driving the invention of embedded instrumentation arise from several imperatives. First, the speed and complexity of technology today, starting at the chip level, has escalated geometrically. Chip-to-chip interconnects and input/output (I/O) buses have blown past the gigabits-per-second (Gbps) and are pushing into the five to eight Gbps range. Moreover, the hundreds of millions and billions of gates now present on chips have increased the complexity of devices exceedingly....

Publisher: ASSET InterTech, Inc.

ASSET InterTech, Inc.

ASSET InterTech is the leading supplier of open tools for embedded instrumentation to engineers doing design validation, test and debug.

Richardson, Texas, United States

Inspection

Enterprise-wide Supplier Quality Management: The Big Payoff for Global SPC

Jun 04, 2008 | Zontec Inc.

The convergence of a wide range of global influences is having a profound effect on current-day quality in manufacturing. Today's operational strategies must take into account business cycles, risk-based management, logistics, workflows, outsourcing, regulatory issues, product development, corporate mergers and acquisitions. In this ever-changing economy it is imperative that companies compete more effectively on two fronts: by reducing costs and emphasizing quality....

Publisher: Zontec, Inc.

Zontec, Inc.

SPC software manufacturer. Our software includes such extras as defect tracking, traceability, trend and root cause analysis, overall equipment effectiveness (OEE), rolled throughput yield (RTY), equipment uptime/downtime and supplier quality management in a true real-time production-based system.

Cincinnati, Ohio, United States

Software Manufacturer

Solder Paste Inspection Technologies: 2D-3D Correlation

May 28, 2008 | Rita Mohanty, Vatsal Shah; Speedline Technologies, Paul Haugen, Laura Holte; Cyber Optics Corp.

This paper describes correlation between a true 2D area measurement (e.g. printer) and a height map generated area from a SPI system. In addition, this paper will explore the correlation between area/volume measurements and bridge detection between 2D/3D techniques. The ultimate goal is to arm the process engineers with information that can be used to make decision that will impact defects, cost, throughput and Return On Investment....

Publisher: Speedline Technologies, Inc.

Speedline Technologies, Inc.

Speedline Technologies serves the electronics assembly and semiconductor packaging industries with class-leading equipment, responsive support and unparalleled process knowledge.

Franklin, Massachusetts, United States

Manufacturer of Assembly Equipment, Adhesives/Dispensing, Cleaning, Screen Printing, Soldering

Flux Collection and Self-Clean Technique in Reflow Applications

May 14, 2008 | Speedline Technologies, Inc.

This paper will review some basic past and present flux chemistries that affect flux collection methodology. It will also review some of the most common flux collection methods, self-cleaning techniques, and maintenance goals. And, finally, data will be presented from high volume production testing of an advanced flux management system....

Publisher: Speedline Technologies, Inc.

Speedline Technologies, Inc.

Speedline Technologies serves the electronics assembly and semiconductor packaging industries with class-leading equipment, responsive support and unparalleled process knowledge.

Franklin, Massachusetts, United States

Manufacturer of Assembly Equipment, Adhesives/Dispensing, Cleaning, Screen Printing, Soldering

Printed Circuit Board Tracking with RFID: Speed, Efficiency and Productivity Made Simple.

May 07, 2008 | Chris Cook, Hank Tomarelli.

Tracking goods through manufacturing was originally accomplished with pencil, paper and human input. Barcodes introduced an automated, machine-readable tracking mechanism that streamlined all types of manufacturing. But modern printed circuit board (PCB) assemblies are running into limitations because of barcode labels. And though barcodes and RFID tags will co-exist, the relatively large barcode labels have to find increasingly scarce real estate on high density boards....

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, United States

Manufacturer of Components

The Impact of Reflowing A Pb-free Solder Alloy Using A Tin/Lead Solder Alloy Reflow Profile On Solder Joint Integrity.

Apr 29, 2008 | David Hillman, Matt Wells, Kim Cho

The electronics industry is undergoing a materials evolution due to the pending Restriction of Hazardous Substances (RoHS) European Directive. Printed wiring board laminate suppliers, component fabricators, and printed wiring assembly operations are engaged in a multitude of investigations to determine what leadfree (Pbfree) material choices best fit their needs. The size and complexity of Pbfree implementation insures a transition period in which Pbfree and tin/lead solder finishes will be present on printed wiring assemblies...

Publisher: Rockwell Collins

Rockwell Collins

Rockwell Collins (NYSE: COL) is a pioneer in the development and deployment of innovative communication and aviation electronic solutions for both commercial and government applications.

Cedar Rapids, Iowa, United States

Manufacturer of Assembled PCBs, Other

Design Environment ROI: How Design Teams On A Budget Can Build A Best In Class Design Environment

Apr 22, 2008 | Nolan Johnson

Design workflow is the core to your design team's competitive advantage; it’s the conduit by which you turn your team's expertise and ideas into manufacturable products. And yet, all engineering teams face the challenge of maximizing their productivity within limited financial resources. How can the less-capitalized teams develop a design workflow that competes with the highly-capitalized teams? Simple: open tools....

Publisher: Sunstone Circuits

Sunstone Circuits

Sunstone Circuits offers a family of PCB Services to meet all of your PCB needs from design to delivery! We are trusted innovators in the marketing and manufacture of quickturn PCBs, design-checked boards, and design software.

Mulino, Oregon, United States

Manufacturer of Assembled PCBs

Laser Direct Imaging of Tracks on PCB Covered With Laser Photoresist

Apr 15, 2008 | R. Barbucha, M. Kocik, J. Mizeraczyk , 2, G. Kozioł, and J. Borecki, Polish Academy of Sciences

The increasing demands for miniaturization and better functionality of electronic components and devices have a significant effect on the requirements facing the printed circuit board (PCB) industry. PCB manufactures are driving for producing high density interconnect (HDI) boards at significantly reduced cost and reduced implementation time. The interconnection complexity of the PCB is still growing and today calls for 50/50 μm or 25/25 μm technology are real. Existing technologies are unable to offer acceptable solution. Recently the Laser Direct Imaging (LDI) technology is considered as an answer for these challenges....

Publisher: Unipress - Institute of High Pressure Physics of the Polish Academy of Sciences

Unipress - Institute of High Pressure Physics of the Polish Academy of Sciences

The mission of Unipress is to use high pressure methods for advanced fundamental research and technology development. The main fields: Solid state physics, Optoelectronics, Sintering of nanocrystalline materials...

Warsaw, Poland

Other

Strength of Lead-free BGA Spheres in High Speed Loading

Apr 08, 2008 | Keith Sweatman, Shoichi Suenaga, Tetsuro Nishimura

Concern about the failure of lead-free BGA packages when portable devices such as cell phones are accidentally dropped and a general concern about the resistance of these packages under shock loading has prompted an interest in the impact strength of the soldered BGA connection. This paper reports the results of the measurement of the impact strength of lead-free 0.5±0.01mm diameter BGA spheres on 0.42mm solder mask defined pads on copper/OSP and ENIG substrates using recently developed equipment that can load individual BGA spheres at high strain rates in shear and tension....

Publisher: Nihon Superior Co., Ltd.

Nihon Superior Co., Ltd.

Nihon has been a leader in soldering and brazing since 1966. Nihon manufactures SMT solder joining materials e.g. lead-free solder (SN100C:Sn-Cu-Ni-Ge etc): solder paste, solder spheres, flux cored solder wire, solder bar, etc.

Osaka, Japan

Manufacturer of Assembly Material, Soldering

High Reliability Lead-free Solder SN100C?Sn-0.7Cu-0.05Ni?Ge?

Mar 31, 2008 | Satoshi Mizuta

While the situation varies from country to country, nearly one year after the EU RoHS Directive came into force implementation of lead-free solder is progressing steadily. For lead-free soldering to be considered successful it is not sufficient just to have dealt with the challenges of mass production. It is also necessary to establish that the soldered joints produced are at least as reliable as those made with Sn-37Pb alloy. In this context "reliability" means the length of time in service that the initial functionality of the joint can be maintained. In this paper we will discuss some of the issues involved in solder joint reliability through a comparison of the properties of two alloys that are widely used for lead-free wave soldering, SAC305 (Sn-3.0Ag-0.5Cu) and the Sn, Cu, Ni, Ge alloy SN100C....

Publisher: Nihon Superior Co., Ltd.

Nihon Superior Co., Ltd.

Nihon has been a leader in soldering and brazing since 1966. Nihon manufactures SMT solder joining materials e.g. lead-free solder (SN100C:Sn-Cu-Ni-Ge etc): solder paste, solder spheres, flux cored solder wire, solder bar, etc.

Osaka, Japan

Manufacturer of Assembly Material, Soldering

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