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Selective Solder Paste Deposition Reliability Test Results

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Featured Article

Selective Solder Paste Deposition Reliability Test Results


Credit/Source: Bob Wettermann

The rapid assimilation of Ball Grid Array (BGA) and other Area Array Package technology in the electronics industry is due to the fact that this package type allows for a greater I/O count in a smaller area while maintaining a pitch that allows for ease of manufacture. While the original assembly process has proven to be fairly trouble-free, replacement of Area Array package devices after the assembly process can be much more difficult...


Featured Auction

Printed Circuit Board Equipment Exchange #8


Sale Type: Online Auction

Sale Open: 25 July 2007, 12:00 AM (PDT)

Location of Assets: Worldwide



Assets for Sale:

Bid on State-of-the-Art PCB Manufacturing Equipment

Featuring Drilling & Routing, Lamination, Etching, Plating, Expore, Solder Mask, Final Test,plus SMT & Placement, Feeders, Reflow & Convection, Screen Printing and much more.



Stencil Thickness

Posted by Prologic Engineering Inc

We have not processed very much 0402 size components in the past. We are finding that alot of our customers are upgrading their circuits and going with 0402 size parts...»»

Cleaning prototype PCB assemblies and waste water

Posted by BillR

We will be hand soldering a small number of PCBs per week (both through hole and SMT) using a water soluble flux. We will be using both standard leaded and lead free solder... »»

Reflow Profile Design

Posted by Grant

I have been using the profile based on the solder paste specification, however we have been getting a large BGA chip coming more unreliable, and breaking off the board after shipment... »»

Visit the Forum...


18th Design Engineering & Manufacturing Solutions Expo / Conference (DMS)

Trade Show/Exhibition | Reed Exhibitions Japan Ltd.

Wed, June 27, 2007 | Tokyo Big Sight, Japan

Japan's largest trade show and conference focusing on IT solutions for the manufacturing industry... »»

Practical Process Control Training (PID Tuning)

Seminar/Course | Business Industrial Network

Wed, June 27, 2007 | Microsoft Building, Saint Louis, MO, USA

Learn how top companies maintain their competitive advantage by maximizing productivity and minimizing costs - by optimizing and controlling critical processes... »»

Design for Testability and for Built-in Self Test

Seminar/Course | A.T.E. Solutions, Inc.

Mon, June 25, 2007 | Houston Hotel, Houston, TX, USA

This course teaches all aspects of Design for Testability, from what it is, why you might need it, why someone would object to it, and what it can and cannot accomplish... »»

Visit the Event Calendar...

Career Center


Maintenance Technician

Vansco Electronics

Morton, IL, USA

This person will maintain and repair various types of production and development equipment...»»

Production Engineer-ME

Astronautics Corporation of America

Milwaukee, WI, USA

Work with design engineering on the manufacturability of mechanical components in displays and electro-mechanical product lines...»»

Production Engineer-Lean

Astronautics Corporation of America

Milwaukee, WI, USA

Analysis, design, and implementation of new mechanical assembly processes. Create production documentation...»»


Director of Sales Operations

Desired Field: Engineering...

Dallas, TX, USA

Talented and accomplished sales operations executive with proven ability to increase revenues and profitability...»»

Electronics Engineer

Desired Field: Engineering

Tijuana, Mexico

7 years of experience in Manufacturing procesess and New Products Introduction of comercial and military SMT and PTH boards...»»

SMT Engineer

Desired Field: Engineering, Production

Mentor, OH, USA

6 years of experience in electronics. I know how to program, operate, maintain, setup SMT machines...»»

Visit Career Center...

Association Information


SMTA - Surface Mount Technology Association is a non-profit international association of companies and individuals (totalling 4,000) involved in all aspects of advanced electronics assembly, surface mount and related technologies. Membership Info

SMTA Certification for SMT Processes and Six Sigma Green Belt


Next Event: Ohio Valley SMTA Vendor Show


IPC - Association Connecting Electronics Industries is a US-based trade association dedicated to the competitive excellence and financial success of its nearly 2,600 member companies which represent all facets of the electronic interconnection industry, including design, printed wiring board manufacturing and electronics assembly. Membership Info

Standards & Publications

Online Store

Next Event: PCB Laminate Materials and the RoHS Change: IPC-4101 Specification, Bromine Free and Reliability

SMTnet Express
June 22, 2007

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