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Controlled Convection Rates

Featured Article

Maximizing process control with controlled convection rates

BTU International

Credit/Source: Rob DiMatteo, Fred Dimock, Pierre LeMieux

Today�s convection ovens are equipped with several key control elements. One is temperature, obviously. Another is belt speed. A third is the gaseous atmosphere used. Convection control is an additional, albeit optional, means of control that directly impacts heat transfer efficiency. The more controls the user has at his disposal, the more means he has to adjust for variations in his process. The more controls an oven can offer, the more overall control, repeatability and increased reliability can be accomplished, leading to improved yields.


Featured Auction

Westell Auction #1 � Modern SMT and Thru Hole Equipment Sale

X-Line Asset Management

Sale Type: Online Auction

Sale Open: Tue, Oct 23, 9:00 PST

Location of Assets: Aurora, IL, USA

Fuji CP6, CP7, and NXT Chipshooters, Speedline Vectra Wave Solder Systems, DEK Horizon Printers, Heller 1912 EXL Reflow Ovens, JOT Conveyors, and More.


Electronic Manufacturing Exchange #66


Sale Type: Online Auction

Sale Open: Wed, Oct. 17, 1:00 AM PDT

Sale Close: Thu, Oct. 18, 6:00 PM PDT

Location of Assets: Worldwide

Electronics Manufacturing Semiconductor, Test & Measurement and PCB Equipment.

Digital oscilloscopes, spectrum, logic and network analyzers, generators, meters, counters, plug-ins, test sets, cards and much more.


Featured Software

CELLS Product & Job Tracking MES


Rich Larue

FREE Trial Download


CELLS Product & Job Tracking MES is an affordable full Manufacturing Process Control Software System for any industry. Lean manufacturing, track product, inventory tracking software, defect tracking software, data collection, document delivery & control and Statistical Process Control (SPC) quality reporting.


Featured Software

Lead Free Gold Cup Wire Insertion


Bob Wettermann

Best Inc

BEST Instructors have put to video demonstrations of common hand soldering skills. These are not designed to be in place of live one on one training where repetitive skills and subsequent one on one feedback is given. Rather they are quick refreshers designed to be viewed if a specific skill has not been practiced in a while.

Watch Video...


PB and PB Free on same screen printer

Posted by Pitbull

What type of error proofing methods are you guys using to prevent operators from using lead paste on a PB free application?...»»

0201 Capacitor reject rate on Fuji CP643

Posted by Sr.Tech

What is the expected reject rate for capacitors on a CP643 machine. I estimate that we are dumping around 1 in 20 on average... »»

Solder paste alloy effect on high frequency board

Posted by omid_juve

We use a no clean solder paste with the sn63pb37 alloy and our high frquency board doesn`t have any problem in test but after this product is finished... »»

Visit the Forum...


Engineering Documentation Control / Product Configuration Management

Seminar/Course | EC3 Corp

Tue, October 16, 2007 | Bradley Ramada Inn, Connecticut, USA

Learn why EDC/CM is a strategic discipline. Set the stage for innovation. Leave with many ideas for real cost reduction... »»

Lead & Lead Free Hand Solder Certification

Seminar/Course | Precision PCB Services, Inc

Mon, October 15, 2007 | Oroville, CA, USA

A one-day class being conducted on a daily basis through the month of October at our Oroville facility. Price is $295.00 per person.... »»

Semiconductor Capacitance Measurement Solutions Webcast

Online Webcast | Agilent Technologies, Inc.

Wed, October 17, 2007 | Online

In these webcasts information will be provide on how to solve measurement challenges, how to optimize cost versus performance... »»

Visit the Event Calendar...

Career Center

Manufacturing Manager - Electronic Assembly

Schweitzer Engineering Laboratories

Pullman, WA, USA

Manage to the goals established for the production plan, work quality and on-time delivery. Be accountable for the organization's quality, performance...»»

Senior Software Support Engineer

Panasonic Factory Automation

Buffalo Grove, IL, USA

By understanding the software and its functions, the ideal candidate will help identify and solve customer problems and provide general 'how to' assistance...»»

Automatic Test Equipment Sales

Lewis & Clark, Inc.

Lake Forest, CA, USA

Experienced Test Sales Person for our West Coast Region. Strong background in Agilent/ Teradyne/ Genrad equipment is necessary...»»

Visit Career Center...

Industry Associations


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: XRF Technology and its Application for RoHS Directives


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: IPCWorks� Asia 2007

SMTnet Express
October 11, 2007

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SMTnet Sponsorship Opportunities

Join the companies below who get their products & services found in front of over 1,000,000 users a year at SMTnet

Best Inc


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CE Exchange



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Heller Industries

IBE SMT Equipment


Lewis & Clark




Nozzle Supply Company

Precision Placement Machines


ROC Exhibitions

Siborg Systems, Inc


SMT Resource Group LLC

Surplus Global


World Equipment Source, LLC

Xline Asset Mgmt

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IPC Certification Training Schedule

ITAR and Biomedical Electronic Manufacturing Facility Late-Model SMT Equipment: DEK, MyData, Heller & Nordson (25+) MyData/Agilis Magazines & (250+) Feeders Wave Soldering, Inspection, X-Ray, AOI & More