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Lead-Free Rework Process For Chip Scale Packages

Featured Article

Lead-Free Rework Process For Chip Scale Packages

Universal Instruments Corporation

Arun Gowda, K. Srihari, Ph.D. State University of New York, Anthony Primavera, Ph.D. Consortium Manager, Universal Instruments Corporation.

Legislation against the use of lead in electronics has been the driving force behind the use of lead-free solders, surface finishes, and component lead finishes. The major concern in using lead-free solders in the assembly and rework Chip Scale Packages (CSPs) is the relatively high temperatures that the components and the boards experience. Fine-pitch CSPs have very low standoff heights following assembly making inspection and rework of these components more difficult.


Featured Software

CELLS Product & Job Tracking MES


Rich Larue

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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 Auction

Celestica and Siemens VDO


Sale Type: Online Auction

Sale Open: 29 March 2007, 6:00 AM (PDT)

Sale Close: 30 March 2007, 2:00 PM (PDT)

Location of Assets: Worldwide

view equipment | register


Assets for Sale:

Surplus Late Model State-of-the-Art Printed Circuit Board Assembly Equipment from Celestica and Siemens VDO.


Best Video Soldering Tips

Lead-Free (SAC Alloy) Through-Hole Soldering


Bob Wettermann

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.

Read more


SMT Line Changeover Time

Posted by DeP

Trying to find the ideal changeover time on an SMT line with stencil printers, GSM'S, and HSP's? What are other company's getting? What does SMT world consider ideal?... »»

top side remelt?

Posted by Amy

Anyone knows about the top side remelting requirement for wave soldering process? Is there any standard & procedure to follow? What temp can cause the solder for top side to re-melt?... »»

soldering robot

Posted by Mark

I am trying to find out your opinion about using soldering bench top soldering robot to solder THT connectors (diffrent). What is your experinces and what is limitation for this system. We can't use wave soldering machine due to the complexity of board and density... »»

Visit the Forum...


Lead Free Hand Solder & Rework Skills

Seminar/Course | Precision PCB Services, Inc

Mon, April 16, 2007 | Lead Free Hands-On Soldering & Rework, Oroville, CA, USA

This Hands On course explains the differences between lead free and tin-lead solder. Students will be taught to assemble a lead free kit board and then remove the components using a variety of removal techniques... »»

Engineering Documentation Control - Product Configuration Management

Seminar/Course | EC3 Corp

Wed, April 11, 2007 | Hyatt Regency, Atlanta, GA, USA

The seminar follows a product (electronic ignition, front-end loader) through the CM processes. Several exercises are included in order to encourage participation. Emphasis on subjects you choose... »»

International Conference on Soldering and Reliability

Conference, Seminar/Course | SMTA

Tue, April 17, 2007 | Park Plaza Hotel, Toronto, Canada

This event will include one day of workshops (Apr. 17) followed by a two-day technical conference and tabletop exhibition. SMTA will also hold their SMT Processes Certification on Apr. 17-19th... »»

Visit the Event Calendar...

Career Center


Engineering Manager

Exerra, Inc.

Alpharetta, GA, USA

Seeking an engineer, who is able to install, train and support SMT Printers and X-ray inspection systems. Approximately 50% travel within North America...»»

SMT Production Supervisor

Electronic Source Company

Van Nuys, CA, USA

The SMT Supervisor coordinates each day with the Customer Rep the SMT Schedule and Delivery Requirements. Organize personnel for efficient production...»»

Sales Person


Willow Grove, PA, USA

The candidate must have experience with SMT equipment and process as well as communication competency to discuss with potential customers...»»


Process Engineering Technician

Desired Field: Maintenance, Production

Richmond, IN, USA

14 years experience in the electronics manufacturing industry. Knowledgeable in set up, operation and maintenance of SMT machinery...»»

SMT Engineer

Desired Field: Production, Quality Control

Gurgaon, Haryana, India

5 years of high volume manufacturing experience in creating and improving manufacturing processes. Proven track record of getting things done...»»

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. I also know how to operate AOI equipment...»»

Visit Career Center...

SMTnet Express
March 28, 2007

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