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Effect of Reflow Profile on SnPb and SnAgCu Solder Joint Shear Force

Featured Article

Effect of Reflow Profile on SnPb and SnAgCu Solder Joint Shear Force

Heller Industries

Jianbiao Pan1, Brian J. Toleno2, Tzu-Chien Chou1, Wesley J. Dee1, 1California Polytechnic State University, San Luis Obispo, CA 93407 2Henkel Technologies, 15350 Barranca Parkway, Irvine, CA 92618

The increasing awareness of health risk associated with lead (Pb) containing solder alloys has pushed the electronics industry toward lead-free. The legislation ban the use of lead is only one of the driving forces. From the business point of view, the lead-free electronic product (green product) is also a market trend...



APEX/Printed Circuits Expo 2007

At expo for engineers, future of solder reigns


Bob Pool, Times Staff Writer


Lead-free replacements for the alloy used to bond wires on circuit boards attract much attention at the L.A. event.

Enough with the dillydallying. It's time to get the lead out. That seemed to be the rallying cry Wednesday when nearly 10,000 space-age engineers gathered in Los Angeles to talk motherboards, modules and meltdowns as the computer circuit world faces its biggest challenge in its 70-year existence...


Featured Software

CELLS Product & Job Tracking MES


Rich Larue

Download Free Trial

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

Semiconductor Test and Inspection Equipment. together with Complete OLED Display Manufacturing Lines


Sale Type: Online Auction

Sale Closing: 15 March 2007, 18:00 CCT

Location of Assets: Singapore


view equipment | register

Surplus to requirements of Ness Dispay Singapore Pte ltd (In Liquidation)

Assets for Sale:

Complete Lines

This facility was installed in 2004 and is a state of the art, second-generation production line for the production of 1� and 1.5� Organic Light Emitting Diode displays. The capacity of the facility is 1 million displays per month. The sale is broken into 3 distinct lines, Image Line, Evaporation Line and Encapsulation Line

Test and Inspection Equipment

150 lots of test and inspection equipment including; 3D Measurement systems, IVL systems with spectroscopes, High power microscopes, Contact angle measurement scopes, Optical thickness measurement systems, Glass scribers, Bonding systems, Dispense systems, Auto claves, Air particle counters, Life test ovens, Temp and humidity chambers, Desk magnifiers, Vacuum packing machines, DC Power supplies, Multimeters, Digital thermometers, Color analyzers, Hardness testers, Spectroscopes etc.


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


ESD Cutting board/mat

Posted by Rob

We are looking at putting cutting boards into our goods in area - for opening sealed bags to check the contents and to aid in decanting, and would appreciate any relevant input.... ��

Siemens 80 S-20 problem

Posted by Chris

I just had to replace the hard drive in the SC and the MC. I partitiones the MC drive and installed all operating systems. The machine boots up and gets past "software booting", "conversion of machine data", and then hangs on "initializing machine"... ��

Solder flow Ni/Au

Posted by Mark

We are having issue with one of the customer board. This is 10 layer PCB FR4 with black solder mask. Coating Ni/Au. Soldering leadfree. We are using 7 zones air reflow oven (zones top&bottom)... What is the proper thickness of Au layer and Ni?. What if Ni layer is too thick or too thin?... ��

Visit the Forum...


Arizona SMTA Vendor Show and Technical Program

Trade Show/Exhibition | SMTA

Wed, March 14, 2007 | Embassy Suites Hotel, Tempe, AZ, USA

Join us at the Arizona SMTA Vendor Show and Technical Program, a follow-up to the successful 2006 event... ��

Dallas SMTA Vendor Show and Technical Program

Trade Show/Exhibition | SMTA

Wed, March 21, 2007 | Richardson Civic Center, Richardson, TX, USA

Don't miss this cost-effective opportunity to meet key people in the Dallas area! Free attendee registration... ��

7th Annual Houston SMTA Vendor Show and Technical Program

Trade Show/Exhibition | SMTA

Fri, March 23, 2007 | Sam Houston Race Park, Houston, TX, USA

Join us for the 7th annual Houston SMTA Vendor Show, co-located again this year with free technical sessions... ��

Visit the Event Calendar...

Career Center


Quality Manager

Central Semiconductor Corp.

Hauppauge, NY, USA

Overall responsibility for the Quality Department ensuring complete customer satisfaction, maximum efficiency of people and processes...��

Field Service/ Sales Engineer

FocalSpot, Inc.

San Diego, CA, USA

The Service / Sales Engineer provides clients with top-notch technical after-sales support during and after the warranty period...��

Manufacturing Process Engineer

Patton Electronics

Gaithersburg, MD, USA

Position is responsible for all aspects of the production process including: programming, maintaining all production equipment...��


Sr. Manufacturing Engineer

Desired Field: Engineering

Lakewood, CA, USA

Quality conscience, detail oriented, manufacturing engineer, with a hands on approach to overall process improvement and development...��

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

Naples, FL, 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 09, 2007

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