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SnCu Based Alloy Design for Lower Copper Dissolution and Better Process Control

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SnCu Based Alloy Design for Lower Copper Dissolution and Better Process Control

Material Concepts for Alternative Alloys

To meet the market demand for a best-in-class, low-cost leadfree alloy for wave, selective and dip soldering

  • SAC305 is the industry standard but higher in cost due to Silver content
  • New material had to have the following attributes:
    • Low cost, Silver free
    • Low drossing, low oxide potential
    • Shiny joints without shrink holes
    • Minimized dissolution of Copper and other metals
    • Low solder maintenance
    • Good wetting behavior on popular lead-free finishes

Credit / Source: Peter Biocca, Senior Engineer, Technical Manager Kester ITW

Submit Your Technical Paper... Read Article...

Featured New Products

MV-7 Series

In-Line AOI Machine

Designed to automatically inspect for manufacturing defects both pre and post reflow... In-line capability for increased throughput... »»

Offered by: Mirtec

USC 400

Stencil Cleaners

Light weight portable stencil cleaner allows stencils to be cleaned without removing the stencil from the printer... »»

Offered by: Manncorp

See us at APEX EXPO, #1885


Gerber Translation Software. Download Trial

Imports raw Gerber data and allows the user to add intelligent information to the shapes on the display...  »»

Offered by: Unisoft

More New Products:

Heller: The Mark III Reflow System...

Juki: FX-1R High-Speed Chip Shooter...

DEK: Galaxy Screen Printer...

2009 IPC Certification

EPTAC Corporation

Let the training begin. New Programs, New Locations and New Products from the leaders in Electronics Certification...  »»

Learn More    See the Schedule


Featured video

Lead Free Gold Cup Preparation (5 min. 28 sec.)


Best, Inc 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...

Equipment mart

Fuji CP742E
Placement System


Agilent SJ 50 SII

Lewis & Clark

Fuji CP-743E


Electrovert Astrapak
Wave Solder


More Equipment Listings:

Component Counters, Counting Scales, Lead Forming Machines, Pallets and Workboard Holders...

NEA: Used Assembly Equipment

Genrad 1796 spare parts

Visit Used Equipment Mart... Post Your Equipment Listing Free...


Dymax vs Humiseal Urethanes.... Anyone?

Posted by jamiew

We need to use a conformal product that will hold up in environmental tests, for southern CA weather specifically. Does anyone have experience with both, which do you prefer?... »»

semi-manual SMT placement

Posted by TommyG

I am looking for a semi-manual system that an operator can use on a 2 meter conveyor to assist in part placement onto printed boards... »»

The course to the standardization in PCB industry

Posted by ZPIVY

The PCB industry is nonstandard which greatly blocked the development of PCB industry. The process of standardization is a job for all PCB people. What's your opinion about it?... »»

More Forum Topics:

VIP98 fault...

Soldering problem with Au plating PCB...

AOI - Algorithms or Comparators...

Visit the Forum... Have a Question? Ask for Free...


electronica & ProductronicaChina 2009

Trade Show/Exhibition | Messe M´┐Żnchen GmbH

Tue, March 17, 2009 | Shanghai New International Expo Centre SNIEC, China

As the leading fair for components in China, electronicaChina provides you with everything that a special fair has to offer. And at the same time, it is more than a special fair... »»

Hands-On PLC Training Workshop

Seminar/Course | Business Industrial Network

Tue, February 24, 2009 | Microsoft Building, Saint Louis, MO, USA

The workshop starts with basics move on to troubleshooting, then learn the foundations of good PLC programming while writing your first IEC-1131 compliant PLC program... »»

SEMI-THERM - Thermal innovations that make the world's technology cool...

Trade Show/Exhibition/Conference | SEMI-THERM

Tue, March 17, 2009 | The Fairmont Hotel, San Jose, CA, USA

Consider the benefits of exhibiting at the premier thermal event of the year! SEMI-THERM has the largest array of exhibits focused on thermal technology... »»

More Events:

Innovating Your Way out of a Recession...

SMT Process Certification - Dallas

Circuit Board & Layout Issues for EMC Compliance...

Visit the Event Calendar... Add Your Event Now...

Career Center


SMT Process Engineer

The Wright Search

Tulsa, OU, USA

Responsibilities: Conceive, develop, document, and implement manufacturing processes for PCB assembly. Creates and maintains process instructions... »»

Sales Manager

Scorto Corporation

Las Vegas, NV, USA

Responsibilities: Give software sales presentations to customers, organizations or conferences. Provide sales forecasts and area summaries ... »»

Manufacturing Representative

Integrated Ideas & Technologies, Inc.

Post Falls, ID, USA

SMT stencil manufacturer looking for manufacturing representatives. Position requires knowledge of, and experience selling, SMT equipment and complimentarty products...»»

More Jobs:


SMT Process Engineer...

Design Engineer...

Post Job Listing for Free...


Self motivated SMT operator

Desired Field: Production, Quality Control ...

North Augusta, SC, USA

I am a skilled smt operator that pays close attention to detail! With my experience in the electronic field for the passed 10 years proving to be an asset... »»

Electronics Supervisor

Desired Field: Management, Production

Woodbury, MN, USA

Over 20 yrs experience in SMT. Worked with medical, industrial, communications, aerospace and automotive electronics. Have experience working in ITAR... »»

Sr. Process & Quality Engineer

Desired Field: Engineering , Quality Control

Houston, TX, USA

Seasoned Process & Quality Engineer. Degreed Chemical Engineer. 20+ years in Electronics Semiconductor manufacturing. Proficient in Quality Statistical tools, Design of Experiments, FMEAs, APQP, PPAP...»»

More Resumes:

Failure Analysis engineer, Advanced process, PhD...

PCB Design Engineer...

SMT Equipment Technician...

Post Your Resume for Free...

Visit Career Center...

Industry Associations Events


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: SMT Processes Certification


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

Training & Certification Programs

Standards & Publications - Online Store

Next Event: IPC/JEDEC Conference: Transitioning to Lead Free - Strategies for Implementation

Call for Participation for IPC APEX EXPO 09

SMTnet Express
February 13, 2009

Subscribers: 27083

SMTnet Members:

Companies: 7416

Users: 25958

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