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High Reliability Lead-free Solder SN100C(Sn-0.7Cu-0.05Ni+Ge)

Featured ArticleCall for Papers

High Reliability Lead-free Solder SN100C(Sn-0.7Cu-0.05Ni+Ge)

While the situation varies from country to country, nearly one year after the EU RoHS Directive came into force implementation of lead-free solder is progressing steadily. For lead-free soldering to be considered successful it is not sufficient just to have dealt with the challenges of mass production. It is also necessary to establish that the soldered joints produced are at least as reliable as those made with Sn-37Pb alloy. In this context "reliability" means the length of time in service that the initial functionality of the joint can be maintained.

In this paper we will discuss some of the issues involved in solder joint reliability through a comparison of the properties of two alloys that are widely used for lead-free wave soldering, SAC305 (Sn-3.0Ag-0.5Cu) and the Sn, Cu, Ni, Ge alloy SN100C.

Credit/Source: Satoshi Mizuta,  Nihon Superior Co., Ltd.

Read article...

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BEST, Inc

Featured video

Lead Free SOT23 Installation
(3 min. 11 sec.)

BEST, INC

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.

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Forum

New Feature: you can now upload pictures with your postings. »»

Solder Paste

Posted by SWAG

We have a class 3 SMT build that requires the paste conforms to J-STD-005 RE LO. We have not used a low activity flux in the past... »»

Need a non-static generating adhesive transfer material

Posted by Steve Thomas

I need to seal a wire terminal block to a board for conformal coating purposes. Currently we glue it to a shim and glue the shim to the board... »»

RoHS round 2

Posted by Patrick Bruneel

RoHS 2 Moves Forward (Run For Your Lives!). The �ko-Institut in Norway, tasked by the European Union to expand the materials covered by RoHS... »»

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IPC Printed Circuits Expo, APEX and the Designers Summit

Trade Show/Exhibition, Conference | IPC

Tue, April 1, 2008 | Las Vegas, NV, USA

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Fundamentals of Climatics Testing, ESS, and HALT/HASS...

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AOI Operator...

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Industry Associations Events

SMTA

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

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Next Event: SMTA China East Technical Conference 2008


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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: Overcoming the Reliability Challenge: An IPC Summit

SMTnet Express
April 3, 2008

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