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Dross and the Selective Soldering Process

Dross can clog small nozzles if it gets into the solder flow..Dross and the Selective Soldering Process

In the selective soldering process, dross can be detrimental. Dross (and I use this term to encompass all surface contamination) is created in conjunction with the presence of Oxygen in two different areas of the process, and by separate means. Each must be dealt with differently in order to prevent problems.

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Author:

Alan Cable

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ACE Production Technologies

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BEST, Inc

StikNPeel StencilsStikNPeel Stencils (Qty 10 per bag)

This unique method simplifies the rework process allowing the stencil get in to tight spaces, get higher first pass yields as the paste processing window is much wider than with metal stencils.

These rework one-time-use stencils are ideal for connectors, QFPs, and other areas on the PCB requiring rework. They may be designed with or without a solder paste boarder surrounding the area to be reworked.

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Solder Paste Shelf life extension - Solder Paste users often have the issue of Shelf life expiry condition. Companies including big MNCs, order certain quantities, but due to uncertainty of NPI / NPS and Mass Production schedule... »»

Low cost SMT line - I want to update our SMT production line as I already hace FUJI CP6 and QP242 machines beside GL2 and oven our new product including 60 components 0402 (1mm*0.5mm )... »»

Mirtec programming discussion - Has anyone had any luck programming using the side cameras to inspect for defects on the sides of chip components? We recently had an escape of a damaged chip capacitor that was impossible to see from the top camera... »»

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Dallas Expo & Tech Forum

Conference, Trade Show/Exhibition | Tue, March 01 | Sponsored by: SMTA

The Dallas Expo & Tech Forum features exhibiting companies, networking opportunities, technical presentations, key-note presentation and more.... »»

How to Mitigate the Risk of Counterfeit Electronic Parts

Online Webinar | Fri, Feb. 25 | Sponsored by: IMAPS

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IPC APEX EXPO 2011

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Contract Manufacturing Engineering Manager

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We are seeking candidates for our Engineering Manager position to lead our top-notch, talented team... »»

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Milpitas, CA, USA

Job involves communicating with customers for quality related problems, response/CAR, quality improvement... »»

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Six Sigma Practitioner, Process Engineer

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Senai, Johor, Malaysia

A Six Sigma Green Belt practitioner with 5yrs solid expirience on Surface Mount Technology... »»

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I have experience with computer hardware troubleshooting, repair, and updating...»»

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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 | Bookstore

Next Event: South East Asia Technical Conference on Electronics Assembly Technologies - May 19


IPC

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: Conference: IPC Conference On HDI Technology High Performance: Strategies for the 21st Century - March 1-2


SMTnet Express
February 24, 2011


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