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Manufacturability & Reliability Challenges with Leadless Near Chip Scale (LNCSP) Packages in Pb-Free Processes

Leadless, near chip scale packages (LNCSP) like the quad flat pack no lead (QFN) are the fastest growing package types in the electronics industry today. Early LNCSPs were fairly straightforward components with small overall dimensions, a single outer row of leads and small lead counts. However, there is currently a proliferation of advanced LNCSP package styles that have started to approach BGA packages in terms of both size and number of connections... read article »

Authors: Cheryl Tulkoff, Greg Caswell

Organizations: DfR Solutions, LLC

davef's corner

I was fortunate to be able to attend the SMTAI Exhibition Oct. 18-19, 2011. While I was walking around looking at the booths and talking to the exhibitors, I got this idea that I would report back on things that I found interesting. You know spread the news, since not everyone was there.

Read davef's comments from SMTAI 2011

Featured New Products

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Featured auction

Complete PCB Plant Closure

Thu, November 10 | Online Auction

auction by: GoIndustry DoveBid

Visit the Equipment Auctions Calendar...

For Sale Online

SMT Framed Stencils

offered by: BEST Inc

Electronic Equipment Mart

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

Forum

IPC Land Pattern Guideline - What is the industry standard pad geometry for 0402 components? ...

De-Bug software for Test - Does anyone know of a software that will import a standard gerber, load the layers...

Using SAC 305 Solder - What is the pros and cons for using SAC 305 solder?...

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

Events

New England Design-2-Part Show

Conference | October 19-21 | Marlborough, MA, USA | Sponsored by: Design-2-Part Shows

The region's largest event for engineers and buyers of custom parts, components, design, prototypes and assemblies...

IPC Conference on Reliability: Assembly Process For A Reliable Product

Conference | November 1-2 | Irvine, CA, USA | Sponsored by: IPC

This course is designed for engineers who need to fully comprehend the characteristics of design for reliability (DFR)...

productronica 2011

Conference, Trade Show/Exhibition | November 15-18 | Muenchen, Germany | Sponsored by: Messe M�nchen GmbH

Over 1,200 exhibitors are anticipated to cover more than 830,000 sq. ft. of exhibition space in 7 halls...

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

Career Center

Jobs:

Field Service Technician

Dallas/Plano, TX, USA | MYDATA automation

Surface Mount Technician-2nd Shift

Zeeland, MI, USA | Gentex Corporation

Test Technician

Appleton, WI, USA | Surface Mount Technology Corp.

Resumes:

Electronics Manufacturing

Brookfield, NY, USA

Electronic Supervisor/Manager

Oak Creek, WI , USA

SMT Maint Tech/Process Engineering

Fredericksburg, VA, USA

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 | Bookstore

Next Event: LA/OC Expo & Tech Forum - November 2

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 Conference on Reliability: Assembly Process for a Reliable Product - November 1-2

SMTnet Express
October 27, 2011

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