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Head-in-Pillow BGA Defects
SMTnet - Electronic Industry Hub

Head-in-Pillow BGA Defects.

BGA fracturesHead-in-pillow (HiP), also known as ball-and-socket, is a solder joint defect where the solder paste deposit wets the pad, but does not fully wet the ball. This results in a solder joint with enough of a connection to have electrical integrity, but lacking sufficient mechanical strength. Due to the lack of solder joint strength, these components may fail with very little mechanical or thermal stress. This potentially costly defect is not usually detected in functional testing, and only shows up as a failure in the field after the assembly has been exposed to some physical or thermal stress.

Credit / Source: Karl Seelig | AIM

Read Article...

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Featured auction

Electronics Manufacturing Exchange #117

Online Auction | GoIndustry DoveBid

Beginning Date: Tue, November 10

Location of Assets: USA

Major SMT, PCB Manufacturing and Test & Measurement Equipment featuring Laser & Pick-n-Place Systems, Screen Printers, Reflow Ovens, Environmental & Thermal Chambers, Chip Shooters, Spectrum Analyzers, Digital Oscilloscopes and Much More.

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EZReball Reballing preformsEZReball Reballing preforms.


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Electronic Equipment Mart

Screen Printer

MPM AP 27 Screen Printer


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Speedline Vectra 450/F
Wave Solder

Speedline Vectra 450/F Wave Solder


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Condor (MTS-500)
Flying Probe Test System

Condor (MTS-500) Flying Probe Test System

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all marketplace listings

EVS 3000 & 6000
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EVS 3000 & 6000 Solder Recovery System


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More Equipment Listings:

Camalot 3800 Dispenser

Quad Pro7sc Reflow Oven

Panasonic Various Models

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

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Suggest whether we can place BGA without Bals on PCB after Print | Posted by Martin

BGA Rework. Please suggest whether we can place BGA without Balls on PCB after Printing. I.e without reballing if we mount BGA on PCB after Screen printing ... »»

PLCC LED placement issues| Posted by Craig

We have started using an RGB LED and today ran the first boards down our line. I noticed an immediate issue with placing these. I'm using a quad QSP-2. The part sticks to the nozzle... »»

Gluing Quality Issue | Posted by CooLepse

I'm today looking for adhesive specifications on SMT process (by printing). The Glue printing process is new in my company, and I need info. Do you know specifications about Shear component value with gluing process... »»

More Forum Topics:

Asphalt potting...

Glue on 0402 components...

AOI for solder inspection...

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


productronica 2009 - 18th international trade fair for innovative electronics production

Trade Show/Exhibition | Messe München GmbH

Tue, November 10, 2009 | New Munich Trade Fair Centre, Munich, Germany

With 40,541 trade visitors from 87 countries, 1,477 exhibitors form 35 nations and 110,000m? of exhibition space in 2007, productronica is recognized as the world's leading international trade fair for innovative electronics production... »»

Southeast Design-2-Part Show

Trade Show/Exhibition The Job Shop Company

Wed, November 18 | Carolina First Center, Greenville, SC, USA

America's largest and longest running contract manufacturing shows for the sourcing of custom parts, services and design. Regional tradeshows covering the USA provide OEMs the opportunity to meet local and national job shops ... »»

3rd Annual Symposium on Avoiding, Detecting, and Preventing Counterfeit Electronic Parts

Seminar / Course | CALCE

Wed, December 02 | University of Maryland, College Park, MD, USA

Gather and meet with other industry professionals from all sectors of the market. Collaborate with industry experts and practitioners in interactive and mind opening workshops... »»

More Events:

2009 International Printed Circuit & Electronics Assembly Fair

Thermal Management at the PCB Level

Wisconsin Expo & Tech Forum...

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

Career Center


Manufacturing Technician

Management Recruiters of Plymouth Meeting

Warminster, PA, USA

This person will take the PCB designs from customers and using the Circuit Cam software will produce the PCB... »»

SMT Technicians/Operators

Accu-sembly, Inc.

Duarte, CA, USA

This position requires someone who is able to work in flexible environment and has the ability to work as a team... »»

Quality Assurance / Test Inspectors

Management Recruiters of Plymouth Meeting

Warminster, PA, USA

Inspects electronic systems, assemblies, subassemblies, components, and parts...»»

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SMT Process Engineer...

Design Engineer...

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SMT Maintenance Technicians & Programming.

Desired Field: Engineering, Maintenance

Fredericksburg, VA, USA

I have had more than 15 years experience working with Surface Mount Technology... »»

Manufacturing/Process Engineer

Desired Field: Production, Engineering


High Reliability and Commercial electronics manufacturing experience with Circuit Card Assembly (CCA)... »»

Technical Specialist

Desired Field: Maintenance, Production

Kemaman, Malaysia

Conduct repairs and troubleshooting of production equipment to avoid / minimize production downtime...»»

More Resumes:

Quality Control/Production and Management...

Experienced Engineer...

SMT Equipment Technician...

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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 International | Bookstore

Next Event: South East Asia Technical Conference on Electronics Assembly Technologies - November 18


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: "It's Not Easy Being Green": Complying with Changing Global Environmental Laws - November 9 - 10

SMTnet Express
November 5, 2009

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Go-Dove Electronic Equipment Auctions

Aqueous Technologies Trident Defluxing System


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