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BGA Process and Product Failures - Causes and Cures, January 29th Webinar by Bob Willis

SMTnet Express, February 19, 2015, Subscribers: 22,404, Members: Companies: 14,224, Users: 37,735

Technical Library

Numerical Study on New Pin Pull Test for Pad Cratering Of PCB

Billy Hu, Jesus Tan - Flextronics

Pad cratering is an important failure mode besides crack of solder joint as it'll pass the regular test but have impact on the long term reliability of the product. A new pin pull test method with solder ball attached and positioning the test board at an angle of 30° is employed to study the strength of pad cratering. This new method clearly reveals the failure mechanism. And a proper way to interpret the finite element analysis (FEA) result is discussed. Impact of pad dimension, width and angle of copper trace on the strength is included. Some findings not included in previous research could help to guide the design for better performance...

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Forum search results for related keywords: pad cratering, solder joint crack, solder balls, failure mode.

SMT / PCB Products

Pick & Place


Apex Booth# 901


GPD Global

Apex Booth# 2913

The Mark III Reflow System



Apex Booth# 2540



Apex Booth# 2515

Pick & Place


Apex Booth# 1211

SP700avi Inline Stencil Printer



Apex Booth# 2833



Apex Booth# 1301



Material Handling/Storage


Apex Booth# 2832

Solder Materials


Apex Booth# 519



Apex Booth# 2333



Apex Booth# 918



Pick & Place

Apex Factory...

Apex Booth# 835



Apex Booth# 2919


ASC International

Apex Booth# 912

SMT / PCB Equipment Auctions

Exchange Auction - Consign Now

March 4 - 5
X-Line Asset Management

Late Model Conformal Coating Systems & Electronic Manufacturing Equipment

Bids Due: April 30

GoIndustry DoveBid

Electronic Equipment Mart

Heller 1707-EXL
Reflow Oven

Reflow Ovens

IBE SMT Equipment

Apex Booth# 2722

Assembleon Topaz
XII Year 2007

Pick and Place Equipment


Apex Booth# 3227

MPM UP2020
Screen Printer

Screen Printing Equipment

JMW Enterprises

Quad Parts, Feeders, Nozzles

Pick and Place Equipment

PPM Parts

Panasonic MSR XL

Chipshooters / Chip Mounters

CE Exchange

Pick and Place Equipment

Pick and Place Equipment

Shenzhen Tek...

Events Calendar

IPC Apex Expo 2015

San Diego, CA, USA | February 22 - 26 | IPC

11th International Conference and Exhibition on Device Packaging

Scottsdale, AZ, USA | March 17 | IMAPS

South East Asia Technical Conference on Electronics Assembly 2015

Penang, Malaysia | April 14 | SMTA

Career Center


Field Service Engineer

Longmont, CO, USA | A-Tek Systems Group LLC

Sales Representative

Albany, NY, USA | YINCAE Advanced Materials, LLC.

Surface Mount Solderer - Coolers

Davenport, IA, USA | Cobham Mission Systems


Service Engineer and Process Engineer

Chennai, Tamil Nadu, India

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: Free Webinar: Plasma Stencil Treatments: A Statistical Evaluation - March 5


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 APEX EXPO Conference & Exhibition 2015 - February 24 - 26

Technical Editor - Davef (submit your technical articles)

Newsletter Editor - Anna Girouard, 98 Elm Street, Portland, Maine 04101 USA, Tel.207-780-0887.

Unsubscribe. | Contact customer service

Used PCB Assembly Equipment - CE Exchange

Late Model Conformal Coating Systems & Electronic Manufacturing Equipment - Goindustry Dovebid

Software for PCB Manufacturing - Unisoft

Custom SMT Equipment Nozzles - Count on Tools

BTU Pyramax high-throughput convection reflow ovens

FSInspection high magnification visual inspection station

PCB Cleaning products - Zestron

ii-Feed tape feeding solution for Europlacer machines

Used SMT Equipment

Fluid Pressure Control - a breakthrough in uniform fluid dispensing - GPD Global

Choose an Oven for Your Reflow Needs

3D SMT AOI - Mirtec

SP700avi inline smt screen printer - Speedprint

Quantum Series In-Line, Large-Format Fluid Dispensing for SMT, PCB, and MEMS - Nordson Asymtek

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