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SMTnet Express, June 19, 2014, Subscribers: 22851, Members: Companies: 13906, Users: 36363

Technical Library

Anisotropic grain growth and crack propagation in eutectic microstructure under cyclic temperature annealing in flip-chip SnPb composite solder joints

Y.C. Liang, H.W. Lin, H.P. Chen, C. Chen, K.N. Tub, Y.S.Lai; National Chiao Tung University, University of California, Advanced Semiconductor Engineering, Inc.

For high-density electronic packaging,the application of flip-chip solder joints has been well received in the microelectronics industry. High-lead(Pb) solders such as Sn5Pb95 are presently granted immunity from the RoHS requirements for their use in high-end flip-chip devices, especially in military applications. In flip-chip technology for consumer electronic products, organic substrates have replaced ceramic substrates due to the demand for less weight and low cost. However, the liquidus temperatures of high-Pb solders are over 300�C which would damage organic substrates during reflow because of the low glass transition temperature. To overcome this difficulty, the composite solder approach was developed...

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Forum search results for related keywords: diffusion, temperature cycling, SnPb, crack propagation.

SMT / PCB Products

TruView - Fully Modular X-Ray System

by: Creative Electron

in: Inspection

KE-Series Placement Machines

by: Juki

in: Pick & Place

ZESTRON® EYE
Monitoring System

by: ZESTRON

in: Cleaning

STRIPFEEDER for loading tape & reel components...

by: Count On Tools

in: Pick & Place

SynTECH™
Solder Paste

by: AMTECH

in: Solder Materials

MS-15 Series
In-Line AOI Machine

by: Mirtec

in: Inspection

ProntoTEST-FIXTURE
Software

by: Unisoft

in: Software

PVA6000 Coating and Dispensing System

by: PVA

in: Dispensing

MAX II High Precision Fluid Dispenser

by: GPD Global

in: Dispensing

Mark5 Series -
Reflow System
The Mark III Reflow System

by: Heller

in: Reflow

iico
Pick & Place System

by: Europlacer

in: Pick & Place

SP700avi
Stencil Printer

SP700avi Inline Stencil Printer

by: Speedprint

in: Printing

SMT / PCB Equipment Auctions

Complete Closure of a Late Model SMT & Thru Hole Facility

June 24 - 25 | by: X-Line Asset Management

Electronic Equipment Mart

Universal Instruments GSCB31 Genesis

Chipshooters

by: X-Line

Agilent SJ50 2 upgraded to series 3

AOI

by: AdoptSMT Europe

Universal Instruments GSM1

Pick and Place Equipmentt

by: CE Exchange

Nutek 25" Inverter...

Conveyors

by: JMW Enterprises

Vitronics XPM2-730

Reflow Ovens

by: IBE SMT Equipment

DEK 248CE

Screen Printing Equipment

by: PPM

Samsung SM-421

Chipshooters

by: Shenzhen ETA

Juki KE750/760/2050/2060

Pick and Place Equipment

by: Shenzhen Tek...

Events Calendar

Solutions for Difficult to Clean Components - Online Webinar

Online | July 24 | ZESTRON Corporation - An overview of various board and component geometries that present cleaning challenges...

Counterfeit Electronic Parts Symposium Tabletop Exhibition

College Park, MD, USA | June 24 | SMTA - Learn about latest technology and policy developments on the area of electronics supply chain and on counterfeit electronics prevention...

Understanding SMT Stencil NanoCoatings and How They Influence the Solder Paste Printing Process

Online Webinar | June 26 | Aculon - This FREE webinar explains stencil nanocoating technology, what to expect from it, and how to measure its performance...

Career Center

Jobs:

Eastern Region Technical Sales Manager

Manchester, NH, USA | Finetech

Direct Outside Sales Representative

Phoenix, AZ, USA | Epec Engineered Technologies

Field Service Engineer

Rowley, MA, USA | MYDATA automation

Resumes:

Asst.Manager Manufacturing &QC

Bangalore, India

SMT Machine Operator

Mesa, AZ, USA

Manufacturing Engineer /Smt programmer

Sullivan, OH, USA

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: SMTA Webtorial: Failure Analysis: Lessons Learned in Manufacturing - July 15 - 22

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: EIPC/IPC Summer Workshop Roadshow - June 20

Technical Editor - Davef (submit your technical articles)

Newsletter Editor - Anna Girouard

SMTnet.com, 98 Elm Street, Portland, Maine 04101 USA, Tel.207-780-0887.

Unsubscribe. | Contact customer service

Used PCB Assembly Equipment - CE Exchange

Aquanox� A8820 water soluble flux cleaner - Kyzen

SMT agents wanted

PCB Equipment Auctions - X-Line

JUKI's machines offer you the Lowest Cost of Ownership in the industry.

Europe's No. 1 source for pre-owned SMT equipment - AdoptSMT

ii-Feed tape feeding solution for Europlacer machines

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

Mark5 SMT Reflow Oven - Heller

SP700avi inline smt screen printer - Speedprint

TruView Prime Portable X-Ray Inspection Machine - Creative Electron

PVA Flexible, Customized Fluid Dispensing Systems

PCB Cleaning products - Zestron

Pre-Owned Quad, MPM Equipment - PPM

3D SMT AOI - Mirtec

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