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Challenges of Lead-Free Low Silver Content End Termination Pastes for Inductor Applications

Challenges of Lead-Free Low Silver Content End Termination Pastes for Inductor Applications

The silver end termination plays an important role for multilayer chip inductors. A basic requirement is to achieve excellent electrical properties with superior adhesion to the chip. Driven by the increasing price of silver, interest has been shown to lower the silver content in the pastes used for terminating chip inductors. However, when decreasing the silver content, conductivity and other properties could be compromised. The challenge is to develop a lower silver content end termination paste while maintaining comparable properties for conductivity, rheology, plateability, solderability, and adhesion.

Read Article...

Author:

Dong Zhang, Meg Tredinnick, Mark Challingsworth

Organizations:

Heraeus

Visit the Technical Library... Submit Your Technical Paper...

Featured New Products

Pyramax

Pyramax Reflow Oven

Reflow Oven

Family of high-throughput thermal processing systems. BTU's exclusive closed loop convection control provides precise heating and cooling... »»

Offered by: BTU International Get Your Power Membership

BR810

BR810 SMT Rework Station

SMT Rework Station

Split-vision zoom optics simultaneously display superimposed real-time images of board pads and component leads, which are perfectly aligned... »»

Offered by: Manncorp Get Your Power Membership

ProntoAOI

AOI Software

Used to quickly program AOI machines and X-RAY equipment. Programs most popular machines... »»

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Offered by: Unisoft Get Your Power Membership

More New Products:

Minami: MK-BP2000 Ball Placer...

KIC: MVP Profile Fixture...

Polyonics: THERMOGARD® PCB Label Materials...

Featured auction

GoIndustry DoveBid Electronic Equipment Auctions

Online Auction | GoIndustry DoveBid

Electronic Manufacturing Exchange #132

August 25 | Location of Assets: USA

Hundreds of Pieces of Manufacturing and Test Equipment...»»

X-Line Electronic Equipment Auctions

Online Auction | X-Line Asset Management

Celestica

August 25 | Location of Assets: China

Surplus Assets From Song Shan Lake, China...  »»

Visit the Equipment Auctions Calendar...

For Sale Online

IPC A-610E Acceptability of Electronic Assemblies

IPC A-610E Acceptability of Electronic Assemblies

A must for all quality assurance and assembly departments, IPC-A-610E illustrates industry-accepted workmanship criteria for electronics assemblies through full-color photographs and illustrations.

The topics include component orientation and soldering criteria for through-hole, SMT and discrete wiring assemblies, mechanical assembly, cleaning, marking, coating, and laminate requirements.

BEST, Inc

Electronic Equipment Mart

Camalot XYFLEX Pro
Adhesive Dispenser

Speedline Camalot XYFLEX Pro

X-Line Become a Power Trader

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PCB Depaneling Equipment
All Models

PCB Depaneling

PPM Become a Power Trader

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Vitronics 6723CC
Wave Solder

Vitronics 6723CC Wave Solder

Recon Become a Power Trader

all marketplace listings

Quad/Tyco QSPII
Pick and Place

Quad/ Tyco QSPII

Lewis and Clark Become a Power Trader

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More Equipment Listings:

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

Heller 1500W Reflow Oven

Aqueous Technologies Sonic One Stencil Cleaner

Speedline UP2000NT Screen Printer

Forum

Flex Circuits - Bend proximity spec | Posted by muarty

Is there a specification in relation to the proximity to features that a Flex circuit should or should not be bent? I am experiencing broken tracks on some flexible circuits which appear to be getting 'flexed'... »»

Automatic Board Support Systems | Posted by A Very Frazzled Man

I thought I'd try and get a modern take on the Grid Lok, Gel Flex, and Vacunest Board Support Systems. Who is using what, and do You like it? ... »»

Board warpage after wave soldering | Posted by Jacki

Is it usual if the board has warpage on both sides after wave soldering? And, if it is, please advise me how to solve it... »»

Forum

BGA X-Ray and Optical Inspection Criteria

Online Webinar: | Mon, August 23 | Sponsored by: ASKbobwillis.com

The workshop covers optical and x-ray inspection of solder joints for both tin/lead and lead-free terminations. It includes an introduction to the lead-free assembly process with specific attention to BGA and area array devices... »»

IPC A610 - Moving from Rev. "D" to Rev. "E" How Will it Impact Me?

Online Webinar | Wed, August 25 | Sponsored by: BEST Inc

BEST is offering a 45 minute webinar, held over the lunchtime hour, which will discuss the numerous significant changes instituted in the recent revision "E" of the IPC-A-610... »»

Wisconsin/Great Lakes Expo & Tech Forum

Trade Show/Exhibition | Tue, August 24 | Sponsored by: SMTA

The Wisconsin and Great Lakes SMTA Chapters invite you to their upcoming event, featuring exhibiting companies, networking opportunities, technical presentations... »»

Career Center

Jobs:

Outside Sales Representative

Murray A. Percival Co

Auburn Hills, UK

Increase sales of Electronic Assembly Equipment and related process material�s... »»

Engineering Sales

UTZ TECHNOLOGY

Little Falls, NJ, USA

We are looking to add a sales person to our east coast facility.... »»

SMT Programmer

Triad Electronic Technologies

Phoenix, AZ, USA

Individual will create new and modify existing surface mount technology programs to be utilized for PCB assembly... »»

More Jobs:

SMT Lead...

CCA Manufacturing Engineer (SMT Specialty)...

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Resumes:

Technician / Mechanic / Field Service

Desired Field: Engineering, Maintenance

Manchester, NH, USA

Repair and calibrations of customers SMT (Surface Mount Technology) hi-speed automated equipment... »»

Quality Control Manager

Desired Field: Quality Control

Bangalore, India

To set procedures, production flow and work instruction for smooth production... »»

SMT Engineer

Desired Field: Engineering

Calamba City, Philippines

Electronic Manufacturing Services Process Engineer. Knowledge of Manufacturing Process...»»

More Resumes:

SMT Production/Maintenance Technician...

Proven Sales and Management Professional...

Experienced Technical Specialist...

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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: Wisconsin/Great Lakes Expo & Tech Forum - August 24


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: Online Webinar: Effects of Moisture Content on Permittivity and Loss Tangent of Printed Circuit Board Materials - August 18


SMTnet Express
August 12, 2010

Subscribers: 25676


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Users: 29795

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Unisoft Software for SMT Placement

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