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Gold Wire Bonding Performance and Reliability of ENEPIG Surface Finishes

Test vehicle for Au wire bond testing showing a detailed view on the utilized bond area. The expression "multifunctional PCB", as a synonym for a PCB which is applicable with a variety of assembly techniques, is already established on the market. That means the PCB can be used for multiple reflow soldering and multiple assembly techniques like, Al-wire bonding, Au-wire bonding, conductive adhesives and other interconnection methods. In the mixed COB/SMT assembly, where mainly Al-wire bonding is used, the ENIG Surface finish with Ni thickness of 5-6 µm and Au thickness of 50-100 nm, is a well established surface finish.

Read Article...

Authors:	Kenneth Lee, Mustafa Özkök, Stefan Schmitz
Organization:	Atotech Deutschland GmbH, Fraunhofer IZM

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

Featured New Products

FINEPLACER® femto
FINEPLACER® femto Automated Sub-Micron Bonder
Die Bonder

Fully automated, sub-micron bonding platform for advanced packaging and optoelectronic applications....

Offered by: Finetech

MC684

Pick & Place System

4-Head dual - gantry machine with placement speed of 10,500 cph! Dual smart feeder trolleys »»

Offered by: Manncorp

ProntoPLACE
Unisoft ProntoPLACE SMT, Thru-hole Software
SMT, Thru-hole Software

Any CAD/CAE to any SMT & THT Machine. Programs popular machines... »» Download Trial

Offered By: Unisoft

Featured auction

Xchange Auction

March 30th | Online Auctions | X-Line Asset Management

Quality Surplus Equipment From Various Manufacturers...»»

Visit the Equipment Auctions Calendar...

For Sale Online

PCB Repair Kit

The BEST PCB Repair Kits are designed to meet the quality of original trace, pad, and plated thru-hole assemblies. These kits give you the tools you need for fast repair and modification of lands, traces, contact fingers, SMT pads, plated hole connections, and PCB base board material.

Vitronics MySelective 6748
Wave Solder

CE Exchange

all marketplace listings

Heller 1912 EXL
Reflow Oven

Tekmart International

all marketplace listings

MPM AccuFlex
Screen Printer

PPM

all marketplace listings

Mydata MY9
Pick and Place

IBE

all marketplace listings

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

Forum

Circuit Card Assembly Molding - I have a 2.75" x 1" x 0.027"thick CCA with SOIC16W and QFN56 as well as some 0201's, 0402's and QFN16 Components that are to be enclosed via molding process...

Solder balls on Ceramic - I am having issues with Solder balls on Ceramic devices, all LEAD FREE SOLDER. The ceramics are only 7x5mm in size. The balls appear around the 0402 capacitors...

Stencil Inspection - We inspect incoming stencils to see if they are labelled properly and sometimes check the width of special apertures and that's about it. We want to kick it up a notch...

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

Forum

BGA X-Ray & Optical Inspection Criteria Webinar 14.30GMT

Online Webinar | Mon, April 4 | Sponsored by: ASKbobwillis.com

The workshop covers optical and x-ray inspection of solder joints for both tin/lead and lead-free terminations....

7th International Conference and Exhibition on Ceramic Interconnect and Ceramic Microsystems Technologies

Trade Show/Exhibition, Conference, Tue, April 5 | Sponsored by: IMAPS

The conference will provide a wide spectrum of interests reflected in more than 50 papers in 14 sessions...

IPC APEX EXPO 2011

Trade Show/Exhibition, Conference | Sun, April 10, 2011 - Thu, April 14 | Sponsored by: IPC

Join thousands of colleagues from more than 50 countries at our industry's premier event � featuring advanced and emerging technologies in printed board design and manufacturing, electronics assembly and test...

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

Career Center

Jobs:

SMT Mfg./Process Engineer

Mission, SD, USA

Company: Electronics Assembly Resource Network, Inc.

Process Engineer

Milpitas, CA, USA

Company: Surya Electronics

Process Engineering Manager

Pullman, WA, USA

Company: Schweitzer Engineering Laboratories

More Jobs:

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Resumes:

NPI Project Engineer

Desired Field: Engineering, Research and Development

USA

Electrical Engineer/Physical Chemist

Desired Field: Research and Development

Columbia, MO, USA

Sr. Systems Analyst...

Desired Field: Research and Development, Engineering

Vestal, NY, USA

More Resumes:

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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: 15th Annual Atlanta SMTA EXPO - April 21

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: Advanced Designer Certification Workshop and Exam (CID+) in conjunction with IPC APEX EXPO - April 8-10

SMTnet Express
March 30, 2011

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