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Wire Bonding and Soldering on Enepig and Enep Surface Finishes with Pure Pd-Layers

SMTnet Express October 11, 2012, Subscribers: 25550, Members: Companies: 9005, Users: 33789

Technical Library

Wire Bonding and Soldering on Enepig and Enep Surface Finishes with Pure Pd-Layers

First published in the 2012 IPC APEX EXPO technical conference proceedings.

by: Mustafa Özkök, Joe McGurran, Dieter Metzger, Hugh Roberts; Atotech

As a surface finish, electroless nickel / electroless palladium / immersion gold (ENEPIG) has received increased attention for both packaging/IC-substrate and PWB applications. With a lower gold thickness than conventional electroless nickel/immersion gold (ENIG) the ENEPIG finish offers the potential for higher reliability, better performance and reduced cost.

This paper shows the benefits by using a pure palladium Layer in the ENEPIG (Electroless Nickel, Electroless Palladium, Immersion Gold) and ENEP (Electroless Nickel, Electroless Palladium) Surface Finishes in terms of physical properties and in terms of gold wire bonding test results.

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Inline Stencil Printer
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iineo II
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Aqueous Cleaning Solution AQUANOX A4241

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Typhoon - Inline Cleaning / Defluxing System
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SMT / PCB Equipment Auctions

X-Line Electronic Equipment Auctions

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Senior Systems - Oct 15-17

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Electronic Equipment Mart

Takaya APT-8400CJ
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Events Calendar

SMTA International Conference & Exhibition
Oct. 14, Orlando, FL, USA

Low Standoff Cleaning - Free Webinar
Oct. 25, Online

electronica 2012...
Nov. 13-16, Muenchen, Germany

Career Center


Sales Executive for business in Western region

Negotiable | Western Electronics

Applications and Support Engineer - AOI

Richardson, TX, USA | Vi TECHNOLOGY

SMT Programmer/Operator

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Electronic Process Engineer

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SMT Technician

Imus Cavite, Philippines

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: Webinar - Design For Environment (DfE) - November 1


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 HDI Conference: Advancements in Materials, Processes and Applications - October 24-25

Technical Editor - Davef (submit your technical articles)

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

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Capital Equipment Exchange - Used PCB Assembly Equipment

Zestron - cleaning products for the SMT industry

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

Top 10 reasons why you should consider Europlacer SMT equipment

Expert 10.6 Rework Station  - Hybrid or IR and convection

IBE - Used SMT Equipment

Mentor Traceability Turns Electronic Manufacturing Problems into Revenue Solutions

The Mark III Reflow System

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