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SMTnet Express March 28, 2013, Subscribers: 26288, Members: Companies: 13327, Users: 34493

Technical Library

A Designed Experiment for the Influence of Copper Foils on Impedance, DC Line Resistance and Insertion Loss

by: Alexander Ippich; Multek

For the last couple of years, the main concerns regarding the electrical performance of blank PCB boards were impedance and ohmic resistance. Just recently, the need to reduce insertion loss came up in discussions with blank board customers (...)

The paper describes the test vehicle and the testing methodology and discusses in detail the electrical performance characteristics. The influence of the independent variables on the performance characteristics is presented. Finally the thermal reliability of the boards built applying different copper foils and oxide replacements was investigated.

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

read article »

Forum search results for related keywords: high speed, electrical performance, impedance

All About Business at IPC APEX EXPO in San Diego

From insights into revolutionary advancements that the electronics manufacturing industry will help drive to solutions to today's manufacturing challenges, IPC APEX EXPO® 2013 provided the information, exchange and connections that helped 4,568 attendees from 42 countries prepare for the future. 425 exhibitors encompassing 130,340 sq. ft. of show floor space welcomed a busy three days of qualified leads, business development and sales. IPC APEX EXPO attracted 8,598 total visitors including attendees and exhibitor personnel.

read full press release »

SMT / PCB Products

Aqueous Cleaning... AQUANOX A4241

Effective on the toughest soils...

by: Kyzen

S-930N Selective Flux Jetting Dispenser
S-930N Series Selective Flux Jetting Dispensers

High-speed jetting of thin film coatings...

by: Asymtek

Stencil Wipes

The best in class stencil treatment technology...

by: Aculon

Rework System
EXPERT 10.6 Automated Rework System

Combines IR radiation with convection...

by: Martin GmbH

XPii II Pick & Place System
XPii II Pick & Place

Modular compact footprint...

by: Europlacer

Stencil Printer
SP700avi Inline Stencil Printer

Utilising the most advanced drive...

by: Speedprint

EXCEN High Speed
Modular Mounter
EXCEN High Speed Modular Mounter

World's highest area productivity...


Mark5 Series -
Reflow System
The Mark III Reflow System

Up to 40% reduction in nitrogen consumption...

by: Heller

SMT / PCB Equipment Auctions

X-Line - SMT Equipment Auctions

Surplus SMT and Process Equipment to Ongoing Operations

April 15 - 16 | auction by: X-Line Asset Management

Electronic Equipment Mart

DEK Galaxy
Screen Printer
DEK Galaxy Screen Printer

IBE SMT Equipment

all marketplace listings

Heller 1700EXL
Reflow Oven
Heller 1700EXL Reflow Oven


all marketplace listings

Electrovert Aquajet
Stencil Cleaner
Electrovert Aquajet Stencil Cleaner

JMW Enterprises

all marketplace listings

Air-Vac DRS24C
Rework Station
Air-Vac DRS24C Rework Station


all marketplace listings

Events Calendar

Electronics New England
April 10 - 11

Southeast Design-2-Part Show
April 3 - 4

Career Center


SMT Operator and other openings

Lincoln, AR, USA | Electronic Manufacturing Solutions

SMT Technician-Engineer


Manufacturing Engineering Manager

Dayton, OH, USA | Projects Unlimited Inc


SMT Production Engineer

Muzzaffarnagar, India

Field Service Engineer

Tucson, Arizona Texas, Florida, Georgia, Alabama, USA

12 Years experience in Equipment, Manufacturing and Technical Support

Open to be relocated

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: Webtorial: Improving SMT Stencil Printing Yields - April 11 & 18


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/FED Conference on Embedded Components - June 4 - 5

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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Used PCB Assembly Equipment - CE Exchange

Software for PCB Manufacturing - Unisoft

PCB Cleaning products - Zestron

NPI Software - Mentor

SMT Solder Products - Amtech

Used SMT Equipment - IBE

Mark5 SMT Reflow Oven - Heller

ii-Feed tape feeding solution for Europlacer machines

PCB Fluxophobic Stencil Treatment - Aculon

NextJet Fluid Dispensing - Asymtek

PCB Equipment Auctions - X-Line

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fluid dispensing pumps for integration

Voidless Reflow Soldering