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FEATURES

• IPC-2152
  Determining Current Carrying Capacity
  Charts from some 50 years ago to predict conductor heat loss and temperature rise finally have been updated. How to use the new standard.
  by Jack Olson
  

• Conductor Resistance
  The Skinny on Skin Effect
  The tendency for a conductor to become a function of frequency impacts its impedance. For those designing controlled impedance traces and transmission lines, this merits consideration.
  by Douglas Brooks, Ph.D.
  

FIRST PERSON

• Caveat Lector
  Productronica productive, foretelling.
  Mike Buetow

• Database
  Designer visibility.
  Pete Waddell

MONEY MATTERS

• ROI
  One size doesn't fit all.
  Peter Bigelow

TECH TALK

• The Defects Database
  Don't let microsectioning destroy the hole.
  Dr. Davide Di Maio, Ph.D.

• Test and Inspection
  OEMs still drive test technology.
  Jun Balangue

• Getting Lean
  'Testing' Lean strategies.
  Chris Munroe

DEPARTMENTS

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FEATURES

NANOTECHNOLOGY
Nanotechnology and Electronics Developments
Is nanotechnology living up to its promises? What is the reality - which products are out there, how do we need to handle them and what are the benefits?
by Alan Rae

ONE ON ONE
'Engineering is No. 1'
In a recent interview, Multek's president, Werner Widmann, explains why he sees value in diversification.
by Mike Buetow

IMPEDANCE CONTROL
Accurate Impedance Control, Part I
How to calculate PCB trace width and differential pair separation, based on the impedance requirement and other parameters.
by Istvan Nagy

DESIGN FOR RELIABILITY
Failure Mechanisms in Lead-Free Laminates
The risks of via failure must be balanced against those of laminate failure, based on material choice, via size and grid, and other factors.
by Kevin Knadle

POINT OF VIEW

Database
Assessing the Mentor-Valor deal.
Pete Waddell

ROI
What are the four fundamental areas every successful business plan should address?
Peter Bigelow

Reliability Report
The stress of x- and y-axis flexing can affect the integrity of internal interconnections.
Paul Reid

Designer's Notebook
As its complexity increases, the challenge of implementing an FPGA on a printed circuit board has become a daunting task.
Per Viklund

DEPARTMENTS

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FEATURES

PCB DESIGN GRID
A Universal PCB Design Grid System
Metric is the key to a gridded system.
by Tom Hausherr

iNEMI ROADMAP
Keeping Connected
Connector technology still grapples with smaller platforms, higher speeds and placement issues.
by John MacWilliams

EMBEDDED MATERIALS
Embedded Passives: Debut in Prime Time
Wherever there is a strong need for improved electrical performance, space reduction, EMI reduction or reliability improvement, utilization of embedded passives will be found.
by Joel S. Peiffer

POINT OF VIEW

Database
Full circle.
Pete Waddell

ROI
Industry forces enable the highest cutting-edge technology but can end up at odds over the day-to-day minutia of business.
Peter Bigelow

Final Finish 101
The best surface finish meets the needs of the board design and the assembly process, while being easy on the wallet.
Jim Kenny

Positive Plating
Surface roughness can originate from a number of sources; imbalances in the organic additives and improper filming of the copper anodes are key contributors.
Michael Carano

Designer's Notebook
Rigid-flex circuits combine the best of both worlds.
Happy Holden

DEPARTMENTS

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