Design News - April 05, 2004

«2004 Archive Table of Contents

Cover Story

Testing semiconductor wafers requires extreme precision and speed in order to keep quality up and costs down. In the case of test equipment manufacturer Andrew NDT, measuring the thickness of the thin-film metallization layer on wafers also requires exacting motion control. The problem is, what if you don't have any mechanical motion in order to close the loop? President Cuong Le and his engine...

Departments

Calamities
The Case of the Bendable Blade
My View
Hot Dog Cookers, Drink Mixers, & More
Designer's Corner
Drive Mates with Standard Sprockets
Seal Secures High- and Low-Temp Fluids
Steppers Tailored to Applications
Plastic Bearings Dish the Dirt
Expo
Software/Hardware
Fluid Power
Electronics
Motion Control/Power Transmission
Slant
Remember the Process
Innovative Ideas
Graphical Programming Revolutionizes Real-Time
Real-Time Software Reduces Test Aggravation
BMOC
Visual Bender
Ask
Ask the Search Engineer
Flash
New and Notable Product Design
Weblog
Lowdown on Downloads
Gadget Freak
Craig Wasn't a Particularly Well-Grounded Individual

Feature

Scratch the Patch

«2004 Archive Table of Contents

Design News Partner Zones

CAD/CAE Model Clean-Up: Reduce Iterative Cycles
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Light Matters: Systems Level Approach to HBLED illumination applications
Its good practice to apply a systems-level approach to high-brightness LED (HBLED) illumination applications. Minimally, the system includes the optical, thermal and electrical characteristics of the of the HBLED, the lens (if any) which is built-in to its package, secondary optics such as external plastic lenses/reflectors to direct the light as your application requires and power driver electronics. Read More

Design Engineers' Portal for Sensing and Machine Safety
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