E-A-R Engineering Technical White Papers

Our engineers are noise control experts. Our customers probably are not. Because of this, much of our product literature is designed to help customers understand their design problems and work with us to solve them.

Included here are several white papers, tutorials written mostly by our engineers. They cover some of the fundamental energy control principles that we apply every day in customers' product designs.

Click on the title to get more information or for the complete text:

Damping Effect on Shock Response Spectra: 1.0-inch Hard Disk Drives An explanation of how E-A-R's highly damped HDD mounting solutions help migrate potentially damaging shock and vibration energy.	EMail PDF
Damping Effect on Shock Response Spectra: 1.8-inch Hard Disk Drives An explanation of how E-A-R's highly damped HDD mounting solutions help migrate potentially damaging shock and vibration energy.	EMail PDF
Damping Effects on Shock Response Spectra: 2.5-inch Hard Disk Drives An explanation of how E-A-R's highly damped HDD mounting solutions help migrate potentially damaging shock and vibration energy.	EMail PDF
Engineered Solutions To Help Prevent LCD Failures The LCD on a cellular phone, personal digital assistant or other hand-held electronics is probably the component most susceptible to failure if the device is dropped. E-A-R can help design protective measures.	EMail PDF
Isolation Techniques For 2.5-Inch Hard Disk Drives Damped elastomers can provide noise and vibration solutions in miniaturized devices.	EMail PDF
Controlling Structureborne Energy From Air-Moving Devices Small cooling fans remove heat from electronic devices, but they also introduce unwanted vibration and noise. This paper describes some ways to keep things under control.	EMail PDF
Shock Control for Portable Electronics Increased portability means increased exposure to bumps and drops that cause components to collide and LCDs to fracture. Here are tips on how to minimize damage from a shock event.	EMail PDF
Designing for Quiet, Vibration-Free Operation Complex systems can create complex noise and vibration problems. Here's how to design solutions.	EMail PDF
Dynamic Data Predict Response of Elastomeric Isolators Performance data can eliminate guesswork when selecting isolators.	EMail PDF
The Basics of Vibration Isolation Using Elastometric Materials How damped elastomers can be used to reduce transmission of structureborne vibration.	EMail PDF
Understanding Damping Techniques for Noise and Vibration Control A brief tutorial on techniques for controlling structureborne noise.	EMail PDF
Engineers' Notebook: As Two-Piece Isolators, Bushings and Rings Solve Many Assembly Problems Brief article explains how to take advantage of ring-and-bushing isolators.	EMail PDF
Tuned Dampers Improve Stepper Performance Highly damped isolators reduce seek-and-settle time in stepper motor-driven devices.	EMail PDF
The Four-Fold Method of Noise and Vibration Control Concise tutorial outlines the four principal tools for noise and vibration control: damping, isolation, absorption and barrier materials.	EMail PDF
Engineers' Notebook: Getting to the Bottom of Comfort CONFOR ergonomic foam offers high-tech performance properties for seating/cushioning applications.	EMail PDF
Using Specialty Engineered Foams in Seating Design Here are some rules of thumb for specifying CONFOR® ergonomic foam in seats, chairs, cushions and similar designs.	EMail PDF
Proper Performance Data Ease the Task of Specifying Cushioning Materials Information that takes the subjectivity out of choosing a material for shock protection, padding or cushioning.	EMail PDF
Constrained-Layer Systems Provide Weight-Efficient, High- Level Damping Article discusses how to maximize noise- and vibration-control with multi-layer composites.	EMail PDF
Economical, Single-Step Process Produces Urethane Foams Efficient foam-making method nets more consistent product than traditional process.	EMail PDF
Heavy-Duty Noise Control Diesel trucks demand tough soundproofing materials	EMail PDF
Noise Control for Heavy Duty Trucks, a Systems Approach Technical paper prepared for the 2001 Society of Automotive Engineers (SAE) Noise and Vibration Conference. An electronic version may be purchased from SAE, www.sae.org. Or email us for a free printed copy.
Pilot Benchmarking Study of Polyether Foams for Acoustical Applications Technical paper delivered at the 2001 Society of Automotive Engineers (SAE) Noise and Vibration Conference. An electronic version may be purchased from SAE, www.sae.org. Or email us for a free printed copy.