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Fix & Prog. Sinewave Oscillators - Frequency Devices

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   Conductive Elastomers

The term elastomer is often used interchangeably with the term rubber, and is preferred when referring to vulcanisates. Elastomer comes from two terms, elastic (describing the ability of a material to return to its original shape when a load is removed) and mer (from polymer, in which poly means many and mer means parts). Each link of the chain is the "-mer" or basic unit that is usually made of carbon, hydrogen, oxygen and/or silicon. To make the chain, many links or "-mers" are hooked or polymerized together. They are amorphous polymers existing above their glass transition temperature, so that considerable segmental motion is possible. At ambient temperatures rubbers are thus relatively soft and deformable. Their primary uses are for seals, adhesives and molded flexible parts.

Elastomers are usually thermosets (requiring vulcanization) but may also be thermoplastic (see thermoplastic elastomer). The long polymer chains cross-link during curing and account for the flexible nature of the material. The molecular structure of elastomers can be imagined as a 'spaghetti and meatball' structure, with the meatballs signifying cross-links.



Bronze Partners
ACT Components Inc
Alpha-Core, Inc.
AME Corp.
Beijing Jones Electronics Co., Ltd.
Chomerics, Division of Parker Hannifin
Cotronics Corp.
Cutcraft, Inc.
Da/Pro Rubber, Inc.
Design Mark Industries
Dow Corning Corp.
Eagle Magnetic Company, Inc.
Eastprint Incorporated
El-Com/Cabletek
Emerson & Cuming
Ercon Inc.
Esterline Advanced Input Systems
Flexfab Molded Products
Fujipoly America Corp.
Furon CHR
Hallmark Technologies
Hunter Components
Laird Technologies
Laird Technologies, Thermal Products Div.
Leader Tech
MAJR Products Corp.
MBK Enterprises Inc
Metex Corporation
Miller Dial Corp.
Paneltec, Inc.
Parker Hannifin Corp.
Parker Hannifin Corp.
Premix Thermoplastics
Rapid Conn Inc
Screenprint/Dow
Sealing Devices Inc
Spirig Advanced Technologies Inc.
Stanley Electric Sales of America
Tech-Etch, Inc.
Techprint Inc.
Tecknit Inc.
The Bergquist Company
Vanguard Products Corporation
Fix & Prog. Sinewave Oscillators - Frequency Devices

 

Books
Conductive Polymers and Plastics: In Industrial Applications (SPE/ PDL Series)
Larry Rupprecht

Excerpt - page 51: "... on such blends loaded with carbon black (CB), especially the conductive CBs. In addition, utilization of ... uncommon. Various publications concerning conductive elastomer/CB compositions reveal fundamental parameters determin- ing their conductivity level, among ..."
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Handbook of Elastomers, Second Edition, (Plastics Engineering)
Anil K. Bhowmick and Howard Stephens

Excerpt - page 216: "... his data for blends of natural rubber with selected synthetic elastomers are depicted in Figure 9. ... some practical importance. In elastomers, conductive or semiconductive properties 2 10 r F- ~ Co 15 ..."
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Corrosion Resistance of Elastomers (Corrosion Technology)
P.E., Philip A. Schweitzer

Excerpt - page 104: "... When silicone or fluorosilicone rubbers are infused with a high-density conductive filler, an electric path is created. These conductive elastomers are used as part of an EMI/RFI/EMP shielding process in ..."
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Use of conductive elastomers in hard back printed circuit switches (SAE) (SAE)
Paul J Blinkilde

Filler-Reinforced Elastomers / Scanning Force Microscopy (Advances in Polymer Science)
B. Cappella, M. Geuss, M. Klüppel, and M. Munz

The Rubber Formulary (Plastics & Elastomers)
Peter A. Ciullo and Norman Hewitt

The Circuit Designer's Companion, Second Edition
Tim Williams

Excerpt - page 282: "... a conductive material such as silver flakes or oriented wires, conductive fabric over foam, or other forms of construction including form-in-place conductive elastomer. Selection of the right gasket depends on mechanical and environmental ..."
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Mechatronics: An Integrated Approach
Clarence W. De Silva

Excerpt - page 580: "... force sensors to sense the distributed force. 2. Use a conductive elastomer as the tactile surface. The change in its resistance as ..."
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EMI Troubleshooting Techniques
Michel Mardiguian

Excerpt - page 238: "... gaskets are flexible strips of beryllium-copper springs, knitted mesh, or conductive elastomer (Figs. 12.15 through 12.18) used to improve /restore shielding effectiveness ..."
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Electronic Packaging and Interconnection Handbook
Charles A. Harper

Excerpt - page 858: "... connections to interior cond uctors Pressure contacts Insulation displacement connectors Conductive elastomers Inserted tubular connectors Gold dot connectors For exterior connection to ..."
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EMC for Product Designers, Third Edition
Tim Williams

Excerpt - page 305: "... the joint to that of the bulk shield material. a) conductive elastomer gaskets - - - - - - - - - ..."
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The Measurement, Instrumentation and Sensors Handbook
John G. Webster

Excerpt - page 578: "... where sensitivity providing semblance to human touch is desired, an elastomer is utilized to mimic the human skin. The elastomer is generally a conductive material whose electrical conductivity changes locally when pressure is applied. ..."
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Instrumentation Reference Book, Third Edition
Walt Boyes

Excerpt - page 941: "... t- wiping contact knitted wire mesh or spriral metal strip non-conductive elastomer Usage of gaskets and finger strip. (a) Conductive elastomer gaskets. ..."
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Handbook of Vacuum Science and Technology
Dorothy Hoffman, Bawa Singh, and III, John H. Thomas

Excerpt - page 680: "... ermally conductive pastes (- /cm' ) ermally conductive elastomer (_21 W/cm'-) w-melting-temperature alloys such as indium and gallium ..."
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The Mechatronics Handbook
Robert H. Bishop

Excerpt - page 8: "... consists of three layers: a protective covering, a sheet of conductive elastomer, and a printed circuit board. The printed circuit board consists ..."
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Biomechanics of the Musculo-Skeletal System, 2nd Edition
Benno M. Nigg and W. Herzog

Excerpt - page 262: "... based on the conductivity principle consist of two layers of conductive material (top and bottom) and ... Resistive sensors rely on conductive elastomers as material between the plates. As a force is applied ..."
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Carbon: Electrochemical and Physicochemical Properties
Kim Kinoshita

Excerpt - page 75: "... as a reliable, quantitative technique for assessing carbon-black dispersions in carbon-elastomer composites. Because carbon-elastomer composites are ... the composite. The resistivity of conductive elastomers that contain different carbon blacks was measured by numerous ..."
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Engineering Electromagnetic Compatibility: Principles, Measurements, Technologies, and Computer Models
W. Prasad Kodali

Excerpt - page 229: "... repeated opening and closing of access doors and panels. >Conductive elastomer: This is a silver-aluminum filled silicone elastomer EMI gasket that ..."
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Electromagnetic Compatibility (Electrical and Computer Engineering)
David Weston

Excerpt - page 340: "... achieved during the outgassing test on the material. For silicone conductive gaskets, some typical values, when ... reasons to use a conductive elastomer type of gasket are: 1. To pressurize the waveguide to ..."
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Multichip Module Technologies And Alternatives: The Basics
Daryl Ann Doane and Paul Franzon

Excerpt - Back Matter: "... C. Moore, et al., "Testing Bare Boards with an Anisotropically Conductive Elastomer," pp. 47-56. H. Yonekura, "Oriented Wire Through Connectors for High ..."
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Medical Instrumentation: Application and Design
John G. Webster

Excerpt - page 591: "... A popular form of electrode consists of strips of silicone elastomer made conductive by loading with carbon particles. One electrode is placed on ..."
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Portable Electronics Product Design & Development : For Cellular Phones, PDAs, Digital Cameras, Personal Electronics and more
Bert Haskell

Excerpt - page 272: "... inner cover Hinge ----- ------------------------- -------- Plastic inner cover Conductive elastomer - - Sw/Processor board M shield - g Battery pack ..."
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Spacecraft Thermal Control Handbook: Fundamental Technologies
David G. Gilmore

Excerpt - Back Matter: "... 781.933.4318 3.55)106 N/m2. Break- down voltage: 4 kV Cho-therm Thermally conductive elastomer 0.25 2 1678 insulators. Electronics, power supplies -60 to Table ..."
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Passive Electronic Component Handbook
Charles A. Harper

Excerpt - page 195: "... design, electrical contact to the electrode is provided by a conductive elastomer portion of an overall enclosing elastomer container capsule having two ..."
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The CRC Handbook of Mechanical Engineering, Second Edition
Frank Kreith and D. Yogi Goswami

Excerpt - page 1955: "... principles of transduction methods are described as follows. Resistive and Conductive Transduction This technique involves measuring the resistance either through or across the thickness of a conductive elastomer. As illustrated in Figure 14.5.1, the measured resistance changes with ..."
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Handbook of Display Technology
Joseph A. Castellano

Excerpt - page 288: "... nontrivial because it must not he allowed to damage the conductive coating. Conductive elastomers tend to be quite practical for this application. The specific ..."
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Sensors and Signal Conditioning, 2nd Edition
Ramón Pallás-Areny and John G. Webster

Excerpt - page 86: "... stress and its direction (rosettes). For tactile sensors in robots, conductive elastomers may form the strain gage. Liquid strain gages can measure ..."
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Pigment Handbook, Properties and Economics, 2nd ed. (Pigment Handbook)
Peter A. Lewis

Excerpt - page 826: "... powders are also used in other plastic-resin systems such as conductive elastomers for gasketing, conductive adhesives, conductive elastomers, fibers, and films where ..."
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Nanoelectronics and Information Technology: Advanced Electronic Materials and Novel Devices
Rainer Waser

Excerpt - page 872: "... Systems Glass plate with reflector arrays Figure 10: Ultrasonic toucliscreen. Conductive elastomer or foam 5 mm Substrate with array of dot and ..."
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Design of Shielded Enclosures
Louis T. Gnecco

Excerpt - page 38: "... try to replace the lid. As shown in Figure 3-28, conductive gaskets come in a wide ... (and most expensive) of all-conductive elastomer gaskets. 3.7.2 Conductive Fabric Gaskets You might wonder why anyone ..."
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Practical RF Handbook (EDN Series for Design Engineers)
Ian Hickman

Excerpt - Back Matter: "... commercially. They include finger strip; wire mesh with or without elastomer core; expanded metal and oriented wire in elastomer and conductive elastomers. Most suppliers provide estimates of screening effectiveness which can ..."
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Manufacturing (Manufacturing Engineering and Materials Processing)
Beno Benhabib

Excerpt - page 443: "... ring type load cells. Strain gages They are fabricated using conductive elastomers such as silicon rubber and polyurethane impregnated with conductive particles/fibers ..."
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Handbook of Electronic Package Design (Mechanical Engineering (Marcell Dekker))
Michael Pecht

Excerpt - page 261: "... be made using solderless interconnects. These include buttons and uniaxial conductive elastomers. Buttons are usually made of copper-silver or beryllium-copper and are ..."
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Sensors in Biomedical Applications
Gabor Harsanyi

Excerpt - page 156: "... Conductive elastomer PC - board A fb;~ AA Ah Ah fr Variable ..."
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Introduction to Nondestructive Testing: A Training Guide
Paul E. Mix

Excerpt - page 316: "... have been developed using piezoelectric, piezoresistive , magnetorestrictive, capacitive, and conductive elastomer materials. In addition to tactile sensors, better proximity and visual ..."
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Mechanical Variables Measurement - Solid, Fluid, and Thermal
John G. Webster

Excerpt - page 62: "... where sensitivity providing semblance to human touch is desired, an elastomer is utilized to mimic the human skin. The elastomer is generally a conductive material whose electrical conductivity changes locally when pressure is applied. ..."
See more references to Conductive Elastomers in this book.
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