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   Shields, Tube

Electromagnetic shielding is the process of limiting the flow of electromagnetic fields between two locations, by separating them with a barrier made of conductive material. Typically it is applied to enclosures, separating electrical devices from the 'outside world', and to cables, separating wires from the environment the cable runs through. Electromagnetic shielding used to block radiofrequency electromagnetic radiation is also known as RF shielding.

The shielding can reduce the coupling of radio waves, visible light, electromagnetic fields and electrostatic fields, though not static magnetic fields. (A conductive enclosure used to block electrostatic fields is also known as a Faraday cage.) The amount of reduction depends very much upon the material used, its thickness, and the frequency of the fields of interest.



Bronze Partners
A.L.P. Lighting Components
Ad-Vance Magnetics, Inc.
AllegroSound
Amuneal Manufacturing Corp.
Cinch Connector Inc.
Conductive Container
Dearborn/CDT
Eagle Magnetic Company, Inc.
Magnetic Radiation Laboratories
Magnetic Shield Corp.
Omega Shielding Products, Inc.
The MuShield Company Inc.
Zippertubing Company
Fix & Prog. Sinewave Oscillators - Frequency Devices

 

Books
Microwave Tubes (Artech House Microwave Library)
A. S., Ph.D. Gilmour

Excerpt - page 88: "... et cetera. Normally, a solenoid is surrounded by a magnetic shield, or magnetic bars, as shown ... accidentally be pulled toward the tube being focused by the solenoid, thus causing damage to, or ..."
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The Republic of Love
Carol Shields

Excerpt - page 135: "... nonetheless determined -as he unpacks from a canvas bag a tube of mosquito -135- ..."
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Principles of Traveling Wave Tubes (Artech House Radar Library)
A. S., Ph.D. Gilmour

Excerpt - page 98: "... the temperature is too low). Possible problems are that the tube is gassy (the gas cools the heater assembly) or that a heat shield is touching the heater or cathode assembly and carrying heat ..."
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Plants from Test Tubes: An Introduction to Micropropagation
Lydiane Kyte and John Kleyn

Excerpt - page 116: "... which it came. When inserting the swab into the test tube, break off the portion of ... an angle such that it shields the agar surface from possible contamination during the streaking process ..."
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Collected Stories
Carol Shields

Excerpt - page 65: "... A year ago she stopped the newspapers. When the picture tube went on the TV, she decided it wasn't worth fixing. ..."
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Bending the Law: The Story of the Dalkon Shield Bankruptcy
Richard B. Sobol

Excerpt - page 16: "... products liability cases, to work full time on the Dalkon Shield litigation . The federal court ... one of Mrs. Strempke's fallopian tubes was removed, and she was left sterile. To bolster their ..."
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Power Vacuum Tubes Handbook, Second Edition
Jerry C. Whitaker

Amps!: The Other Half of Rock 'N' Roll
Ritchie Fliegler

Excerpt - page 37: "... show you what people are willing to believe. Marshall output tubes are held in place by ... idea? (Negatively charged preamp tube shields can have a small effect in some circuits. There's not ..."
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Lay Down My Sword and Shield
James Lee Burke

Small Ceremonies
Carol Shields

Enough About You: Adventures in Autobiography
David Shields

Through the Picture Tube
Patrick Grady

Baby Bargains: Secrets to Saving 20% to 50% on Baby Furniture, Equipment, Clothes, Toys, Maternity Wear and Much, Much More!
Denise Fields

Excerpt - page 240: "... also have to buy a kit of the collection bottles, shields, and tubes (this runs about $50 to $60). Prices will vary according ..."
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Handbook of Materials and Techniques for Vacuum Devices (AVS Classics in Vacuum Science and Technology)
Walter Kohl

Excerpt - page 34: "... of longitudinal cracks along the filament leads of a rectifier tube. Electrolysis may also take place ... effect that a grounded tube shield in contact with the glass envelope can have on the ..."
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Keep Your Gear Running: Electronics for Musicians
Patrick L. McKeen

Excerpt - page 85: "... limitations allows us to use them to our best advantage. TUBE PROBLEMS Tubes sometimes become "microphonic." ... tubes, first remove the tube shields or covers, then turn the amp on and let it ..."
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Modern Cable Television Technology, Second Edition (The Morgan Kaufmann Series in Networking)
Walter Ciciora, James Farmer, David Large, and Michael Adams

Excerpt - page 442: "... in Drop Cables Although distribution cables constructed with solid aluminum tube shields offer nearly perfect signal isolation from external fields, drop cables ..."
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Upgrading and Repairing PCs (16th Edition)
Scott Mueller

Excerpt - page 966: "... sound cards. ^ Frequency isolation wall (FIW) noise reduction. This shields the tube circuitry from the normal EFI/RFI interference inside the computer. ^ ..."
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The Modern Girl's Guide to Motherhood
Jane Buckingham

Excerpt - page 99: "... most hospitals (you will need to buy your own breast shields, tubes, and bottles) or, if this is your first child and ..."
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Noise Reduction Techniques in Electronic Systems, 2nd Edition
Henry Ott

Excerpt - page 44: "... the flux (~ due to the current Is, in the shield tube encircles the inner conductor. The inductance of the shield is ..."
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Cadmian's Choice: The Fifth Book of the Corean Chronicles (Corean Chronicles)
L. E. Modesitt

Excerpt - page 107: "... arms in Alustre? He'd suffocated the recorder there with his shields. That wasn't likely to work here. Could he even form a shield in the tube? Dainyl visualized his Talent coating his garments on his left ..."
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Excavation and Grading Handbook
Nick Capachi

Excerpt - page 308: "... through it. You can do this by setting a steel tube into the hole. These tubes or shields have slots cut into the sides to allow them to ..."
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Thunderbird Restoration Guide, 1958-1966 (Motorbooks Workshop)
William Wonder

Excerpt - page 224: "... the 8.0()x14-inch tires and were not available with rear fender shields. Tubes and tube liners arc necessary when using these wheels. Although ..."
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The Nursing Mother's Problem Solver
Claire Martin, Martha Sears, Nancy Funnemark, and William Sears

Excerpt - page 2: "... moms have used a combination of both, threading the supplemental tube through an enlarged hole in the nipple shield. There are some books about adoptive breastfeeding. Go online and ..."
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Radiometry and the Detection of Optical Radiation (Pure & Applied Optics Series)
Robert W. Boyd

Excerpt - page 156: "... 156 PHOTOEMISSIVE DETECTORS Incident radiation Shield Tube envelope 0 = opaque photocathode 1-9 = dynode = electron ..."
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Memories of God and Creation: Remembering from the Subconscious Mind
Shakuntala, M.D. Modi

Excerpt - page 260: "... every universe, extending around their connecting cords to God, creating tubes of Light around them. Put similar protective shields or tubes around each and every galaxy; each and every ..."
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New Fix-It-Yourself Manual: How to Repair, Clean, and Maintain Anything and Everything in and Around Your Home
Reader's Digest editors

Excerpt - page 227: "... holder Fan housing Motor housing Motor pulley Universal motor Belt shield Light tube to belt Unplug vacuum and allow its parts to cool. ..."
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Advanced Aircraft Systems
David A. Lombardo

Excerpt - page 287: "... Brake systems Fig. 9-22. Assembled expander tube brake. Return spring shield Tube shield djuster bolt Adjuster Brake, frame bolt Fig. 9-23. ..."
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Architectural Graphic Standards Student Edition: An Abridgement of the 9th Edition
Charles George Ramsey, Harold Reeve Sleeper, John Ray Jr. Hoke, and Jr., John Ray Hoke

Excerpt - page 386: "... one that contains the arc and an outer one that shields the arc tube from outside drafts and changes m temperature The outer envelope ..."
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The Combat History of German Heavy Anti-Tank Unit 653 in World War II
Karlheinz Munch

Excerpt - page 57: "... not harm- less, pieces of shrapnel enter through the gun tube shield. This caused wounds anuntg the crew. The temperature in the ..."
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Antenna Engineering Handbook
Richard C. Johnson

Excerpt - page 1403: "... UNBALANCED LINE- BALANCED LINE TYPE 9 COILED-CABLE BALUN SHORTING POST SHIELD TUBE UNBALANCED TYPE IOa SPLIT-TUBE BALUN BALANCED LHE -TE RMINALS TYPE ..."
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The Traveler: A Novel
John Twelve Hawks

Excerpt - page 107: "... She reached into the water, slipped the finger into the shield, and quickly removed her hand. ... opened up a second test tube for the shield that went on her right index finger. ..."
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How Buildings Work: The Natural Order of Architecture
Edward Allen and David Swoboda

Excerpt - page 242: "... of the building should be poisoned, and sheet metal termite shields should be installed between the ... have to build their shelter tubes over the shield, where they can be seen, rather than ..."
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National Electrical Code 2002 Handbook (National Fire Protection Association//National Electrical Code Handbook)
NFPA

Excerpt - page 901: "... 660.47 General. (A) High-Voltage Parts. All high-voltage parts, including X-ray tubes, shall be mounted within grounded ... to X-ray tubes, and the shield is required to be grounded, as specified in 660.48. 2002 ..."
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Plant Engineer's Handbook
R. Keith Mobley

Excerpt - page 116: "... 10/116 Lighting Cathode Cathode Glass shield tube Figure 10.4 Typical construction of a fluorescent tube Application Worldwide, ..."
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Construction Principles, Materials, and Methods
H. Leslie Simmons

Excerpt - page 108: "... than one method used in combination: (1) properly installed metal shields that isolate termites from wood or force them to build tubes around the shields, (2) chemically treated soil, which forms a ..."
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Evinrude Johnson Outboard Shop Manual 1.5 to 125 Hp 1956-1972
Ray Joy

Excerpt - page 168: "... line to prevent leakage. 6. Hot air/electric choke-Remove the heat tube shield. Loosen the compression nut located under the plate holding the ..."
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