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CHO-FOIL ® & CHO-FAB Tapes continued NOTE: The following table represents actual experimental test data taken according to Chomerics internal test procedures. This data differs from Table 1 due to differences in test methods. Table 4 RELIABILITY DATA Test Test Method CCH CCE CCJ CCK CCD CAD CFT Initial Surface Resistivity (SR) (milliohms)* CHO-TP-57***
LAMINATES & GROUNDING PRODUCTS EMI Shielding Tapes Kit EMI Shielding Tapes Kit Chomerics’ EMI Shielding Tapes Kit is a benchtop box containing six 1 inch x 36 yard (2.54 cm x 32.9 m) rolls of conductive foil and fabric tapes. It is designed to provide a wide range of price, performance and application options in a single, easy-to-use package. The Kit includes copper, aluminum and tin-plated copper CHO-FOIL ® shielding tapes. Their conductive pressure-sensitive adhesive provides very low electrical resistance through the tape, resulting in higher shielding performance than typical metal foil tapes. Both embossed and smooth versions are included. CHO-FAB TM shielding tape, also included in the benchtop kit, consists of a corrosion resistant, nickel-plated fabric with a highly conductive pressure-sensitive adhesive. CHO-FAB tape is lightweight and flexible, which makes it ideal as an EMI shield to wrap over cables. The Chomerics EMI Shielding Tapes Kit provides a convenient resource for EMI measurement trouble-shooting, cable shielding and any other application where onthe-spot solutions are needed. It comes with a pair of 3 inch (7.62 cm) metal blade Fiskars* scissors. * Fiskars, Inc., Wausau, WI. Ordering Procedure To place an order for the EMI Shielding Tapes Kit, contact your local Chomerics distributor and ask for: Chomerics EMI Shielding Tapes Kit Part Number: CHO-EMI-TAPE-BOX For information on how to order individual rolls of the tapes contained in this kit, please refer to the preceding pages. Table 1 Kit Contents CHO-FOIL (CCJ-201) 0.002 in. (0.051 mm) thick, electrical grade, dead-soft aluminum foil with electrically conductive acrylic adhesive 0.0035 in. (0.089 mm) total thickness (excluding release liner) 40 oz./in. (>0.44 kN/m) minimum adhesion CHO-FOIL (CCH-101) 0.0014 in. (0.036 mm) thick, fully annealed copper foil with electrically conductive acrylic adhesive 0.0029 in. (0.074 mm) total thickness (excluding release liner) 40 oz./in. (>0.44 kN/m) minimum adhesion CHO-FOIL (CAD-201) 0.002 in. (0.051 mm) thick, electrical grade, dead-soft aluminum foil with electrically conductive acrylic adhesive on both sides 0.005 in. (0.127 mm) total thickness (excluding release liner) 40 oz./in. (>0.44 kN/m) minimum adhesion CHO-FOIL (CCK-101) 0.0016 in. (0.041 mm) thick, tin-plated copper foil with electrically conductive acrylic adhesive 0.0031 in. (0.079 mm) total thickness (excluding release liner) 40 oz./in. (>0.44 kN/m) minimum adhesion CHO-FOIL (CCE-101) 0.0014 in. (0.036 mm) thick, embossed, fully annealed copper foil with electrically conductive acrylic adhesive 0.004 in. (0.102 mm) total thickness (excluding release liner) 40 oz./in. (>0.44 kN/m) minimum adhesion CHO-FAB (CFT-101) 0.005 in. (0.127 mm) thick, nickel-plated fabric with electrically conductive acrylic adhesive 0.0065 in. (0.165 mm) total thickness (excluding release liner) 40 oz./in. (>0.44 kN/m) minimum adhesion US Headquarters TEL +(1) 781-935-4850 FAX +(1) 781-933-4318 • www.chomerics.com Europe TEL +(44) 1628 404000 FAX +(44) 1628 404090 Asia Pacific TEL +(852) 2 428 8008 FAX +(852) 2 423 8253 South America TEL +(55) 11 3917 1099 FAX +(55) 11 3917 0817 149
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Chomerics is the world’s largest
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Contents COST-EFFECTIVE SOLUTIONS F
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Cost-Effective Solutions for Major
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As Lead Supplier, Chomerics... Prov
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Shielding Solutions for Wireless Co
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SHIELDING SOLUTIONS FOR WIRELESS CO
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Table 2 Table 1 *Copies of CHO-TM-T
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stable platform for direct, high pr
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SHIELDING SOLUTIONS FOR WIRELESS CO
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gaskets will typically save 60% or
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Table 1 TYPICAL PROPERTIES OF CHO-F
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Optimizing the design of Cho-Form S
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Optimizing the design of Cho-Form S
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Conductive Elastomer Gaskets SECTIO
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Material Selection Chomerics’ arr
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Table 2 continued Equipment Materia
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Table 3 continued Test Procedure CH
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Conductive Elastomer Extrusions...
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Bonded gaskets — Similar and diss
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Table 2 EXTRUSION MANUFACTURING GUI
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Standard Extrusion Sizes Table 7 ,,
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Table 8 continued HOLLOW O-STRIPS C
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Table 11 continued Chomerics P/N* M
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C Table 15 A Chomerics P/N MIL P/N:
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19-09-12023-XXXX 19-08-12057-XXXX 1
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19-09-15245-XXXX 19-09-15486-XXXX 1
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19-05-E328-XXXX 19-08-F676-XXXX 19-
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CONDUCTIVE ELASTOMERS Co-Extruded S
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19-18-15351-XXXX 19-18-M391-XXXX 19
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Table 2 STANDARD SHEET STOCK SIZE A
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,,,,,,,,,,,, ,,,,,,,,,,,, ,,,,,,,,,
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,, ,,,,, ,,,,, ,,,, CONDUCTIVE ELAS
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Table 3 continued Chomerics P/N* MI
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CONDUCTIVE ELASTOMERS Waveguide Gas
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Table 2 continued Frequency Range (
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,,,, Table 4 Note: Raised portion w
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temperatures to 125°C, and CHO-SEA
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Jam Nut EMI Seals MIL-C-38999, MIL-
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CONDUCTIVE ELASTOMERS Molded-In-Pla
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Table 1 ELASTOMER SPECIFICATIONS FO
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Load, lb./inch Load, lb./inch 20 10
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Stress Relaxation As important as C
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Heat Aging The primary aging mechan
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CONDUCTIVE ELASTOMERS Part Number I
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19-06-11223-XXXX . . . . . . .Hollo
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SOFT-SHIELD® Low Closure Force, Fo
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LOW CLOSURE FORCE, FOAM CORE EMI GA
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ORDERING INFORMATION Referring to T
Page 97 and 98: Table 6 KNIFE-EDGE STRIPS OTHER SOF
Page 99 and 100: Table 1 TYPICAL PROPERTIES FOR SOFT
Page 101 and 102: LOW CLOSURE FORCE, FOAM CORE EMI GA
Page 103 and 104: LOW CLOSURE FORCE, FOAM CORE EMI GA
Page 105 and 106: Metal EMI Gaskets, Clip-on Gaskets
Page 107 and 108: METAL EMI GASKETS MESH STRIP All M
Page 109 and 110: METAL EMI GASKETS MESH STRIP with
Page 111 and 112: METAL EMI GASKETS SPRINGMESH ® Hig
Page 113 and 114: Fabricated COMBO GASKETS: Select th
Page 115 and 116: METAL EMI GASKETS SHIELDMESH Compr
Page 117 and 118: Table 2 SINGLE EMI/EMP FRAME GASKET
Page 119 and 120: Width Table 2 POLASHEET COMPOSITE G
Page 121 and 122: METAL EMI GASKETS METALASTIC ® & P
Page 123 and 124: METAL EMI GASKETS METALKLIP ® Clip
Page 125 and 126: SHIELDING EFFECTIVENESS Figures 8-1
Page 127 and 128: TWIST SERIES FOLD OVER PART NO. 81-
Page 129 and 130: RIVET & TRACK PITCH .190 (4.83) PAR
Page 131 and 132: METAL EMI GASKETS SPRING-LINE ® St
Page 133 and 134: Conductive Compounds Adhesives Seal
Page 135 and 136: CONDUCTIVE COMPOUNDS CHO-BOND ® Co
Page 137 and 138: Table 1 continued SPECIFICATIONS AN
Page 139 and 140: Silicones and Flexible Polyisobutyl
Page 141 and 142: • CHO-SHIELD 4900 silver-filled a
Page 143 and 144: Engineered Laminates & Grounding Pr
Page 145 and 146: Ordering Procedure CHO-MASK II tape
Page 147: Table 1 Property Test Method Typica
Page 151 and 152: Table 1 SPECIFICATIONS Property Tes
Page 153 and 154: LAMINATES & GROUNDING PRODUCTS CHO-
Page 155 and 156: SPRING-LINE ® “Pick and Stick”
Page 157 and 158: EMI Shielded Vents SECTION CONTENTS
Page 159 and 160: Customization Options • Alternati
Page 161 and 162: EMI SHIELDED VENTS CHO-CELL Shield
Page 163 and 164: Round SHIELD CELL and OMNI CELL Pan
Page 165 and 166: EMI SHIELDED VENTS SLIMVENT Shield
Page 167 and 168: EMI SHIELDED VENTS Common Parts Tab
Page 169 and 170: EMI Shielded Windows & Contrast Enh
Page 171 and 172: Substrate and Surface Treatment Lig
Page 173 and 174: WIN-SHIELD Windows EMI Shielding Pe
Page 175 and 176: Cable Shielding SECTION CONTENTS PA
Page 177 and 178: BEADS ON LEADS Impedance-Frequency
Page 179 and 180: Table 5 continued Dimensions - Inch
Page 181 and 182: FLAT SPLIT CABLE CORE Impedance-Fre
Page 183 and 184: CABLE SHIELDING CHO-DROP ® EMI Abs
Page 185 and 186: Figure 2 Table 2 STRAIGHT LENGTHS i
Page 187 and 188: Connector Boots and Cable Transitio
Page 189 and 190: CABLE SHIELDING CHO-JAC ® Flat Cab
Page 191 and 192: EMI Shielding Theory & Gasket Desig
Page 193 and 194: E i Current on front wall due to re
Page 195 and 196: Figure 7 Magnetic Field Reflection
Page 197 and 198: E = D 2 G ,,,, ,,,, ,,,, ,,,, G D =
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Table II Group Material Groupings*
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Non-Conductive Sealing Gasket Volum
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enclosure, or by using an insert si
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Gasket Mounting Choices Our various
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Actual deflection vs. distance betw
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percentage increase required to sat
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Figure 28d Section B-B from Figure
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Formulas (see definition of terms a
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in the unit price of the gasket. Bo
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Wire Mesh EMI Gasket Selection Guid
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Relative Conductivity: Conductivity
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Global Compliance Testing Page 222
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TEST SERVICES FCC, CSA, CISPR, VCCI
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THERM-A-GAP TM Thermally Conductive
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