Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1984-08-24
1987-05-12
Cannon, James C.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
174 35MS, 174126CP, 252502, 252510, 252511, 252512, 252513, 264104, 264108, 264143, 264148, 264174, 428294, 428372, 428379, 428457, 428922, B32B 1508, C08K 704, H01B 122
Patent
active
046649719
ABSTRACT:
The present invention relates to articles, particularly plate or sheet-like articles made of plastic in which very low contents of fine electrically conductive fibers are uniformly dispersed so as to make the articles conductive. It also relates to specific intermediate plastic products, referred to as grains, threads and granules, and the processes for manufacturing each of these products as well as the final conductive articles. The articles can be used as a suitable shielding against radio-frequency and high-frequency electromagnetic radiation or as antistatic plastic articles.
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"An Experimental Investigation of Conductive Composites as EMI Shields", Group Research Program Report, Nov. 7, 1980, by Bigg et al, Batelle Columbus Laboratories, 505 King Ave., Columbus, Ohio 43201.
Cannon James C.
N.V. Bekaert S.A.
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