Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1997-01-08
1997-11-18
Dang, Khanh
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
342 4, B29C 7310, H01Q 1700
Patent
active
056883480
ABSTRACT:
An EMR-absorbing anechoic chamber absorber (22, 42) uses a block of honeycomb material with a lossy material, such as carbon, applied to the sheets (4) of material from which the honeycomb is made to create wedges (36) or pyramids (44) of lossy material. Preferably, the lossy material is applied to the sheets of material in a repeating wedge-shaped pattern (16) to create the wedges of lossy material within the solid rectangular block of honeycomb material. Parallel, wedge-shaped grooves (43) are formed in the block of honeycomb material to create the pyramids of lossy material. If the lossy material is applied to the entire sheet, a set of parallel, wedge-shaped grooves are formed in the block of honeycomb material to create wedges of lossy material; two sets of parallel, wedge-shaped grooves are formed at 90.degree. angles to one another to create pyramids of lossy material.
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Diaz Rodolfo E.
Miller Michael C.
Squires Mark C.
Anderson Terry J.
Dang Khanh
Hoch Jr. Karl J.
Northrop Grumman Corporation
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