Transmission Properties of Laminated Clogston Type Conductors

Vaage, E. F.

doi:10.1002/j.1538-7305.1953.tb01445.x

Cited by 7 publications

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“…conductor thickness = t1 , conductor magnetic permeability = J.ll , conductor conductivity = gl , insulator thickness = tt, insulator dielectric permittivity = E2, insulator magnetic permeability = J.l2 • Sometimes the properties of all layers of one material will be assumed identical, but at other times, as shown by the context, we shall assume In general, we shall assume /-11 = /-12 = /-10 (2) (3) (4) hecause this seems to he sufficiently general to include most cases of interest.…”

Section: Description Of Resultsmentioning

confidence: 99%

Nonuniformities in Laminated Transmission Lines

Raisbeck¹

1959

Bell System Technical Journal

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Section: Description Of Resultsmentioning

confidence: 99%

Nonuniformities in Laminated Transmission Lines

Raisbeck¹

1959

Bell System Technical Journal

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“…Experimental Clogston designs using polyethylene dielectric had velocities around 38%. Impedance was also lower than for commercial cables of the same outer diameter [53].…”

Section: Laminated Conductorsmentioning

confidence: 64%

Analysis and Application of Transmission Line Conductors

Laney¹

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Skin effect is usually a concern reserved for radio frequency design and for high current conductors used in utility power distribution. Proximity effect between adjacent conductors has traditionally been a concern for the design of magnetic windings and other applications involving wire bundles. The rise in the ubiquity of high speed bit streams and other signals of very wide bandwidth has broadened the range of applicable contexts and increased the need to account for such effects. This is especially true for transmission lines used to interconnect critical signal paths in applications ranging from microelectronic devices to the signal integrity of printed circuit traces and implementation of system cabling. Optimal conductor design is obviously fundamental to transmission line performance. Researchers have paid considerable attention to the topic but the results are scattered throughout the literature. This thesis collected information on extant conductor designs, and the theoretical considerations behind each solution. A detailed analysis of current flow in a conducting half-space was included as a foundation. The conductor types discussed were solid cylindrical, rectangular, ribbonoid, bimetallic, tubular, laminated, litz, and stranded constructions. Discussions of the performance of stranded shields and conductor roughness effects were included for completeness of understanding.

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Zylindrische Oberflächenwellenleitungen

Severin¹

1969

Theorie Der Elektromagnetischen Wellen

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Umsetzungen mit 1-Nitro-2-dimethylamino-athylen, V')A L I~ dem lnstitut f u r Pharmazie und Lehensmittelchemie der Universitat Munchen Die aus Methyl-aryl-ketonen mit I-Nitro-2-dimethylamino-lthylen (2) darstellbaren aci-Nitro-acyl-propene lassen sich zu Nitrobutadienen (3 4 S), Pyrrolen (11 --* 13), Oxazinonen bzw. Chloroximen (14 -+ 15, 16 4 18) und uber 0-Methyl-mi-nitro-Verbindungen zu ungesattigten Oximinoketonen (4 + 6 -+ 5 ) urnsetzen. Aus Aceton und Cyclopentanon sind mit 2 die Bis-mi-nitro-ithyliden-Derivate (24 und 26) darstellbar.Verschiedene CH-acide Verbindungen mit aktivierter Methyl-oder Methylengruppe lassen sich rnit I-Nitro-2-dimethylamino-athylen (2) zu entsprechend substituierter? aci-Nitropropenen umsetzen 2 ) . Diese Reaktion gewinnt fur die praparative Chemie dadurch an lnteresse, darj die Nitro-bzw. acf-Nitro-Gruppe in vielfaltiger Weise weiter umgewandelt werden kann. Schon friiher berichteten wir uber die Unisetzung von Acetophenon rnit 2 zu 4-aci-Nitro-1 -phenyLbuten-(2)-on-( I ) (14)3). Wir haben nunmehr auch acetylierte Heterocyclen sowie einfache aliphatische Ketone in unsere Untersuchungen mit einbezogen.2-Acetyl-furan (la), -thiophen ( l b ) und -pyrrol (1 c) setzen sich rnit aquivalenten Mengen 2 und Alkoholat in Athanol beim Erhitzen rasch zu den Salzen 3 a --c der entsprechenden aci-Nitro-acyl-propene um. Die Strukturen der in guter Ausbeute erhaltenen gelb-bis orangefarbenen Sake ergeben sich jeweils aus den weiteren Umsetzungen 'k/. MitSauren erhalt man die Nitro-bzw. mi-Nitro-ketone 4 a~-~c . Wie bei dem schon friiher aus Acetophenon und 2 dargestellten mi-Nitro-keton 14 hangt es stark vom Losungsmittel ab, o b Form A oder B uberwiegt. In Methanol zeigt 4b ein Absorptionsniaxinium bei 410 m p (log E ~ 3.62). In Methylenchlorid dagegen tritt starke Absorption erst bei wesentlich kurzeren Wellenlangen auf : A,,, 298 mi* (log E y = 3.74). Mit 4ac lassen sich ahnliche Umsetzungen wie rnit 14 durchfuhren. 4 a und 4b liefern mit Diazomethan die 0-Methyl-aci-nitro-Verbindungen 6 a und 6b, kristalline, * JAngaben uber 1R-Banden der hier sowie auch im folgenden besprochenen Verbindungen stehen i m experimentellen Teil. 1) IV. Mitteil.: Th. Severiii und If. J. Biihme, Chem. Ber. 101, 2925 (1968. 2 ) Th. Severin, B. Brick u n d P. Adhikary, Cheni. Ber. 99, 3097 (1966). und vorhergehende J J Th. Severin und B. Briirk, Chem. Rer. 98, 3847 (1965).Mitteilungen.

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Transmission Properties of Laminated Clogston Type Conductors

Cited by 7 publications

References 0 publications

Nonuniformities in Laminated Transmission Lines

Nonuniformities in Laminated Transmission Lines

Analysis and Application of Transmission Line Conductors

Zylindrische Oberflächenwellenleitungen

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