Matches in SemOpenAlex for { <https://semopenalex.org/work/W563730400> ?p ?o ?g. }
Showing items 1 to 79 of
79
with 100 items per page.
- W563730400 abstract "A research and development effort now underway is directed toward satisfying requirements for a new type of relatively inexpensive, lightweight, microwave antenna array and associated circuitry packaged in a thin, flexible sheet that can readily be mounted on a curved or flat rigid or semi-rigid surface. A representative package of this type consists of microwave antenna circuitry embedded in and/or on a multilayer liquid- crystal polymer (LCP) substrate. The circuitry typically includes an array of printed metal microstrip patch antenna elements and their feedlines on one or more of the LCP layer(s). The circuitry can also include such components as electrostatically actuated microelectromechanical systems (MEMS) switches for connecting and disconnecting antenna elements and feedlines. In addition, the circuitry can include switchable phase shifters described below. LCPs were chosen over other flexible substrate materials because they have properties that are especially attractive for high-performance microwave applications. These properties include low permittivity, low loss tangent, low water-absorption coefficient, and low cost. By means of heat treatments, their coefficients of thermal expansion can be tailored to make them more amenable to integration into packages that include other materials. The nature of the flexibility of LCPs is such that large LCP sheets containing antenna arrays can be rolled up, then later easily unrolled and deployed. Figure 1 depicts a prototype three- LCP-layer package containing two four-element, dual-polarization microstrip-patch arrays: one for a frequency of 14 GHz, the other for a frequency of 35 GHz. The 35-GHz patches are embedded on top surface of the middle [15-mil (approx.0.13-mm)-thick] LCP layer; the 14- GHz patches are placed on the top surface of the upper [9-mil (approx. 0.23-mm)-thick] LCP layer. The particular choice of LCP layer thicknesses was made on the basis of extensive analysis of the effects of the thicknesses on cross-polarization levels, bandwidth, and efficiency at each frequency." @default.
- W563730400 created "2016-06-24" @default.
- W563730400 creator A5003803717 @default.
- W563730400 creator A5045293471 @default.
- W563730400 creator A5057538509 @default.
- W563730400 creator A5061250094 @default.
- W563730400 creator A5077330924 @default.
- W563730400 creator A5082880460 @default.
- W563730400 creator A5082930059 @default.
- W563730400 creator A5084257598 @default.
- W563730400 date "2007-01-01" @default.
- W563730400 modified "2023-09-24" @default.
- W563730400 title "Microstrip Antenna Arrays on Multilayer LCP Substrates" @default.
- W563730400 hasPublicationYear "2007" @default.
- W563730400 type Work @default.
- W563730400 sameAs 563730400 @default.
- W563730400 citedByCount "0" @default.
- W563730400 crossrefType "journal-article" @default.
- W563730400 hasAuthorship W563730400A5003803717 @default.
- W563730400 hasAuthorship W563730400A5045293471 @default.
- W563730400 hasAuthorship W563730400A5057538509 @default.
- W563730400 hasAuthorship W563730400A5061250094 @default.
- W563730400 hasAuthorship W563730400A5077330924 @default.
- W563730400 hasAuthorship W563730400A5082880460 @default.
- W563730400 hasAuthorship W563730400A5082930059 @default.
- W563730400 hasAuthorship W563730400A5084257598 @default.
- W563730400 hasConcept C119599485 @default.
- W563730400 hasConcept C123657345 @default.
- W563730400 hasConcept C127413603 @default.
- W563730400 hasConcept C159238334 @default.
- W563730400 hasConcept C170349913 @default.
- W563730400 hasConcept C192562407 @default.
- W563730400 hasConcept C21822782 @default.
- W563730400 hasConcept C24326235 @default.
- W563730400 hasConcept C37977207 @default.
- W563730400 hasConcept C41008148 @default.
- W563730400 hasConcept C44838205 @default.
- W563730400 hasConcept C49040817 @default.
- W563730400 hasConcept C76155785 @default.
- W563730400 hasConceptScore W563730400C119599485 @default.
- W563730400 hasConceptScore W563730400C123657345 @default.
- W563730400 hasConceptScore W563730400C127413603 @default.
- W563730400 hasConceptScore W563730400C159238334 @default.
- W563730400 hasConceptScore W563730400C170349913 @default.
- W563730400 hasConceptScore W563730400C192562407 @default.
- W563730400 hasConceptScore W563730400C21822782 @default.
- W563730400 hasConceptScore W563730400C24326235 @default.
- W563730400 hasConceptScore W563730400C37977207 @default.
- W563730400 hasConceptScore W563730400C41008148 @default.
- W563730400 hasConceptScore W563730400C44838205 @default.
- W563730400 hasConceptScore W563730400C49040817 @default.
- W563730400 hasConceptScore W563730400C76155785 @default.
- W563730400 hasLocation W5637304001 @default.
- W563730400 hasOpenAccess W563730400 @default.
- W563730400 hasPrimaryLocation W5637304001 @default.
- W563730400 hasRelatedWork W1531582940 @default.
- W563730400 hasRelatedWork W1967155206 @default.
- W563730400 hasRelatedWork W1983564964 @default.
- W563730400 hasRelatedWork W1987904378 @default.
- W563730400 hasRelatedWork W1993249976 @default.
- W563730400 hasRelatedWork W2103349501 @default.
- W563730400 hasRelatedWork W2125281857 @default.
- W563730400 hasRelatedWork W2140972248 @default.
- W563730400 hasRelatedWork W2142949639 @default.
- W563730400 hasRelatedWork W2148082690 @default.
- W563730400 hasRelatedWork W2153293515 @default.
- W563730400 hasRelatedWork W2154817586 @default.
- W563730400 hasRelatedWork W2170030744 @default.
- W563730400 hasRelatedWork W2326186191 @default.
- W563730400 hasRelatedWork W2620097749 @default.
- W563730400 hasRelatedWork W2626818420 @default.
- W563730400 hasRelatedWork W2904398206 @default.
- W563730400 hasRelatedWork W3190905793 @default.
- W563730400 hasRelatedWork W1575019623 @default.
- W563730400 hasRelatedWork W2975918097 @default.
- W563730400 isParatext "false" @default.
- W563730400 isRetracted "false" @default.
- W563730400 magId "563730400" @default.
- W563730400 workType "article" @default.