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- Picosecond laser machining (2)
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Articles 1 - 3 of 3
Full-Text Articles in Engineering
Microwave Characterization Of Printable Dielectric Inks Using Additive Manufacturing Methods, Seth York
Microwave Characterization Of Printable Dielectric Inks Using Additive Manufacturing Methods, Seth York
USF Tampa Graduate Theses and Dissertations
Two methods of dielectric characterization are presented that offer quick and cost-effective solutions for screening complex dielectric material properties. Through Direct-Print Additive Manufacturing (DPAM) methods, a dielectric material of choice is dispensed into a capacitor structure and characterized through 1-port s-parameter measurements. The presented methods use fixtures that are modeled and validated through simulation then implemented in practice. Advanced simulations are performed to gain insights which are used to optimize the dielectric characterization performance of the fixtures. Additional investigations are performed which investigate the durability of the fixture and material within by exposing the combination to rough environmental conditions for …
Additively Manufactured On-Package Multipolar Antenna Systems For Harsh Communication Channels, Ramiro A. Ramirez-Hernandez
Additively Manufactured On-Package Multipolar Antenna Systems For Harsh Communication Channels, Ramiro A. Ramirez-Hernandez
USF Tampa Graduate Theses and Dissertations
Four main aspects are studied and explored throughout this dissertation: (1) On-Package Multipolar antenna system design for integration with commercial wireless sensor nodes for machine-to-machine communication applications; (2) Development of a novel MMIC packaging process and subsequent antenna integration for chip-to-chip communication applications, (3) Design and characterization of additively manufactured lumped passive elements for integration with MMIC and hybrid circuits, (4) Design and characterization of antennas for on- and off-metal radio frequency identification (RFID) applications.
This work presents the design of different 3-D printed tripolar antenna systems operating at 2.4 GHz. The antennas are designed for integration with commercial wireless …
Three Dimensional Direct Print Additively Manufactured High-Q Microwave Filters And Embedded Antennas, Derar Fayez Hawatmeh
Three Dimensional Direct Print Additively Manufactured High-Q Microwave Filters And Embedded Antennas, Derar Fayez Hawatmeh
USF Tampa Graduate Theses and Dissertations
The need for miniaturized, and high performance microwave devices has focused significant attention onto new fabrication technologies that can simultaneously achieve high performance and low manufacturing complexity. Additive manufacturing (AM) has proven its capability in fabricating high performance, compact and light weight microwave circuits and antennas, as well as the ability to achieve designs that are complicated to fabricate using other manufacturing approaches. Direct print additive manufacturing (DPAM) is an emerging AM process that combines the fused deposition modeling (FDM) of thermoplastics with micro-dispensing of conductive and insulating pastes. DPAM has the potential to jointly combine high performance and low …