1
Elio A Mariani, Raymond McGowan: Cantilevered air-gap type thin film piezoelectric resonator. The United States of America represented by the Secretary of the Army, Michael Zelenka, William H Anderson, Raymond M Saunders, November 10, 1992: US05162691 (114 worldwide citation)

A method and apparatus directed to a thin film piezoelectric resonator deposited on a support layer of dielectric material and being configured in the form of a cantilever structure having a base portion formed on an integrated circuit substrate and having an overhanging beam portion joined at one e ...


2
Elio A Mariani, Raymond C McGowan, James T Stewart: Remote sensing of structural integrity using a surface acoustic wave sensor. The United States of America represented by the Secretary of the Army, Michael Zelenka, John M O Meara, October 13, 1998: US05821425 (46 worldwide citation)

A surface acoustic wave (SAW) sensing device for remotely sensing structu integrity of a physical structure. The sensing device includes a piezoelectric substrate with a notch formed part way in the bottom of the substrate and along the width thereof. The substrate is mounted to a physical structure ...


3
Elio A Mariani, William J Skudera Jr: Surface acoustic wave (SAW) chemical multi-sensor array. The United States of America represented by the Secretary of the Army, Michael Zelenka, William H Anderson, July 5, 1994: US05325704 (42 worldwide citation)

A sensor for chemical vapor detection using a surface acoustic wave (SAW) ray that provides a means for simultaneously detecting several chemical agents. The sensor has a piezoelectric substrate and a bidirectional surface acoustic wave transducer on the substrate. Also on the substrate are several ...


4
Elio A Mariani: Low-cost saw packaging technique. The United States of America represented by the Secretary of the Army, Michael Zelenka, William H Anderson, Robert A Maikis, October 22, 1991: US05059848 (26 worldwide citation)

A low-cost SAW device package comprises a ceramic or glass carrier chip, a SAW device substrate mounted on the carrier chip via a conventional adhesive and a package cover mounted over the SAW device by a glass frit. The glass frit provides a tight vacuum seal for the SAW device so that outside cont ...


5
Raymond C McGowan, Elio A Mariani: Dual-channel flexural acoustic wave chemical sensor. The United States of America represented by the Secretary of the Army, Michael Zelenka, William H Anderson, June 28, 1994: US05323636 (20 worldwide citation)

A dual channel flexural device is fabricated on a gallium arsenide (GaAs) bstrate that includes a pair of elongated active vibrating (GaAs) bars formed in the substrate that serve as acoustic waveguides. One of the bars serves as a reference channel, while the other bar is covered with a chemically ...


6
Elio A Mariani: Passive SAW-ID tags using a chirp transducer. The United States of America represented by the Secretary of the Army, Michael Zelenka, George B Tereschuk, November 21, 1995: US05469170 (19 worldwide citation)

A Passive Surface Acoustic Wave Identification Tag ("SAW-ID tag") device utilizes pulse compression techniques and a large number of coding possibilities for identifying articles at enhanced ranges. The SAW-ID tag device provides a piezoelectric substrate having bus bars, spaced electrode taps betwe ...


7
Elio A Mariani: Unidirectional surface acoustic wave transducer. The United States of America represented by the Secretary of the Army, Michael Zelenka, Wiliam H Anderson, February 22, 1994: US05289073 (14 worldwide citation)

A low-loss, wideband SAW transducer operating on a piezoelectric substrate with a longitudinal axis of propagation. The SAW transducer has a plurality of tapered interdigital electrodes that are mounted on the substrate transverse to the propagation axis. The electrode widths and spacings are consta ...


8
Elio A Mariani, Clinton S Hartmann: Saw transducer with improved bus-bar design. The United States of America represented by the Secretary of the Army, Michael Zelenka, Ann M Knab, March 12, 1991: US04999535 (13 worldwide citation)

A surface acoustic wave (SAW) transducer comprises a piezoelectric substr, a pair of metal bus bars positioned on the substrate parallel to and separated from each other a preselected distance and a plurality of interdigital electrode fingers extending from each of the metal bus bars. A plurality of ...


9
Arthur D Ballato, Elio A Mariani: Transducer isolation in surface acoustic wave processor. The United States of America represented by the Secretary of the Army, Robert P Gibson, Jeremiah G Murray, John W Redman, September 6, 1983: US04403165 (12 worldwide citation)

The invention is an improved manufacturing technique for producing a certain class of Surface Acoustic Wave (SAW) devices, namely those having input and output transducers in close proximity. A much higher manufacturing yield results from eliminating the cutting of a slot in the substrate between in ...


10
Elio A Mariani: SAW dispersive delay device. The United States of America represented by the Secretary of the Army, Sheldon Kanars, John K Mullarney, January 31, 1989: US04801836 (11 worldwide citation)

A SAW dispersive delay device comprises a high-coupling piezoelectric substrate such as lithium niobate, an input and an output metallic transducer deposited on the piezoelectric substrate, and a pair of coextensive metallic reflective arrays deposited on the same substrate and respectively aligned ...