Joseph A Callerame

7551715, Jun 23, 2009

Oct 23, 2006

11/551991

Peter Rothschild - Boston MA, US
Jeffrey Schubert - Somerville MA, US
William J. Baukus - Nashua NH, US
Richard Schueller - Chelmsford MA, US
Joseph Callerame - Waltham MA, US
William Randall Cason - Tewksbury MA, US

American Science and Engineering, Inc. - Billerica MA

G01N 23/04

378 57, 378198

Systems and methods for inspecting an object with a scanned beam of penetrating radiation are disclosed. Scattered radiation from the beam is detected, in either the backward or forward direction. Characteristic values of the backscattered radiation are compared to expected reference values to characterize the object. Additionally, penetrating radiation transmitted through the inspected object may be combined with scatter information. In certain embodiments, the inspected field of view is less than 0. 1 steradians, and the detector is separate from the source of penetrating radiation and is disposed, with respect to the object, such as to subtend greater than 0. 5 steradians in the field of view of the object.

20020031202, Mar 14, 2002

Jun 6, 2001

09/875793

Joseph Callerame - Lexington MA, US
William Adams - Powell OH, US
Lee Grodzins - Lexington MA, US

G01N023/04

378/057000, 378/149000, 378/086000, 378/002000

A system and method for inspecting an object with transmitted and/or scattered penetrating radiation using either a fan beam or multiple pencil beams while maintaining resolution comparable to that achievable using a single scannable pencil beam. The system and method provide for spatial resolution of transmitted radiation using a fan beam or multiple pencil beams and a nonsegmented detector.

20060245547, Nov 2, 2006

Mar 21, 2006

11/386033

Joseph Callerame - Waltham MA, US
Richard Mastronardi - Medfield MA, US

G01N 23/201
G21K 1/04

378160000, 378087000

An inspection system based on penetrating radiation provides an option to significantly narrow the field of view of a scan. First and second primary limiting apertures are provided for interposition between a source of penetrating radiation and an inspected object. This allows for significantly increasing the flux of penetrating radiation on this narrowed region of interest, thereby advantageously improving detectability. Alternatively or in addition, an operator can use the higher flux to increase the distance from which an object can be imaged. Embodiments include both scatter and transmission systems that employ a pencil beam.

20060245548, Nov 2, 2006

Apr 21, 2006

11/409513

Joseph Callerame - Waltham MA, US
William Sapp - Melrose MA, US
Jeffrey Schubert - Somerville MA, US
Richard Schueller - Chelmsford MA, US

G01N 23/04
G01N 23/201
G21K 1/04

378160000, 378087000, 378057000

Apparatus and methods that permit an operator of a backscatter x-ray system to shine a search light on a closed container or vehicle, and then image the contents of that container in a region roughly corresponding to the area of the container covered by the search light. A display near the operator presents the backscatter image of the container contents.

20130208857, Aug 15, 2013

Feb 4, 2013

13/758189

AMERICAN SCIENCE AND ENGINEERING, INC. - , US
Joseph Callerame - Lexington MA, US
Dan-Cristian Dinca - Chelmsford MA, US
Rajen Sud - Burlington MA, US
Lee Grodzins - Lexington MA, US
Martin Rommel - Lexington MA, US
Peter Rothschild - Newton MA, US
Jeffrey Schubert - Somerville MA, US

AMERICAN SCIENCE AND ENGINEERING, INC. - Billerica MA

G01T 1/20
G01N 23/20
G01N 23/06

378 57, 250368, 250367, 250394, 378 86

A detector and methods for inspecting material on the basis of scintillator coupled by wavelength-shifting optical fiber to one or more photo-detectors, with a temporal integration of the photo-detector signal. An unpixelated volume of scintillation medium converts energy of incident penetrating radiation into scintillation light which is extracted from a scintillation light extraction region by a plurality of optical waveguides. This geometry provides for efficient and compact detectors, enabling hitherto unattainable geometries for backscatter detection and for energy discrimination of incident radiation. Additional energy-resolving transmission configurations are enabled as are skew- and misalignment compensation.

48952907, Jan 23, 1990

Mar 3, 1986

6/837326

Clarence J. Dunnrowicz - Los Angeles CA
Joseph Callerame - Lexington MA

Raytheon Company - Lexington MA

B23K 2024
H01L 4122

228116

An ultrasonic transducer and its method of fabrication wherein bonding between an impedance matching layer on one side of a piezoelectric layer and a support layer on the other side of the piezoelectric material is made by providing onto each material a smooth, thin gold film on the smooth surfaces of the layers which are to be in contact with one another in the assembled transducer. The layers are bonded to each other by the gold films under moderate temperature and pressure to form the transducer. Sawing of the impedance matching and piezoelectric layers into a plurality of parallel transducers attached to the support layer forms an array.

43161154, Feb 16, 1982

Dec 3, 1979

6/099438

David T. Wilson - Billerica MA
Roger H. Tancrell - Cambridge MA
Joseph Callerame - Lexington MA

Raytheon Company - Lexington MA

H01L 4108

310327

A probe detects sonic energy in liquids and in materials containing liquids such as the flesh of living beings, the probe being particularly adapted for medical ultrasonics. The probe is constructed of materials having acoustic impedances substantially equal to that of water to maximize the transfer of sonic energy in a living being to an electric signal within the probe for accurate detection of high frequency pulses having a duration less than a microsecond. A piezoelectric polymer serves as the transducer and is mounted at the end of the probe housing between a thin metallic window which serves as one electrode, and a metallized rubber rod which serves as the second electrode and sonically insulates the transducer from the housing. An acoustically absorbent ring affixed to the perimeter of the face of the probe, and a flaring of the back end of the probe, reduce the diffraction and reflection of acoustic waves for improved accuracy in the measurement of submicrosecond pulses.

44343841, Feb 28, 1984

Dec 8, 1980

6/214534

Clarence J. Dunnrowicz - Los Angeles CA
Joseph Callerame - Lexington MA

Raytheon Company - Lexington MA

H04R 1700

310325

An ultrasonic transducer and its method of fabrication wherein bonding between an impedance matching layer on one side of a piezoelectric layer and a support layer on the other side of the piezoelectric material is made by providing onto each material a smooth, thin gold film on the smooth surfaces of the layers which are to be in contact with one another in the assembled transducer. The layers are bonded to each other by the gold films under moderate temperature and pressure to form the transducer. Sawing of the impedance matching and piezoelectric layers into a plurality of parallel transducers attached to the support layer forms an array.