Accession Number:

ADA021736

Title:

Electret Tape Transducer

Descriptive Note:

Final rept. Mar-Sep 1975

Corporate Author:

GTE SYLVANIA MOUNTAIN VIEW CA

Personal Author(s):

• Miller, G. K.

Report Date:

1976-02-01

Pagination or Media Count:

132.0

Abstract:

The report covers an initial program to establish the feasibility of a new line transducer based on an active ultrasonic electret tape concept. It describes a theoretical model based on a lumped-element harmonic electromechanical analysis and was programmed for a high speed digital computer to allow the assessment of the effects of fourteen transducer parameters. It also describes the method used for charging the electret layer, the techniques developed for fabricating samples of the transducer, the test procedures required to evaluate the active and passive performance characteristics of the samples, and refinements to the fabrication process necessary to develop long samples.

Descriptors:

• *TRANSDUCERS
• ACOUSTIC DETECTORS
• COMPUTER PROGRAMS
• DOPPLER SYSTEMS
• ELECTRETS
• FORTRAN
• INTRUSION DETECTION
• TAPES
• ULTRASONIC RADIATION

Subject Categories:

• Electrical and Electronic Equipment
• Acoustic Detection and Detectors

Distribution Statement:

APPROVED FOR PUBLIC RELEASE