Thick Film Resistors Testing by Electro-Ultrasonic Spectroscopy

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26220%2F07%3APU72007" target="_blank" >RIV/00216305:26220/07:PU72007 - isvavai.cz</a>

Result on the web

—

DOI - Digital Object Identifier

—

Result language

angličtina

Original language name

Thick Film Resistors Testing by Electro-Ultrasonic Spectroscopy

Original language description

The paper presents new principle of non-destructive testing of thick film resistors. Tested sample is excited by harmonic AC electrical signal with frequency fE and by the ultrasonic wave with frequency fU. On the interface between two conducting particles the intermodulation signal with frequency fm given by superposition or subtraction of exciting frequencies fE and fU is created. The main advantage of this method is the detection of electrical signal on the frequency different from frequencies of excitation signals. We have studied the properties of polymer based thick film layers and cermet thick film resistors. Polymer based samples were made using different resistive pastes and dipping silvers. The mixture of carbon and graphite conducting particles and silver flakes suspended in different polymer vehicles were used for the resistive pastes and dipping silvers (DiAg), respectively. Amplitude of intermodulation signal Am, noise and non-linearity depend on the properties of point c

Czech name

Testování tlustovrstvových odporů pomocí elektro-ultrazvukové spektroskopie

Czech description

The paper presents new principle of non-destructive testing of thick film resistors. Tested sample is excited by harmonic AC electrical signal with frequency fE and by the ultrasonic wave with frequency fU. On the interface between two conducting particles the intermodulation signal with frequency fm given by superposition or subtraction of exciting frequencies fE and fU is created. The main advantage of this method is the detection of electrical signal on the frequency different from frequencies of excitation signals. We have studied the properties of polymer based thick film layers and cermet thick film resistors. Polymer based samples were made using different resistive pastes and dipping silvers. The mixture of carbon and graphite conducting particles and silver flakes suspended in different polymer vehicles were used for the resistive pastes and dipping silvers (DiAg), respectively. Amplitude of intermodulation signal Am, noise and non-linearity depend on the properties of point c

Type

D - Article in proceedings

CEP classification

JA - Electronics and optoelectronics

OECD FORD branch

—

Project

<a href="/en/project/GA102%2F06%2F0866" target="_blank" >GA102/06/0866: Nonlinear electroultrasonic spectroscopy of solids</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year

2007

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection

Proceedings of CARTS USA 2007

ISBN

0-7908-0114-0

ISSN

—

e-ISSN

—

Number of pages

8

Pages from-to

321-328

Publisher name

Electronic Components, Assemblies&Materials Association

Place of publication

USA

Event location

Albuquerque, New Mexico

Event date

Mar 26, 2007

Type of event by nationality

WRD - Celosvětová akce

UT code for WoS article

—