Standard Historical Last Updated: Jul 14, 2011 Track Document
ASTM F390-98(2003)

Standard Test Method for Sheet Resistance of Thin Metallic Films With a Collinear Four-Probe Array

Standard Test Method for Sheet Resistance of Thin Metallic Films With a Collinear Four-Probe Array F0390-98R03 ASTM|F0390-98R03|en-US Standard Test Method for Sheet Resistance of Thin Metallic Films With a Collinear Four-Probe Array Standard new BOS Vol. 10.04 Committee F01
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Abstract

This test method covers the measurement of the sheet resistance of metallic thin films with a collinear four-probe array. It is intended for use with rectangular metallic films formed by deposition of a material or by a thinning process and supported by an insulating substrate. This test method is suitable for referee measurement purposes as well as for routine acceptance measurements. A collinear four-probe array is used to determine the sheet resistance by passing a measured direct current through the specimen between the outer probes and measuring the resulting potential difference between the inner probes. The sheet resistance is calculated from the measured current and potential values using correction factors associated with the geometry of the specimen and the probe spacing. The accuracy of the electrical measuring equipment is tested by means of an analog circuit containing a known standard resistor together with other resistors which simulate the resistance at the contacts between the probe tips and the film surface.

Scope

1.1 This test method covers the measurement of the sheet resistance of metallic thin films with a collinear four-probe array. It is intended for use with rectangular metallic films between 0.01 and 100 [mu]m thick, formed by deposition of a material or by a thinning process and supported by an insulating substrate, in the sheet resistance range from 10 to 10 [omega]/[open-box] (see 3.1.3).

1.2 This test method is suitable for referee measurement purposes as well as for routine acceptance measurements.

1.3 The values stated in Si units are to be regarded as the standard. The values given in parentheses are for information only.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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Details
Book of Standards Volume: 10.04
Developed by Subcommittee: F01.17
Pages: 4
DOI: 10.1520/F0390-98R03
ICS Code: 77.040.99