ASTM-F1153 Standard Test Method for Characterization of Metal-Oxide-Silicon (MOS) Structures by Capacitance-Voltage Measurements (Withdrawn 2003)

ASTM-F1153 - 1992 R02 EDITION - SUPERSEDED
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Standard Test Method for Characterization of Metal-Oxide-Silicon (MOS) Structures by Capacitance-Voltage Measurements (Withdrawn 2003)

Scope

This standard was transferred to SEMI (www.semi.org) May 2003

1.1 This test method covers procedures for measurement of metal-oxide-silicon (MOS) structures for flatband capacitance, flatband voltage, average carrier concentration within a depletion length of the semiconductor-oxide interface, displacement of flatband voltage after application of voltage stress at elevated temperatures, mobile ionic charge contamination, and total fixed charge density. Also covered is a procedure for detecting the presence of P-N junctions in the subsurface region of bulk or epitaxial silicon.

1.2 The procedure is applicable to n-type and p-type bulk silicon with carrier concentration from 5 x 10 14 to 5 x 10 16 carriers per cm 3, inclusive, and N/N + and P/P + epitaxial silicon with the same range of carrier concentration.

1.3 The procedure is applicable for test specimens with oxide thicknesses of 50 to 300 nm.

1.4 The procedure can give an indication of the level of defects within the MOS structure. These defects include interface trapped charge, fixed oxide charge, trapped oxide charge, and permanent inversion layers.

1.5 The precision of the procedure can be affected by inhomogeneities in the oxide or in the semiconductor parallel to the semiconductor-oxide interface.

1.6 The procedure is applicable for measurement of mobile ionic charge concentrations of 1 x 1010 cm 2 or greater. Alternative techniques, such as the triangular voltage sweep method (1), may be required where mobile ionic charge concentrations less than 1 x 10 10 cm 2 must be measured.

1.7 The procedure is applicable for measurement of total fixed charge density of 5 x 10 10 cm 2 or greater. Alternative techniques, such as the conductance method (2), may be required where the interface trapped-charge density component of total fixed charge of less than 5 x 10 10 cm 2 must be measured.

1.8 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.

Keywords

capacitance-voltage; carrier concentration; fixed charge density; flatband capacitance; flatband voltage; metal-oxide-silicon structures; mobile ionic charge; MOS structures; silicon; ICS Number Code 31.060.01 (Capacitors in general)

To find similar documents by ASTM Volume:

10.04 (Electronics; Declarable Substances in Materials; 3D Imaging Systems)

To find similar documents by classification:

31.060.01 (Capacitors in general)

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Document Number

ASTM-F1153-92(2002)

Revision Level

1992 R02 EDITION

Status

Superseded

Modification Type

Withdrawn

Publication Date

Dec. 1, 2002

Document Type

Test Method

Page Count

7 pages

Committee Number

F01.06