Title: angle lapping
Long Title: IUPAC Gold Book - angle lapping
DOI: 10.1351/goldbook.09220
Status: current

Definition
Sample preparation in which a sample is mechanically polished at an angle to the original surface.

Note
This angle can often be less than \(\pu{1\!^{\circ}}\), so that depth information with respect to the original surface is transformed to lateral information.

Related Term
- radial sectioning: https://goldbook.iupac.org//terms/view/09272

Source
- PAC, 2020, 92, 1781. 'Glossary of methods and terms used in surface chemical analysis (IUPAC Recommendations 2020)' on page 1797 (https://doi.org/10.1515/pac-2019-0404)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/09220/html
- json: https://goldbook.iupac.org/terms/view/09220/json
- xml: https://goldbook.iupac.org/terms/view/09220/xml

Citation: Citation: 'angle lapping' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.09220
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Disclaimer: The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.
Accessed: 2026-04-21T05:25:00+00:00