British Standards Institution

Source:: ISO
Committee:: TPR/1 - Technical Product Realization
Categories:: Measurement. Linear and angular | Measurement. Linear and angular. General |
Comment period start date:: 17/02/2025
Comment period end date:: 12/04/2025
Number of comments:: 0

Comment by:

12th Apr

Scope

This document specifies the design and characteristics of focus variation instruments for areal measurement of surface topography. Because surface profiles can be extracted from areal surface topography data the methods described in this document can be applied to profiling measurements as well.

This document deals with focus variation without pattern illumination or with fixed pattern illumination. The methods using varying pattern illumination during the measurement are excluded from this document.

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Please email further comments to: debbie.stead@bsigroup.com

Standard timeline

1. Proposal (Complete)

Proposal start date:

2. Draft (Complete)

Draft start date:

12/12/2024

3. Public Comments

Public Comments start date:

17/02/2025

Public Comments end date:

12/04/2025

Learn more about the standards development process

Standards Development

BS EN ISO 25178-606 ISO 25178-606 Geometrical product specifications (GPS). Surface texture: Areal. Part 606: Design and characteristics of non-contact (focus variation) instruments

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