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BS IEC 62899-402-3:2021

BS IEC 62899-402-3:2021

$102.76

Printed electronics – Printability. Measurement of qualities. Voids in printed pattern using a two-dimensional optical image

Published By Publication Date Number of Pages
BSI 2021 22
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IEC 62899-402-3:2021(E) specifies the optical measurement method for acquiring two-dimensional images of voids and obtaining the void-related attributes in the dried or cured printed patterns which are part of the electronic products in the field of printed electronics. The measurable voids using this document are limited to those that are distinguishable by the optical image measurement. NOTE?In this document, void means an imperfection of pattern observed from a two-dimensional (2D) top-view.

PDF Catalog

PDF Pages PDF Title
2 undefined
4 CONTENTS
5 FOREWORD
7 INTRODUCTION
8 1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms
9 4 Atmospheric conditions for evaluation and conditioning
5 Measuring methods and instruments
5.1 Measuring instrument
10 5.2 Preparation of specimen
5.3 Measuring method
Figures
Figure 1 ā€“ Definition of pattern area and background areain the ROI of the captured image
11 Figure 2 ā€“ Distribution of the brightness of the pixels of the pattern area and mean value, and distribution of the brightness of the pixels of the background areaand mean value
12 5.4 Obtaining void-related attributes
6 Report of results
6.1 Measurement identification information
Figure 3 ā€“ Binarization of pattern and detected voids
13 6.2 Instrument system and its specification
6.3 Sampling position
6.4 Results
Table 1 ā€“ Reporting items example
14 Annex A (normative)Void threshold
Figure A.1 ā€“ Different images of a void
Figure A.2 ā€“ Dependence of the void threshold on the void threshold index
15 Figure A.3 ā€“ Distribution of the brightness of pixelsof the printed pattern and effect of Z
16 Figure A.4 ā€“ Example of void detection depending on Z
17 Figure A.5 ā€“ Additional examples of void detection depending on Z
18 Figure A.6 ā€“ Total numbers and areas of voids in the sample imagesof Figure A.4 and Figure A.5
19 Annex B (normative)Additional attribute from measurement ā€“ Size distribution of voids
Figure B.1 ā€“ Size distribution of voids in the sample images of Figure A.3 or Figure A.4
20 Bibliography

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BS IEC 62899-402-3:2021
$102.76