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BS EN IEC 61249-2-51:2023

BS EN IEC 61249-2-51:2023

$102.76

Materials for printed boards and other interconnecting structures – Reinforced base materials, clad and unclad. Base materials for integrated circuit card carrier tape, unclad

Published By Publication Date Number of Pages
BSI 2023 22
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IEC 61249-2-51:2023 specifies the construction, materials, property requirements, quality assurance, packaging, marking, storage of base materials for integrated circuit card carrier tape, unclad (hereinafter referred to as IC carrier tape base materials). This document is applicable to IC carrier tape base materials, which is a glue-coated material, one side is woven E-glass reinforced epoxy underlayer, and the other side is coated with adhesive and protected by release film.

PDF Catalog

PDF Pages PDF Title
2 undefined
5 Annex ZA (normative)Normative references to international publicationswith their corresponding European publications
6 English
CONTENTS
8 FOREWORD
10 1 Scope
2 Normative references
3 Terms and definitions
11 4 Construction and materials
4.1 Construction
4.2 Epoxide woven E-glass underlayer
4.3 Adhesive
4.4 Release film
5 Electrical properties
Figure 1 – Construction of IC carrier tape base materials
Tables
Table 1 – Electrical properties
12 6 Non-electrical properties
6.1 Appearance of the IC carrier tape base materials
6.1.1 Delamination
6.1.2 Colloidal particles and metallic particles in underlayer
6.1.3 Colloidal particles in adhesive layer
6.1.4 Scratches of adhesive
6.1.5 Bubbles in underlayer
6.1.6 Breakages and exposures of reinforcement fibre in underlayer
6.2 Dimensional of IC carrier tape base materials
6.2.1 Length and width
6.2.2 Thickness of underlayer
6.2.3 Thickness of adhesive layer
6.3 Splices
13 6.4 Glass transition temperature
6.5 Surface properties of the underlayer side
6.6 Tensile strength and elongation at break
6.7 Water absorption
Table 2 – Glass transition temperature of underlayer
Table 3 – roughness, glossiness(60°) and surface energy
Table 4 – Tensile strength and elongation at break
Table 5 – Water absorption
14 6.8 Peel strength
6.9 Resin flow
7 Quality assurance
7.1 Quality system
7.2 Responsibility for inspection
7.3 Positions of specimens on the sample
Table 6 – Peel strength
Table 7 – Resin flow
15 7.4 Qualification inspection
7.4.1 General
7.4.2 Samples
7.4.3 Frequency
7.4.4 Criterion rule
Table 8 – Qualification and conformance inspection
16 7.5 Quality conformance inspection
7.5.1 General
7.5.2 Inspection lot
7.5.3 Group A inspection
7.5.4 Group B inspection
7.5.5 Group C inspection
7.5.6 Criterion rule
7.5.7 Rejected lots
7.6 Certificate of conformance
7.7 Safety data sheet
17 8 Packaging, marking and storage
8.1 Packaging, marking
8.2 Storage, storage condition and shelf life
18 Annex A (normative)Requirements for the preparation of samples of some performance items
Table A.1 – Requirements for the preparation of samples of some performance items
A.1 Ordering information
19 Annex B (informative)Engineering information
B.1 General
B.2 Chemical properties
B.3 Electrical properties
B.4 Mechanical properties
B.5 Physical properties
B.6 Thermal properties
20 Bibliography

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BS EN IEC 61249-2-51:2023
$102.76