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AS
AS 3508.4-1992

AS 3508.4-1992

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Printed board assemblies - Acceptability of printed boards and soldered joints - Pictorial representation

Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Withdrawn date

30-06-2017

Language(s)

English

Published date

01-01-1992

Publisher

Standards Australia

Preview
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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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1 - AS 3508.4-1992 PRINTED BOARD ASSEMBLIES - ACCEPTABILITY OF PRINTED BOARDS AND SOLDERED JOINTS - PICTORIAL REPRESENTATION
4 - PREFACE
4 - CONTENTS
5 - FOREWORD
6 - 1 SCOPE
6 - 2 APPLICATION
6 - 3 REFERENCED DOCUMENTS
6 - 4 DEFINITIONS
6 - 5 INSPECTION CONDITIONS AND CRITERIA
6 - 5.1 Viewing conditions
6 - 5.2 Percentage values
6 - 5.3 Classification
7 - 6 VISUAL INSPECTION
7 - 6.1 General
7 - 6.2 Clinching
7 - 6.3 Solder quantity
10 - 6.4 Plated-through hole (PTH)
11 - 6.5 Wetting faults
11 - 6.5.1 Non-wetting
11 - 6.5.2 Dewetting
12 - 6.6 Exposed copper
13 - 6.7 Dry joint
14 - 6.8 Damaged joint
15 - 6.9 Damaged base material
15 - 6.9.1 Charring
15 - 6.9.2 Blistering
15 - 6.9.3 Delamination
15 - 6.9.4 Cracks
16 - 6.10 Damaged printed circuits
16 - 6.10.1 Lifted conductors
16 - 6.10.2 Scratched conductors
16 - 6.10.3 Scratched contacts
18 - 6.11 Holes
18 - 6.11.1 Blowholes
18 - 6.11.2 Pinholes
18 - 6.11.3 Shrinkholes
18 - 6.11.4 Probe marks
19 - 6.12 Solder spikes
20 - 6.13 Solder bridging
21 - 6.14 Other defective joints
21 - 6.14.1 Contaminated joint
21 - 6.14.2 Button joint
22 - 6.15 Solder spatter
23 - APPENDIX A - PURCHASING GUIDELINES
23 - AI GENERAL
24 - APPENDIX B - DEFECTS IDENTIFIED BY VISUAL INSPECTION OF PRINTED BOARD ASSEMBLIES
24 - B1 SCOPE
24 - B2 LIKELY DEFECTS
24 - B3 TYPICAL DEFECT CLASSIFICATION LIST (DCL) FOR A SOLDERED JOINT
24 - B4 TYPICAL DEFECT CLASSIFICATION LIST (DCL) FOR PBA MASS SOLDERING
24 - B5 TYPICAL DEFECT CLASSIFICATION LIST FOR PBA PHYSICAL ASPECTS

Pictorially illustrates preferred, acceptable and unacceptable soldered joints on printed circuit boards.

Committee
IT-001
DocumentType
Standard
ISBN
0 7262 7382 1
Pages
19
PublisherName
Standards Australia
Status
Withdrawn
Supersedes

This Standard defines the quality of workmanship required of printed board assemblies (PBAs) complying with AS 2546.1 or AS 2546.3 and supplied as individual PBAs or mounted in equipment. This Standard provides the criteria, as assessed by visual examination, for their acceptability for use by the purchaser.

First published as AS 3508.4-1987.
Second edition 1990.
AS 3508.4-1990 withdrawn 1991.
Third edition 1992.

AS 2546.3-1988 Printed boards Design and use
AS 2546.0-1987 Printed Boards Terms And Definitions
AS 3250-1990 Approval and test specification - Mains operated electronic and related equipment for household and similar general use
AS 1199-1988 Sampling procedures and tables for inspection by attributes
AS 1057-1985 Quality assurance and quality control - Glossary of terms
AS 3508.1-1989 Printed board assemblies - Preparation, handling and assembly
AS 3260-1988 Approval and test specification - Safety of information technology equipment including electrical business equipment
AS 1399-1990 Guide to AS 1199 - Sampling procedures and tables for inspection by attributes
AS 2546.1-1982 Printed boards General requirements and test methods

AS 2546.3-1988 Printed boards Design and use

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