ISO/IEC TECHNICAL REPORT TR 24720 First edition 2008-06-01 Information technology Automatic identification and data capture techniques Guidelines for direct part marking (DPM) Technologies de l'information - Techniques automatiques d'identification et de capture des données Lignes directrices pour DPM (<direct part marking>) Reference number ISO/IEC TR 24720:2008(E) IEC @ISO/IEC2008 y IHS under lic ted without license from IHS Not for Resale ISO/IEC TR 24720:2008(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below COPYRIGHTPROTECTEDDOCUMENT @ ISO/IEC2008 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, IsO's member body in the country of the requester. ISO copyright office Case postale 56. CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISO/IEC 2008 - All rights reserved ed without license from IHS Not for Resale ISO/IEC TR 24720:2008(E) Contents Page Foreword. iv Introduction. 1 Scope ... 2 Normative references 3 Terms and definitions.. 4 Abbreviated terms 5 Overview of DPM... 5.1 DPM methods... 5.2 Reasons for utilizing DPM , 6 Marking method selection. 7 Marking methods. 8 Cleaning ... 9 Marking surface preparation ... 9.1 Assessment.. 9.2 Protective coatings.. 10 Human readable marking .. 8 11 Symbol quality ... 8 12 Reading and grading DPM symbols .... 9 13 Verification 13.1 13.2 13.3 Possible equipment setup. 10 14 14.1 Generaldescription.. 11 14.2 Fixed-mount imagers.. 11 14.3 Presentation imager ... 12 14.4 Hand-held imager..... 12 Annex A (informative) Intrusive marking methods .. 14 A.1 14 A.2 Re-marking requirements using intrusive marking methods . 15 A.3 Laser marking .. 15 A.4 Dot peen marking.... 18 A.5 Other Intrusive marking methods . 20 Annex B (informative) Non-intrusive marking methods 22 B.1 Non-intrusive marking methods.... 22 B.2 Ink jet marking.... 22 B.3 Fabric embroidery/weaving .. 25 B.4 Forge, cast........ B.5 Laser bonding . 27 B.6 Laser engineered net shaping (LENS) 27 B.7 Screen printing... 28 B.8 Stencil.. 29 30 Bibliography.. 32 Copyright Intematinal brganizatin far standadzaion All rights reserved ili ted without licensefrom IHS Not for Resale