UL 746F-2012 UL Standard for Safety Polymeric Materials C Flexible Dielectric Film Materials for Use in Printed-Wiring Boards and Flexible Materials Interconnect Constructions (Secd i.pdf
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1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 746F Polymeric Materials Flexible Dielectric Film Materials for Use in Printed-Wiring Boards and Flexible Materials Interconnect ConstructionsUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTH
2、ER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Polymeric Materials Flexible Dielectric Film Materials for Use in Printed-Wiring Boards and Flexible Materia
3、ls Interconnect Constructions, UL 746F Second Edition, Dated January 13, 2012 SUMMARY OF TOPICS This new edition of ANSI/UL 746F includes changes to the following requirements: Revision of Requirements for Testing Conditions Described in Paragraph 4.2 Revision of Requirement for IR Analysis Adhesive
4、 Only Specied in Table 8.2 Clarication of Sample Requirements for Bond Strength Test Specied in Paragraphs 14.3.1 and 14.5.7 Addition of Requirements for Evaluating Asymmetrical Construction Samples Described in Paragraphs 15.5.11 and 16.5.6 Addition of Tolerance for Dimension of Conductor Shown in
5、Figure 17.1 Revision of Requirements for the Repeated Flexing Test in Paragraph 17.5.8 The new requirements are substantially in accordance with Proposal(s) on this subject dated August 26, 2011. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or tra
6、nsmitted in any form by any means, electronic, mechanical photocopying, recording, or otherwise without prior permission of UL. UL provides this Standard as is without warranty of any kind, either expressed or implied, including but not limited to, the implied warranties of merchantability or tness
7、for any purpose. In no event will UL be liable for any special, incidental, consequential, indirect or similar damages, including loss of prots, lost savings, loss of data, or any other damages arising out of the use of or the inability to use this Standard, even if UL or an authorized UL representa
8、tive has been advised of the possibility of such damage. In no event shall ULs liability for any damage ever exceed the price paid for this Standard, regardless of the form of the claim. Users of the electronic versions of ULs Standards for Safety agree to defend, indemnify, and hold UL harmless fro
9、m and against any loss, expense, liability, damage, claim, or judgment (including reasonable attorneys fees) resulting from any error or deviation introduced while purchaser is storing an electronic Standard on the purchasers computer system. The requirements in this Standard are now in effect, exce
10、pt for those paragraphs, sections, tables, gures, and/or other elements of the Standard having future effective dates as indicated in the note following the affected item. The prior text for requirements that have been revised and that have a future effective date are located after the Standard, and
11、 are preceded by a SUPERSEDED REQUIREMENTS notice. JANUARY 13, 2012 UL 746F tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL JANUARY 13, 2012 UL 746F tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION O
12、R DISTRIBUTION WITHOUT PERMISSION FROM UL JANUARY 13, 2012 1 UL 746F Standard for Polymeric Materials Flexible Dielectric Film Materials for Use in Printed-Wiring Boards and Flexible Materials Interconnect Constructions First Edition May, 2006 Second Edition January 13, 2012 This ANSI/UL Standard fo
13、r Safety consists of the Second Edition. The most recent designation of ANSI/UL 746F as an American National Standard (ANSI) occurred on January 13, 2012. ANSI approval for a standard does not include the Cover Page, Transmittal Pages, Title Page, or effective date information. Comments or proposals
14、 for revisions on any part of the Standard may be submitted to UL at any time. Proposals should be submitted via a Proposal Request in ULs On-Line Collaborative Standards Development System (CSDS) at http:/. ULs Standards for Safety are copyrighted by UL. Neither a printed nor electronic copy of a S
15、tandard should be altered in any way. All of ULs Standards and all copyrights, ownerships, and rights regarding those Standards shall remain the sole and exclusive property of UL. COPYRIGHT 2012 UNDERWRITERS LABORATORIES INC. ANSI/UL 746F-2012UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPROD
16、UCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL JANUARY 13, 2012 UL 746F 2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS INTRODUCTION 1 Scope .5 2 Abbreviations .5 3 Units of Measurement .5 4 Measurement Accu
17、racy and Testing Conditions 6 5 References .6 6 Supplementary Test Procedures 7 7 Glossary .7 CONSTRUCTION 8 Flexible Dielectric Material Test Programs and Sample Requirements 13 8.1 General 13 8.2 Direct support requirements (DSR) 22 8.3 Polyimide ANSI-like program 23 8.4 Base materials (Dielectric
18、 lm material) 23 8.5 Conductor adhesives and conductors 26 8.6 Bonding lm (supported and unsupported) and internal bonding materials 28 8.7 Coverlay (coverlayer, coverlm and covercoat) 32 8.8 Flexible material combinations and exible mass laminate 34 PERFORMANCE 9 Short Term Performance Prole Tests
19、37 10 Long Term Thermal Aging Tests 37 11 Flammability Tests 37 12 Thermal Shock Test .38 12.1 Purpose .38 12.2 Compliance criteria .38 12.3 Test specimens 38 12.4 Test apparatus and material .38 12.5 Procedure .39 12.6 Data collection .40 13 Delamination Test 40 13.1 Purpose .40 13.2 Compliance cri
20、teria .41 13.3 Test specimens 41 13.4 Apparatus or material .42 13.5 Procedure .42 13.6 Data collection .44 14 Bond Strength Test .44 14.1 Purpose .44 14.2 Compliance criteria .45 14.3 Test samples 45 14.4 Apparatus or material .46 14.5 Procedure .46 14.6 Data collection .49 15 Ambient-bend Test 50
21、15.1 Purpose .50 JANUARY 13, 2012 UL 746F 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 15.2 Compliance criteria .50 15.3 Test specimens 50 15.4 Apparatus or material .52 15.5 Procedure .52 15.6 Data collection .54 16 Cold-Bend Test .54 1
22、6.1 Purpose .54 16.2 Compliance criteria .55 16.3 Test specimens 55 16.4 Apparatus or material .55 16.5 Procedure .55 16.6 Data collection .57 17 Repeated Flexing Test 57 17.1 Purpose .57 17.2 Compliance criteria .58 17.3 Test specimens 58 17.4 Apparatus or material .59 17.5 Procedure .60 17.6 Data
23、collection .62 18 Coverlay Lamination Test 62 18.1 Purpose .62 18.2 Compliance criteria .63 18.3 Test samples 63 18.4 Apparatus or material .63 18.5 Procedure .64 18.6 Data collection .65 MARKINGS 19 Details .65 SUPPLEMENT SA - FOLLOW-UP INSPECTION SA1 Scope SA1 SA2 Glossary SA1 SA3 Responsibility o
24、f the Manufacturer .SA2 SA4 Responsibility of the Field Representative SA3 SA5 Selection of Samples for Follow-Up Testing .SA3 SA6 Follow-Up Test Program SA4 JANUARY 13, 2012 UL 746F 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL INTRODUCT
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