求助:IEC-612249 (已应助)
各位大俠可否提供
謝謝--:) 请楼主发贴，注意对应版块，求助标准贴，请到可靠性资料标准版块，勿在站务公告区发贴。 IEC61249orIEC611249?
plsconfirm 大俠
是
IEC61249-2-21
謝謝
金老大
我下次改進 IEC61249-2-21-2003
FOREWORD..........................................................................................................................7
1Scope.............................................................................................................................13
2Normativereferences......................................................................................................13
3Materialsandconstruction..............................................................................................13
3.1Resinsystem.........................................................................................................15
3.2Reinforcement.......................................................................................................15
3.3Metalfoil................................................................................................................15
4Internalmarking..............................................................................................................15
5Electricalproperties........................................................................................................15
6Non-electricalpropertiesofthecopper-cladlaminate......................................................17
6.1Appearanceofthecopper-cladsheet.....................................................................17
6.2Appearanceoftheuncladface...............................................................................19
6.3Laminatethickness................................................................................................19
6.4Bowandtwist........................................................................................................21
6.5Propertiesrelatedtothecopperfoilbond...............................................................21
6.6Punchingandmachining........................................................................................23
6.7Dimensionalstability..............................................................................................23
6.8Sheetsizes............................................................................................................25
6.9Cutpanels.............................................................................................................25
7Non-electricalpropertiesofthebasematerialaftercompleteremovalof
thecopperfoil.................................................................................................................27
7.1Appearanceofthedielectricbasematerial.............................................................27
7.2Flexuralstrength....................................................................................................29
7.3Flammability..........................................................................................................29
7.4Waterabsorption...................................................................................................31
7.5Measling................................................................................................................31
7.6Glasstransitiontemperatureandcurefactor..........................................................31
8Qualityassurance...........................................................................................................33
8.1Qualitysystem.......................................................................................................33
8.2Responsibilityforinspection...................................................................................33
8.3Qualificationinspection..........................................................................................33
8.4Qualityconformanceinspection..............................................................................33
8.5Certificateofconformance.....................................................................................33
8.6Safetydatasheet...................................................................................................33
9Packagingandmarking...................................................................................................35
10Orderinginformation.......................................................................................................35
AnnexA(informative)Engineeringinformation.....................................................................37
AnnexB(informative)Commonlaminateconstructions.........................................................41
AnnexC(informative)Guidelineforqualificationandconformanceinspection.......................45
Bibliography..........................................................................................................................47 大俠太感謝你了:loveliness: 感谢！学习一下！
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