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A Revision of IPC-4202 Gives Updated Guidance in Flexible Base Dielectric Materials
April 23, 2010 |Estimated reading time: 1 minute
BANNOCKBURN, IL — IPC — Association Connecting Electronics Industries released IPC-4202A, “Flexible Base Dielectrics for Use in Flexible Printed Circuitry.” This document provides comprehensive data to help users more easily determine the capability and compatibility of flexible base dielectric materials in manufacturing flexible printed circuitry and flexible flat cables.
Included in new revision of IPC-4202, flexible base material specification sheets have been updated with the newest properties for specification material types such as polyimide, fluorocarbon and polyethylene teraphthalate films; reinforced epoxy; aramid paper and others.
In addition, dielectric metrics of properties such as permittivity and loss tangents have been expanded to include frequencies of one megahertz, one gigahertz and ten gigahertz.
The IPC-4202A standard establishes the most current classification system, qualification and quality conformance requirements, and test methods for flexible base dielectric materials. For more information on IPC-4202A, “Flexible Base Dielectrics for Use in Flexible Printed Circuitry,” visit www.ipc.org/4202.
Other Recent IPC Standards Updates:Updates to IPC-6012 and IPC-A-600 Include Spec Changes for New Board Technologies and ProcessesIPC J-STD-001E Industry Requirements for Soldered Electrical and Electronic Assemblies UpdatedIPC-A-610E Released: Industry Requirements for Acceptability of Electronic Assemblies UpdatedUpdated Materials Declaration Standard IPC-1752A Addresses Revolving Door of Environmental Regulation Changes
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