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IPC-4202 Revision updates dielectric materials guidance.

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May 4, 2010 - IPC has released IPC-4202A, Flexible Base Dielectrics for Use in Flexible Printed Circuitry. Data has been added to help users determine capability/compatibility of flexible base dielectric materials in manufacturing flexible printed circuitry/flat cables. Updates to specification sheets include newest properties for material types, and expanded dielectric metrics of properties such as permittivity/loss tangents include frequencies of 1 MHz, 1 GHz, and 10 GHz.

A Revision of IPC-4202 Gives Updated Guidance in Flexible Base Dielectric Materials

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IPC-Association Connecting Electronics Industries
3000 Lakeside Drive
Bannockburn, IL, 60015

Press release date: April 22, 2010

BANNOCKBURN, Ill., USA - IPC - Association Connecting Electronics Industries® has 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, or to purchase, visit

About IPC
IPC ( is a global trade association based in Bannockburn, Ill., dedicated to the competitive excellence and financial success of its 2,700 member companies which represent all facets of the electronics industry, including design, printed board manufacturing, electronics assembly and test. As a member-driven organization and leading source for industry standards, training, market research and public policy advocacy, IPC supports programs to meet the needs of an estimated $1.7 trillion global electronics industry. IPC maintains additional offices in Taos, N.M.; Arlington, Va.; Garden Grove, Calif.; Stockholm, Sweden; Moscow, Russia; and Shanghai and Shenzhen, China.
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