RE: [SI-LIST] : Dieletric Constant Polyimide

Andrew Ingraham ([email protected])
Fri, 12 Jun 1998 11:22:51 -0400

> Does anyone no the dielectric constant for Polyimide?

According to a reference I have, straight Polyimide resin (MIL spec
designation GC) has a dielectric constant of 3.5.

Board materials using Polyimide range from 3.0 to 4.7, depending on the
reinforcing material and ratio between the two.

Regards,
Andy Ingraham

**** To unsubscribe from si-list: send e-mail to [email protected]. In the BODY of message put: UNSUBSCRIBE si-list, for more more help, put HELP. si-list archives are accessible at http://www.qsl.net/wb6tpu/si-list ****