abstract |
The present invention provides novel assemblies useful for a variety of products. The assembly of the present invention has a low dielectric constant and can be suitably used for various electrical products. In addition, the assemblies of the present invention are resistant to attack by acidic aqueous, basic aqueous and / or organic media, such assemblies being subjected to various processing conditions, such as, for example, chemical etching to introduce them into a circuit. can do. |