The anisotropic conductive sheet comprises an electrically insulating film of synthetic resin exhibiting conductivity in the thickness direction as a basic film (1).

In addition the film has a high degree of clarity and contributes to make the assembly work more efficient, for example, by shortening the time requirement when the film is utilized as an electrical insulating film.

The present invention relates essentially to a method of preparing an electrical insulating film on the surface of an electrically conducting or semiconducting substrate, such as a silicon substrate.

The conductive layer is disposed also on the embedded insulating film on the embedded gate electrode, and is partitioned by means of the isolating insulating film.

disruptive electric field strength of an insulant

The method can be used to test the performance of an insulative ferroelectric film and an electric leakage ferroelectric film.

The second insulating film (20) is covered by the first insulating film (18) and the third insulating film (21).

A second insulating film is formed on the first insulating film.

The second insulating film has lower stress than the first insulting film and the fourth insulating film has lower stress than the third insulating film.

The projection breaks the insulating film of the curved surface to be measured to ensure the electrical contact.

Also provided are a resin film for an insulating film, an insulating film, and a printed wiring board comprising an insulating film.

The first gate insulating film (21) and the second gate insulating film (22) [sic; (31)] comprise a first insulating film (41) and a second insulating film (42).

An insulating material surrounds the electrical conductor.

The electrical wire includes an electrical conductor and electrical insulation surrounding the electrical conductor.

An electrical insulator is also disclosed.