Process for preparation of semi-conducting polymer film...

Details Process for preparation of semi-conducting polymer film... Process for preparation of semi-conducting polymer film...

2006-01-31

2006-01-31

Pert, Evan (Department: 2826)

Plastic and nonmetallic article shaping or treating: processes

Direct application of electrical or wave energy to work

Molecular aligning or molecular orientating

C524S119000

Reexamination Certificate

active

06991759

ABSTRACT:
The present invention provides a process for preparation of semi-conducting polymer film containing beta crystalline phase of polyvinylidene fluoride which have a large number of application in piezoelectric devices viz. electromechanical sensors, tactile sensors for robotics, touch sensitive switches etc, which can be made at low temperatures and at low electric fields and having low resistivity/semi-conducting range.

REFERENCES:
patent: 4808352 (1989-02-01), Bhateja
patent: 4820585 (1989-04-01), Tedesco et al.
patent: 5254296 (1993-10-01), Perlman
patent: 6331330 (2001-12-01), Choy et al.
patent: 6746627 (2004-06-01), Niu et al.
patent: 2005/0065280 (2005-03-01), Subramaniam et al.

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