Title:
POLYMER FILM POLARIZATION METHOD
Document Type and Number:
WIPO Patent Application WO/2023/151217
Kind Code:
A1
Abstract:
The present invention belongs to the technical field of films, and relates to a polymer film polarization method. The method comprises the following steps: placing a template on a surface of a polymer film to be polarized, the side surface of the template attached to the surface of said polymer film being provided with a micro-nano structure array; heating said polymer film to a viscous state, and under the action of pressure, squeezing part of said polymer film in the viscous state into micro-nano structures on the surface of the template; and performing cooling to cure said polymer film, and peeling off the template, so that a polarization process is completed. According to the polymer film polarization method provided by the present invention, an electric field does not need to be applied during the polarization process, so that the polymer film and a circuit layer will not directly bear a high-voltage electric field. Therefore, the polymer film or an electronic device can be effectively prevented from being broken down, the production qualification rate of polarized films is effectively improved, and large-scale production can be achieved.
Inventors:
HU ZHIJUN (CN)
HE BAOSHENG (CN)
HE BAOSHENG (CN)
Application Number:
PCT/CN2022/100860
Publication Date:
August 17, 2023
Filing Date:
June 23, 2022
Export Citation:
Assignee:
UNIV SOOCHOW (CN)
International Classes:
H01L41/257; H01L41/193
Foreign References:
| CN114613902A | 2022-06-10 | |||
| CN107681463A | 2018-02-09 | |||
| CN108063183A | 2018-05-22 | |||
| CN112366207A | 2021-02-12 | |||
| US4985195A | 1991-01-15 |
Other References:
HU, ZHIJUN ET AL.: "Regular arrays of highly ordered ferroelectric polymer nanostructures for non-volatile low-voltage memories", NATURE MATERIALS, vol. 8, 7 December 2008 (2008-12-07), ISSN: 1476-4660
Attorney, Agent or Firm:
CENTRAL SOUTH WELL INTELLECTUAL PROPERTY OFFICE (CN)
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