Title:
ELECTRET ELEMENT, ELECTROSTATIC INDUCTION CONVERTER, AND MANUFACTURING METHOD THEREOF
Document Type and Number:
Japanese Patent JP2020161593
Kind Code:
A
Abstract:
To obtain an electret element having a larger amount of charge than in a prior art, and to obtain a compact, high-output, high-efficiency electrostatic induction converter using such an element.SOLUTION: An electret element 100 includes a plurality of electret material substrates 2 including at least one charged electret material substrate 2 and a holding mechanism that holds the plurality of electret material substrates 2 in a laminated state.SELECTED DRAWING: Figure 1
Inventors:
MAEDA TOSHINARI
TOKUNAGA DAISUKE
WATANABE MAKOTO
KITAJIMA YASUO
TOKUNAGA DAISUKE
WATANABE MAKOTO
KITAJIMA YASUO
Application Number:
JP2019058114A
Publication Date:
October 01, 2020
Filing Date:
March 26, 2019
Export Citation:
Assignee:
CITIZEN WATCH CO LTD
International Classes:
H01G7/02; H02N1/00
Attorney, Agent or Firm:
Haruka International Patent Office