JPS5228698A - Electret - Google Patents
ElectretInfo
- Publication number
- JPS5228698A JPS5228698A JP10413275A JP10413275A JPS5228698A JP S5228698 A JPS5228698 A JP S5228698A JP 10413275 A JP10413275 A JP 10413275A JP 10413275 A JP10413275 A JP 10413275A JP S5228698 A JPS5228698 A JP S5228698A
- Authority
- JP
- Japan
- Prior art keywords
- electret
- quitely
- macromolecule
- short time
- high performance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Filtering Materials (AREA)
Abstract
PURPOSE: Macromolecule electret having high performance, uniform charge density and long charge life produced in quitely short time.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10413275A JPS5228698A (en) | 1975-08-29 | 1975-08-29 | Electret |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10413275A JPS5228698A (en) | 1975-08-29 | 1975-08-29 | Electret |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5228698A true JPS5228698A (en) | 1977-03-03 |
Family
ID=14372573
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10413275A Pending JPS5228698A (en) | 1975-08-29 | 1975-08-29 | Electret |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5228698A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4513049A (en) * | 1983-04-26 | 1985-04-23 | Mitsui Petrochemical Industries, Ltd. | Electret article |
-
1975
- 1975-08-29 JP JP10413275A patent/JPS5228698A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4513049A (en) * | 1983-04-26 | 1985-04-23 | Mitsui Petrochemical Industries, Ltd. | Electret article |
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