AT291404B - Verfahren zur herstellung von elektreten - Google Patents
Verfahren zur herstellung von elektretenInfo
- Publication number
- AT291404B AT291404B AT979066A AT979066A AT291404B AT 291404 B AT291404 B AT 291404B AT 979066 A AT979066 A AT 979066A AT 979066 A AT979066 A AT 979066A AT 291404 B AT291404 B AT 291404B
- Authority
- AT
- Austria
- Prior art keywords
- electretes
- manufacturing
- manufacturing electretes
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
- H01G7/02—Electrets, i.e. having a permanently-polarised dielectric
- H01G7/021—Electrets, i.e. having a permanently-polarised dielectric having an organic dielectric
- H01G7/023—Electrets, i.e. having a permanently-polarised dielectric having an organic dielectric of macromolecular compounds
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Filtering Materials (AREA)
- Artificial Filaments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US50398365A | 1965-10-23 | 1965-10-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT291404B true AT291404B (de) | 1971-06-15 |
Family
ID=24004358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT979066A AT291404B (de) | 1965-10-23 | 1966-11-20 | Verfahren zur herstellung von elektreten |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT291404B (en)) |
| BE (1) | BE688615A (en)) |
| CH (1) | CH498479A (en)) |
| ES (1) | ES332637A2 (en)) |
| GB (1) | GB1135413A (en)) |
| LU (1) | LU52224A1 (en)) |
| NL (1) | NL6614505A (en)) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5946112B2 (ja) * | 1975-12-29 | 1984-11-10 | 三菱油化株式会社 | アツデンザイリヨウ |
| NL7907539A (nl) * | 1979-10-11 | 1981-04-14 | Tno | Werkwijze voor het vervaardigen van elektreten. |
-
1966
- 1966-10-14 NL NL6614505A patent/NL6614505A/xx unknown
- 1966-10-19 GB GB4676766A patent/GB1135413A/en not_active Expired
- 1966-10-20 BE BE688615D patent/BE688615A/xx unknown
- 1966-10-21 CH CH1528866A patent/CH498479A/de not_active IP Right Cessation
- 1966-10-21 LU LU52224D patent/LU52224A1/xx unknown
- 1966-10-22 ES ES0332637A patent/ES332637A2/es not_active Expired
- 1966-11-20 AT AT979066A patent/AT291404B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CH498479A (de) | 1970-10-31 |
| ES332637A2 (es) | 1967-12-01 |
| LU52224A1 (en)) | 1966-12-21 |
| GB1135413A (en) | 1968-12-04 |
| BE688615A (en)) | 1967-03-31 |
| NL6614505A (en)) | 1967-04-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee |