DK154249C - Fremgangsmaade til fremstilling af et elektret og anlaeg til udoevelse af fremgangsmaaden - Google Patents
Fremgangsmaade til fremstilling af et elektret og anlaeg til udoevelse af fremgangsmaadenInfo
- Publication number
- DK154249C DK154249C DK297377A DK297377A DK154249C DK 154249 C DK154249 C DK 154249C DK 297377 A DK297377 A DK 297377A DK 297377 A DK297377 A DK 297377A DK 154249 C DK154249 C DK 154249C
- Authority
- DK
- Denmark
- Prior art keywords
- procedure
- exercise
- plant
- manufacturing
- electric
- Prior art date
Links
- 238000000034 method Methods 0.000 title 2
- 238000004519 manufacturing process Methods 0.000 title 1
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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49226—Electret making
Landscapes
- Power Engineering (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Physical Vapour Deposition (AREA)
- Winding Of Webs (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Inorganic Insulating Materials (AREA)
- Coating Apparatus (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Pressure Sensors (AREA)
- Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
- Thermistors And Varistors (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7620698 | 1976-07-05 | ||
| FR7620698A FR2357998A1 (fr) | 1976-07-05 | 1976-07-05 | Methode de fabrication d'elements sensibles possedant une polarisation electrique permanente de mise en oeuvre |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK297377A DK297377A (da) | 1978-01-06 |
| DK154249B DK154249B (da) | 1988-10-24 |
| DK154249C true DK154249C (da) | 1989-03-28 |
Family
ID=9175338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK297377A DK154249C (da) | 1976-07-05 | 1977-07-01 | Fremgangsmaade til fremstilling af et elektret og anlaeg til udoevelse af fremgangsmaaden |
Country Status (15)
| Country | Link |
|---|---|
| US (2) | US4173659A (da) |
| JP (1) | JPS606536B2 (da) |
| AU (1) | AU507205B2 (da) |
| BE (1) | BE856352A (da) |
| CA (1) | CA1081864A (da) |
| DE (1) | DE2729904A1 (da) |
| DK (1) | DK154249C (da) |
| ES (1) | ES460440A1 (da) |
| FR (1) | FR2357998A1 (da) |
| GB (1) | GB1557915A (da) |
| IT (1) | IT1076079B (da) |
| NL (1) | NL182260C (da) |
| NO (1) | NO144984C (da) |
| SE (1) | SE417467B (da) |
| SU (1) | SU1303046A3 (da) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4370182A (en) * | 1981-03-16 | 1983-01-25 | Gte Products Corporation | Method of making tape transducer |
| JPH05214A (ja) * | 1990-11-30 | 1993-01-08 | Mitsui Petrochem Ind Ltd | エレクトレツトフイルター |
| US6659751B1 (en) * | 1998-08-12 | 2003-12-09 | Ebara Corporation | Apparatus for radiation-induced graft polymerization treatment of fabric webs |
| US6899931B2 (en) | 2001-09-07 | 2005-05-31 | S. C. Johnson Home Storage, Inc. | Film material |
| US6846449B2 (en) | 2001-09-07 | 2005-01-25 | S. C. Johnson Home Storage, Inc. | Method of producing an electrically charged film |
| FR2892392B1 (fr) * | 2005-10-25 | 2007-12-28 | Sleever Internat Company Sa | Enveloppe destinee a l'emballage d'au moins un objet, du type constitue par un manchon en matiere plastique thermoretractable |
| CN112542683B (zh) * | 2020-12-09 | 2022-02-25 | 北京航空航天大学 | 一种用于星载的低频信号发射天线 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2904481A (en) * | 1955-06-29 | 1959-09-15 | Gen Electric | Solid state polymerization |
| US2989633A (en) * | 1956-02-08 | 1961-06-20 | Standard Oil Co | Apparatus and process for radiation |
| US2955953A (en) * | 1956-06-05 | 1960-10-11 | Du Pont | Process of adhering an organic coating to a polymeric substrate |
| BE561742A (da) * | 1956-10-18 | |||
| US3081485A (en) * | 1958-11-20 | 1963-03-19 | Steigerwald Karl Heinz | Process and apparatus for treating synthetic plastic materials |
| US3565780A (en) * | 1966-09-12 | 1971-02-23 | Du Pont | Process for the preparation of graft copolymers using repetitive irradiation and contacting steps |
| US3501390A (en) * | 1966-10-03 | 1970-03-17 | Ford Motor Co | Process for electrocoating and polymerizing by radiation |
| GB1302590A (da) * | 1969-09-10 | 1973-01-10 | ||
| US3967027A (en) * | 1969-12-19 | 1976-06-29 | Kureha Kagaku Kogyo Kabushiki Kaisha | Stable electret retaining a high surface potential and method of making the same |
| US3711941A (en) * | 1970-11-02 | 1973-01-23 | Bell Telephone Labor Inc | Fabrication of electret transducer elements using low energy electron beam |
| US3664605A (en) * | 1970-11-23 | 1972-05-23 | Eastman Kodak Co | Reversible web transporting apparatus |
| US3846521A (en) * | 1971-02-03 | 1974-11-05 | Union Carbide Corp | Low energy electron beam treatment of polymeric films, and apparatus therefore |
| FR2144933A5 (da) * | 1971-07-02 | 1973-02-16 | Anvar | |
| CH571038A5 (da) * | 1972-07-24 | 1975-12-31 | Bbc Brown Boveri & Cie |
-
1976
- 1976-07-05 FR FR7620698A patent/FR2357998A1/fr active Granted
-
1977
- 1977-06-29 AU AU26560/77A patent/AU507205B2/en not_active Expired
- 1977-07-01 DE DE19772729904 patent/DE2729904A1/de active Granted
- 1977-07-01 BE BE1008239A patent/BE856352A/xx not_active IP Right Cessation
- 1977-07-01 DK DK297377A patent/DK154249C/da not_active IP Right Cessation
- 1977-07-01 NO NO772330A patent/NO144984C/no unknown
- 1977-07-04 CA CA281,918A patent/CA1081864A/fr not_active Expired
- 1977-07-04 JP JP52079767A patent/JPS606536B2/ja not_active Expired
- 1977-07-04 SE SE7707738A patent/SE417467B/xx not_active IP Right Cessation
- 1977-07-04 IT IT25361/77A patent/IT1076079B/it active
- 1977-07-05 GB GB28094/77A patent/GB1557915A/en not_active Expired
- 1977-07-05 NL NLAANVRAGE7707457,A patent/NL182260C/xx not_active IP Right Cessation
- 1977-07-05 US US05/821,860 patent/US4173659A/en not_active Expired - Lifetime
- 1977-07-05 ES ES460440A patent/ES460440A1/es not_active Expired
-
1979
- 1979-05-31 US US06/044,306 patent/US4261287A/en not_active Expired - Lifetime
- 1979-07-12 SU SU792784256A patent/SU1303046A3/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| NL182260B (nl) | 1987-09-01 |
| SE417467B (sv) | 1981-03-16 |
| US4173659A (en) | 1979-11-06 |
| SU1303046A3 (ru) | 1987-04-07 |
| DK154249B (da) | 1988-10-24 |
| NL7707457A (nl) | 1978-01-09 |
| FR2357998B1 (da) | 1978-12-29 |
| SE7707738L (sv) | 1978-01-06 |
| JPS606536B2 (ja) | 1985-02-19 |
| AU507205B2 (en) | 1980-02-07 |
| US4261287A (en) | 1981-04-14 |
| NO144984B (no) | 1981-09-07 |
| ES460440A1 (es) | 1979-05-01 |
| IT1076079B (it) | 1985-04-22 |
| NO772330L (no) | 1978-01-06 |
| BE856352A (fr) | 1978-01-02 |
| FR2357998A1 (fr) | 1978-02-03 |
| AU2656077A (en) | 1979-01-04 |
| JPS5335199A (en) | 1978-04-01 |
| NL182260C (nl) | 1988-02-01 |
| DE2729904A1 (de) | 1978-01-12 |
| CA1081864A (fr) | 1980-07-15 |
| DK297377A (da) | 1978-01-06 |
| GB1557915A (en) | 1979-12-19 |
| DE2729904C2 (da) | 1987-08-06 |
| NO144984C (no) | 1981-12-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PBP | Patent lapsed |