GB1079134A - Process for the production of electrets - Google Patents
Process for the production of electretsInfo
- Publication number
- GB1079134A GB1079134A GB8429/65A GB842965A GB1079134A GB 1079134 A GB1079134 A GB 1079134A GB 8429/65 A GB8429/65 A GB 8429/65A GB 842965 A GB842965 A GB 842965A GB 1079134 A GB1079134 A GB 1079134A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electrets
- electrodes
- feb
- heating
- assembly
- 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.)
- Expired
Links
- 239000011888 foil Substances 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- -1 polyethylene terephthalate Polymers 0.000 abstract 2
- 238000004804 winding Methods 0.000 abstract 2
- ZAMLGGRVTAXBHI-UHFFFAOYSA-N 3-(4-bromophenyl)-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid Chemical compound CC(C)(C)OC(=O)NC(CC(O)=O)C1=CC=C(Br)C=C1 ZAMLGGRVTAXBHI-UHFFFAOYSA-N 0.000 abstract 1
- 229910001369 Brass Inorganic materials 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 1
- 229920001328 Polyvinylidene chloride Polymers 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract 1
- 229940081735 acetylcellulose Drugs 0.000 abstract 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 239000010951 brass Substances 0.000 abstract 1
- 229920002301 cellulose acetate Polymers 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 239000010949 copper Substances 0.000 abstract 1
- 238000005421 electrostatic potential Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 229920002493 poly(chlorotrifluoroethylene) Polymers 0.000 abstract 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 abstract 1
- 239000005023 polychlorotrifluoroethylene (PCTFE) polymer Substances 0.000 abstract 1
- 229920000139 polyethylene terephthalate Polymers 0.000 abstract 1
- 239000005020 polyethylene terephthalate Substances 0.000 abstract 1
- 239000004926 polymethyl methacrylate Substances 0.000 abstract 1
- 229920000915 polyvinyl chloride Polymers 0.000 abstract 1
- 239000004800 polyvinyl chloride Substances 0.000 abstract 1
- 239000005033 polyvinylidene chloride Substances 0.000 abstract 1
- 229910001220 stainless steel Inorganic materials 0.000 abstract 1
- 239000010935 stainless steel Substances 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 229910052718 tin Inorganic materials 0.000 abstract 1
- 239000011135 tin Substances 0.000 abstract 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
- 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
-
- 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
- Y10T29/43—Electric condenser making
- Y10T29/435—Solid dielectric type
-
- 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
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Treating Waste Gases (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Filtering Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US348067A US3316620A (en) | 1964-02-28 | 1964-02-28 | Process for the production of electrets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1079134A true GB1079134A (en) | 1967-08-16 |
Family
ID=23366515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8429/65A Expired GB1079134A (en) | 1964-02-28 | 1965-02-26 | Process for the production of electrets |
Country Status (13)
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3400383A (en) * | 1964-08-05 | 1968-09-03 | Texas Instruments Inc | Trainable decision system and adaptive memory element |
| US3487610A (en) * | 1965-03-26 | 1970-01-06 | Du Pont | Electrostatic filter unit with high stable charge and its manufacture |
| GB1135737A (US07368562-20080506-C00024.png) * | 1965-10-23 | 1900-01-01 | ||
| USRE28420E (en) * | 1967-05-15 | 1975-05-13 | Blbctret acoustic transducer | |
| US3632443A (en) * | 1968-04-27 | 1972-01-04 | Sony Corp | Method of making polypropylene electrets |
| NL143362B (nl) * | 1968-07-10 | 1974-09-16 | Tno | Werkwijze voor het formeren van een eenzijdig gemetalliseerde elektreetfoelie, alsmede zulk een elektreetfoelie geformeerd volgens deze werkwijze. |
| US3748727A (en) * | 1968-07-11 | 1973-07-31 | W Swain | Method of making electret transducers |
| NL146969B (nl) * | 1969-11-12 | 1975-08-15 | Tno | Verbetering van werkwijze voor het formeren van een eenzijdig gemetalliseerde elektreetfoelie. |
| US3650024A (en) * | 1969-11-21 | 1972-03-21 | Thermo Couple Products Co Inc | Temperature sensitive control sensor |
| JPS5019360B1 (US07368562-20080506-C00024.png) * | 1970-08-26 | 1975-07-05 | ||
| US3670058A (en) * | 1971-02-01 | 1972-06-13 | Gte Sylvania Inc | Method of reducing self-generated electrical noise in coaxial cable |
| JPS5718641B2 (US07368562-20080506-C00024.png) * | 1973-07-17 | 1982-04-17 | ||
| MX145379A (es) * | 1976-09-24 | 1982-01-29 | Pennwalt Corp | Metodo mejorado para polarizar una pila de capas multiples de peliculas formadoras de elementos piezoelectricos |
| DE3041957A1 (de) * | 1979-11-08 | 1981-09-03 | British Aerospace, Weybridge, Surrey | Thermische abschirmung, insbesondere fuer raumfahrzeuge |
| FR2519293A1 (fr) * | 1981-12-31 | 1983-07-08 | Thomson Csf | Procede de fabrication d'un bloc en materiau macromoleculaire piezoelectrique et bloc obtenu par ledit procede |
| US6513184B1 (en) | 2000-06-28 | 2003-02-04 | S. C. Johnson & Son, Inc. | Particle entrapment system |
| US6550639B2 (en) | 2000-12-05 | 2003-04-22 | S.C. Johnson & Son, Inc. | Triboelectric system |
| US6967584B2 (en) * | 2003-07-28 | 2005-11-22 | Senstar-Stellar Corporation | Integrated sensor cable for ranging |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2785350A (en) * | 1954-10-18 | 1957-03-12 | Erie Resistor Corp | Capacitor |
| US2842653A (en) * | 1956-04-09 | 1958-07-08 | Western Electric Co | Methods of making electrical capacitors |
-
1964
- 1964-02-28 US US348067A patent/US3316620A/en not_active Expired - Lifetime
-
1965
- 1965-02-13 ES ES0309330A patent/ES309330A1/es not_active Expired
- 1965-02-23 BE BE660126D patent/BE660126A/xx unknown
- 1965-02-23 FR FR6621A patent/FR1457291A/fr not_active Expired
- 1965-02-24 LU LU48065A patent/LU48065A1/xx unknown
- 1965-02-25 AT AT166665A patent/AT266278B/de active
- 1965-02-25 NL NL6502370A patent/NL6502370A/xx unknown
- 1965-02-25 FI FI650467A patent/FI44648C/fi active
- 1965-02-26 SE SE2563/65A patent/SE300133B/xx unknown
- 1965-02-26 CH CH267965A patent/CH429947A/de unknown
- 1965-02-26 GB GB8429/65A patent/GB1079134A/en not_active Expired
- 1965-02-27 NO NO156966A patent/NO121053B/no unknown
-
1968
- 1968-12-31 MY MY1968107A patent/MY6800107A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AT266278B (de) | 1968-11-11 |
| CH429947A (de) | 1967-02-15 |
| LU48065A1 (US07368562-20080506-C00024.png) | 1965-04-26 |
| NL6502370A (US07368562-20080506-C00024.png) | 1965-08-30 |
| FI44648C (fi) | 1971-12-10 |
| FI44648B (US07368562-20080506-C00024.png) | 1971-08-31 |
| US3316620A (en) | 1967-05-02 |
| SE300133B (US07368562-20080506-C00024.png) | 1968-04-08 |
| NO121053B (US07368562-20080506-C00024.png) | 1971-01-11 |
| FR1457291A (fr) | 1966-11-04 |
| BE660126A (US07368562-20080506-C00024.png) | 1965-06-16 |
| MY6800107A (en) | 1968-12-31 |
| ES309330A1 (es) | 1965-05-16 |
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