FR3048844B1 - Procede de realisation d'un dispositif a electret - Google Patents
Procede de realisation d'un dispositif a electret Download PDFInfo
- Publication number
- FR3048844B1 FR3048844B1 FR1751888A FR1751888A FR3048844B1 FR 3048844 B1 FR3048844 B1 FR 3048844B1 FR 1751888 A FR1751888 A FR 1751888A FR 1751888 A FR1751888 A FR 1751888A FR 3048844 B1 FR3048844 B1 FR 3048844B1
- Authority
- FR
- France
- Prior art keywords
- electret
- support plate
- printed
- temperature
- fluoropolymer
- 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.)
- Active
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 229920002313 fluoropolymer Polymers 0.000 claims abstract description 51
- 238000000034 method Methods 0.000 claims abstract description 46
- 239000004811 fluoropolymer Substances 0.000 claims abstract description 43
- 239000002904 solvent Substances 0.000 claims abstract description 22
- 238000007639 printing Methods 0.000 claims abstract description 12
- 230000008569 process Effects 0.000 claims abstract description 12
- 239000003990 capacitor Substances 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 16
- 239000012528 membrane Substances 0.000 claims description 9
- 230000010287 polarization Effects 0.000 claims description 8
- 125000006850 spacer group Chemical group 0.000 claims description 8
- 238000007650 screen-printing Methods 0.000 claims description 5
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims 1
- 239000002689 soil Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 229920000642 polymer Polymers 0.000 description 29
- 239000000463 material Substances 0.000 description 7
- 239000002800 charge carrier Substances 0.000 description 6
- 238000002425 crystallisation Methods 0.000 description 6
- 230000008025 crystallization Effects 0.000 description 6
- 239000010408 film Substances 0.000 description 6
- 230000009466 transformation Effects 0.000 description 6
- 238000000844 transformation Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- XWJRCNQFQUBEAV-NSCUHMNNSA-N (e)-5-fluoropent-2-ene Chemical compound C\C=C\CCF XWJRCNQFQUBEAV-NSCUHMNNSA-N 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 229920006125 amorphous polymer Polymers 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000003851 corona treatment Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000003636 chemical group Chemical group 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000004446 fluoropolymer coating Substances 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000007725 thermal activation Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
- H04R19/01—Electrostatic transducers characterised by the use of electrets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
- H04R19/01—Electrostatic transducers characterised by the use of electrets
- H04R19/016—Electrostatic transducers characterised by the use of electrets for microphones
-
- 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)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016204031.6 | 2016-03-11 | ||
| DE102016204031.6A DE102016204031A1 (de) | 2016-03-11 | 2016-03-11 | Verfahren zur Herstellung einer Elektretanordnung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR3048844A1 FR3048844A1 (fr) | 2017-09-15 |
| FR3048844B1 true FR3048844B1 (fr) | 2019-07-12 |
Family
ID=58543939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1751888A Active FR3048844B1 (fr) | 2016-03-11 | 2017-03-08 | Procede de realisation d'un dispositif a electret |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE102016204031A1 (de) |
| FR (1) | FR3048844B1 (de) |
| GB (1) | GB2550017A (de) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7403965A (nl) * | 1974-03-25 | 1975-09-29 | Philips Nv | Werkwijze tot het vervaardigen van een homopo- laire electreet uit een folie. |
| US6243474B1 (en) * | 1996-04-18 | 2001-06-05 | California Institute Of Technology | Thin film electret microphone |
| JP2007267272A (ja) | 2006-03-29 | 2007-10-11 | Matsushita Electric Ind Co Ltd | コンデンサマイクロフォン |
| DE102012202422A1 (de) | 2012-02-16 | 2013-08-22 | Robert Bosch Gmbh | Schallwandleranordnung |
| DE102013221140A1 (de) * | 2013-10-17 | 2015-04-23 | Robert Bosch Gmbh | Elektretstruktur |
| DE102014208645A1 (de) * | 2014-05-08 | 2015-11-12 | Robert Bosch Gmbh | Verfahren zur Herstellung eines mehrschichtigen Elektret-Bauteils |
-
2016
- 2016-03-11 DE DE102016204031.6A patent/DE102016204031A1/de not_active Ceased
-
2017
- 2017-03-03 GB GB1703429.9A patent/GB2550017A/en not_active Withdrawn
- 2017-03-08 FR FR1751888A patent/FR3048844B1/fr active Active
Also Published As
| Publication number | Publication date |
|---|---|
| FR3048844A1 (fr) | 2017-09-15 |
| GB2550017A (en) | 2017-11-08 |
| DE102016204031A1 (de) | 2017-09-14 |
| GB201703429D0 (en) | 2017-04-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PLFP | Fee payment |
Year of fee payment: 2 |
|
| PLSC | Publication of the preliminary search report |
Effective date: 20181123 |
|
| PLFP | Fee payment |
Year of fee payment: 4 |
|
| PLFP | Fee payment |
Year of fee payment: 5 |
|
| PLFP | Fee payment |
Year of fee payment: 6 |
|
| PLFP | Fee payment |
Year of fee payment: 7 |
|
| PLFP | Fee payment |
Year of fee payment: 8 |