FI61108C - Saett att permanent polarisera pietzoelektriskt material med hjaelp av elektriska faelt - Google Patents
Saett att permanent polarisera pietzoelektriskt material med hjaelp av elektriska faelt Download PDFInfo
- Publication number
- FI61108C FI61108C FI2239/73A FI223973A FI61108C FI 61108 C FI61108 C FI 61108C FI 2239/73 A FI2239/73 A FI 2239/73A FI 223973 A FI223973 A FI 223973A FI 61108 C FI61108 C FI 61108C
- Authority
- FI
- Finland
- Prior art keywords
- polarization
- substance
- depolarization
- value
- polarized
- Prior art date
Links
- 239000000463 material Substances 0.000 title claims description 9
- 230000010287 polarization Effects 0.000 claims description 50
- 239000000126 substance Substances 0.000 claims description 23
- 230000028161 membrane depolarization Effects 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 17
- 230000005684 electric field Effects 0.000 claims description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 1
- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/01—Manufacture or treatment
- H10N30/04—Treatments to modify a piezoelectric or electrostrictive property, e.g. polarisation characteristics, vibration characteristics or mode tuning
- H10N30/045—Treatments to modify a piezoelectric or electrostrictive property, e.g. polarisation characteristics, vibration characteristics or mode tuning by polarising
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Catalysts (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Inorganic Insulating Materials (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2235055 | 1972-07-17 | ||
| DE2235055A DE2235055C3 (de) | 1972-07-17 | 1972-07-17 | Verfahren zur permanenten Polarisation von piezoelektrischem Material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI61108B FI61108B (fi) | 1982-01-29 |
| FI61108C true FI61108C (fi) | 1982-05-10 |
Family
ID=5850859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI2239/73A FI61108C (fi) | 1972-07-17 | 1973-07-13 | Saett att permanent polarisera pietzoelektriskt material med hjaelp av elektriska faelt |
Country Status (16)
| Country | Link |
|---|---|
| JP (1) | JPS4944299A (de) |
| AR (1) | AR198231A1 (de) |
| AT (1) | AT330267B (de) |
| BE (1) | BE802438A (de) |
| CA (1) | CA1000420A (de) |
| CH (1) | CH570709A5 (de) |
| DE (1) | DE2235055C3 (de) |
| FI (1) | FI61108C (de) |
| FR (1) | FR2237338B1 (de) |
| GB (1) | GB1432879A (de) |
| IN (1) | IN140672B (de) |
| IT (1) | IT993582B (de) |
| LU (1) | LU68020A1 (de) |
| NL (1) | NL7309892A (de) |
| SE (1) | SE380668B (de) |
| YU (1) | YU173173A (de) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5222798A (en) * | 1975-08-13 | 1977-02-21 | Matsushita Electric Ind Co Ltd | Polarizing method of piezoelectric porcelain |
| JPS5376705U (de) * | 1976-11-30 | 1978-06-27 | ||
| JPS53136667A (en) * | 1977-05-02 | 1978-11-29 | Fujitsu Ltd | Method of producing printed board |
| JPS5421599A (en) * | 1977-07-19 | 1979-02-17 | Sato Risaburou | Process for polarizing piezoelectric ceramic |
| JPS56110300A (en) * | 1980-02-05 | 1981-09-01 | Tdk Electronics Co Ltd | Radio wave dark chamber |
| DE3129015A1 (de) * | 1981-07-22 | 1983-02-10 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum abgleich piezoelektrischer antriebselemente |
| US4459634A (en) * | 1982-10-22 | 1984-07-10 | Pennwalt Corporation | Reverse field stabilization of polarized polymer films |
| JPS59129494A (ja) * | 1983-01-14 | 1984-07-25 | ティーディーケイ株式会社 | 電波吸収体 |
| JPH07105684B2 (ja) * | 1990-07-24 | 1995-11-13 | 株式会社村田製作所 | 圧電体の分極方法 |
| JPH05243884A (ja) * | 1992-02-27 | 1993-09-21 | Murata Mfg Co Ltd | 圧電体の分極方法 |
| DE19946718C2 (de) * | 1999-09-29 | 2002-01-10 | Siemens Ag | Vorbehandlungsverfahren für einen elektro-mechanischen Wandler |
| JP5024589B2 (ja) * | 2005-12-14 | 2012-09-12 | リコープリンティングシステムズ株式会社 | 液滴吐出装置、液滴吐出特性補正方法及びインクジェット記録装置 |
| DE102012111972A1 (de) | 2012-12-07 | 2014-06-12 | Epcos Ag | Verfahren zur Herstellung eines elektronischen Bauteils |
-
1972
- 1972-07-17 BE BE133562A patent/BE802438A/xx unknown
- 1972-07-17 DE DE2235055A patent/DE2235055C3/de not_active Expired
-
1973
- 1973-06-20 AT AT542673A patent/AT330267B/de not_active IP Right Cessation
- 1973-06-27 YU YU01731/73A patent/YU173173A/xx unknown
- 1973-06-29 CH CH949273A patent/CH570709A5/xx not_active IP Right Cessation
- 1973-06-29 SE SE7309210*A patent/SE380668B/xx unknown
- 1973-07-03 FR FR7324361A patent/FR2237338B1/fr not_active Expired
- 1973-07-13 IT IT26561/73A patent/IT993582B/it active
- 1973-07-13 FI FI2239/73A patent/FI61108C/fi active
- 1973-07-13 AR AR249093A patent/AR198231A1/es active
- 1973-07-16 CA CA176,523A patent/CA1000420A/en not_active Expired
- 1973-07-16 LU LU68020A patent/LU68020A1/xx unknown
- 1973-07-16 GB GB3370573A patent/GB1432879A/en not_active Expired
- 1973-07-16 JP JP48080207A patent/JPS4944299A/ja active Pending
- 1973-07-16 NL NL7309892A patent/NL7309892A/xx not_active Application Discontinuation
- 1973-10-16 IN IN2304/CAL/1973A patent/IN140672B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2235055B2 (de) | 1975-04-30 |
| GB1432879A (en) | 1976-04-22 |
| IN140672B (de) | 1976-12-11 |
| FI61108B (fi) | 1982-01-29 |
| IT993582B (it) | 1975-09-30 |
| NL7309892A (de) | 1974-01-21 |
| AR198231A1 (es) | 1974-06-07 |
| YU173173A (en) | 1982-05-31 |
| FR2237338A1 (de) | 1975-02-07 |
| DE2235055C3 (de) | 1975-12-11 |
| CA1000420A (en) | 1976-11-23 |
| SE380668B (sv) | 1975-11-10 |
| AU5748673A (en) | 1975-01-09 |
| LU68020A1 (de) | 1973-09-17 |
| BE802438A (fr) | 1973-11-16 |
| ATA542673A (de) | 1975-09-15 |
| JPS4944299A (de) | 1974-04-25 |
| CH570709A5 (de) | 1975-12-15 |
| DE2235055A1 (de) | 1974-01-31 |
| FR2237338B1 (de) | 1978-03-24 |
| AT330267B (de) | 1976-06-25 |
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