FR2297497B1 - - Google Patents
Info
- Publication number
- FR2297497B1 FR2297497B1 FR7600401A FR7600401A FR2297497B1 FR 2297497 B1 FR2297497 B1 FR 2297497B1 FR 7600401 A FR7600401 A FR 7600401A FR 7600401 A FR7600401 A FR 7600401A FR 2297497 B1 FR2297497 B1 FR 2297497B1
- Authority
- FR
- France
- 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
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
- H01G7/028—Electrets, i.e. having a permanently-polarised dielectric having a heterogeneous dielectric
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/64—Burning or sintering processes
-
- 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
- H10N30/09—Forming piezoelectric or electrostrictive materials
- H10N30/093—Forming inorganic materials
- H10N30/097—Forming inorganic materials by sintering
-
- 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
- H10N30/80—Constructional details
- H10N30/85—Piezoelectric or electrostrictive active materials
- H10N30/853—Ceramic compositions
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Power Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Laminated Bodies (AREA)
- Hard Magnetic Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7500289A NL7500289A (nl) | 1975-01-10 | 1975-01-10 | Werkwijze voor de bereiding van een materiaal geschikt voor het omzetten van grootheden en uit een dergelijk materiaal vormstuk. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2297497A1 FR2297497A1 (fr) | 1976-08-06 |
| FR2297497B1 true FR2297497B1 (US07655688-20100202-C00548.png) | 1979-01-19 |
Family
ID=19822967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7600401A Granted FR2297497A1 (fr) | 1975-01-10 | 1976-01-09 | Procede permettant de preparer un materiau convenant a la conversion de parametres et produit realise a partir d'un tel materiau |
Country Status (10)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10120865A1 (de) * | 2001-04-27 | 2002-11-21 | Bosch Gmbh Robert | Kompositwerkstoff, Verfahren zu dessen Herstellung und dessen Verwendung |
| DE102008007875A1 (de) * | 2008-02-06 | 2009-11-12 | Universität des Saarlandes | Piezoelemente auf Grundlage Bariumoxid-basierter Mischoxide |
| CN114394852B (zh) * | 2022-01-06 | 2022-10-28 | 长安大学 | 一种晶粒尺寸呈梯度分布陶瓷材料的制备方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4838313A (US07655688-20100202-C00548.png) * | 1971-09-18 | 1973-06-06 | ||
| JPS49125896A (US07655688-20100202-C00548.png) * | 1973-04-06 | 1974-12-02 |
-
1975
- 1975-01-10 NL NL7500289A patent/NL7500289A/xx not_active Application Discontinuation
-
1976
- 1976-01-07 IT IT67018/76A patent/IT1055745B/it active
- 1976-01-07 DE DE19762600285 patent/DE2600285A1/de active Pending
- 1976-01-07 JP JP51001341A patent/JPS5198686A/ja active Pending
- 1976-01-07 AU AU10095/76A patent/AU1009576A/en not_active Expired
- 1976-01-07 SE SE7600056A patent/SE409067B/xx not_active IP Right Cessation
- 1976-01-07 GB GB486/76A patent/GB1520831A/en not_active Expired
- 1976-01-09 BE BE163420A patent/BE837449A/xx unknown
- 1976-01-09 AT AT9976A patent/AT347138B/de not_active IP Right Cessation
- 1976-01-09 FR FR7600401A patent/FR2297497A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| ATA9976A (de) | 1978-04-15 |
| SE409067B (sv) | 1979-07-23 |
| JPS5198686A (US07655688-20100202-C00548.png) | 1976-08-31 |
| BE837449A (fr) | 1976-07-09 |
| NL7500289A (nl) | 1976-07-13 |
| AT347138B (de) | 1978-12-11 |
| DE2600285A1 (de) | 1976-07-15 |
| AU1009576A (en) | 1977-07-14 |
| GB1520831A (en) | 1978-08-09 |
| SE7600056L (sv) | 1976-07-12 |
| FR2297497A1 (fr) | 1976-08-06 |
| IT1055745B (it) | 1982-01-11 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |