FR1052792A - Matière céramique polycristalline utilisable comme transducteur d'énergie - Google Patents
Matière céramique polycristalline utilisable comme transducteur d'énergieInfo
- Publication number
- FR1052792A FR1052792A FR1052792DA FR1052792A FR 1052792 A FR1052792 A FR 1052792A FR 1052792D A FR1052792D A FR 1052792DA FR 1052792 A FR1052792 A FR 1052792A
- Authority
- FR
- France
- Prior art keywords
- ceramic material
- energy transducer
- polycrystalline ceramic
- material usable
- usable
- 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
- 229910010293 ceramic material Inorganic materials 0.000 title 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
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
-
- 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
- C04B35/46—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 titanium oxides or titanates
- C04B35/462—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 titanium oxides or titanates based on titanates
- C04B35/465—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 titanium oxides or titanates based on titanates based on alkaline earth metal titanates
- C04B35/468—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 titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates
- C04B35/4682—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 titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates based on BaTiO3 perovskite phase
-
- 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)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Inorganic Insulating Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US210391A US2708243A (en) | 1951-02-10 | 1951-02-10 | Polycrystalline ceramic material |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1052792A true FR1052792A (fr) | 1954-01-27 |
Family
ID=22782720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1052792D Expired FR1052792A (fr) | 1951-02-10 | 1952-01-12 | Matière céramique polycristalline utilisable comme transducteur d'énergie |
Country Status (7)
Country | Link |
---|---|
US (1) | US2708243A (fr) |
BE (1) | BE509098A (fr) |
CH (1) | CH304854A (fr) |
DE (1) | DE1011646B (fr) |
FR (1) | FR1052792A (fr) |
GB (1) | GB716046A (fr) |
NL (1) | NL85585C (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3103440A (en) * | 1963-09-10 | Electrostrictive barium titanate ceramic with | ||
US3103441A (en) * | 1963-09-10 | Ceramic materials having flat temperature characteristics | ||
US3013977A (en) * | 1958-08-07 | 1961-12-19 | Herbert L Berman | Ferroelectric materials |
NL123567C (fr) * | 1960-04-29 | |||
DE1466189B1 (de) * | 1964-08-10 | 1970-06-25 | Nippon Electric Co | Verfahren zur piezoelektrischen Aktivierung eines ferroelektrischen Stoffes |
US3365633A (en) * | 1965-05-27 | 1968-01-23 | Linden Lab Inc | Method of treating polycrystalline ceramics for polarizing them |
US3899697A (en) * | 1971-05-14 | 1975-08-12 | Stewart E Cummins | Bistable positioner comprising a dimensionally bistable ferroelectric crystal |
JP3301380B2 (ja) * | 1997-06-27 | 2002-07-15 | 株式会社村田製作所 | 圧電セラミック焼結体、圧電セラミック素子、および積層圧電セラミック素子、ならびに圧電セラミック焼結体の製造方法 |
US6526833B1 (en) | 2000-03-13 | 2003-03-04 | Massachusetts Institute Of Technology | Rhombohedral-phase barium titanate as a piezoelectric transducer |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE680204C (de) * | 1936-01-07 | 1939-08-24 | Steatit Magnesia Akt Ges | Verfahren zur Herstellung keramischer Kondensatordielektriken |
US2467169A (en) * | 1942-11-12 | 1949-04-12 | Nat Lead Co | High dielectric material and method of making same |
GB574577A (en) * | 1942-12-08 | 1946-01-11 | Dubilier Condenser Co 1925 Ltd | Improvements in or relating to ceramic compositions |
US2402516A (en) * | 1943-11-02 | 1946-06-18 | Titanium Alloy Mfg Co | High dielectric material and method of making same |
US2486560A (en) * | 1946-09-20 | 1949-11-01 | Erie Resistor Corp | Transducer and method of making the same |
GB664370A (fr) * | 1947-09-20 | |||
NL86933C (fr) * | 1949-09-12 |
-
0
- BE BE509098D patent/BE509098A/xx unknown
- NL NL85585D patent/NL85585C/xx active
-
1951
- 1951-02-10 US US210391A patent/US2708243A/en not_active Expired - Lifetime
- 1951-12-05 GB GB28498/51A patent/GB716046A/en not_active Expired
-
1952
- 1952-01-12 FR FR1052792D patent/FR1052792A/fr not_active Expired
- 1952-02-05 DE DEN5051A patent/DE1011646B/de active Pending
- 1952-02-08 CH CH304854D patent/CH304854A/de unknown
Also Published As
Publication number | Publication date |
---|---|
CH304854A (de) | 1955-01-31 |
DE1011646B (de) | 1957-07-04 |
US2708243A (en) | 1955-05-10 |
BE509098A (fr) | |
GB716046A (en) | 1954-09-29 |
NL85585C (fr) |
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