BE509098A - - Google Patents
Info
- Publication number
- BE509098A BE509098A BE509098DA BE509098A BE 509098 A BE509098 A BE 509098A BE 509098D A BE509098D A BE 509098DA BE 509098 A BE509098 A BE 509098A
- Authority
- BE
- Belgium
Links
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 |
|---|---|
| BE509098A true BE509098A (sr) |
Family
ID=22782720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE509098D BE509098A (sr) | 1951-02-10 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2708243A (sr) |
| BE (1) | BE509098A (sr) |
| CH (1) | CH304854A (sr) |
| DE (1) | DE1011646B (sr) |
| FR (1) | FR1052792A (sr) |
| GB (1) | GB716046A (sr) |
| NL (1) | NL85585C (sr) |
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 |
| NL260839A (sr) * | 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 |
| NL77944C (sr) * | 1947-09-20 | |||
| NL86933C (sr) * | 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 |
| GB716046A (en) | 1954-09-29 |
| NL85585C (sr) | |
| DE1011646B (de) | 1957-07-04 |
| US2708243A (en) | 1955-05-10 |
| FR1052792A (fr) | 1954-01-27 |