IT1019178B - Composizione ceramica piezoelettri ca - Google Patents

Composizione ceramica piezoelettri ca

Info

Publication number: IT1019178B
Authority: IT; Italy
Prior art keywords: piezoelettri; composition ceramic; ceramic; composition; ceramic piezoelettri
Prior art date: 1973-09-04

Application number

IT52827/74A

Other languages

English (en)

Original Assignee

Matsushita Electric Ind Co Ltd

Priority date (The priority date 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 date listed.)

1973-09-04

Filing date

1974-09-02

Publication date

1977-11-10

1974-09-02 Application filed by Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd

1977-11-10 Application granted granted Critical

1977-11-10 Publication of IT1019178B publication Critical patent/IT1019178B/it

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
- H01G7/025—Electrets, i.e. having a permanently-polarised dielectric having an inorganic dielectric
- H01G7/026—Electrets, i.e. having a permanently-polarised dielectric having an inorganic dielectric with ceramic 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
- C04B35/46—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
- 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
- C04B35/48—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 zirconium or hafnium oxides, zirconates, zircon or hafnates
- 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
- C04B35/50—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on rare-earth compounds
- 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
- C04B35/51—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on compounds of actinides
- 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
- H10N30/8548—Lead-based oxides
- H10N30/8554—Lead-zirconium titanate [PZT] based

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Ceramic Engineering (AREA)
Structural Engineering (AREA)
Manufacturing & Machinery (AREA)
Materials Engineering (AREA)
Organic Chemistry (AREA)
Power Engineering (AREA)
Composite Materials (AREA)
Physics & Mathematics (AREA)
Plasma & Fusion (AREA)
Inorganic Chemistry (AREA)
Microelectronics & Electronic Packaging (AREA)
Compositions Of Oxide Ceramics (AREA)
Inorganic Insulating Materials (AREA)

IT52827/74A 1973-09-04 1974-09-02 Composizione ceramica piezoelettri ca IT1019178B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP10004173A JPS5432516B2 (it)	1973-09-04	1973-09-04

Publications (1)

Publication Number	Publication Date
IT1019178B true IT1019178B (it)	1977-11-10

Family

ID=14263423

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT52827/74A IT1019178B (it)	1973-09-04	1974-09-02	Composizione ceramica piezoelettri ca

Country Status (8)

Country	Link
US (1)	US4392970A (it)
JP (1)	JPS5432516B2 (it)
CA (1)	CA1038155A (it)
DE (1)	DE2423971A1 (it)
FR (1)	FR2242345B1 (it)
GB (1)	GB1462300A (it)
IT (1)	IT1019178B (it)
NL (1)	NL7410442A (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5939913B2 (ja) *	1978-08-17	1984-09-27	株式会社村田製作所	圧電性磁器の製造方法
JPS6022835B2 (ja) *	1978-08-17	1985-06-04	株式会社村田製作所	圧電性磁器の製造方法
JPS61236176A (ja) *	1985-04-11	1986-10-21	Murata Mfg Co Ltd	圧電性磁器組成物
IL107932A0 (en) *	1992-12-08	1994-04-12	Miroevski Piotr Ravilevich	Method and apparatus for producing a silicon based binding composition and product prepared therefrom
US6123867A (en) *	1997-12-03	2000-09-26	Matsushita Electric Industrial Co., Ltd.	Piezoelectric ceramic composition and piezoelectric device using the same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1646818B1 (de) *	1966-11-26	1971-04-01	Nippon Electric Co	Piezoelektrisches keramisches Material
GB1179170A (en) *	1966-12-29	1970-01-28	Nippon Electric Co	Piezoelectric Ceramic Material
US3528918A (en) *	1967-09-26	1970-09-15	Matsushita Electric Ind Co Ltd	Piezoelectric ceramic compositions
US3595795A (en) *	1967-11-08	1971-07-27	Nippon Electric Co	Piezoelectric ceramic
GB1456616A (en) *	1973-12-12	1976-11-24	Murata Manufacturing Co	Ferroelectric ceramic composition

1973
- 1973-09-04 JP JP10004173A patent/JPS5432516B2/ja not_active Expired
1974
- 1974-05-17 DE DE2423971A patent/DE2423971A1/de active Pending
- 1974-05-29 FR FR7418645A patent/FR2242345B1/fr not_active Expired
- 1974-08-02 NL NL7410442A patent/NL7410442A/xx not_active Application Discontinuation
- 1974-08-22 CA CA207,534A patent/CA1038155A/en not_active Expired
- 1974-09-02 IT IT52827/74A patent/IT1019178B/it active
- 1974-09-04 GB GB3865274A patent/GB1462300A/en not_active Expired
1982
- 1982-02-03 US US06/345,530 patent/US4392970A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
JPS5049700A (it)	1975-05-02
US4392970A (en)	1983-07-12
DE2423971A1 (de)	1975-03-27
NL7410442A (nl)	1975-03-06
JPS5432516B2 (it)	1979-10-15
CA1038155A (en)	1978-09-12
FR2242345A1 (it)	1975-03-28
GB1462300A (en)	1977-01-19
FR2242345B1 (it)	1977-09-30

Publication	Publication Date	Title
IT1027014B (it)	1978-11-20	Composizione antitraspirante
BR7409822A (pt)	1976-05-25	Composicao adstringente
NL7409631A (nl)	1975-01-20	Keramisch materiaal.
IT1024672B (it)	1978-07-20	Aprasivo sinterizzato
BE816937A (nl)	1974-10-16	Maaidorser
BE821719A (fr)	1975-04-30	Hexahydro-dibenzo(b
BE821716A (fr)	1975-04-30	Dihydroxyhexahydrodibenzo(b
DK140348C (da)	1979-12-31	Forskalling
BE814882A (fr)	1974-09-02	Ceramiques
AR217788A1 (es)	1980-04-30	Composicion de copolieterester estabilizada
BE822084A (fr)	1975-03-03	Ceramiques refractaires poreuses
BR7408065D0 (pt)	1975-07-29	Composicao palatalizante
BE816631A (fr)	1974-10-16	Electrode refractaire
SE7800027L (sv)	1978-01-02	Keramisk kondensator
AR203203A1 (es)	1975-08-22	Composicion refractaria
IT1019178B (it)	1977-11-10	Composizione ceramica piezoelettri ca
RO70571A (ro)	1981-09-24	Compozitie erbicida sinergica lichida
DK145372C (da)	1983-04-11	Formularbane
BG21585A3 (bg)	1976-07-20	Хебрициден състав
IT1026726B (it)	1978-10-20	Composizione refrattaria
SE407212B (sv)	1979-03-19	Varmherdande eldfast brukkomposition
SE394695B (sv)	1977-07-04	Stabiliserad metylenkloridsammansettning
SE397969B (sv)	1977-11-28	Stabiliserad metylenkloridsammansettning
BE817364A (fr)	1975-01-08	(5-phenylsulfinyl-2-benzimidazolyl)-carbamates
RO70972A (ro)	1980-08-15	Glazura ceramica

Legal Events

Date	Code	Title	Description
1999-10-27	TA	Fee payment date (situation as of event date), data collected since 19931001	Effective date: 19930921