FR1554730A - - Google Patents

Info

Publication number
FR1554730A
FR1554730A FR1554730DA FR1554730A FR 1554730 A FR1554730 A FR 1554730A FR 1554730D A FR1554730D A FR 1554730DA FR 1554730 A FR1554730 A FR 1554730A
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
Application number
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.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR1554730A publication Critical patent/FR1554730A/fr
Expired legal-status Critical Current

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
    • H01G7/025—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Composite Materials (AREA)
FR1554730D 1967-10-23 1967-10-23 Expired FR1554730A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR125491 1967-10-23

Publications (1)

Publication Number Publication Date
FR1554730A true FR1554730A (fr) 1969-01-24

Family

ID=8640547

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1554730D Expired FR1554730A (fr) 1967-10-23 1967-10-23

Country Status (1)

Country Link
FR (1) FR1554730A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2290042A2 (fr) * 1974-10-26 1976-05-28 Secr Defence Brit Materiau pyroelectrique au germanate de plomb
FR2323236A1 (fr) * 1975-09-02 1977-04-01 Philips Nv Corps fritte polarise et son procede de realisation
EP0619279A1 (fr) * 1993-03-12 1994-10-12 Hoechst CeramTec Aktiengesellschaft Matériau piézocéramique à activité piézoélectrique élevée et à constante diélectrique élevée

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2290042A2 (fr) * 1974-10-26 1976-05-28 Secr Defence Brit Materiau pyroelectrique au germanate de plomb
FR2323236A1 (fr) * 1975-09-02 1977-04-01 Philips Nv Corps fritte polarise et son procede de realisation
EP0619279A1 (fr) * 1993-03-12 1994-10-12 Hoechst CeramTec Aktiengesellschaft Matériau piézocéramique à activité piézoélectrique élevée et à constante diélectrique élevée
US5423995A (en) * 1993-03-12 1995-06-13 Hoechst Aktiengesellschaft Piezoceramic material having high piezoelectric activity and high dielectric constant

Similar Documents

Publication Publication Date Title
AT298283B (fr)
FR1592133A (fr)
FR1584157A (fr)
FR1554296A (fr)
AU2277767A (fr)
FR1589110A (fr)
AU2454867A (fr)
AU2256867A (fr)
AU1273466A (fr)
AU2116667A (fr)
BE706714A (fr)
BE708722A (fr)
BE614676A (fr)
BE706549A (fr)
BE704908A (fr)
BE698676A (fr)
BE692780A (fr)
BE692779A (fr)
BE692778A (fr)
BE692654A (fr)
BE692577A (fr)
BE692553A (fr)
BE692552A (fr)
BE609934A (fr)
BE692492A (fr)

Legal Events

Date Code Title Description
ST Notification of lapse