FR2179807B1 - - Google Patents

Info

Publication number
FR2179807B1
FR2179807B1 FR7312127A FR7312127A FR2179807B1 FR 2179807 B1 FR2179807 B1 FR 2179807B1 FR 7312127 A FR7312127 A FR 7312127A FR 7312127 A FR7312127 A FR 7312127A FR 2179807 B1 FR2179807 B1 FR 2179807B1
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
FR7312127A
Other versions
FR2179807A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2179807A1 publication Critical patent/FR2179807A1/fr
Application granted granted Critical
Publication of FR2179807B1 publication Critical patent/FR2179807B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C04B35/10—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 aluminium oxide
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2804—Printed windings
    • H01F2027/2819—Planar transformers with printed windings, e.g. surrounded by two cores and to be mounted on printed circuit
FR7312127A 1972-04-07 1973-04-04 Expired FR2179807B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7204638A NL7204638A (fr) 1972-04-07 1972-04-07

Publications (2)

Publication Number Publication Date
FR2179807A1 FR2179807A1 (fr) 1973-11-23
FR2179807B1 true FR2179807B1 (fr) 1977-04-29

Family

ID=19815793

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7312127A Expired FR2179807B1 (fr) 1972-04-07 1973-04-04

Country Status (12)

Country Link
US (1) US3846146A (fr)
JP (1) JPS5219205B2 (fr)
AR (1) AR194310A1 (fr)
BE (1) BE797829A (fr)
BR (1) BR7302402D0 (fr)
CA (1) CA983058A (fr)
DE (1) DE2313760C3 (fr)
FR (1) FR2179807B1 (fr)
GB (1) GB1417043A (fr)
NL (1) NL7204638A (fr)
SE (1) SE380004B (fr)
ZA (1) ZA731869B (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50114535A (fr) * 1974-02-25 1975-09-08
JPS591355B2 (ja) * 1975-03-11 1984-01-11 松下電器産業株式会社 アツシユクキモ−タノセイギヨソウチ
US4045234A (en) * 1976-08-23 1977-08-30 Kaiser Aluminum & Chemical Corporation Process for producing high density sintered alumina
GB1597162A (en) * 1977-03-10 1981-09-03 Ngk Insulators Ltd Transparent polycrystalline alumina and high pressure vapour discharge lamp
US4169875A (en) * 1977-03-11 1979-10-02 General Electric Company Method of producing a tubular body of polycrystalline alumina
GB1595518A (en) * 1977-03-11 1981-08-12 Gen Electric Polycrystalline alumina material
FR2550953B1 (fr) * 1977-04-12 1987-02-20 Commissariat Energie Atomique Procede de fabrication de membranes minerales permeables
JPS5527837A (en) * 1978-08-14 1980-02-28 Ngk Insulators Ltd Polycrystal transparent spinel sintered article and its manufacture
DE2942109A1 (de) * 1979-10-18 1981-04-30 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren zum herstellen von formkoerpern und schichten aus anorganischen stoffen
US4285732A (en) * 1980-03-11 1981-08-25 General Electric Company Alumina ceramic
NL185480C (nl) * 1980-08-21 1991-01-16 Philips Nv Hogedruknatriumdampontladingslamp.
JPS58185478A (ja) * 1982-04-26 1983-10-29 東芝セラミツクス株式会社 透光性アルミナ磁器の製造方法
NL8502457A (nl) * 1985-09-09 1987-04-01 Philips Nv Gasdicht gesinterd translucent aluminiumoxyde.
US4769294A (en) * 1986-11-26 1988-09-06 Ceramics Process Systems Corp. Alumina materials for low temperature co-sintering with refractory metallization
DE3811902A1 (de) * 1988-04-09 1989-10-19 Winkelstroeter Dentaurum Verfahren zur herstellung von formkoerpern aus transparentem, polykristallinem aluminiumoxid

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1264914A (fr) * 1968-07-10 1972-02-23

Also Published As

Publication number Publication date
BE797829A (fr) 1973-10-05
CA983058A (en) 1976-02-03
NL7204638A (fr) 1973-10-09
DE2313760B2 (de) 1977-09-29
AU5406373A (en) 1974-10-10
US3846146A (en) 1974-11-05
DE2313760C3 (de) 1978-05-03
SE380004B (fr) 1975-10-27
ZA731869B (en) 1974-11-27
GB1417043A (en) 1975-12-10
AR194310A1 (es) 1973-06-29
BR7302402D0 (pt) 1974-02-07
JPS4930406A (fr) 1974-03-18
JPS5219205B2 (fr) 1977-05-26
DE2313760A1 (de) 1973-10-18
FR2179807A1 (fr) 1973-11-23

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Legal Events

Date Code Title Description
ST Notification of lapse