GB1204271A - Improvements relating to ceramic bodies - Google Patents

Improvements relating to ceramic bodies

Info

Publication number
GB1204271A
GB1204271A GB324968A GB324968A GB1204271A GB 1204271 A GB1204271 A GB 1204271A GB 324968 A GB324968 A GB 324968A GB 324968 A GB324968 A GB 324968A GB 1204271 A GB1204271 A GB 1204271A
Authority
GB
United Kingdom
Prior art keywords
cao
powder
improvements relating
ceramic bodies
jan
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
Application number
GB324968A
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries 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.)
Filing date
Publication date
Application filed by Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1204271A publication Critical patent/GB1204271A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
    • C03C10/0054—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing PbO, SnO2, B2O3

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Ceramic Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Inorganic Insulating Materials (AREA)

Abstract

1,204,271. Ceramics. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. 22 Jan., 1968 [25 Jan., 1967], No. 3249/68. Heading ClJ. A ceramic body is made by moulding and then sintering a powder mixture consisting of either (a) a mixture of Al 2 O 3 with a fused, cooled powder of CaO and B 2 O 3 , or (b) a fused, cooled powder of Al 2 O 3 , CaO and B 2 O 3 , the powder mixture being within a quadrilateral ABCD, the points ABCD corresponding in mole per cent to the compositions: Al 2 O 3 CaO B 2 O 3 A .. .. 45 22 33 B .. ..45 41 14 C .. .. .. 27 54 19 D .. .. .. 27 29 44
GB324968A 1967-01-25 1968-01-22 Improvements relating to ceramic bodies Expired GB1204271A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6701134A NL6701134A (en) 1967-01-25 1967-01-25

Publications (1)

Publication Number Publication Date
GB1204271A true GB1204271A (en) 1970-09-03

Family

ID=19799108

Family Applications (1)

Application Number Title Priority Date Filing Date
GB324968A Expired GB1204271A (en) 1967-01-25 1968-01-22 Improvements relating to ceramic bodies

Country Status (5)

Country Link
DE (1) DE1646821A1 (en)
FR (1) FR1555929A (en)
GB (1) GB1204271A (en)
NL (1) NL6701134A (en)
SE (1) SE315838B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5482903A (en) * 1993-12-22 1996-01-09 International Business Machines Corporation Aluminum nitride body utilizing a vitreous sintering additive

Also Published As

Publication number Publication date
SE315838B (en) 1969-10-06
NL6701134A (en) 1968-07-26
FR1555929A (en) 1969-01-31
DE1646821A1 (en) 1971-09-30

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees