GB2189507B - Silicon nitride materials - Google Patents

Silicon nitride materials

Info

Publication number
GB2189507B
GB2189507B GB8708788A GB8708788A GB2189507B GB 2189507 B GB2189507 B GB 2189507B GB 8708788 A GB8708788 A GB 8708788A GB 8708788 A GB8708788 A GB 8708788A GB 2189507 B GB2189507 B GB 2189507B
Authority
GB
United Kingdom
Prior art keywords
silicon nitride
nitride materials
materials
silicon
nitride
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
GB8708788A
Other versions
GB2189507A (en
GB8708788D0 (en
Inventor
Professor Richard John Brook
Helen Pickup
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.)
UK Atomic Energy Authority
Original Assignee
UK Atomic Energy Authority
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 UK Atomic Energy Authority filed Critical UK Atomic Energy Authority
Publication of GB8708788D0 publication Critical patent/GB8708788D0/en
Publication of GB2189507A publication Critical patent/GB2189507A/en
Application granted granted Critical
Publication of GB2189507B publication Critical patent/GB2189507B/en
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
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
    • C04B35/584—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride
    • 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
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
    • C04B35/584—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride
    • C04B35/593—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride obtained by pressure sintering
GB8708788A 1986-04-14 1987-04-13 Silicon nitride materials Expired GB2189507B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868609067A GB8609067D0 (en) 1986-04-14 1986-04-14 Silicon nitride materials

Publications (3)

Publication Number Publication Date
GB8708788D0 GB8708788D0 (en) 1987-05-20
GB2189507A GB2189507A (en) 1987-10-28
GB2189507B true GB2189507B (en) 1989-11-22

Family

ID=10596159

Family Applications (2)

Application Number Title Priority Date Filing Date
GB868609067A Pending GB8609067D0 (en) 1986-04-14 1986-04-14 Silicon nitride materials
GB8708788A Expired GB2189507B (en) 1986-04-14 1987-04-13 Silicon nitride materials

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB868609067A Pending GB8609067D0 (en) 1986-04-14 1986-04-14 Silicon nitride materials

Country Status (1)

Country Link
GB (2) GB8609067D0 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1434861A (en) * 1973-01-08 1976-05-05 Champion Spark Plug Co Semi-conductor bodies
GB1489342A (en) * 1973-12-29 1977-10-19 Lucas Ltd Joseph Method of forming a sintered ceramic product
US4134947A (en) * 1975-04-07 1979-01-16 Ngk Insulators, Ltd. Sintered silicon nitride body and a method of producing the same
GB1553284A (en) * 1976-03-31 1979-09-26 Champion Spark Plug Co Semiconductor bodies
EP0124199A1 (en) * 1983-02-26 1984-11-07 Lucas Cookson Syalon Limited Silicon aluminium oxynitride ceramic product and method of production

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1434861A (en) * 1973-01-08 1976-05-05 Champion Spark Plug Co Semi-conductor bodies
GB1489342A (en) * 1973-12-29 1977-10-19 Lucas Ltd Joseph Method of forming a sintered ceramic product
US4134947A (en) * 1975-04-07 1979-01-16 Ngk Insulators, Ltd. Sintered silicon nitride body and a method of producing the same
GB1553284A (en) * 1976-03-31 1979-09-26 Champion Spark Plug Co Semiconductor bodies
EP0124199A1 (en) * 1983-02-26 1984-11-07 Lucas Cookson Syalon Limited Silicon aluminium oxynitride ceramic product and method of production

Also Published As

Publication number Publication date
GB2189507A (en) 1987-10-28
GB8708788D0 (en) 1987-05-20
GB8609067D0 (en) 1986-05-21

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee