JPH0438237Y2 - - Google Patents
Info
- Publication number
- JPH0438237Y2 JPH0438237Y2 JP9384187U JP9384187U JPH0438237Y2 JP H0438237 Y2 JPH0438237 Y2 JP H0438237Y2 JP 9384187 U JP9384187 U JP 9384187U JP 9384187 U JP9384187 U JP 9384187U JP H0438237 Y2 JPH0438237 Y2 JP H0438237Y2
- Authority
- JP
- Japan
- Prior art keywords
- sagger
- silicon nitride
- sintered
- mgo
- layer
- 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
Links
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 14
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 14
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 238000005245 sintering Methods 0.000 description 10
- 239000012752 auxiliary agent Substances 0.000 description 6
- 229910020068 MgAl Inorganic materials 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Landscapes
- Ceramic Products (AREA)
- Furnace Charging Or Discharging (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9384187U JPH0438237Y2 (de) | 1987-06-18 | 1987-06-18 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9384187U JPH0438237Y2 (de) | 1987-06-18 | 1987-06-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63201999U JPS63201999U (de) | 1988-12-27 |
JPH0438237Y2 true JPH0438237Y2 (de) | 1992-09-08 |
Family
ID=30956767
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9384187U Expired JPH0438237Y2 (de) | 1987-06-18 | 1987-06-18 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0438237Y2 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006310129A (ja) * | 2005-04-28 | 2006-11-09 | Denso Corp | スパークプラグ製造装置およびスパークプラグの製造方法 |
-
1987
- 1987-06-18 JP JP9384187U patent/JPH0438237Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS63201999U (de) | 1988-12-27 |
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