JPH02139741U - - Google Patents

Info

Publication number

JPH02139741U

JPH02139741U JP4854989U JP4854989U JPH02139741U JP H02139741 U JPH02139741 U JP H02139741U JP 4854989 U JP4854989 U JP 4854989U JP 4854989 U JP4854989 U JP 4854989U JP H02139741 U JPH02139741 U JP H02139741U

Authority

JP

Japan

Prior art keywords

insulating substrate

edge

heating element

resistive heating

end surface

Prior art date

1989-04-25

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.)

Pending

Links

• Espacenet
• Global Dossier
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• 239000000758 substrate Substances 0.000 claims description 4
• 238000010438 heat treatment Methods 0.000 claims 2
• 230000001154 acute effect Effects 0.000 claims 1
• 238000010586 diagram Methods 0.000 description 2
• PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1