JPH0211304U - - Google Patents

Info

Publication number

JPH0211304U

JPH0211304U JP8928488U JP8928488U JPH0211304U JP H0211304 U JPH0211304 U JP H0211304U JP 8928488 U JP8928488 U JP 8928488U JP 8928488 U JP8928488 U JP 8928488U JP H0211304 U JPH0211304 U JP H0211304U

Authority

JP

Japan

Prior art keywords

sio2

utility

scope

registration request

thermal

Prior art date

1988-07-05

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
• Discuss

• 229910052681 coesite Inorganic materials 0.000 claims description 2
• 229910052906 cristobalite Inorganic materials 0.000 claims description 2
• 239000000377 silicon dioxide Substances 0.000 claims description 2
• VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
• 235000012239 silicon dioxide Nutrition 0.000 claims description 2
• 229910052682 stishovite Inorganic materials 0.000 claims description 2
• 229910052905 tridymite Inorganic materials 0.000 claims description 2
• 238000010438 heat treatment Methods 0.000 claims 1
• 239000000463 material Substances 0.000 claims 1
• 239000000919 ceramic Substances 0.000 description 1
• 238000010586 diagram Methods 0.000 description 1
• 230000001681 protective effect Effects 0.000 description 1