JPH01110258U - - Google Patents

Info

Publication number

JPH01110258U

JPH01110258U JP629988U JP629988U JPH01110258U JP H01110258 U JPH01110258 U JP H01110258U JP 629988 U JP629988 U JP 629988U JP 629988 U JP629988 U JP 629988U JP H01110258 U JPH01110258 U JP H01110258U

Authority

JP

Japan

Prior art keywords

glass disk

bottom groove

disk

circular opening

pallet

Prior art date

1988-01-21

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

• 239000011521 glass Substances 0.000 claims description 7
• 239000010409 thin film Substances 0.000 claims description 2
• 229910010293 ceramic material Inorganic materials 0.000 claims 1
• 239000000919 ceramic Substances 0.000 description 1
• 239000000463 material Substances 0.000 description 1
• 239000007769 metal material Substances 0.000 description 1
• 230000002093 peripheral effect Effects 0.000 description 1