JPS62175412U - - Google Patents

Info

Publication number

JPS62175412U

JPS62175412U JP6142286U JP6142286U JPS62175412U JP S62175412 U JPS62175412 U JP S62175412U JP 6142286 U JP6142286 U JP 6142286U JP 6142286 U JP6142286 U JP 6142286U JP S62175412 U JPS62175412 U JP S62175412U

Authority

JP

Japan

Prior art keywords

layer

protective layer

magnetic

utility

scope

Prior art date

1986-04-23

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

• 239000010410 layer Substances 0.000 claims description 4
• 239000011241 protective layer Substances 0.000 claims description 3
• 230000001050 lubricating effect Effects 0.000 claims description 2
• TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 claims 1