JPS63178365U - - Google Patents

Info

Publication number

JPS63178365U

JPS63178365U JP1987069125U JP6912587U JPS63178365U JP S63178365 U JPS63178365 U JP S63178365U JP 1987069125 U JP1987069125 U JP 1987069125U JP 6912587 U JP6912587 U JP 6912587U JP S63178365 U JPS63178365 U JP S63178365U

Authority

JP

Japan

Prior art keywords

magnetostrictive

protective layer

material layer

corrosion

utility

Prior art date

1987-05-09

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

• 239000000463 material Substances 0.000 claims description 5
• 239000010410 layer Substances 0.000 claims description 4
• 239000011241 protective layer Substances 0.000 claims description 4
• 230000007797 corrosion Effects 0.000 claims 1
• 238000005260 corrosion Methods 0.000 claims 1
• 238000010586 diagram Methods 0.000 description 2
• 238000009792 diffusion process Methods 0.000 description 2