JPH0197857U - - Google Patents

Info

Publication number

JPH0197857U

JPH0197857U JP17426787U JP17426787U JPH0197857U JP H0197857 U JPH0197857 U JP H0197857U JP 17426787 U JP17426787 U JP 17426787U JP 17426787 U JP17426787 U JP 17426787U JP H0197857 U JPH0197857 U JP H0197857U

Authority

JP

Japan

Prior art keywords

pores

peripheral surface

outer peripheral

high frequency

diameter

Prior art date

1987-11-14

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.)

Granted

Links

• Espacenet
• Global Dossier
• Discuss

• 239000003082 abrasive agent Substances 0.000 claims description 3
• 239000000463 material Substances 0.000 claims description 2
• 239000011148 porous material Substances 0.000 claims description 2
• 238000010438 heat treatment Methods 0.000 claims 1
• 230000002093 peripheral effect Effects 0.000 claims 1
• 238000005498 polishing Methods 0.000 claims 1
• 238000004519 manufacturing process Methods 0.000 description 2
• 238000010586 diagram Methods 0.000 description 1