| 发明名称 |
POLISHING SHEET, POLISHING TOOL AND POLISHING METHOD |
| 摘要 |
A polishing sheet includes a sheet including one side having a surface, a plurality of convex portions provided to project from the surface of the one side of the sheet, a plurality of first abrasive grains provided on an upper surface of each of the convex portions, and a plurality of second abrasive grains provided on the surface of the sheet. The second abrasive grains each have hardness higher than that of the first abrasive grains. |
| 申请公布号 |
US2016221147(A1) |
申请公布日期 |
2016.08.04 |
| 申请号 |
US201615007792 |
申请日期 |
2016.01.27 |
| 申请人 |
SAWADA Kiyotaka;ZHANG Jun;MASUO Hidekazu;KIKUTA Wataru;TANAKA Tatsuya;TAKAHASHI Tomihiro;HASHIYADA Tsuyoshi;HOSHINO Yutaro;KOETSUKA Kyohta |
发明人 |
SAWADA Kiyotaka;ZHANG Jun;MASUO Hidekazu;KIKUTA Wataru;TANAKA Tatsuya;TAKAHASHI Tomihiro;HASHIYADA Tsuyoshi;HOSHINO Yutaro;KOETSUKA Kyohta |
| 分类号 |
B24B37/24 |
主分类号 |
B24B37/24 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A polishing sheet comprising:
a sheet including one side having a surface; a plurality of convex portions provided to project from the surface of the one side of the sheet a plurality of first abrasive grains provided on an upper surface of each of the convex portions; and a plurality of second abrasive grains provided on the surface of the sheet, the second abrasive grains each having hardness higher than that of the first abrasive grains. |
| 地址 |
Kanagawa JP |
