发明名称 |
CMP pad dressers with hybridized abrasive surface and related methods |
摘要 |
A CMP pad conditioner comprises a plurality of abrasive segments. Each abrasive segment includes a segment blank and an abrasive layer attached to the segment blank, the abrasive layer including a superhard abrasive material. A pad conditioner substrate is also provided. Each of the plurality of abrasive segments is permanently affixed to the pad conditioner substrate in an orientation that enables removal of material from a CMP pad by the abrasive layer as the pad conditioner and the CMP pad are moved relative to one another. |
申请公布号 |
US9067301(B2) |
申请公布日期 |
2015.06.30 |
申请号 |
US201313794164 |
申请日期 |
2013.03.11 |
申请人 |
|
发明人 |
Sung Chien-Min |
分类号 |
B24B53/00;B24B53/017;B24D3/00 |
主分类号 |
B24B53/00 |
代理机构 |
Thorpe North & Western, LLP |
代理人 |
Thorpe North & Western, LLP |
主权项 |
1. A CMP pad conditioner, comprising:
a plurality of particle abrasive segments, each particle abrasive segment including:
a particle segment blank; andan abrasive layer attached to the particle segment blank, the abrasive layer including a plurality of superabrasive particles each having a working end with a tip that aligns along a designated profile and varies from the profile by about 1 micron to about 150 microns; and a pad conditioner substrate; each of the particle abrasive segments being permanently affixed to the pad conditioner substrate in an orientation that enables removal of material from a CMP pad by the abrasive layers as the pad conditioner and the CMP pad are moved relative to one another. |
地址 |
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