发明名称 |
Foam composition roller brush with embedded mandrel |
摘要 |
The invention is directed toward a chemical mechanical polishing/planarizing (CMP) brush with an embedded mandrel. PVA foam injected into the substantially hollow mandrel expands through apertures in the mandrel to fill a mold in the desired shape of the brush with the foam in the mandrel being integral with the outer foam covering the brush.
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申请公布号 |
US7955693(B2) |
申请公布日期 |
2011.06.07 |
申请号 |
US20080071017 |
申请日期 |
2008.02.14 |
申请人 |
TOLLAND DEVELOPMENT COMPANY, LLC |
发明人 |
DRURY THOMAS J. |
分类号 |
B32B3/26;A47K7/02;A47L1/02;B32B3/00;E01C23/20 |
主分类号 |
B32B3/26 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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