发明授权
US5759669A Apparatus and method for screening green sheet with via hole using
porous backing material
失效
使用多孔背衬材料筛选具有通孔的生片的装置和方法
- 专利标题： Apparatus and method for screening green sheet with via hole using porous backing material
- 专利标题（中）： 使用多孔背衬材料筛选具有通孔的生片的装置和方法
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申请号： US577179申请日： 1995-12-22
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公开(公告)号： US5759669A公开(公告)日： 1998-06-02
- 发明人: Jon Alfred Casey , Cynthia Jeane Calli , Darren T. Cook , David B. Goland , John Ulrich Knickerbocker , Mark Joseph LaPlante , David Clifford Long , Daniel Scott Mackin , Kathleen Mary McGuire , Keith Colin O'Neil , Kevin Michael Prettyman , Michael Thomas Puchalski , Joseph Christopher Saltarelli , Candace Anne Sullivan
- 申请人： Jon Alfred Casey , Cynthia Jeane Calli , Darren T. Cook , David B. Goland , John Ulrich Knickerbocker , Mark Joseph LaPlante , David Clifford Long , Daniel Scott Mackin , Kathleen Mary McGuire , Keith Colin O'Neil , Kevin Michael Prettyman , Michael Thomas Puchalski , Joseph Christopher Saltarelli , Candace Anne Sullivan
- 申请人地址： NY Armonk
- 专利权人： International Business Machines Corporation
- 当前专利权人： International Business Machines Corporation
- 当前专利权人地址： NY Armonk
- 主分类号： B32B3/08
- IPC分类号： B32B3/08 ; B32B3/26 ; B32B15/02 ; H05K1/03 ; H05K3/40 ; B29C37/00 ; B32B3/24
摘要：
The present invention relates generally to a new apparatus and method for screening using porous backing material. More particularly, the invention encompasses an apparatus that uses a porous backing material which is adhered to a green sheet during the screening process. Basically, a backing layer having a very high porosity is adhered to a green sheet, while the green sheet is screened. During the drying process of the green sheet some of the screening fluids are absorbed by the porous backing layer, which allows the screened vias of the green sheet to have a smooth surface.
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